UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G
Under the Securities Exchange Act of 1934

SEMGROUP CORPORATION	
(Name of Issuer)	

CLASS A COMMON STOCK, PAR VALUE $0.01 PER SHARE	
(Title of Class of Securities)	

81663A105	
(CUSIP Number)	

SEPTEMBER 26, 2016	
(Date of event which requires filing of this statement)	

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
      o  Rule 13d-1(b)
      þ  Rule 13d-1(c)
      o  Rule 13d-1(d)
* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the notes).

		

CUSIP No.	 	81663A105	SCHEDULE 13G	Page	 	2	 	of 	 	15	

		
1	 NAMES OF REPORTING PERSONS
 
 Integrated Core Strategies (US) LLC	
2	 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ	
3	 SEC USE ONLY	
4	 CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware	

		
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH	5	 SOLE VOTING POWER

 -0-	
	6	 SHARED VOTING POWER

 2,296,175  	
	7	 SOLE DISPOSITIVE POWER

 -0-  	
	8	 SHARED DISPOSITIVE POWER

 2,296,175	

		
9	 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 2,296,175	
10	 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 

  o	
11	 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 3.5%	
12	TYPE OF REPORTING PERSON

 OO	

		

CUSIP No.	 	81663A105	SCHEDULE 13G	Page	 	3	 	of 	 	15	

	

1	 NAMES OF REPORTING PERSONS
 
 ICS Opportunities, Ltd.	
2	 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ	
3	 SEC USE ONLY	
4	 CITIZENSHIP OR PLACE OF ORGANIZATION

 Cayman Islands	

		
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH	5	 SOLE VOTING POWER

 -0-	
	6	 SHARED VOTING POWER

 253,536  	
	7	 SOLE DISPOSITIVE POWER

 -0-  	
	8	 SHARED DISPOSITIVE POWER

 253,536  	

		
9	 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 253,536	
10	 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 

  o	
11	 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.4%	
12	TYPE OF REPORTING PERSON

  CO	

		

CUSIP No.	 	81663A105	SCHEDULE 13G	Page	 	4	 	of 	 	15	

	

1	 NAMES OF REPORTING PERSONS
 
 Integrated Assets, Ltd.	
2	 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ	
3	 SEC USE ONLY	
4	 CITIZENSHIP OR PLACE OF ORGANIZATION

 Cayman Islands	

		
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH	5	 SOLE VOTING POWER

 -0-	
	6	 SHARED VOTING POWER

 239,089  	
	7	 SOLE DISPOSITIVE POWER

 -0-  	
	8	 SHARED DISPOSITIVE POWER

 239,089  	

		
9	 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 239,089	
10	 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 

  o	
11	 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.4%	
12	TYPE OF REPORTING PERSON

  CO	

		

CUSIP No.	 	81663A105	SCHEDULE 13G	Page	 	5	 	of 	 	15	

	

1	 NAMES OF REPORTING PERSONS
 
 Millennium International Management LP	
2	 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ	
3	 SEC USE ONLY	
4	 CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware	

		
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH	5	 SOLE VOTING POWER

 -0-	
	6	 SHARED VOTING POWER

 492,625  	
	7	 SOLE DISPOSITIVE POWER

 -0-  	
	8	 SHARED DISPOSITIVE POWER

 492,625  	

		
9	 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 492,625	
10	 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 

  o	
11	 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.7%	
12	TYPE OF REPORTING PERSON

  PN	

		

CUSIP No.	 	81663A105	SCHEDULE 13G	Page	 	6	 	of 	 	15	

	

1	 NAMES OF REPORTING PERSONS
 
 Millennium International Management GP LLC	
2	 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ	
3	 SEC USE ONLY	
4	 CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware	

		
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH	5	 SOLE VOTING POWER

 -0-	
	6	 SHARED VOTING POWER

 492,625  	
	7	 SOLE DISPOSITIVE POWER

 -0-  	
	8	 SHARED DISPOSITIVE POWER

 492,625  	

		
9	 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 492,625	
10	 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 

  o	
11	 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.7%	
12	TYPE OF REPORTING PERSON

  OO	

		

