(Amendment No. )*
Note: Schedules filed in paper format
shall include a signed original and five copies of the schedule, including all exhibits. See Rule 240.13d-7(b) for other parties
to whom copies are to be sent.
*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 disclosures provided in a prior cover page.
The information required on 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. 559079207
|
SCHEDULE
13D
|
Page
2 of 10
|
|
1.
|
NAME OF REPORTING PERSON:
Magnetar Financial LLC
|
|
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF
A GROUP
(a) ¨
(b) x
|
|
3.
|
SEC USE ONLY
|
|
4.
|
SOURCE OF FUNDS
OO
|
|
5.
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR
2(e) ¨
|
|
6.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
|
NUMBER OF
SHARES
|
7.
|
SOLE
VOTING POWER
0
|
|
BENEFICIALLY
OWNED BY
|
8.
|
SHARED
VOTING POWER
1,373,642
|
|
EACH REPORTING
PERSON
|
9.
|
SOLE
DISPOSITIVE POWER
0
|
|
WITH
|
10.
|
SHARED
DISPOSITIVE POWER
1,373,642
|
|
11.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,373,642
|
|
12.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
|
13.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
5.31%
|
|
14.
|
TYPE
OF REPORTING PERSON
IA;
OO
|
|
CUSIP
No. 559079207
|
SCHEDULE
13D
|
Page
3 of 10
|
|
1.
|
NAME OF REPORTING PERSON:
Magnetar Capital Partners
LP
|
|
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF
A GROUP
(a) ¨
(b) x
|
|
3.
|
SEC USE ONLY
|
|
4.
|
SOURCE OF FUNDS
OO
|
|
5.
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR
2(e) ¨
|
|
6.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
|
NUMBER
OF
SHARES
|
7.
|
SOLE
VOTING POWER
0
|
|
BENEFICIALLY
OWNED BY
|
8.
|
SHARED
VOTING POWER
1,373,642
|
|
EACH REPORTING
PERSON
|
9.
|
SOLE
DISPOSITIVE POWER
0
|
|
WITH
|
10.
|
SHARED
DISPOSITIVE POWER
1,373,642
|
|
11.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,373,642
|
|
12.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
¨
|
|
13.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
5.31%
|
|
14.
|
TYPE
OF REPORTING PERSON
HC;
OO
|
|
CUSIP
No. 559079207
|
SCHEDULE
13D
|
Page
4 of 10
|
|
1.
|
NAME OF REPORTING PERSON:
Supernova Management LLC
|
|
2.
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF
A GROUP
(a) ¨
(b) x
|
|
3.
|
SEC USE ONLY
|
|
4.
|
SOURCE OF FUNDS
OO
|
|
5.
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR
2(e) ¨
|
|
6.
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
|
|
NUMBER
OF
SHARES
|
7.
|
SOLE
VOTING POWER
0
|
|
BENEFICIALLY
OWNED BY
|
8.
|
SHARED
VOTING POWER
1,373,642
|
|
EACH REPORTING
PERSON
|
9.
|
SOLE
DISPOSITIVE POWER
0
|
|
WITH
|
10.
|
SHARED
DISPOSITIVE POWER
1,373,642
|
|
11.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,373,642
|
|
12.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
¨
|
|
13.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
5.31%
|
|
14.
|
TYPE
OF REPORTING PERSON
HC;
OO
|
|
CUSIP
No. 559079207
|
SCHEDULE
13D
|
Page
5 of 10
|
|
1.
|
NAME
OF REPORTING PERSON:
Alec N. Litowitz
|
|
2.
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ¨
(b) x
|
|
3.
|
SEC
USE ONLY
|
|
4.
|
SOURCE
OF FUNDS
OO
|
|
5.
|
CHECK
BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) ¨
|
|
6.
