Check the appropriate box to designate the rule pursuant
to which this Schedule is filed:
* 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).
|
|
1
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NAMES
OF REPORTING PERSONS
|
|
MAGNETAR FINANCIAL
LLC
|
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
|
(a) ¨
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(b) ¨
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3
|
SEC
USE ONLY
|
|
|
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
|
|
Delaware
|
|
5
|
SOLE
VOTING POWER
|
|
0
|
NUMBER
OF
|
|
SHARES
|
6
|
SHARED
VOTING POWER
|
BENEFICIALLY
|
35,748,476
|
OWNED
BY
|
|
EACH
|
7
|
SOLE
DISPOSITIVE POWER
|
REPORTING
|
0
|
PERSON
|
|
WITH:
|
8
|
SHARED
DISPOSITIVE POWER
|
|
35,748,476
|
|
|
9
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AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
|
35,748,476
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10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
|
|
¨
|
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
|
|
5.41%
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12
|
TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
|
|
IA, OO
|
|
|
1
|
NAMES
OF REPORTING PERSONS
|
|
MAGNETAR CAPITAL
PARTNERS LP
|
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
|
(a) ¨
|
(b) ¨
|
3
|
SEC
USE ONLY
|
|
|
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
|
|
Delaware
|
|
5
|
SOLE
VOTING POWER
|
|
0
|
NUMBER
OF
|
|
SHARES
|
6
|
SHARED
VOTING POWER
|
BENEFICIALLY
|
35,748,476
|
OWNED
BY
|
|
EACH
|
7
|
SOLE
DISPOSITIVE POWER
|
REPORTING
|
0
|
PERSON
|
|
WITH:
|
8
|
SHARED
DISPOSITIVE POWER
|
|
35,748,476
|
|
|
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
|
35,748,476
|
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
|
|
¨
|
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
|
|
5.41%
|
12
|
TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
|
|
HC, PN
|
|
|
1
|
NAMES
OF REPORTING PERSONS
|
|
SUPERNOVA MANAGEMENT
LLC
|
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
|
(a) ¨
|
(b) ¨
|
3
|
SEC
USE ONLY
|
|
|
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
|
|
Delaware
|
|
5
|
SOLE
VOTING POWER
|
|
0
|
NUMBER
OF
|
|
SHARES
|
6
|
SHARED
VOTING POWER
|
BENEFICIALLY
|
35,748,476
|
OWNED
BY
|
|
EACH
|
7
|
SOLE
DISPOSITIVE POWER
|
REPORTING
|
0
|
PERSON
|
|
WITH:
|
8
|
SHARED
DISPOSITIVE POWER
|
|
35,748,476
|
|
|
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
|
35,748,476
|
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
|
|
¨
|
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
|
|
5.41%
|
12
|
TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
|
|
HC, OO
|
|
|
1
|
NAMES
OF REPORTING PERSONS
|
|
ALEC N. LITOWITZ
|
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
|
(a) ¨
|
(b) ¨
|
3
|
SEC
USE ONLY
|
|
|
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
|
|
United States of America
|
|
5
|
SOLE
VOTING POWER
|
|
0
|
NUMBER
OF
|
|
SHARES
|
6
|
SHARED
VOTING POWER
|
BENEFICIALLY
|
35,748,476
|
OWNED
BY
|
|
EACH
|
7
|
SOLE
DISPOSITIVE POWER
|
REPORTING
|
0
|
PERSON
|
|
WITH:
|
8
|
SHARED
DISPOSITIVE POWER
|
|
35,748,476
|
|
|
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
|
|
35,748,476
|
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
|
|
¨
|
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
|
|
5.41%
|
12
|
TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
|
|
HC, IN
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SCHEDULE 13G
|
Item 1(a)
|
Name of Issuer.
|
MultiPlan Corporation (the “Issuer”)
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Item 1(b)
|
Address of Issuer’s Principal Executive Offices.
