| ☒ | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | ||||
| ☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | ||||

| Ohio | 65-0190407 | |||||||
| (State of incorporation) | (I.R.S. Employer Identification No.) | |||||||
| Title of each class | Trading Symbol | Name of each exchange on which registered | ||||||||||||
| Common shares, no par value | DHIL | The Nasdaq Stock Market | ||||||||||||
| Large accelerated filer | ☐ | Accelerated filer | ☒ | |||||||||||||||||
| Non-accelerated filer | ☐ | Smaller reporting company | ☐ | |||||||||||||||||
| Emerging growth company | ☐ | |||||||||||||||||||
| Required Information | Page | ||||
| Item 1. | Business | ||||
| Assets Under Management and Assets Under Advisement As of December 31, | |||||||||||||||||
| (in millions) | 2024 | 2023 | 2022 | ||||||||||||||
| Proprietary Funds | $ | 18,097 | $ | 15,879 | $ | 14,745 | |||||||||||
| Separately managed accounts | 6,108 | 6,617 | 6,220 | ||||||||||||||
| Collective investment trusts | 1,947 | 1,359 | 1,040 | ||||||||||||||
| Other pooled vehicles | 3,860 | 3,563 | 2,758 | ||||||||||||||
| Total AUM | 30,012 | 27,418 | 24,763 | ||||||||||||||
| Total AUA | 1,913 | 1,746 | 1,802 | ||||||||||||||
| Total AUM and AUA | $ | 31,925 | $ | 29,164 | $ | 26,565 | |||||||||||
| Assets Under Management by Investment Strategy As of December 31, | |||||||||||||||||
| (in millions) | 2024 | 2023 | 2022 | ||||||||||||||
| U.S. Equity | |||||||||||||||||
| Large Cap | $ | 17,702 | $ | 17,307 | $ | 16,478 | |||||||||||
| Small-Mid Cap | 2,009 | 2,588 | 2,646 | ||||||||||||||
| Mid Cap | 1,082 | 1,023 | 899 | ||||||||||||||
| Select | 755 | 593 | 392 | ||||||||||||||
| Small Cap | 253 | 255 | 306 | ||||||||||||||
| Large Cap Concentrated | 129 | 98 | 99 | ||||||||||||||
| Micro Cap | 33 | 21 | 15 | ||||||||||||||
| Total U.S. Equity | 21,963 | 21,885 | 20,835 | ||||||||||||||
| Alternatives | |||||||||||||||||
| Long-Short | 1,684 | 1,725 | 1,752 | ||||||||||||||
| Total Alternatives | 1,684 | 1,725 | 1,752 | ||||||||||||||
| International Equity | |||||||||||||||||
| International | 141 | 109 | 52 | ||||||||||||||
| Total International Equity | 141 | 109 | 52 | ||||||||||||||
| Fixed Income | |||||||||||||||||
| Short Duration Securitized Bond | 3,732 | 1,948 | 1,308 | ||||||||||||||
| Core Fixed Income | 2,416 | 1,735 | 792 | ||||||||||||||
| Securitized Credit | 52 | — | — | ||||||||||||||
| Long Duration Treasury | 24 | 26 | 33 | ||||||||||||||
| Total Fixed Income | 6,224 | 3,709 | 2,133 | ||||||||||||||
| Total-All Strategies | 30,012 | 27,428 | 24,772 | ||||||||||||||
(Less: Investments in affiliated funds)(a) | — | (10) | (9) | ||||||||||||||
| Total AUM | 30,012 | 27,418 | 24,763 | ||||||||||||||
Total AUA(b) | 1,913 | 1,746 | 1,802 | ||||||||||||||
| Total AUM and AUA | $ | 31,925 | $ | 29,164 | $ | 26,565 | |||||||||||
| Change in Assets Under Management For the Year Ended December 31, | |||||||||||||||||
| (in millions) | 2024 | 2023 | 2022 | ||||||||||||||
| AUM at beginning of the year | $ | 27,418 | $ | 24,763 | $ | 31,028 | |||||||||||
Net cash inflows (outflows) | |||||||||||||||||
| Proprietary Funds | 726 | (599) | (2,433) | ||||||||||||||
| Separately managed accounts | (1,269) | (416) | (73) | ||||||||||||||
| Collective investment trusts | 403 | 153 | 486 | ||||||||||||||
| Other pooled vehicles | (149) | 368 | (221) | ||||||||||||||
| (289) | (494) | (2,241) | |||||||||||||||
| Net market appreciation/(depreciation) and income | 2,883 | 3,149 | (4,024) | ||||||||||||||
| Increase (decrease) during the year | 2,594 | 2,655 | (6,265) | ||||||||||||||
| AUM at end of the year | 30,012 | 27,418 | 24,763 | ||||||||||||||
| AUA at end of year | 1,913 | 1,746 | 1,802 | ||||||||||||||
| Total AUM and AUA at end of year | $ | 31,925 | $ | 29,164 | $ | 26,565 | |||||||||||
| ITEM 1A. | Risk Factors | ||||
| ITEM 1B. | Unresolved Staff Comments | ||||
| ITEM 1C. | Cybersecurity | ||||
| ITEM 2. | Properties | ||||
| ITEM 3. | Legal Proceedings | ||||
| ITEM 4. | Mine Safety Disclosures | ||||
| ITEM 5. | Market for Registrant’s Common Equity, Related Shareholder Matters and Issuer Purchases of Equity Securities | ||||

| 12/31/2019 | 12/31/2020 | 12/31/2021 | 12/31/2022 | 12/31/2023 | 12/31/2024 | Cumulative 5 Year Total Return | ||||||||||||||||||||||||||||||||
| Diamond Hill Investment Group, Inc. | $100 | $115 | $167 | $168 | $156 | $151 | 51 | % | ||||||||||||||||||||||||||||||
| Russell 2000 Index | $100 | $120 | $138 | $110 | $128 | $143 | 43 | % | ||||||||||||||||||||||||||||||
Russell 2000 Asset Managers & Custodians Index(a) | $100 | $134 | $170 | $132 | $182 | $239 | 139 | % | ||||||||||||||||||||||||||||||
| 2020 | 2021 | 2022 | 2023 | 2024 | ||||||||||
| Arlington Asset Investment Corp. | Arlington Asset Investment Corp. | Associated Capital Group, Inc. | Associated Capital Group, Inc. | AlTi Global, Inc. | ||||||||||
| Associated Capital Group, Inc. | Associated Capital Group, Inc. | AssetMark Financial Holdings, Inc. | AlTi Global, Inc. | AssetMark Financial Holdings, Inc. | ||||||||||
| AssetMark Financial Holdings, Inc. | AssetMark Financial Holdings, Inc. | Artisan Partners Asset Management, Inc. | AssetMark Financial Holdings, Inc. | Artisan Partners Asset Management, Inc. | ||||||||||
| Artisan Partners Asset Management, Inc. | Artisan Partners Asset Management, Inc. | Blucora, Inc. | Artisan Partners Asset Management, Inc. | BrightSphere Investment Group Inc | ||||||||||
| Ares Management Corporation | Blucora, Inc. | Brookfield Business Corp. | Avantax, Inc. | Brookfield Business Corp. | ||||||||||
| BrightSphere Investment Group, Inc. | BrightSphere Investment Group, Inc. | BrightSphere Investment Group, Inc. | Brookfield Business Corp. | Burford Capital Limited | ||||||||||
| Cohen & Steers, Inc. | Cohen & Steers, Inc. | Cohen & Steers, Inc. | BrightSphere Investment Group, Inc. | Cohen & Steers, Inc. | ||||||||||
| Cowen Inc | Cowen Inc | Diamond Hill Investment Group, Inc. | Cohen & Steers, Inc. | Diamond Hill Investment Group, Inc. | ||||||||||
| Diamond Hill Investment Group, Inc. | Diamond Hill Investment Group, Inc. | Federated Hermes, Inc. | Diamond Hill Investment Group, Inc. | GCM Grosvenor, Inc. | ||||||||||
| Federated Hermes, Inc. | Federated Hermes, Inc. | Focus Financial Partners, Inc. | Federated Hermes, Inc. | Hamilton Lane Incorporated | ||||||||||
| Focus Financial Partners, Inc. | Focus Financial Partners, Inc. | GAMCO Investors, Inc. | Focus Financial Partners, Inc. | Patria Investments Ltd. | ||||||||||
| GAMCO Investors, Inc. | GAMCO Investors, Inc. | GCM Grosvenor, Inc. | GCM Grosvenor, Inc. | PJT Partners, Inc. | ||||||||||
| Greenhill & Co., Inc. | GCM Grosvenor, Inc. | Greenhill & Co., Inc. | Hamilton Lane Incorporated | Perella Weinberg Partners | ||||||||||
| Hamilton Lane Incorporated | Greenhill & Co., Inc. | Hamilton Lane Incorporated | Oppenheimer Holdings Inc. | P10, Inc. | ||||||||||
| Morgan Group Holding Co. | Hamilton Lane Incorporated | Manning & Napier, Inc. | Patria Investments Ltd. | Silvercrest Asset Management Group Inc. | ||||||||||
| Oppenheimer Holdings Inc. | MMA Capital Holdings, Inc. | Oppenheimer Holdings Inc. | PJT Partners, Inc. | StepStone Group, Inc. | ||||||||||
| PJT Partners, Inc. | Oppenheimer Holdings Inc. | PJT Partners, Inc. | Perella Weinberg Partners | Victory Capital Holdings, Inc. | ||||||||||
