Changyou.com (CYOU) SC 13G/A Changyou.com Ltd

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 1)*

CHANGYOU.COM LIMITED

 (Name of Issuer)

Class A Ordinary Shares, par value $0.01 per share

 (Title of Class of Securities)

15911M107**

 (CUSIP Number)

December 31, 2018

 (Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

[   ]Rule 13d-1(b)

[ X ]Rule 13d-1(c)

[   ]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 Class A Ordinary Shares have no CUSIP number. The CUSIP number for the Issuer’s American Depositary Shares, each representing two Class A Ordinary Shares, is 15911M107.

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).

Continued on following pages

Page 1 of 7 Pages

SCHEDULE 13G
CUSIP No. 15911M107	Page 2 of 7 Pages

1	NAMES OF REPORTING PERSONS
	GLG PARTNERS LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	United Kingdom
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			1,902,510
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			1,902,510
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,902,510
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	5.40%
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	PN

SCHEDULE 13G
CUSIP No. 15911M107	Page 3 of 7 Pages

1	NAMES OF REPORTING PERSONS
	MAN GROUP PLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	United Kingdom
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			2,785,784
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			2,785,784
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	2,785,784
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	7.91%
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO, HC

SCHEDULE 13G
	Page 4 of 7 Pages

Item 1(a). Name of Issuer:

Changyou.com Limited (the “Issuer”)

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

Changyou Creative Industrial Park, 65 Bajiao East Road, Shijingshan District, Beijing 100043, People’s Republic of China

Item 2(a). Name of Person Filing

This Statement is filed on behalf of each of the following persons (collectively, the “Reporting Persons”):

(i) GLG Partners LP (the “Investment Manager”); and

(ii) Man Group plc (the “Parent Company”).

This Statement relates to Shares (as defined herein) held by certain funds and/or managed accounts to which the Investment Manager serves as investment manager (collectively, the “GLG Funds”) and Shares held by certain funds and/or managed accounts to which Numeric Investors LLC (the “Additional Investment Manager”) serves as investment manager (collectively, the “Numeric Funds” and, together with the GLG Funds, the “Funds”).  Parent Company indirectly, through various intermediate entities, controls the Investment Manager and the Additional Investment Manager.

Item 2(b). Address of Principal Business Office or, if None, Residence:

The address of the principal business office of the Investment Manager and the Parent Company is Riverbank House, 2 Swan Lane, London EC4R 3AD, United Kingdom.

Item 2(c). Citizenship:

The Investment Manager is a United Kingdom limited partnership.  The Parent Company is a United Kingdom public limited company.

Item 2(d). Title of Class of Securities:

Class A Ordinary Shares, par value $0.01 per share (the “Shares”)

Item 2(e). CUSIP Number:

15911M107

The Class A Ordinary Shares have no CUSIP number. The CUSIP number for the Issuer’s American Depositary Shares, each representing two Class A Ordinary Shares, is 15911M107.

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:

This Item 3 is not applicable.

SCHEDULE 13G
	Page 5 of 7 Pages

Item 4. Ownership:

Item 4(a) Amount Beneficially Owned:

As of December 31, 2018, the Investment Manager may be deemed to be the beneficial owner of 1,902,510 Shares held by the GLG Funds.

As of December 31, 2018, the Parent Company may be deemed to be the beneficial owner of 2,785,784 Shares. This amount consists of: (A) 1,902,510 Shares held by the GLG Funds; and (B) 883,274 Shares held by the Numeric Funds.  The Parent Company hereby disclaims any beneficial ownership of any such Shares.

Item 4(b) Percent of Class:

As of December 31, 2018, the Investment Manager may be deemed the beneficial owner of approximately 5.40% of Shares outstanding, and the Parent Company may be deemed the beneficial owner of approximately 7.91% of Shares outstanding.  (There were 35,225,420 Shares outstanding as of February 28, 2018, according to the Issuer’s Form 20-F filed on February 28, 2018.)

Item 4(c) Number of Shares as to which such person has:

GLG Partners LP
(i) Sole power to vote or direct the vote:	0
(ii) Shared power to vote or direct the vote:	1,902,510
(iii) Sole power to dispose or direct the disposition of:	0
(iv) Shared power to dispose or direct the disposition of:	1,902,510
Parent Company
(i) Sole power to vote or direct the vote:	0
(ii) Shared power to vote or direct the vote:	2,785,784
(iii) Sole power to dispose or direct the disposition of:	0
(iv) Shared power to dispose or direct the disposition of:	2,785,784

Item 5. Ownership of Five Percent or Less of a Class:

This Item 5 is not applicable.

Item 6. Ownership of More than Five Percent on Behalf of Another Person:

See disclosure in Items 2 and 4 hereof.  The Funds have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Shares covered by this Statement.

SCHEDULE 13G
	Page 6 of 7 Pages

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person:

See disclosure in Item 2 hereof.

Item 8. Identification and Classification of Members of the Group:

This Item 8 is not applicable.

Item 9. Notice of Dissolution of Group:

This Item 9 is not applicable.

Item 10. Certification:

By signing below each Reporting Person 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, other than activities solely in connection with a nomination under §240.14a-11.

Page 7 of 7 Pages

SIGNATURE

After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

GLG PARTNERS LP
By:	/s/ Katherine Squire
	Katherine Squire
	Chief Compliance Officer

MAN GROUP PLC
By:	/s/ Michelle Robyn Grew
	Michelle Robyn Grew
	Chief Administrative Officer

February 11, 2019