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1545 Courtney Ave
Los Angeles, CA 90046
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Item 2(a)
|
Name of Person Filing.
|
This statement is filed on behalf
of each of the following person (collectively, the “Reporting Persons”):
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i)
|
Magnetar Financial LLC (“Magnetar Financial”);
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|
ii)
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Magnetar Capital Partners LP (Magnetar Capital Partners”);
|
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iii)
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Supernova Management LLC (“Supernova Management”); and
|
|
iv)
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Alec N. Litowitz (“Mr. Litowitz”).
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This statement relates to the Shares(as defined herein) held
for Magnetar Constellation Master Fund, Ltd (“Constellation Master Fund”), Magnetar Constellation Fund II, Ltd (“Constellation
Fund”), Magnetar Xing He Master Fund Ltd (“Xing He Master Fund”), Magnetar SC Fund Ltd (“SC Fund”),
Magnetar Capital Master Fund Ltd (“Master Fund”), Purpose Alternative Credit Fund Ltd (“Purpose Fund”),
all Cayman Islands exempted companies; Magnetar Structured Credit Fund, LP, (“Structured Credit Fund”), Magnetar Longhorn
Fund LP (“Longhorn Fund”), both Delaware limited partnerships; Magnetar Lake Credit Fund LLC (“Lake Credit Fund)
and Purpose Alternative Credit Fund – T LLC (“Purpose Fund – T”), Delaware limited liability companies;
a certain Managed Account; collectively (the “Magnetar Funds and Account”). Magnetar Financial serves as the investment
adviser to the Magnetar Funds and Account, and as such, Magnetar Financial exercises voting and investment power over the Shares
held for the Magnetar Funds and Account’ accounts. Magnetar Capital Partners serves as the sole member and parent holding
company of Magnetar Financial. Supernova Management is the general partner of Magnetar Capital Partners. The manager of Supernova
Management is Mr. Litowitz.
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Item 2(b)
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Address of Principal Business Office.
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The address of the principal business office
of each of Magnetar Financial, Magnetar Capital Partners, Supernova Management, and Mr. Litowitz is 1603 Orrington Avenue,
13th Floor, Evanston, Illinois 60201.
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Item 2(c)
|
Place of Organization.
|
|
i)
|
Magnetar Financial is a Delaware limited liability company;
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ii)
|
Magnetar Capital Partners is a Delaware limited partnership;
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|
iii)
|
Supernova Management is a Delaware limited liability company; and
|
|
iv)
|
Mr. Litowitz is a citizen of the United States of America.
|
|
Item 2(d)
|
Title of Class of Securities.
|
Shares of Class A
common stock, $0.0001 par value per share
62548M100
(e) x
An investment adviser in accordance with §240.13d–1(b)(1)(ii)(E)
(g) x
A parent holding company or control person in accordance with §240.13d–1(b)(1)(ii)(G)
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Item 4(a)
|
Amount Beneficially Owned:
|
As of December 31,
2020, each of Magnetar Financial, Magnetar Capital Partners, Supernova Management and Mr. Litowitz held 35,748,476 Shares.
The amount consists of (A) 12,509,770 Shares held for the account of Constellation Master Fund; (B) 230,769 Shares held
for the account of Master Fund; (C) 4,833,562 Shares held for the account of Xing He Master Fund; (D) 3,989,642 Shares
held for the account of Constellation Fund; (E) 4,182,005 Shares held for the account of SC Fund; (F) 4,038,111 Shares
held for the account of Structured Credit Fund; (G) 1,793,077 Shares held for the account of Longhorn Fund; (H) 769,231
Shares held for the account of Lake Credit Fund; (I) 986,154 Shares held for the account of Purpose Fund: (J) 493,077
Shares held of the account of Purpose Fund – T.; and (K) 1,923,078 Shares held for the account of the Managed Account.