| Pzena Investment Management, Inc. | PJT Partners, Inc. | Perella Weinberg Partners | P10, Inc. | Virtus Investment Partners, Inc. | ||||||||||
| Silvercrest Asset Management Group Inc. | Pzena Investment Management, Inc. | Pzena Investment Management, Inc. | Silvercrest Asset Management Group Inc. | WisdomTree, Inc. | ||||||||||
| Sculptor Capital Management, Inc. | Silvercrest Asset Management Group Inc. | Silvercrest Asset Management Group Inc. | Sculptor Capital Management, Inc. | |||||||||||
| StepStone Group, Inc. | Sculptor Capital Management, Inc. | Sculptor Capital Management, Inc. | StepStone Group, Inc. | |||||||||||
| Virtus Investment Partners, Inc. | StepStone Group, Inc. | StepStone Group, Inc. | Victory Capital Holdings, Inc. | |||||||||||
| Waddell & Reed Financial, Inc. | Virtus Investment Partners, Inc. | Victory Capital Holdings, Inc. | Virtus Investment Partners, Inc. | |||||||||||
| Westwood Holdings Group, Inc. | Waddell & Reed Financial, Inc. | Virtus Investment Partners, Inc. | WisdomTree, Inc. | |||||||||||
| WisdomTree Investments, Inc. | Westwood Holdings Group, Inc. | WisdomTree, Inc. | ||||||||||||
| WisdomTree Investments, Inc. | ||||||||||||||
| 2024 | 2023 | ||||||||||||||||||||||||||||||||||
| High Price | Low Price | Quarterly Dividend Per Share | High Price | Low Price | Quarterly Dividend Per Share | ||||||||||||||||||||||||||||||
| Quarter ended: | |||||||||||||||||||||||||||||||||||
| March 31 | $ | 166.53 | $ | 144.68 | $ | 1.50 | $ | 191.47 | $ | 158.38 | $ | 1.50 | |||||||||||||||||||||||
| June 30 | $ | 159.18 | $ | 138.79 | $ | 1.50 | $ | 178.18 | $ | 156.32 | $ | 1.50 | |||||||||||||||||||||||
| September 30 | $ | 163.24 | $ | 139.35 | $ | 1.50 | $ | 187.24 | $ | 161.40 | $ | 1.50 | |||||||||||||||||||||||
| December 31 | $ | 171.89 | $ | 150.15 | $ | 1.50 | $ | 171.99 | $ | 147.81 | $ | 1.50 | |||||||||||||||||||||||
| Period | Total Number of Shares Purchased(a) | Average Price Paid Per Share | Total Number of Shares Purchased as part of Publicly Announced Programs(b) | Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs(b) | |||||||||||||||||||
| October 1, 2024 through October 31, 2024 | 10,475 | 161.61 | — | $ | 4,739,260 | ||||||||||||||||||
| November 1, 2024 through November 30, 2024 | 22,556 | $ | 168.33 | 22,556 | 46,203,126 | ||||||||||||||||||
| December 1, 2024 through December 31, 2024 | 30,243 | $ | 156.95 | 30,243 | 41,456,564 | ||||||||||||||||||
| Total | 63,274 | 52,799 | $ | 41,456,564 | |||||||||||||||||||
| ITEM 6. | [Reserved] | ||||
| ITEM 7. | |||||
| 2024 | ||||||||
| Russell 1000 Index | 24.51% | |||||||
| Russell 2000 Index | 11.54% | |||||||
| Russell 3000 Index | 23.81% | |||||||
| MSCI ACWI ex USA Index | 5.53% | |||||||
| Bloomberg Barclays U.S. Aggregate Index | 1.25% | |||||||
| Bloomberg Barclays U.S. 1-3 Yr. Gov./Credit Index | 4.36% | |||||||
| 1 Year | 3 Year | 5 Year | 10 Year | Inception | ||||||||||||||||
| % Funds Outperform | Morningstar Category Average | 50.00 | % | 60.00 | % | 66.67 | % | 50.00 | % | 80.00 | % | |||||||||
| % Assets Outperform | Morningstar Category Average | 34.92 | % | 44.86 | % | 44.95 | % | 87.90 | % | 99.00 | % | |||||||||
| % Composites Outperform | Performance Benchmark | 46.15 | % | 53.85 | % | 40.00 | % | — | % | 69.23 | % | |||||||||
| % Assets Outperform | Performance Benchmark | 23.74 | % | 24.27 | % | 23.34 | % | — | % | 81.86 | % | |||||||||
| % Composites Outperform | Supplemental Benchmark | 14.29 | % | 28.57 | % | 57.14 | % | 57.14 | % | 85.71 | % | |||||||||
| % Assets Outperform | Supplemental Benchmark | 1.19 | % | 4.23 | % | 76.67 | % | 76.67 | % | 94.67 | % | |||||||||
| As of December 31, 2024 | |||||||||||||||||||||||||||||||||||
| U.S. Equity Composites | Inception | 1 Year | 3 Year | 5 Year | 10 Year | Since Inception | |||||||||||||||||||||||||||||
| Diamond Hill Large Cap | 6/30/2001 | 12.06 | % | 3.35 | % | 8.70 | % | 9.54 | % | 9.13 | % | ||||||||||||||||||||||||
| Russell 1000 Index | 24.51 | % | 8.41 | % | 14.28 | % | 12.87 | % | 9.08 | % | |||||||||||||||||||||||||
| Russell 1000 Value Index | 14.37 | % | 5.63 | % | 8.68 | % | 8.49 | % | 7.60 | % | |||||||||||||||||||||||||
| Diamond Hill Large Cap Concentrated | 12/31/2011 | 14.28 | % | 5.01 | % | 10.00 | % | 10.40 | % | 12.17 | % | ||||||||||||||||||||||||
| Russell 1000 Index | 24.51 | % | 8.41 | % | 14.28 | % | 12.87 | % | 14.61 | % | |||||||||||||||||||||||||
| Russell 1000 Value Index | 14.37 | % | 5.63 | % | 8.68 | % | 8.49 | % | 11.23 | % | |||||||||||||||||||||||||
| Diamond Hill Mid Cap | 12/31/2013 | 10.61 | % | 1.83 | % | 6.42 | % | 7.38 | % | 7.43 | % | ||||||||||||||||||||||||
| Russell Midcap Index | 15.34 | % | 3.79 | % | 9.92 | % | 9.63 | % | 9.95 | % | |||||||||||||||||||||||||
| Russell Midcap Value Index | 13.07 | % | 3.88 | % | 8.59 | % | 8.10 | % | 8.69 | % | |||||||||||||||||||||||||
| Diamond Hill Small-Mid Cap | 12/31/2005 | 8.31 | % | 1.45 | % | 6.80 | % | 7.30 | % | 8.32 | % | ||||||||||||||||||||||||
| Russell 2500 Index | 12.00 | % | 2.39 | % | 8.77 | % | 8.85 | % | 8.82 | % | |||||||||||||||||||||||||
| Russell 2500 Value Index | 10.98 | % | 3.81 | % | 8.44 | % | 7.81 | % | 7.86 | % | |||||||||||||||||||||||||
| Diamond Hill Small Cap | 12/31/2000 | 13.29 | % | 6.04 | % | 9.63 | % | 7.25 | % | 10.04 | % | ||||||||||||||||||||||||
| Russell 2000 Index | 11.54 | % | 1.24 | % | 7.40 | % | 7.82 | % | 8.02 | % | |||||||||||||||||||||||||
| Russell 2000 Value Index | 8.05 | % | 1.94 | % | 7.29 | % | 7.14 | % | 8.44 | % | |||||||||||||||||||||||||
| Diamond Hill Select | 6/30/2000 | 13.14 | % | 6.98 | % | 13.38 | % | 10.91 | % | 10.62 | % | ||||||||||||||||||||||||
| Russell 3000 Index | 23.81 | % | 8.01 | % | 13.86 | % | 12.55 | % | 7.97 | % | |||||||||||||||||||||||||
| Russell 3000 Value Index | 13.98 | % | 5.41 | % | 8.60 | % | 8.40 | % | 7.80 | % | |||||||||||||||||||||||||
| Diamond Hill Micro Cap | 9/30/2021 | 23.63 | % | 12.14 | % | N/A | N/A | 14.75 | % | ||||||||||||||||||||||||||
| Russell Micro Cap Index | 13.70 | % | (1.00) | % | N/A | N/A | (1.74) | % | |||||||||||||||||||||||||||
| Alternative Composites | |||||||||||||||||||||||||||||||||||
| Diamond Hill Long-Short | 6/30/2000 | 10.97 | % | 4.98 | % | 6.90 | % | 6.66 | % | 7.36 | % | ||||||||||||||||||||||||
| 60% Russell 1000 Index / 40% BofA ML U.S. T-Bill 0-3 Month Index | 16.63 | % | 7.00 | % | 9.87 | % | 8.61 | % | 5.77 | % | |||||||||||||||||||||||||
| International Composites | |||||||||||||||||||||||||||||||||||
| Diamond Hill International | 12/31/2016 | 4.03 | % | 2.14 | % | 5.14 | % | N/A | 8.18 | % | |||||||||||||||||||||||||
| MSCI ACWI ex USA Index | 5.53 | % | 0.82 | % | 4.10 | % | N/A | 6.23 | % | ||||||||||||||||||||||||||
| Fixed Income Composites | |||||||||||||||||||||||||||||||||||
| Diamond Hill Short Duration Securitized Bond | 7/31/2016 | 9.40 | % | 4.85 | % | 4.11 | % | N/A | 4.01 | % | |||||||||||||||||||||||||
| Bloomberg Barclays U.S. 1-3 Yr. Gov./Credit Index | 4.36 | % | 1.69 | % | 1.58 | % | N/A | 1.65 | % | ||||||||||||||||||||||||||
| Diamond Hill Core Bond | 7/31/2016 | 3.58 | % | (0.81) | % | 0.89 | % | N/A | 1.89 | % | |||||||||||||||||||||||||
| Bloomberg Barclays U.S. Aggregate Index | 1.25 | % | (2.41) | % | (0.33) | % | N/A | 0.84 | % | ||||||||||||||||||||||||||
| Diamond Hill Securitized Credit Composite | 10/31/2024 | N/A | N/A | N/A | N/A | 2.33 | % | ||||||||||||||||||||||||||||
