UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
 
SCHEDULE 13G
 
Under the Securities Exchange Act of 1934
(Amendment No. )*

SeaWorld Entertainment, Inc.

(Name of Issuer)	
 
Common Stock, par value $0.01 per share

(Title of Class of Securities)	
 
81282V100

(CUSIP Number)	

December 31, 2017	
(Date of Event Which Requires Filing of this Statement)	
 
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

x  Rule 13d-1(b)

o  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.  81282V100	  SCHEDULE 13G	Page 2 of 6 Pages	

1	NAME OF REPORTING PERSONS

Walleye Trading, LLC

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) o
(b) o	 	
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
 
6,233,824
	
	6	SHARED VOTING POWER
 
0	
	7	SOLE DISPOSITIVE POWER
 
6,233,824
	
	8	SHARED DISPOSITIVE POWER
 
0	
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

6,233,824	
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
 
 	o	
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
6.8%	
12	TYPE OF REPORTING PERSON
 
BD	

 
 
CUSIP No. 81282V100	  SCHEDULE 13G	Page 3 of  6 Pages	

Item 1.		(a) Name of Issuer	

SeaWorld Entertainment, Inc.

Item 1. 		(b) Address of Issuer’s Principal Executive Offices	

9205 South Park Center Loop, Suite 400
Orlando, Florida 32819

Item 2.		(a, b, c) Names of Person Filing, Address of Principal Business Office, Citizenship:	

Walleye Trading, LLC, a Delaware limited liability company, 2800 Niagara Lane N, Plymouth, MN 55447.

  

Item 2.		(d) Title of Class of Securities	

Common Stock, par value $0.01 per share

Item 2.		(e) CUSIP No.:	

81282V100

CUSIP No.  81282V100	  SCHEDULE 13G	Page 4 of 6 Pages	

 	

Item 3. If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:	

 	(a)	x	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);	
 		
 	(b)	¨	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);	
 		
 	(c)	¨	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);	
 		
 	(d)	¨	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)	¨	An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);	
 		
 	(g)	¨	A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);	
 		
 	(h)	¨	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);	
 		
 	(i)	¨	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)	¨	A non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J);	

 	(k)	¨	A group, in accordance with §240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution:                             	

 

CUSIP No. 81282V100	  SCHEDULE 13G	Page 5 of 6 Pages	

Item 4. Ownership

Information with respect to the Reporting Person’s ownership of the Common Stock as of December 31, 2017, is incorporated by reference to items (5) - (9) and (11) of the cover page for the Reporting Person.
The Reporting Person may be deemed to be the beneficial owner of 6,233,824 shares of common stock, which includes 1,002,600 shares of common stock if 10,026 options were exercised. The percentage of beneficial ownership herein is determined by dividing the number of shares beneficially owned by Walleye Trading, LLC, 6,233,824, by 91,439,052, the number of shares outstanding, 90,436,452, plus 1,002,600 the number of shares that could be acquired if certain options were exercised.

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 [ ].
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 or Control Person

Not Applicable.

Item 8. Identification and Classification of Members of the Group

Not Applicable.

Item 9. Notice of Dissolution of Group  
Not Applicable.

Item 10. Certification

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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. 81282V100	  SCHEDULE 13G	Page 6 of 6 Pages	

SIGNATURE
 
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
 
Dated: February 5, 2018

 

 

		
 	Walleye Trading, LLC

 	By:	  /s/ Mark Tusler	
 	 	Mark Tusler, Chief Financial Officer