The Shares held by the Magnetar Funds and Account represent approximately 5.41% of the total number of Shares outstanding (calculated
pursuant to Rule 13d-3(d)(1)(i)) of the outstanding Shares of the Issuer).
|
Item 4(b)
|
Percent of Class:
|
(i) As of December 31, 2020, each
of Reporting Persons were deemed to be the beneficial owner constituting approximately 5.41% of the total number of Shares outstanding
(based upon the information provided by the Issuer in its Prospectus Supplement No. 2 filed with the SEC on January 4,
2021, there were approximately 660,612,440 Shares outstanding as of January 4, 2021which include 24,230,777 Shares that would
result from converting certain convertible bonds and 2,631,663 Shares that would result from exercising certain Warrants that are
immediately convertible and exercisable at the option of the holder).
Item4(c) Number
of Shares of which such person has:
Magnetar Financial, Magnetar Capital
Partners, Supernova Management, and Mr. Litowitz:
(i)
|
Sole power to vote or to direct the vote:
|
0
|
(ii)
|
Shared power to vote or to direct the vote :
|
35,748,476
|
(iii)
|
Sole power to dispose or to direct the disposition of:
|
0
|
(iv)
|
Shared power to dispose or to direct the disposition of:
|
35,748,476
|
|
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 5 percent of the class
of securities, check the following ¨.
|
Item 6
|
Ownership of More Than Five Percent on Behalf of Another Person.
|
This Item 6 is not applicable.
|
Item 7
|
Identification and Classification of the Subsidiary which Acquired the Security Being Reported On by the Parent Holding
Company.
|
This Item 7 is not applicable.
|
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.
By signing below the
Reporting Persons certifies that, to the best of their 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.
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.
Date: February 14, 2021
|
magnetar financial llc
|
|
|
|
|
By:
|
Magnetar Capital Partners LP, its Sole Member
|
|
|
|
|
By:
|
/s/ Alec N. Litowitz
|
|
Name:
|
Alec N. Litowitz
|
|
Title:
|
Manager of Supernova Management LLC, the General Partner of Magnetar Capital Partners LP
|
Date: February 14, 2021
|
magnetar capital partners LP
|
|
|
|
|
By:
|
Supernova Management LLC, its General Partner
|
|
|
|
|
By:
|
/s/ Alec N. Litowitz
|
|
Name:
|
Alec N. Litowitz
|
|
Title:
|
Manager of Supernova Management LLC
|
Date: February 14, 2021
|
supernova management llc
|
|
|
|
|
By:
|
/s/ Alec N. Litowitz
|
|
Name:
|
Alec N. Litowitz
|
|
Title:
|
Manager
|
Date: February 14, 2021
|
/s/ Alec
N. Litowitz
|
|
Alec N. Litowitz
|
EXHIBIT INDEX
Ex.
|
|
|
A
|
Joint Filing Agreement
|
|
EXHIBIT A
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement
on Schedule 13G with respect to the Shares of MultiPlan Corporation dated as of December 31, 2020 is, and any amendments thereto
(including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and
in accordance with the previsions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.
Date: February 14, 2021
|
magnetar financial llc
|
|
|
|
|
By:
|
Magnetar Capital Partners LP, its Sole Member
|
|
|
|
|
By:
|
/s/ Alec N. Litowitz
|
|
Name:
|
Alec N. Litowitz
|
|
Title:
|
Manager of Supernova Management LLC, the General Partner of Magnetar Capital Partners LP
|
Date: February 14, 2021
|
magnetar capital partners LP
|
|
|
|
|
By:
|
Supernova Management LLC, its General Partner
|
|
|
|
|
By:
|
/s/ Alec N. Litowitz
|
|
Name:
|
Alec N. Litowitz
|
|
Title:
|
Manager of Supernova Management LLC
|
Date: February 14, 2021
|
supernova management llc
|
|
|
|
|
By:
|
/s/ Alec N. Litowitz
|
|
Name:
|
Alec N. Litowitz
|
|
Title:
|
Manager
|
Date: February 14, 2021
|
/s/ Alec
N. Litowitz
|
|
Alec N. Litowitz
|