| - | Composite returns are net of fees. | ||||
| - | Index returns do not reflect any fees. | ||||
| For the Years Ended December 31, | |||||||||||||||||
| 2024 | 2023 | 2022 | |||||||||||||||
| Ending AUM and AUA (in millions) | $ | 31,925 | $ | 29,164 | $ | 26,565 | |||||||||||
Average AUM and AUA (in millions) | 31,610 | 27,321 | 29,551 | ||||||||||||||
| Net cash outflows (in millions) | (289) | (494) | (2,241) | ||||||||||||||
| Total revenue (in thousands) | 151,095 | 136,716 | 154,496 | ||||||||||||||
| Net operating income | 43,892 | 35,504 | 64,331 | ||||||||||||||
Adjusted net operating income(a) | $ | 48,696 | $ | 41,434 | $ | 60,352 | |||||||||||
| Average advisory fee rate | 0.45 | % | 0.47 | % | 0.49 | % | |||||||||||
Net operating profit margin | 29 | % | 26 | % | 42 | % | |||||||||||
Adjusted net operating profit margin(a) | 32 | % | 30 | % | 39 | % | |||||||||||
| Assets Under Management and Assets Under Advisement As of December 31, | |||||||||||||||||
| (in millions) | 2024 | 2023 | 2022 | ||||||||||||||
| Proprietary Funds | $ | 18,097 | $ | 15,879 | $ | 14,745 | |||||||||||
| Separately managed accounts | 6,108 | 6,617 | 6,220 | ||||||||||||||
| Collective investment trusts | 1,947 | 1,359 | 1,040 | ||||||||||||||
| Other pooled vehicles | 3,860 | 3,563 | 2,758 | ||||||||||||||
| Total AUM | 30,012 | 27,418 | 24,763 | ||||||||||||||
| Total AUA | 1,913 | 1,746 | 1,802 | ||||||||||||||
| Total AUM and AUA | $ | 31,925 | $ | 29,164 | $ | 26,565 | |||||||||||
| Assets Under Management by Investment Strategy As of December 31, | |||||||||||||||||
| (in millions) | 2024 | 2023 | 2022 | ||||||||||||||
| U.S. Equity | |||||||||||||||||
| Large Cap | $ | 17,702 | $ | 17,307 | $ | 16,478 | |||||||||||
| Small-Mid Cap | 2,009 | 2,588 | 2,646 | ||||||||||||||
| Mid Cap | 1,082 | 1,023 | 899 | ||||||||||||||
| Select | 755 | 593 | 392 | ||||||||||||||
| Small Cap | 253 | 255 | 306 | ||||||||||||||
| Large Cap Concentrated | 129 | 98 | 99 | ||||||||||||||
| Micro Cap | 33 | 21 | 15 | ||||||||||||||
| Total U.S. Equity | 21,963 | 21,885 | 20,835 | ||||||||||||||
| Alternatives | |||||||||||||||||
| Long-Short | 1,684 | 1,725 | 1,752 | ||||||||||||||
| Total Alternatives | 1,684 | 1,725 | 1,752 | ||||||||||||||
International Equity | |||||||||||||||||
| International | 141 | 109 | 52 | ||||||||||||||
Total International Equity | 141 | 109 | 52 | ||||||||||||||
| Fixed Income | |||||||||||||||||
| Short Duration Securitized Bond | 3,732 | 1,948 | 1,308 | ||||||||||||||
| Core Fixed Income | 2,416 | 1,735 | 792 | ||||||||||||||
| Securitized Credit | 52 | — | — | ||||||||||||||
| Long Duration Treasury | 24 | 26 | 33 | ||||||||||||||
| Total Fixed Income | 6,224 | 3,709 | 2,133 | ||||||||||||||
| Total-All Strategies | 30,012 | 27,428 | 24,772 | ||||||||||||||
(Less: Investments in affiliated funds)(a) | — | (10) | (9) | ||||||||||||||
| Total AUM | 30,012 | 27,418 | 24,763 | ||||||||||||||
Total AUA(b) | 1,913 | 1,746 | 1,802 | ||||||||||||||
| Total AUM and AUA | $ | 31,925 | $ | 29,164 | $ | 26,565 | |||||||||||
| Change in Assets Under Management For the Year Ended December 31, | |||||||||||||||||
| (in millions) | 2024 | 2023 | 2022 | ||||||||||||||
| AUM at beginning of the year | $ | 27,418 | $ | 24,763 | $ | 31,028 | |||||||||||
Net cash inflows (outflows) | |||||||||||||||||
| Proprietary Funds | 726 | (599) | (2,433) | ||||||||||||||
| Separately managed accounts | (1,269) | (416) | (73) | ||||||||||||||
| Collective investment trusts | 403 | 153 | 486 | ||||||||||||||
| Other pooled vehicles | (149) | 368 | (221) | ||||||||||||||
| (289) | (494) | (2,241) | |||||||||||||||
| Net market appreciation (depreciation) and income | 2,883 | 3,149 | (4,024) | ||||||||||||||
| Increase (decrease) during the year | 2,594 | 2,655 | (6,265) | ||||||||||||||
| AUM at end of the year | 30,012 | 27,418 | 24,763 | ||||||||||||||
| AUA at end of the year | 1,913 | 1,746 | 1,802 | ||||||||||||||
| Total AUM and AUA at end of year | $ | 31,925 | $ | 29,164 | $ | 26,565 | |||||||||||
| Average AUM during the year | $ | 29,718 | $ | 25,552 | $ | 27,599 | |||||||||||
| Average AUA during the year | 1,892 | 1,769 | 1,952 | ||||||||||||||
| Total Average AUM and AUA during the year | $ | 31,610 | $ | 27,321 | $ | 29,551 | |||||||||||
| Net Cash Outflows Further Breakdown For the Year Ended December 31, | |||||||||||||||||
| (in millions) | 2024 | 2023 | 2022 | ||||||||||||||
| Net cash inflows (outflows) | |||||||||||||||||
| Equity | $ | (2,544) | $ | (1,865) | $ | (2,247) | |||||||||||
| Fixed Income | 2,255 | 1,371 | 6 | ||||||||||||||
| $ | (289) | $ | (494) | $ | (2,241) | ||||||||||||
| (in thousands, except per share amounts and percentages) | 2024 | 2023 | % Change | 2023 | 2022 | % Change | |||||||||||||||||||||||||||||
| Total revenue | $ | 151,095 | $ | 136,716 | 11% | $ | 136,716 | $ | 154,496 | (12)% | |||||||||||||||||||||||||
| Net operating income | 43,892 | 35,504 | 24% | 35,504 | 64,331 | (45)% | |||||||||||||||||||||||||||||
Adjusted net operating income (a) | 48,696 | 41,434 | 18% | 41,434 | 60,352 | (31)% | |||||||||||||||||||||||||||||
| Investment income (loss), net | 15,119 | 23,071 | (34)% | 23,071 | (20,187) | NM | |||||||||||||||||||||||||||||
Gain on sale of High Yield-Focused Advisory Contracts(b) | — | — | NM | — | 6,814 | (100)% | |||||||||||||||||||||||||||||
| Income tax expense | 15,833 | 15,490 | 2% | 15,490 | 14,088 | 10% | |||||||||||||||||||||||||||||
| Net income attributable to common shareholders | 43,178 | 42,226 | 2% | 42,226 | 40,434 | 4% | |||||||||||||||||||||||||||||
| Earnings per share attributable to common shareholders (diluted) | $ | 15.66 | $ | 14.32 | 9% | $ | 14.32 | $ | 13.01 | 10% | |||||||||||||||||||||||||
Adjusted earnings per share attributable to common shareholders (diluted)(a) | $ | 12.92 | $ | 10.28 | 26% | $ | 10.28 | $ | 14.40 | (29)% | |||||||||||||||||||||||||
Net operating profit margin | 29 | % | 26 | % | NM | 26 | % | 42 | % | NM | |||||||||||||||||||||||||
Adjusted net operating profit margin (a) | 32 | % | 30 | % | NM | 30 | % | 39 | % | NM | |||||||||||||||||||||||||
| (in thousands, except percentages) | 2024 | 2023 | % Change | 2023 | 2022 | % Change | |||||||||||||||||||||||||||||
| Investment advisory | $ | 143,342 | $ | 129,180 | 11% | $ | 129,180 | $ | 144,326 | (10)% | |||||||||||||||||||||||||
Fund administration, net | 7,753 | 7,536 | 3% | 7,536 | 10,170 | (26)% | |||||||||||||||||||||||||||||
| Total | $ | 151,095 | $ | 136,716 | 11% | $ | 136,716 | $ | 154,496 | (12)% | |||||||||||||||||||||||||
| (in thousands, except percentages) | 2024 | 2023 | % Change | 2023 | 2022 | % Change | |||||||||||||||||||||||||||||
| Compensation and related costs, excluding deferred compensation expense (benefit) | $ | 74,589 | $ | 70,731 | 5% | $ | 70,731 | $ | 70,505 | —% | |||||||||||||||||||||||||
| Deferred compensation expense (benefit) | 4,776 | 5,600 | (15)% | 5,600 | (4,402) | NM | |||||||||||||||||||||||||||||
| General and administrative | 16,785 | 14,935 | 12% | 14,935 | 13,607 | 10% | |||||||||||||||||||||||||||||
| Sales and marketing | 7,510 | 6,684 | 12% | 6,684 | 7,160 | (7)% | |||||||||||||||||||||||||||||
Fund administration | 3,543 | 3,262 | 9% | 3,262 | 3,295 | (1)% | |||||||||||||||||||||||||||||
| Total | $ | 107,203 | $ | 101,212 | 6% | $ | 101,212 | $ | 90,165 | 12% | |||||||||||||||||||||||||