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
United States of America
|
|
NUMBER OF
SHARES
|
7.
|
SOLE
VOTING POWER
0
|
|
BENEFICIALLY
OWNED BY
|
8.
|
SHARED
VOTING POWER
1,373,642
|
|
EACH REPORTING
PERSON
|
9.
|
SOLE
DISPOSITIVE POWER
0
|
|
WITH
|
10.
|
SHARED
DISPOSITIVE POWER
1,373,642
|
|
11.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,373,642
|
|
12.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
¨
|
|
13.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
5.31%
|
|
14.
|
TYPE
OF REPORTING PERSON
HC;
IN
|
SCHEDULE
13D
|
item 1.
|
security
and issuer
|
This
Schedule 13D (this “Statement”) relates to the common stock, par value $0.01 (the “Shares”),
of Magellan Health, Inc., a company incorporated in Delaware (the “Company”). The principal executive offices
of the Company is 4801 E. Washington Street, Phoenix, AZ, 85034, United States.
|
Item 2.
|
identity
and background
|
(a) The
persons filing this Statement are Magnetar Financial LLC, a Delaware limited liability company (“Magnetar Financial”),
Magnetar Capital Partners LP, a Delaware limited partnership (“Magnetar Capital Partners”), Supernova Management
LLC, a Delaware limited liability company (“Supernova Management”), and Alec N. Litowitz (“Mr. Litowitz”)
(collectively, the “Reporting Persons”).
This Statement relates
to Shares held for the accounts of each of (i) Magnetar PRA Master Fund Ltd, a Cayman Islands exempted company (“PRA Master
Fund”), (ii) Magnetar Constellation Fund II-PRA LP, a Delaware limited partnership (“Constellation Fund”), and
(iii) Magnetar Systematic Multi-Strategy Master Fund Ltd, a Cayman Islands exempted company, (“Systematic Master Fund”),
collectively (the “Funds”).
Magnetar Financial
is a Securities and Exchange Commission (“SEC”) registered investment adviser under Section 203 of the Investment
Advisers Act of 1940, as amended, and manager of investment funds and managed accounts. Magnetar Financial serves as investment
adviser to each of the Funds. In such capacity, Magnetar Financial exercises voting and investment power over the Shares held
for the accounts of each of the Funds. 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.
(b) The
business address of each of the Reporting Persons is 1603 Orrington Avenue, 13th Floor, Evanston, Illinois 60201.
(c) Each
of the Funds is a private investment fund; Magnetar Financial is a privately-held SEC registered investment adviser and manager
of investment funds and managed accounts; Magnetar Capital Partners is a privately-held limited partnership and serves as the
sole member and parent holding company of Magnetar Financial; Supernova Management is a privately-held limited liability company
and is the general partner of Magnetar Capital Partners; and Mr. Litowitz is a citizen of the United States of America, manager
of Supernova Management and Chief Executive Officer of Magnetar Financial.
(d) None
of the Reporting Persons has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations
or similar misdemeanors).
(e) None
of the Reporting Persons has, during the last five years, been a party to a civil proceeding of a judicial or administrative body
of competent jurisdiction as a result of which such Reporting Person was or is subject to a judgment, decree or final order enjoining
future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation
with respect to such laws.
(f) Magnetar
Financial is a Delaware limited liability company. Magnetar Capital Partners is a Delaware limited partnership. Supernova Management
is a Delaware limited liability company. Mr. Litowitz is a citizen of the United States of America.
|
Item 3.
|
source
and amount of funds or other consideration
|
The aggregate amount of funds used by the
Reporting Persons in purchasing the 1,373,642 Shares reported herein on behalf of the Funds have come directly from the assets
of the Funds, which may at any given time, have included margin loans made by brokerage firms in the ordinary course of business.
The aggregate amount of funds used by the Reporting Persons in purchasing the Shares on behalf of the Funds was $129,082,992 (excluding
commissions and other execution-related costs).
|
ITEM 4.
|
PURPOSE
OF TRANSACTION
|
The Reporting Persons
acquired the 1,373,642 Shares reported herein on behalf of the Funds after the public announcement of the Merger Agreement (as
defined below) for purposes of receiving the merger consideration described below upon consummation of the Merger (as described
below).