CUSIP No.	 	81663A105	SCHEDULE 13G	Page	 	7	 	of 	 	15	

	

1	 NAMES OF REPORTING PERSONS
 
 Millennium Management LLC	
2	 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ	
3	 SEC USE ONLY	
4	 CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware	

		
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH	5	 SOLE VOTING POWER

 -0-	
	6	 SHARED VOTING POWER

 2,788,800  	
	7	 SOLE DISPOSITIVE POWER

 -0-  	
	8	 SHARED DISPOSITIVE POWER

 2,788,800  	

		
9	 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 2,788,800	
10	 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 

  o	
11	 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 4.2%	
12	TYPE OF REPORTING PERSON

  OO	

		

CUSIP No.	 	81663A105	SCHEDULE 13G	Page	 	8	 	of 	 	15	

		
		
1	 NAMES OF REPORTING PERSONS
 
 Israel A. Englander	
2	 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ	
3	 SEC USE ONLY	
4	 CITIZENSHIP OR PLACE OF ORGANIZATION

 United States	

		
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH	5	 SOLE VOTING POWER

 -0-	
	6	 SHARED VOTING POWER

 2,788,800  	
	7	 SOLE DISPOSITIVE POWER

 -0-  	
	8	 SHARED DISPOSITIVE POWER

 2,788,800  	

		
9	 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 2,788,800	
10	 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES 

  o	
11	 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 4.2%	
12	 TYPE OF REPORTING PERSON

 IN	

		

CUSIP No.	 	81663A105	  SCHEDULE 13G	Page	 	9	 	of 	 	15	

	

Item 1.	 	 	
 	(a)	Name of Issuer :	
 	 	 	
 	 	SemGroup Corporation, a Delaware corporation (the "Issuer").	
 	 	 	
 	(b)	Address of Issuer’s Principal Executive Offices :	
 	 	 	
 	 	Two Warren Place
6120 S. Yale Avenue, Suite 700
Tulsa, Oklahoma 74136-4216	
 	 	 	
Item 2.	(a)	Name of Person Filing :	
 	(b)	Address of Principal Business Office :	
 	(c)	Citizenship :	
 	 	 	
 	 	Integrated Core Strategies (US) LLC
c/o Millennium Management LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware	
 	 	 	
 	 	ICS Opportunities, Ltd.
c/o Millennium International Management LP
666 Fifth Avenue
New York, New York 10103
Citizenship: Cayman Islands	
 	 	 	
 	 	Integrated Assets, Ltd.
c/o Millennium International Management LP
666 Fifth Avenue
New York, New York 10103
Citizenship: Cayman Islands	
 	 	 	
 	 	Millennium International Management LP
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware	
 	 	 	
 	 	Millennium International Management GP LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware	
 	 	 	
 	 	Millennium Management LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware	
 	 	 	
 	 	Israel A. Englander
c/o Millennium Management LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: United States	
 	 	 	
 	(d)	Title of Class of Securities :	
			
		Class A common stock, par value $0.01 per share ("Common Stock")	
 			
 	(e)	CUSIP Number:	
 	 	 	
 	 	81663A105	

		

CUSIP No.	 	81663A105	SCHEDULE 13G	Page	 	10	 	of 	 	15	

Item 3.  If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b), check whether the person filing is a:

		
 	 	(a)	 	o	 	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);	
 	 	 	 	 	 	 	
 	 	(b)	 	o	 	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);	
 	 	 	 	 	 	 	
 	 	(c)	 	o	 	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);	
 	 	 	 	 	 	 	
 	 	(d)	 	o	 	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);	
 	 	 	 	 	 	 	
 	 	(e)	 	o	 	An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);	

 	 	 	 	 	 	 	
 	 	(f)	 	o  	 	An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);	

		

CUSIP No.	 	81663A105	  SCHEDULE 13G	Page	 	11	 	of 	 	15	

 	 	 	 	 	 	 	
 	 	(g)	 	o	 	A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);	

 	 	 	 	 	 	 	
 	 	(h)	 	o	 	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);	
 	 	 	 	 	 	 	
 	 	(i)	 	o	 	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);	
 	 	 	 	 	 	 	