| Year | Total Number of Shares Purchased | Average Price Paid Per Share Purchased | Purchase Price of Shares Purchased | ||||||||||||||
| 2024 | 195,224 | $ | 154.92 | $ | 30,244,638 | ||||||||||||
| 2023 | 212,638 | 162.81 | 34,619,944 | ||||||||||||||
| 2022 | 217,009 | 178.45 | 38,726,007 | ||||||||||||||
| Total | 624,871 | $ | 165.78 | $ | 103,590,589 | ||||||||||||
| Year | Regular Dividend Per Share | Regular Dividend Total | Special Dividend Per Share | Special Dividend Total | Total Dividend Per Share | Total Dividends | ||||||||||||||||||||||||||||||||
| 2024 | $ | 6.00 | $ | 16,530,676 | $ | — | $ | — | $ | 6.00 | $ | 16,530,676 | ||||||||||||||||||||||||||
| 2023 | $ | 6.00 | 17,676,364 | $ | — | — | $ | 6.00 | 17,676,364 | |||||||||||||||||||||||||||||
| 2022 | $ | 6.00 | 18,637,238 | $ | 4.00 | 12,059,669 | $ | 10.00 | 30,696,907 | |||||||||||||||||||||||||||||
| Total | $ | 52,844,278 | $ | 12,059,669 | $ | 64,903,947 | ||||||||||||||||||||||||||||||||
| As of December 31, | |||||||||||
| 2024 | 2023 | ||||||||||
| Corporate Investments: | |||||||||||
| Diamond Hill International Fund | $ | 54,887,433 | $ | 52,763,714 | |||||||
| Diamond Hill Core Plus Bond Fund | 35,294,858 | — | |||||||||
| Diamond Hill Micro Cap Fund, LP | 15,978,910 | 12,482,396 | |||||||||
| Diamond Hill Large Cap Concentrated Fund | 14,180,828 | 12,402,576 | |||||||||
| Diamond Hill Securitized Credit Fund | 117,266 | — | |||||||||
| Diamond Hill Core Bond Fund | — | 34,003,006 | |||||||||
| Total Corporate Investments | 120,459,295 | 111,651,692 | |||||||||
| Deferred Compensation Plan Investments in the Funds | 39,129,093 | 36,087,170 | |||||||||
| Total investments held by DHCM | 159,588,388 | 147,738,862 | |||||||||
Redeemable noncontrolling interest in the Consolidated Fund | 164,593 | — | |||||||||
| Total investments | $ | 159,752,981 | $ | 147,738,862 | |||||||
| Year Ended December 31, 2024 | |||||||||||||||||||||||
| Cash flow attributable to Diamond Hill Investment Group, Inc. | Cash flow attributable to Consolidated Funds | Eliminations | As reported on the Consolidated Statement of Cash Flows | ||||||||||||||||||||
| Cash flows from operating activities: | |||||||||||||||||||||||
| Net income | $ | 43,177,729 | $ | (226,242) | $ | 226,431 | $ | 43,177,918 | |||||||||||||||
| Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||||||||||||||||
| Depreciation | 1,224,475 | — | — | 1,224,475 | |||||||||||||||||||
| Share-based compensation | 11,821,490 | — | — | 11,821,490 | |||||||||||||||||||
| Net gains on investments | (7,799,438) | 226,242 | (506,951) | (8,080,147) | |||||||||||||||||||
| Net change in securities held by Consolidated Funds | — | (35,809,404) | — | (35,809,404) | |||||||||||||||||||
| Other changes in assets and liabilities | 4,345,935 | (81,415) | — | 4,264,520 | |||||||||||||||||||
| Net cash provided by operating activities | 52,770,191 | (35,890,819) | (280,520) | 16,598,852 | |||||||||||||||||||
Net cash (used in) provided by investing activities | (5,413,528) | — | 35,925,520 | 30,511,992 | |||||||||||||||||||
| Net cash used in financing activities | (52,723,938) | $ | 35,890,819 | $ | (35,645,000) | (52,478,119) | |||||||||||||||||
| Net change during the year | (5,367,275) | — | — | (5,367,275) | |||||||||||||||||||
| Cash and cash equivalents at beginning of year | 46,991,879 | — | — | 46,991,879 | |||||||||||||||||||
| Cash and cash equivalents at end of year | $ | 41,624,604 | — | — | $ | 41,624,604 | |||||||||||||||||
| Year Ended December 31, 2023 | |||||||||||||||||||||||
| Cash flow attributable to Diamond Hill Investment Group, Inc. | Cash flow attributable to Consolidated Funds | Eliminations | As reported on the Consolidated Statement of Cash Flows | ||||||||||||||||||||
| Cash flows from operating activities: | |||||||||||||||||||||||
| Net income | $ | 42,226,422 | $ | 3,818,572 | $ | (2,959,446) | $ | 43,085,548 | |||||||||||||||
Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||||||||||||||||
| Depreciation | 1,289,315 | — | — | 1,289,315 | |||||||||||||||||||
| Share-based compensation | 11,691,890 | — | — | 11,691,890 | |||||||||||||||||||
| Net gains on investments | (15,677,551) | (3,818,572) | 2,959,446 | (16,536,677) | |||||||||||||||||||
| Net change in securities held by Consolidated Funds | — | (10,930,911) | — | (10,930,911) | |||||||||||||||||||
| Other changes in assets and liabilities | 4,959,742 | 1,110,217 | — | 6,069,959 | |||||||||||||||||||
| Net cash provided by operating activities | 44,489,818 | (9,820,694) | — | 34,669,124 | |||||||||||||||||||
| Net cash used in investing activities | (3,675,461) | — | (530,163) | (4,205,624) | |||||||||||||||||||
| Net cash used in financing activities | (57,017,780) | $ | 9,820,694 | $ | 530,163 | (46,666,923) | |||||||||||||||||
| Net change during the year | (16,203,423) | — | — | (16,203,423) | |||||||||||||||||||
| Cash and cash equivalents at beginning of year | 63,195,302 | — | — | 63,195,302 | |||||||||||||||||||
| Cash and cash equivalents at end of year | $ | 46,991,879 | — | — | $ | 46,991,879 | |||||||||||||||||
| Year Ended December 31, 2022 | |||||||||||||||||||||||
| Cash flow attributable to Diamond Hill Investment Group, Inc. | Cash flow attributable to Consolidated Funds | Eliminations | As reported on the Consolidated Statement of Cash Flows | ||||||||||||||||||||
| Cash flows from operating activities: | |||||||||||||||||||||||
| Net income | $ | 40,434,107 | $ | (11,739,448) | $ | 8,176,103 | $ | 36,870,762 | |||||||||||||||
Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||||||||||||||||
| Depreciation | 1,377,610 | — | — | 1,377,610 | |||||||||||||||||||
| Share-based compensation | 10,660,673 | — | — | 10,660,673 | |||||||||||||||||||
| Gain on sale of High Yield-Focused Advisory Contracts | (6,813,579) | — | — | (6,813,579) | |||||||||||||||||||
| Net losses on investments | 21,552,322 | 11,739,448 | (8,819,876) | 24,471,894 | |||||||||||||||||||
| Net change in securities held by Consolidated Funds | — | (14,039,687) | — | (14,039,687) | |||||||||||||||||||
| Other changes in assets and liabilities | (17,563,539) | 4,518,501 | — | (13,045,038) | |||||||||||||||||||
| Net cash provided by operating activities | 49,647,594 | (9,521,186) | (643,773) | 39,482,635 | |||||||||||||||||||
| Net cash provided by investing activities | 5,330,622 | — | 703,249 | 6,033,871 | |||||||||||||||||||
| Net cash used in financing activities | (72,333,307) | $ | 9,521,186 | $ | (59,476) | (62,871,597) | |||||||||||||||||
| Net change during the year | (17,355,091) | — | — | (17,355,091) | |||||||||||||||||||
| Cash and cash equivalents at beginning of year | 80,550,393 | — | — | 80,550,393 | |||||||||||||||||||
| Cash and cash equivalents at end of year | $ | 63,195,302 | — | — | $ | 63,195,302 | |||||||||||||||||
| Year Ended December 31, 2024 | |||||||||||||||||||||||||||||||||||||||||
| (in thousands, except percentages and per share data) | Total operating expenses | Net operating income | Total non-operating income | Income tax expense(5) | Net income attributable to common shareholders | Earnings per share attributable to common shareholders - diluted | Net operating profit margin | ||||||||||||||||||||||||||||||||||
| GAAP Basis | $ | 107,203 | $ | 43,892 | $ | 15,119 | $ | 15,833 | $ | 43,178 | $ | 15.66 | 29 | % | |||||||||||||||||||||||||||
| Non-GAAP Adjustments: | |||||||||||||||||||||||||||||||||||||||||