The 6,295 Shares reported
herein were acquired in the ordinary course of business on behalf of certain clients of Magnetar Financial in an another strategy
unrelated to risk arbitrage to cover its short positions described in Item 6.
Each of the Reporting
Persons reserves the right to acquire additional securities of the Company in the open market, in privately negotiated transactions,
or otherwise, to dispose of all or a portion of the Shares and/or other securities reported in this Statement, or to change their
intention with respect to any or all of the matters referred to in this Item 4.
Other than as described
above in this Item 4, the Reporting Persons do not have any plans or proposals that relate to, or would result in, any actions
or events specified in clauses (a) through (j) of Item 4 to Schedule 13D.
|
ITEM 5.
|
INTEREST
IN SECURITIES OF THE ISSUER
|
The Company reported
in their Form 8-K filed on January 4, 2021 that 25,887,446 Shares were issued and outstanding as of December 28, 2020.
(a)
As of the close of business February 5, 2021, each of the Reporting Persons may have been deemed to have beneficial ownership
of 1,373,642 Shares, which consisted of (i) 555,796 Shares held for the benefit of PRA Master Fund, (ii) 682,563 Shares held for
the benefit of Constellation Fund; and (iii) 135,283 Shares held for the benefit of Systematic Master Fund, and all such Shares
represented beneficial ownership of approximately 5.31% of the Shares.
(b)
As of the close of business February 5, 2021, each of the Reporting Persons may have been deemed to share the power to
vote and direct the disposition of 1,373,642 Shares, which consisted of (i) 555,796 Shares held for the benefit of PRA Master
Fund, (ii) 682,563 Shares held for the benefit of Constellation Fund; and (iii) 135,283 Shares held for the benefit of Systematic
Master Fund, and all such Shares represented beneficial ownership of approximately 5.31% of the Shares.
(c)
Except as set forth on Schedule A attached hereto and Item 6, the Funds had no transactions in the Shares during
the 60 days preceding the date of filing of this Statement. All of the transactions set forth on Schedule A attached hereto
were effected in the ordinary course of business of Magnetar Financial for the accounts of each of the Funds. The transactions
in the Shares set forth on Schedule A were effected in open market transactions on NASDAQ and various other trading markets.
As disclosed by the Company in the Form
8-K filed with the SEC on January 4, 2021:
On
January 4, 2021, Magellan Health, Inc., a Delaware corporation (the “Company”), entered into an Agreement and Plan
of Merger (the “Merger Agreement”) with Centene Corporation, a Delaware corporation (“Centene”), and Mayflower
Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Centene (“Merger Sub”). Among other things,
the Merger Agreement provides, subject to the satisfaction or, where permissible, waiver of the conditions to closing set forth
therein, for the merger of Merger Sub with and into the Company (the “Merger”), with the Company continuing as
the surviving corporation of the Merger and a wholly owned subsidiary of Centene (the “Surviving Corporation”). Each
capitalized term used herein but not otherwise defined has the meaning given to it in the Merger Agreement.
On
the terms and subject to the conditions set forth in the Merger Agreement, at the effective time of the Merger (the “Effective
Time”), each share of common stock, par value $0.01 per share, of the Company (the “Company Common Stock”) issued
and outstanding immediately prior to the Effective Time (other than any shares of Company Common Stock owned by the Company, any
shares of Company Common Stock owned by Centene or Merger Sub, any shares of Company Common Stock as to which appraisal rights
have been properly exercised, and any shares of Company Common Stock underlying restricted stock awards of the Company) will be
automatically canceled and converted into the right to receive $95.00 in cash, without interest (the “Merger Consideration”).
(d) No
other person is known by the Reporting Persons to have the right to receive or the power to direct the receipt of dividends from,
or the proceeds from the sale of, any Shares that are beneficially owned by the Reporting Persons.
|
ITEM 6.
|
contracts,
arrangements, understandings or relationships with respect to the securities of the issuer
|
Pursuant to Rule 13d-1(k)(1)
promulgated under the Securities Exchange Act of 1934, as amended, the Reporting Persons have entered into an agreement with respect
to the joint filing of this Statement, and any amendment or amendments hereto.