 	 	(j)	 	o	 	Group, in accordance with §240.13d-1(b)(1)(ii)(J).	
Item 4. Ownership
   Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.
(a) Amount Beneficially Owned:
    As of the close of business on September 26, 2016: i) Integrated Core Strategies (US) LLC, a Delaware limited liability company ("Integrated Core Strategies"), beneficially owned 2,268,743 shares of the Issuer’s Common Stock; ii) ICS Opportunities, Ltd., an exempted limited company organized under the laws of the Cayman Islands ("ICS Opportunities"), beneficially owned 115,524 shares of the Issuer’s Common Stock; and iii) Integrated Assets, Ltd., an exempted limited company organized under the laws of the Cayman Islands ("Integrated Assets"), beneficially owned 266,573 shares of the Issuer’s Common Stock, which collectively represented 2,650,840 shares or 5.0% of the 52,814,950 shares of the Issuer’s Common Stock outstanding as of such date.
    On September 30, 2016, the Issuer announced that it had completed the acquisition of all of the outstanding common units of Rose Rock Midstream, L.P. not already owned by the Issuer. Pursuant to the Merger Agreement (as defined in the Issuer’s Form 8-K dated September 30, 2016), approximately 13.3 million additional shares of Common Stock were issued, which increased the total number of shares of the Issuer’s Common Stock outstanding to approximately 66.1 million shares.
    As of the close of business on October 4, 2016: i) Integrated Core Strategies beneficially owned 2,296,175 shares of the Issuer’s Common Stock; ii) ICS Opportunities beneficially owned 253,536 shares of the Issuer’s Common Stock; and iii) Integrated Assets beneficially owned 239,089 shares of the Issuer’s Common Stock, which collectively represented 2,788,800 shares or 4.2% of the approximately 66.1 million shares of the Issuer’s Common Stock outstanding as of September 30, 2016.

    Millennium International Management LP, a Delaware limited partnership ("Millennium International Management"), is the investment manager to ICS Opportunities and Integrated Assets and may be deemed to have shared voting control and investment discretion over securities owned by ICS Opportunities and Integrated Assets.
    Millennium International Management GP LLC, a Delaware limited liability company ("Millennium International Management GP"), is the general partner of Millennium International Management and may also be deemed to have shared voting control and investment discretion over securities owned by ICS Opportunities and Integrated Assets.
    Millennium Management LLC, a Delaware limited liability company ("Millennium Management"), is the general partner of the managing member of Integrated Core Strategies and may be deemed to have shared voting control and investment discretion over securities owned by Integrated Core Strategies. Millennium Management is also the general partner of the 100% shareholder of ICS Opportunities and Integrated Assets and may be deemed to have shared voting control and investment discretion over securities owned by ICS Opportunities and Integrated Assets.
    Israel A. Englander, a United States citizen ("Mr. Englander"), is the managing member of Millennium International Management GP and Millennium Management and may also be deemed to have shared voting control and investment discretion over securities owned by Integrated Core Strategies, ICS Opportunities and Integrated Assets.
    The foregoing should not be construed in and of itself as an admission by Millennium International Management, Millennium International Management GP, Millennium Management or Mr. Englander as to beneficial ownership of the securities owned by Integrated Core Strategies, ICS Opportunities and Integrated Assets, as the case may be.
(b) Percent of Class:    
    As of the close of business on October 4, 2016, Millennium Management and Mr. Englander may be deemed to have beneficially owned 2,788,800 shares or 4.2% of the approximately 66.1 million shares of the Issuer’s Common Stock outstanding as of September 30, 2016 (see Item 4(a) above).