Deferred compensation liability(1) | (4,776) | 4,776 | (4,776) | — | — | — | 3 | % | |||||||||||||||||||||||||||||||||
Consolidated Funds(2) | — | 28 | 199 | 61 | 165 | 0.06 | — | ||||||||||||||||||||||||||||||||||
Other investment income(4) | — | — | $ | (10,542) | (2,825) | (7,717) | (2.80) | — | |||||||||||||||||||||||||||||||||
Adjusted Non-GAAP Basis | $ | 102,427 | $ | 48,696 | — | $ | 13,069 | $ | 35,626 | $ | 12.92 | 32 | % | ||||||||||||||||||||||||||||
| Year Ended December 31, 2023 | |||||||||||||||||||||||||||||||||||||||||
| (in thousands, except percentages and per share data) | Total operating expenses | Net operating income | Total non-operating loss | Income tax expense(5) | Net income attributable to common shareholders | Earnings per share attributable to common shareholders - diluted | Net operating profit margin | ||||||||||||||||||||||||||||||||||
| GAAP Basis | $ | 101,212 | $ | 35,504 | $ | 23,071 | $ | 15,490 | $ | 42,226 | $ | 14.32 | 26 | % | |||||||||||||||||||||||||||
| Non-GAAP Adjustments: | |||||||||||||||||||||||||||||||||||||||||
Deferred compensation liability(1) | (5,600) | 5,600 | (5,600) | — | — | — | 4 | % | |||||||||||||||||||||||||||||||||
Consolidated Funds(2) | — | 330 | (4,148) | (793) | (2,166) | (0.73) | — | ||||||||||||||||||||||||||||||||||
Other investment income(4) | — | — | $ | (13,323) | (3,571) | (9,752) | (3.31) | — | |||||||||||||||||||||||||||||||||
Adjusted Non-GAAP Basis | $ | 95,612 | $ | 41,434 | — | $ | 11,126 | $ | 30,308 | $ | 10.28 | 30 | % | ||||||||||||||||||||||||||||
| Year Ended December 31, 2022 | |||||||||||||||||||||||||||||||||||||||||
| (in thousands, except percentages and per share data) | Total operating expenses | Net operating income | Total non-operating income | Income tax expense(5) | Net income attributable to common shareholders | Earnings per share attributable to common shareholders - diluted | Net operating profit margin | ||||||||||||||||||||||||||||||||||
| GAAP Basis | $ | 90,165 | $ | 64,331 | $ | (13,373) | $ | 14,088 | $ | 40,434 | $ | 13.01 | 42 | % | |||||||||||||||||||||||||||
| Non-GAAP Adjustments: | |||||||||||||||||||||||||||||||||||||||||
Deferred compensation liability(1) | 4,402 | (4,402) | 4,402 | — | — | — | (3) | % | |||||||||||||||||||||||||||||||||
Consolidated Funds(2) | — | 423 | 11,317 | 2,113 | 6,063 | 1.95 | — | ||||||||||||||||||||||||||||||||||
Gain on sale of High Yield-Focused Advisory Contracts(3) | — | — | (6,814) | (1,761) | (5,053) | (1.63) | — | ||||||||||||||||||||||||||||||||||
Other investment income(4) | — | — | $ | 4,468 | 1,155 | 3,313 | 1.07 | — | |||||||||||||||||||||||||||||||||
Adjusted Non-GAAP Basis | $ | 94,567 | $ | 60,352 | — | $ | 15,595 | $ | 44,757 | $ | 14.40 | 39 | % | ||||||||||||||||||||||||||||
| ITEM 7A. | Quantitative and Qualitative Disclosures About Market Risk | ||||
| Fair Value as of December 31, 2024 | Fair Value Assuming a Hypothetical 10% Increase | Fair Value Assuming a Hypothetical 10% Decrease | |||||||||||||||
| Equity investments | $ | 79,207,519 | $ | 87,128,271 | $ | 71,286,767 | |||||||||||
| Fixed Income investments | 80,545,462 | 88,600,008 | 72,490,916 | ||||||||||||||
| Total | $ | 159,752,981 | $ | 175,728,279 | $ | 143,777,683 | |||||||||||
| ITEM 8. | Financial Statements and Supplementary Data | ||||
Report of Independent Registered Public Accounting Firm (KPMG LLP, Columbus, OH, Auditor Firm ID: 185) | |||||
| December 31, | |||||||||||
| 2024 | 2023 | ||||||||||
| ASSETS | |||||||||||
| Cash and cash equivalents | $ | 41,624,604 | $ | 46,991,879 | |||||||
| Investments | 159,752,981 | 147,738,862 | |||||||||
| Accounts receivable | 20,205,678 | 18,051,241 | |||||||||
| Prepaid expenses | 3,694,019 | 3,509,460 | |||||||||
| Income taxes receivable | 1,550,718 | 1,620,864 | |||||||||
| Property and equipment, net of depreciation | 8,380,594 | 2,591,604 | |||||||||
| Deferred taxes | 9,918,056 | 11,590,438 | |||||||||
| Total assets | $ | 245,126,650 | $ | 232,094,348 | |||||||
| LIABILITIES AND SHAREHOLDERS’ EQUITY | |||||||||||
| Liabilities | |||||||||||
| Accounts payable and accrued expenses | $ | 5,599,931 | $ | 5,421,454 | |||||||
| Accrued incentive compensation | 31,500,000 | 29,500,000 | |||||||||
| Lease liability | 6,335,490 | 768,916 | |||||||||
| Deferred compensation | 39,129,093 | 36,087,170 | |||||||||
| Total liabilities | 82,564,514 | 71,777,540 | |||||||||
| Redeemable noncontrolling interest | 246,008 | — | |||||||||
| Permanent Shareholders’ Equity | |||||||||||
| Common shares, no par value: 7,000,000 shares authorized; 2,670,469 issued and outstanding at December 31, 2024 (inclusive of 173,120 unvested shares); 2,823,076 issued and outstanding at December 31, 2023 (inclusive of 190,172 unvested shares) | 28,478,515 | 22,164,410 | |||||||||
| Preferred shares, undesignated, 1,000,000 shares authorized and unissued | — | — | |||||||||
| Deferred equity compensation | (15,833,657) | (15,392,418) | |||||||||
| Retained earnings | 149,671,270 | 153,544,816 | |||||||||
| Total permanent shareholders’ equity | 162,316,128 | 160,316,808 | |||||||||
| Total liabilities and shareholders’ equity | $ | 245,126,650 | $ | 232,094,348 | |||||||
| Year Ended December 31, | |||||||||||||||||
| 2024 | 2023 | 2022 | |||||||||||||||
| REVENUES: | |||||||||||||||||
| Investment advisory | $ | 143,341,943 | $ | 129,179,500 | $ | 144,325,517 | |||||||||||
Fund administration, net | 7,753,188 | 7,536,871 | 10,170,502 | ||||||||||||||
| Total revenue | 151,095,131 | 136,716,371 | 154,496,019 | ||||||||||||||
| OPERATING EXPENSES: | |||||||||||||||||
| Compensation and related costs, excluding deferred compensation expense (benefit) | 74,588,900 | 70,730,640 | 70,505,216 | ||||||||||||||
| Deferred compensation expense (benefit) | 4,775,627 | 5,599,880 | (4,402,265) | ||||||||||||||
| General and administrative | 16,784,783 | 14,935,033 | 13,606,922 | ||||||||||||||
| Sales and marketing | 7,510,182 | 6,684,410 | 7,159,686 | ||||||||||||||
Fund administration | 3,543,848 | 3,262,421 | 3,294,983 | ||||||||||||||
| Total operating expenses | 107,203,340 | 101,212,384 | 90,164,542 | ||||||||||||||
| NET OPERATING INCOME | 43,891,791 | 35,503,987 | 64,331,477 | ||||||||||||||
| NON-OPERATING INCOME (LOSS) | |||||||||||||||||
| Investment income (loss), net | 15,119,200 | 23,071,441 | (20,186,511) | ||||||||||||||
| Gain on sale of High Yield-Focused Advisory Contracts | — | — | 6,813,579 | ||||||||||||||
| Total non-operating income (loss) | 15,119,200 | 23,071,441 | (13,372,932) | ||||||||||||||
| NET INCOME BEFORE TAXES | 59,010,991 | 58,575,428 | 50,958,545 | ||||||||||||||
| Income tax expense | (15,833,073) | (15,489,880) | (14,087,783) | ||||||||||||||
| NET INCOME | 43,177,918 | 43,085,548 | 36,870,762 | ||||||||||||||
Net (income) loss attributable to redeemable noncontrolling interest | (189) | (859,126) | 3,563,345 | ||||||||||||||
| NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS | $ | 43,177,729 | $ | 42,226,422 | $ | 40,434,107 | |||||||||||
| Earnings per share attributable to common shareholders | |||||||||||||||||
| Basic | $ | 15.66 | $ | 14.32 | $ | 13.01 | |||||||||||
| Diluted | $ | 15.66 | $ | 14.32 | $ | 13.01 | |||||||||||
| Weighted average shares outstanding | |||||||||||||||||
| Basic | 2,757,860 | 2,948,625 | 3,107,604 | ||||||||||||||
| Diluted | 2,757,860 | 2,948,625 | 3,107,604 | ||||||||||||||
| Shares Outstanding | Common Shares | Deferred Equity Compensation | Retained Earnings | Total | Redeemable Noncontrolling Interest | ||||||||||||||||||||||||||||||
| Balance at December 31, 2021 | 3,171,536 | $ | 80,434,049 | $ | (15,268,705) | $ | 119,257,558 | $ | 184,422,902 | $ | 17,756,336 | ||||||||||||||||||||||||
| Issuance of restricted share grants | 76,143 | 13,436,439 | (13,436,439) | — | — | — | |||||||||||||||||||||||||||||
| Amortization of restricted share grants | — | — | 10,530,486 | — | 10,530,486 | — | |||||||||||||||||||||||||||||
| Common shares issued as incentive compensation | 2,743 | 487,870 | — | — | 487,870 | — | |||||||||||||||||||||||||||||
| Issuance of common shares related to 401(k) plan match | 211 | 37,313 | — | — | 37,313 | — | |||||||||||||||||||||||||||||
| Issuance of common shares related to employee stock purchase plan | 3,392 | 619,159 | — | — | 619,159 | — | |||||||||||||||||||||||||||||
| Shares withheld related to employee tax withholding obligations | (19,302) | (3,436,678) | — | — | (3,436,678) | — | |||||||||||||||||||||||||||||
| Forfeiture of restricted share grants | (7,257) | (1,163,514) | 1,163,514 | — | — | — | |||||||||||||||||||||||||||||
| Repurchases of common shares | (217,009) | (38,726,007) | — | — | (38,726,007) | — | |||||||||||||||||||||||||||||
| Cash dividends paid of $10.00 per share | — | — | — | (30,696,907) | (30,696,907) | — | |||||||||||||||||||||||||||||
| Net income (loss) | — | — | — | 40,434,107 | 40,434,107 | (3,563,345) | |||||||||||||||||||||||||||||
| Net subscriptions of consolidated funds | — | — | — | — | — | 9,461,710 | |||||||||||||||||||||||||||||
| Net deconsolidations of Company sponsored investments | — | — | — | — | — | (9,528,503) | |||||||||||||||||||||||||||||
| Balance at December 31, 2022 | 3,010,457 | $ | 51,688,631 | $ | (17,011,144) | $ | 128,994,758 | $ | 163,672,245 | $ | 14,126,198 | ||||||||||||||||||||||||
| Issuance of restricted share grants | 59,578 | 11,131,853 | (11,131,853) | — | — | — | |||||||||||||||||||||||||||||
| Amortization of restricted share grants | — | — | 11,603,239 | — | 11,603,239 | — | |||||||||||||||||||||||||||||
| Issuance of common shares related to 401(k) plan match | 99 | 16,344 | — | — | 16,344 | — | |||||||||||||||||||||||||||||
| Issuance of common shares related to employee stock purchase plan | 2,904 | 482,097 | — | — | 482,097 | — | |||||||||||||||||||||||||||||
| Shares withheld related to employee tax withholding obligations | (30,204) | (5,131,262) | — | — | (5,131,262) | — | |||||||||||||||||||||||||||||
| Forfeiture of restricted share grants | (7,120) | (1,147,340) | 1,147,340 | — | — | — | |||||||||||||||||||||||||||||
Repurchases of common shares (inclusive of accrued excise tax of $255,969) | (212,638) | (34,875,913) | — | — | (34,875,913) | — | |||||||||||||||||||||||||||||
| Cash dividends paid of $6.00 per share | — | — | — | (17,676,364) | (17,676,364) | — | |||||||||||||||||||||||||||||
| Net income | — | — | — | 42,226,422 | 42,226,422 | 859,126 | |||||||||||||||||||||||||||||
| Net deconsolidations of Company sponsored investments | — | — | — | — | — | (25,336,181) | |||||||||||||||||||||||||||||
| Net subscriptions of consolidated funds | — | — | — | — | — | 10,350,857 | |||||||||||||||||||||||||||||
| Balance at December 31, 2023 | 2,823,076 | $ | 22,164,410 | $ | (15,392,418) | $ | 153,544,816 | $ | 160,316,808 | $ | — | ||||||||||||||||||||||||
| Issuance of restricted share grants | 87,344 | 13,474,536 | (13,474,536) | — | — | — | |||||||||||||||||||||||||||||
| Amortization of restricted share grants | — | — | 11,763,736 | — | 11,763,736 | — | |||||||||||||||||||||||||||||
| Issuance of common shares related to employee stock purchase plan | 2,501 | 385,037 | — | — | 385,037 | — | |||||||||||||||||||||||||||||
| Shares withheld related to employee tax withholding obligations | (39,757) | (6,275,907) | — | — | (6,275,907) | — | |||||||||||||||||||||||||||||
| Forfeiture of restricted share grants | (7,471) | (1,269,561) | 1,269,561 | — | — | — | |||||||||||||||||||||||||||||
Repurchases of common shares (inclusive of accrued excise tax of $275,961) | (195,224) | — | (30,520,599) | (30,520,599) | — | ||||||||||||||||||||||||||||||
| Cash dividends paid of $6.00 per share | — | — | — | (16,530,676) | (16,530,676) | — | |||||||||||||||||||||||||||||
| Net income | — | — | — | 43,177,729 | 43,177,729 | 189 | |||||||||||||||||||||||||||||
| Net subscriptions of consolidated funds | — | — | — | — | — | $ | 245,819 | ||||||||||||||||||||||||||||
| Balance at December 31, 2024 | 2,670,469 | $ | 28,478,515 | $ | (15,833,657) | $ | 149,671,270 | $ | 162,316,128 | 246,008 | |||||||||||||||||||||||||
| Year Ended December 31, | |||||||||||||||||
| 2024 | 2023 | 2022 | |||||||||||||||
| CASH FLOWS FROM OPERATING ACTIVITIES: | |||||||||||||||||
| Net income | $ | 43,177,918 | $ | 43,085,548 | $ | 36,870,762 | |||||||||||
| Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||||||||||
| Depreciation | 1,224,475 | 1,289,315 | 1,377,610 | ||||||||||||||
| Share-based compensation | 11,821,490 | 11,691,890 | 10,660,673 | ||||||||||||||
| (Increase) decrease in accounts receivable | (2,154,437) | (3,393,686) | 3,107,409 | ||||||||||||||
| Change in current income taxes | 70,146 | (157,317) | (2,265,287) | ||||||||||||||
| Change in deferred income taxes | 1,672,382 | 2,783,768 | (4,526,654) | ||||||||||||||
| Gain on sale of High Yield-Focused Advisory Contracts | — | — | (6,813,579) | ||||||||||||||
| Net (gain) loss on investments | (8,080,147) | (16,536,677) | 24,471,894 | ||||||||||||||
| Net change in securities held by Consolidated Funds | (35,809,404) | (10,930,911) | (14,039,687) | ||||||||||||||
| Increase (decrease) in accrued incentive compensation | 2,000,000 | (2,600,000) | (4,647,548) | ||||||||||||||
| Increase (decrease) in deferred compensation | 3,041,923 | 5,342,180 | (6,603,304) | ||||||||||||||
| Other changes in assets and liabilities | (365,494) | 4,095,014 | 1,890,346 | ||||||||||||||
| Net cash provided by operating activities | 16,598,852 | 34,669,124 | 39,482,635 | ||||||||||||||
| CASH FLOWS FROM INVESTING ACTIVITIES: | |||||||||||||||||
| Purchase of property and equipment | (1,363,440) | (21,705) | (101,454) | ||||||||||||||
| Purchase of Company sponsored investments | (15,125,376) | (19,469,955) | (7,606,958) | ||||||||||||||
| Proceeds from sale of Company sponsored investments | 47,000,808 | 15,286,036 | 6,928,704 | ||||||||||||||
| Proceeds from sale of High Yield-Focused Advisory Contracts | — | — | 6,813,579 | ||||||||||||||
| Net cash provided by (used in) investing activities | 30,511,992 | (4,205,624) | 6,033,871 | ||||||||||||||
| CASH FLOWS FROM FINANCING ACTIVITIES: | |||||||||||||||||
| Value of shares withheld related to employee tax withholding obligations | (6,275,907) | (5,131,262) | (3,436,678) | ||||||||||||||
| Payment of dividends | (16,530,676) | (17,676,364) | (30,696,907) | ||||||||||||||
| Net subscriptions received from redeemable noncontrolling interest holders | 245,819 | 10,350,857 | 9,461,710 | ||||||||||||||
| Repurchase of common shares | (30,244,638) | (34,619,944) | (38,726,007) | ||||||||||||||
| Proceeds received under employee stock purchase plan | 327,283 | 409,790 | 526,285 | ||||||||||||||
| Net cash used in financing activities | (52,478,119) | (46,666,923) | (62,871,597) | ||||||||||||||