		

CUSIP No.	 	81663A105	  SCHEDULE 13G	Page	 	12	 	of 	 	15	
  (c) Number of shares as to which such person has:
(i) Sole power to vote or to direct the vote
   -0-
(ii) Shared power to vote or to direct the vote
   2,788,800 (See Item 4(b))
 (iii) Sole power to dispose or to direct the disposition of
   -0-
(iv) Shared power to dispose or to direct the disposition of
   2,788,800 (See Item 4(b))
Item 5. Ownership of Five Percent or Less of a Class
   If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following þ .
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
    Not applicable.
Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.
    Not applicable.
Item 8. Identification and Classification of Members of the Group
    See Exhibit I.
Item 9. Notice of Dissolution of Group
    Not applicable.
Item 10. Certification 
   By signing below each of the undersigned certifies that, to the best of its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

		

CUSIP No.	 	81663A105	SCHEDULE 13G	Page	 	13	 	of 	 	15	
Exhibits:
Exhibit I:  Joint Filing Agreement, dated as of October 4, 2016, by and among Integrated Core Strategies (US) LLC, ICS Opportunities, Ltd., Integrated Assets, Ltd., Millennium International Management LP, Millennium International Management GP LLC, Millennium Management LLC and Israel A. Englander.

		

CUSIP No.	 	81663A105	SCHEDULE 13G	Page	 	14	 	of 	 	15	
 	 	 	 	 	 	 	 	 	 	 	
 	 	 	SIGNATURE	 	 	 	 	 	 	 	
After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information with respect to it set forth in this statement is true, complete, and correct.

Dated: October 4, 2016

	
	
INTEGRATED CORE STRATEGIES (US) LLC

By: Integrated Holding Group LP,
       its Managing Member

By: Millennium Management LLC,
       its General Partner	
	
By: /s/ David Nolan	
Name: David Nolan
Title:  Vice Chairman
 	
ICS OPPORTUNITIES, LTD.

By: Millennium International Management LP,
       its Investment Manager	
	
By: /s/ David Nolan	
Name: David Nolan
Title:  Vice Chairman
 	
INTEGRATED ASSETS, LTD.

By: Millennium International Management LP,
       its Investment Manager	
	
By: /s/ David Nolan	
Name: David Nolan
Title:  Vice Chairman
 	
MILLENNIUM INTERNATIONAL MANAGEMENT LP	
	
By: /s/David Nolan	
Name: David Nolan
Title:  Vice Chairman
 	
MILLENNIUM INTERNATIONAL MANAGEMENT GP LLC	
	
By: /s/David Nolan	
Name: David Nolan
Title:  Vice Chairman
 	
MILLENNIUM MANAGEMENT LLC	
	
By: /s/David Nolan	
Name: David Nolan
Title:  Vice Chairman

/s/ Israel A. Englander by David Nolan
pursuant to Power of Attorney filed with
the SEC on June 6, 2005	
Israel A. Englander

		

CUSIP No.	 	81663A105	SCHEDULE 13G	Page	 	15	 	of 	 	15	
 	 	 	 	 	 	 	 	 	 	 	
 	 	 	EXHIBIT I	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	
 	 	 	JOINT FILING AGREEMENT	 	 	 	 	 	 	 	
This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the Class A Common Stock, par value $0.01 per share, of SemGroup Corporation, a Delaware corporation, will be filed on behalf of each of the persons and entities named below in accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

Dated: October 4, 2016

	
	
INTEGRATED CORE STRATEGIES (US) LLC

By: Integrated Holding Group LP,
       its Managing Member

By: Millennium Management LLC,
       its General Partner	
	
By: /s/ David Nolan	
Name: David Nolan
Title:  Vice Chairman
 	
ICS OPPORTUNITIES, LTD.

By: Millennium International Management LP,
       its Investment Manager	
	
By: /s/ David Nolan	
Name: David Nolan
Title:  Vice Chairman
 	
INTEGRATED ASSETS, LTD.

By: Millennium International Management LP,
       its Investment Manager	
	
By: /s/ David Nolan	
Name: David Nolan
Title:  Vice Chairman
 	
MILLENNIUM INTERNATIONAL MANAGEMENT LP	
	
By: /s/David Nolan	
Name: David Nolan
Title:  Vice Chairman
 	
MILLENNIUM INTERNATIONAL MANAGEMENT GP LLC	
	
By: /s/David Nolan	
Name: David Nolan
Title:  Vice Chairman
 	
MILLENNIUM MANAGEMENT LLC	
	
By: /s/David Nolan	
Name: David Nolan
Title:  Vice Chairman

/s/ Israel A. Englander by David Nolan
pursuant to Power of Attorney filed with
the SEC on June 6, 2005	
Israel A. Englander