| CASH AND CASH EQUIVALENTS | |||||||||||||||||
| Net change during the year | (5,367,275) | (16,203,423) | (17,355,091) | ||||||||||||||
| At beginning of year | 46,991,879 | 63,195,302 | 80,550,393 | ||||||||||||||
| At end of year | $ | 41,624,604 | $ | 46,991,879 | $ | 63,195,302 | |||||||||||
| Supplemental information related to cash activities | |||||||||||||||||
| Income taxes paid | $ | 14,090,545 | $ | 12,863,429 | $ | 20,879,724 | |||||||||||
| Supplemental information related to non-cash activities | |||||||||||||||||
| Operating lease right-of-use asset addition, net of lease incentives | 3,173,981 | $ | — | $ | — | ||||||||||||
| Lease incentives included in property and equipment | 2,837,175 | $ | — | $ | — | ||||||||||||
Common shares issued as incentive compensation | — | $ | — | $ | 487,870 | ||||||||||||
| As of December 31, | |||||||||||
| 2024 | 2023 | ||||||||||
| Furniture and Fixtures | $ | 7,033,635 | $ | 7,033,635 | |||||||
| Software and Hardware | 5,228,929 | 5,095,529 | |||||||||
| Construction in Progress | 4,067,215 | — | |||||||||
| Right of Use Lease Asset | 3,443,019 | 630,169 | |||||||||
Total | 19,772,798 | 12,759,333 | |||||||||
| Less: Accumulated Depreciation | (11,392,204) | (10,167,729) | |||||||||
| Net Property, Plant and Equipment | $ | 8,380,594 | $ | 2,591,604 | |||||||
| Year Ended December 31, 2024 | |||||||||||||||||
| Investment advisory | Fund administration, net | Total revenue | |||||||||||||||
Proprietary Funds | $ | 92,531,710 | $ | 7,753,188 | $ | 100,284,898 | |||||||||||
SMAs | 27,382,582 | — | 27,382,582 | ||||||||||||||
| Other pooled vehicles | 11,465,794 | — | 11,465,794 | ||||||||||||||
CITs | 6,671,696 | — | 6,671,696 | ||||||||||||||
| Model delivery | 5,290,161 | — | 5,290,161 | ||||||||||||||
| $ | 143,341,943 | $ | 7,753,188 | $ | 151,095,131 | ||||||||||||
| Year Ended December 31, 2023 | |||||||||||||||||
| Investment advisory | Fund administration, net | Total revenue | |||||||||||||||
Proprietary Funds | $ | 84,810,452 | $ | 7,536,871 | $ | 92,347,323 | |||||||||||
SMAs | 26,075,046 | — | 26,075,046 | ||||||||||||||
| Other pooled vehicles | 9,261,533 | — | 9,261,533 | ||||||||||||||
| Model delivery | 5,211,113 | — | 5,211,113 | ||||||||||||||
CITs | 3,821,356 | — | 3,821,356 | ||||||||||||||
| $ | 129,179,500 | $ | 7,536,871 | $ | 136,716,371 | ||||||||||||
| Year Ended December 31, 2022 | |||||||||||||||||
| Investment advisory | Fund administration, net | Total revenue | |||||||||||||||
Proprietary Funds | $ | 98,873,571 | $ | 10,170,502 | $ | 109,044,073 | |||||||||||
SMAs | 27,700,949 | — | 27,700,949 | ||||||||||||||
| Other pooled vehicles | 9,410,541 | — | 9,410,541 | ||||||||||||||
| Model delivery | 5,910,061 | — | 5,910,061 | ||||||||||||||
CITs | 2,430,395 | — | 2,430,395 | ||||||||||||||
| $ | 144,325,517 | $ | 10,170,502 | $ | 154,496,019 | ||||||||||||
| Year Ended December 31, | |||||||||||||||||
| 2024 | 2023 | 2022 | |||||||||||||||
Fund administration: | |||||||||||||||||
| Administration revenue, gross | $ | 24,719,844 | $ | 21,597,721 | $ | 25,188,386 | |||||||||||
| Fund related expense | (16,966,656) | (14,060,850) | (15,017,884) | ||||||||||||||
Fund administration revenue, net | $ | 7,753,188 | $ | 7,536,871 | $ | 10,170,502 | |||||||||||
| As of December 31, | |||||||||||
| 2024 | 2023 | ||||||||||
| Fair value investments: | |||||||||||
Securities held in Consolidated Funds(a) | $ | 35,583,162 | — | ||||||||
| Company-sponsored investments | 30,146,571 | $ | 63,208,573 | ||||||||
| Company-sponsored equity method investments | 94,023,248 | 84,530,289 | |||||||||
| Total Investments | $ | 159,752,981 | $ | 147,738,862 | |||||||
| For the Year Ended December 31, | |||||||||||||||||
| 2024 | 2023 | 2022 | |||||||||||||||
| Realized gains (losses) | $ | 141,604 | $ | 39,096 | $ | (118,408) | |||||||||||
| Change in unrealized | 9,809,930 | 15,690,012 | (24,082,672) | ||||||||||||||
| Dividends | 4,922,446 | 7,517,393 | 4,193,792 | ||||||||||||||
| Interest income | 298,186 | — | — | ||||||||||||||
| Other loss | (52,966) | (175,060) | (179,223) | ||||||||||||||
| Investment income (loss), net | $ | 15,119,200 | $ | 23,071,441 | $ | (20,186,511) | |||||||||||
| As of December 31, | |||||||||||||||||
| 2024 | 2023 | ||||||||||||||||
| Total assets | $ | 211,179,739 | $ | 162,145,182 | |||||||||||||
| Total liabilities | 8,334,844 | 4,551,099 | |||||||||||||||
| Net assets | 202,844,895 | 157,594,083 | |||||||||||||||
| DHCM’s portion of net assets | $ | 94,023,248 | $ | 84,530,289 | |||||||||||||
| For the Year Ended December 31, | |||||||||||||||||
| 2024 | 2023 | 2022 | |||||||||||||||
| Investment income | $ | 4,406,158 | $ | 1,349,183 | $ | 413,528 | |||||||||||
| Expenses | 1,686,238 | 460,670 | 134,478 | ||||||||||||||
Net realized gains | 6,957,654 | 311,950 | 378,476 | ||||||||||||||
| Change in unrealized | 4,988,298 | 15,879,847 | (402,230) | ||||||||||||||
| Net income | 14,665,872 | 17,080,310 | 255,296 | ||||||||||||||
| DHCM’s portion of net income (loss) | $ | 9,039,837 | $ | 9,728,056 | $ | (405,393) | |||||||||||
| December 31, 2024 | Level 1 | Level 2 | Level 3 | Total | ||||||||||
| Cash equivalents | $ | 40,339,754 | — | — | $ | 40,339,754 | ||||||||
| Fair value investments | ||||||||||||||
Securities held in Consolidated Funds(a) | 1,840,412 | 33,742,750 | 35,583,162 | |||||||||||
| Company-sponsored investments | 30,146,571 | — | — | 30,146,571 | ||||||||||
| December 31, 2023 | ||||||||||||||
| Cash equivalents | 44,171,397 | — | — | 44,171,397 | ||||||||||
| Fair value investments | ||||||||||||||
| Company-sponsored investments | $ | 63,208,573 | — | — | $ | 63,208,573 | ||||||||
| Shares | Weighted-Average Grant Date Price per Share | ||||||||||
| Outstanding Restricted Shares as of December 31, 2023 | 190,172 | $ | 164.69 | ||||||||
| Grants issued | 87,344 | 154.27 | |||||||||
| Grants vested | (96,925) | 161.90 | |||||||||
| Grants forfeited | (7,471) | 169.93 | |||||||||
| Outstanding Restricted Shares as of December 31, 2024 | 173,120 | $ | 160.77 | ||||||||
| 2025 | 2026 | 2027 | 2028 | 2029 | Thereafter | Total | ||||||||||||||||||||||||||||||||
| $ | 8,223,033 | $ | 4,979,504 | $ | 1,661,651 | $ | 657,845 | $ | 311,624 | $ | — | $ | 15,833,657 | |||||||||||||||||||||||||
| Shares Issued | Grant Date Value | ||||||||||
| December 31, 2024 | — | — | |||||||||
| December 31, 2023 | — | — | |||||||||
| December 31, 2022 | 2,743 | $ | 487,870 | ||||||||
| Shares Issued | Share Contributions | Cash Contributions | Total Company Contributions | ||||||||||||||||||||
| December 31, 2024 | — | — | $ | 3,074,509 | $ | 3,074,509 | |||||||||||||||||
| December 31, 2023 | 99 | $ | 16,344 | 3,067,630 | 3,083,974 | ||||||||||||||||||
| December 31, 2022 | 211 | $ | 37,313 | $ | 2,910,156 | $ | 2,947,469 | ||||||||||||||||
| For the year ended December 31, | ||||||||||||||
| 2024 | 2023 | 2022 | ||||||||||||
| $ | 934,353 | $ | 908,516 | $ | 918,496 | |||||||||
| December 31, 2024 | ||||||||
| 2025 | $ | 723,480 | ||||||
| 2026 | 773,603 | |||||||
| 2027 | 796,868 | |||||||
| 2028 | 820,889 | |||||||
| 2029 | 845,384 | |||||||
| 2030 and Thereafter | 4,870,010 | |||||||
| Total undiscounted operating lease payments | 8,830,234 | |||||||
| Less: Imputed interest | (2,494,744) | |||||||
| Present value of operating lease liability | $ | 6,335,490 | ||||||
| For the year ended December 31, | |||||||||||||||||
| 2024 | 2023 | 2022 | |||||||||||||||
| Current federal income tax provision | $ | 11,122,669 | $ | 9,974,451 | $ | 14,494,857 | |||||||||||
| Current state and local income tax provision | 3,038,022 | 2,731,661 | 4,119,580 | ||||||||||||||
| Deferred income tax expense (benefit) | 1,672,382 | 2,783,768 | (4,526,654) | ||||||||||||||
Provision for income taxes | $ | 15,833,073 | $ | 15,489,880 | $ | 14,087,783 | |||||||||||
| 2024 | 2023 | 2022 | |||||||||||||||
| Statutory U.S. federal income tax rate | 21.0 | % | 21.0 | % | 21.0 | % | |||||||||||
| State and local income taxes, net of federal benefit | 4.6 | 4.7 | 4.7 | ||||||||||||||
| Internal revenue code section 162 limitations | 1.4 | 1.3 | 1.5 | ||||||||||||||
| Excess tax deficit on vesting of restricted shares | 0.3 | 0.3 | 0.1 | ||||||||||||||
| Income tax benefit from dividends paid on restricted shares | (0.4) | (0.5) | (0.9) | ||||||||||||||
| Other | (0.1) | — | (0.6) | ||||||||||||||
| Unconsolidated effective income tax rate | 26.8 | % | 26.8 | % | 25.8 | % | |||||||||||
| Impact attributable to redeemable noncontrolling interest (a) | — | (0.4) | 1.8 | ||||||||||||||
| Effective income tax rate | 26.8 | % | 26.4 | % | 27.6 | % | |||||||||||
| 2024 | 2023 | ||||||||||
| Stock-based compensation | $ | 2,649,082 | $ | 2,778,585 | |||||||
| Accrued compensation | 10,696,310 | 10,715,239 | |||||||||
Unrealized gains | (3,257,452) | (1,487,350) | |||||||||
| Property and equipment | (194,110) | (422,062) | |||||||||
| Other assets and liabilities | 24,226 | 6,026 | |||||||||
| Net deferred tax assets | $ | 9,918,056 | $ | 11,590,438 | |||||||
| Year Ended December 31, | |||||||||||||||||
| 2024 | 2023 | 2022 | |||||||||||||||
| Net income | $ | 43,177,918 | $ | 43,085,548 | $ | 36,870,762 | |||||||||||
| Less: Net (income) loss attributable to redeemable noncontrolling interest | (189) | (859,126) | 3,563,345 | ||||||||||||||
| Net income attributable to common shareholders | $ | 43,177,729 | $ | 42,226,422 | $ | 40,434,107 | |||||||||||
| Weighted average number of outstanding shares - Basic | 2,757,860 | 2,948,625 | 3,107,604 | ||||||||||||||
| Weighted average number of outstanding shares - Diluted | 2,757,860 | 2,948,625 | 3,107,604 | ||||||||||||||
| Earnings per share attributable to common shareholders | |||||||||||||||||
| Basic | $ | 15.66 | $ | 14.32 | $ | 13.01 | |||||||||||
| Diluted | $ | 15.66 | $ | 14.32 | $ | 13.01 | |||||||||||
| 2025 | 2026 | 2027 | 2028 | 2029 | Thereafter | Total | ||||||||||||||||||||||||||||||||
| $ | 4,320,272 | $ | 5,168,523 | $ | 5,168,523 | $ | 2,623,772 | $ | 1,775,522 | $ | — | $ | 19,056,612 | |||||||||||||||||||||||||
| ITEM 9. | Changes in and Disagreements With Accountants on Accounting and Financial Disclosures | ||||
| ITEM 9A. | Controls and Procedures | ||||
| ITEM 9B. | Other Information | ||||
| ITEM 9C. | Disclosure Regarding Foreign Jurisdictions that Prevent Inspections | ||||
| ITEM 10. | Directors, Executive Officers and Corporate Governance | ||||
| ITEM 11. | Executive Compensation | ||||
| ITEM 12. | Security Ownership of Certain Beneficial Owners and Management and Related Shareholder Matters | ||||
| (a) | (b) | (c) | |||||||||||||||
| Plan category | Number of securities to be issued upon the exercise of outstanding options, warrants and rights | Weighted-average exercise price of outstanding options, warrants and rights | Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a) | ||||||||||||||
| Equity compensation plans approved by security holders | — | — | 152,759 | ||||||||||||||
| ITEM 13. | Certain Relationships and Related Transactions, and Director Independence | ||||
| ITEM 14. | Principal Accountant Fees and Services | ||||
| ITEM 15. | Exhibit and Financial Statement Schedules | ||||
| (a) (1) | Financial Statements: See “Index to the Consolidated Financial Statements” within Part II. Item 8, Financial Statements and Supplementary Data. | ||||
| (2) | Financial Statement Schedules: All financial statement schedules for which provision is made in the applicable accounting regulations of the SEC are omitted because they are not required or the required information is included in the accompanying financial statements or notes thereto. | ||||
| (3) | Exhibits: | ||||
10.14* | |||||
10.15* | |||||
10.16* | |||||
10.17* | |||||
10.18* | |||||
10.19* | |||||
10.20* | |||||
10.21* | |||||
10.22* | |||||
| 10.23 | |||||
| 10.24 | |||||
| 14.1 | |||||
| 19.1 | |||||
| 21.1 | |||||
| 23.1 | |||||
| 31.1 | |||||
| 31.2 | |||||
| 32.1 | |||||
97.1 | |||||
| 101.INS | XBRL Instance Document. | ||||
| 101.SCH | XBRL Taxonomy Extension Schema Document. | ||||
| 101.CAL | XBRL Taxonomy Extension Calculation Linkbase Document. | ||||
| 101.DEF | XBRL Taxonomy Extension Definition Linkbase Document. | ||||
| 101.LAB | XBRL Taxonomy Extension Label Linkbase Document. | ||||
| 101.PRE | XBRL Taxonomy Extension Presentation Linkbase Document. | ||||
| 104 | Cover Page Interactive Data File (Embedded within the Inline XBRL document and included in Exhibit 101). | ||||
| * | Denotes management contract or compensatory plan or arrangement. | ||||
(b) | Exhibits: Reference is made to Item 15(a)(3) above. | ||||
| (c) | Financial Statement Schedules: None required. | ||||
| ITEM 16. | Form 10-K Summary | ||||
| DIAMOND HILL INVESTMENT GROUP, INC. | |||||||||||
| By: | /s/ Heather E. Brilliant | ||||||||||
| Heather E. Brilliant, Chief Executive Officer and President | February 26, 2025 | ||||||||||
| Signature | Title | Date | ||||||||||||
| /s/ Heather E. Brilliant | Chief Executive Officer and | February 26, 2025 | ||||||||||||
| Heather E. Brilliant | President (Principal Executive Officer) | |||||||||||||
| /s/ Thomas E. Line | Chief Financial Officer and | February 26, 2025 | ||||||||||||
| Thomas E. Line | Treasurer (Principal Financial Officer and Principal Accounting Officer) | |||||||||||||
| Richard S. Cooley* | Director | February 26, 2025 | ||||||||||||
| Richard S. Cooley | ||||||||||||||
Gordon B. Fowler* | Director | February 26, 2025 | ||||||||||||
Gordon Fowler | ||||||||||||||
| James F. Laird* | Director | February 26, 2025 | ||||||||||||
| James F. Laird | ||||||||||||||
| Paula R. Meyer* | Director | February 26, 2025 | ||||||||||||
| Paula R. Meyer | ||||||||||||||
| Nicole R. St. Pierre* | Director | February 26, 2025 | ||||||||||||
| Nicole R. St. Pierre | ||||||||||||||
| L’Quentus Thomas* | Director | February 26, 2025 | ||||||||||||
| L’Quentus Thomas | ||||||||||||||
| * By | /s/ Thomas E. Line | ||||
| Thomas E. Line | |||||
| Executed by Thomas E. Line | |||||
| on behalf of those indicated pursuant to Powers of Attorney | |||||
| Subsidiary company and place of incorporation | Ownership | ||||
| Diamond Hill Capital Management, Inc. (Ohio) | 100% | ||||
| Date: | February 26, 2025 | /s/ Heather E. Brilliant | ||||||
Heather E. Brilliant | ||||||||
| Chief Executive Officer and President | ||||||||
| Date: | February 26, 2025 | /s/ Thomas E. Line | ||||||
| Thomas E. Line | ||||||||
| Chief Financial Officer and Treasurer | ||||||||
| /s/ Heather E. Brilliant | |||||
| Print Name: Heather E. Brilliant | |||||
| Title: Chief Executive Officer and President | |||||
| Date: | February 26, 2025 | ||||
| /s/ Thomas E. Line | |||||
| Print Name: Thomas E. Line | |||||
| Title: Chief Financial Officer and Treasurer | |||||
| Date: | February 26, 2025 | ||||