A client of Magnetar
Financial has entered into a total return swap agreement giving it economic exposure to the Company.
Magnetar Asset Management
LLC (“Magnetar Asset Management”) is an SEC registered investment adviser and an affiliate of Magnetar Financial.
Magnetar Capital Partners serves as the sole member and parent holding company of Magnetar Asset Management. Certain clients of
Magnetar Asset Management have entered into total return swap agreements giving them economic exposure to the Company.
The 26,381 Shares
described herein that were sold short in the ordinary course of business on behalf of certain clients of Magnetar Financial in
an unrelated strategy to risk arbitrage, and they were obtained from prime brokers pursuant to customary securities lending agreements.
Except as otherwise
described herein, no contracts, arrangements, understandings or similar relationships exist with respect to the securities of
the Company among or between the Reporting Persons or any other person or entity.
|
ITEM 7.
|
|
MATERIAL
TO BE FILED AS EXHIBITS
|
|
|
|
|
|
Exhibit No.
|
|
Description
|
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 8, 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
|
|
|
magnetar capital partners LP
|
|
|
|
|
|
|
|
By:
|
/s/ Alec N. Litowitz
|
|
|
|
Name:
|
Alec N. Litowitz
|
|
|
|
Title:
|
Manager of Supernova Management LLC, the General Partner of Magnetar Capital Partners LP
|
|
|
supernova management llc
|
|
|
|
|
|
|
|
By:
|
/s/ Alec N. Litowitz
|
|
|
|
Name:
|
Alec N. Litowitz
|
|
|
|
Title:
|
Manager
|
|
|
|
|
|
|
|
/s/ Alec N. Litowitz
|
|
|
Alec N. Litowitz
|
SCHEDULE A
Funds
|
Date
|
Number
of Shares Bought
|
Price
Per Share($) (1)(2)
|
|
12/23/2020
|
79
|
81.53
|
|
12/28/2020
|
92
|
82.25
|
|
1/4/2021
|
354,510
|
93.21957(3)
|
|
1/4/2021
|
36,778
|
94.15478(4)
|
|
1/5/2021
|
105,498
|
94.29979(5)
|
|
1/6/2021
|
2,100
|
94.52286(6)
|
|
1/7/2021
|
6,373
|
94.51722(7)
|
|
1/8/2021
|
46,738
|
94.30645(8)
|
|
1/11/2021
|
28,704
|
94.34956(9)
|
|
1/12/2021
|
27,322
|
94.50156(10)
|
|
1/13/2021
|
29,000
|
94.48233(11)
|
|
1/14/2021
|
317,326
|
94.47578(12)
|
|
1/15/2021
|
21,937
|
94.46332(13)
|
|
1/19/2021
|
14,916
|
94.47966(14)
|
|
1/20/2021
|
30,059
|
94.44775(15)
|
|
1/21/2021
|
34,789
|
94.53152(16)
|
|
1/22/2021
|
29,132
|
94.53520(17)
|
|
1/25/2021
|
5,100
|
94.49903(18)
|
|
1/26/2021
|
38,355
|
94.54829(19)
|
|
1/27/2021
|
78,709
|
93.48357(20)
|
|
1/27/2021
|
16,891
|
94.40003(21)
|
|
1/28/2021
|
65,721
|
93.11958(22)
|
|
1/28/2021
|
6,422
|
93.87959(23)
|
|
1/29/2021
|
10,917
|
93.40299(24)
|
|
1/29/2021
|
35,783
|
94.17312(25)
|
|
2/1/2021
|
20,033
|
93.91264(26)
|
|
2/2/2021
|
16,653
|
93.77606(27)
|
(1)Excludes commissions and other execution-related
costs.
(2) Upon request by the staff of the Securities
and Exchange Commission, full information regarding the number of shares bought or sold (as the case may be) at each separate
price will be provided.
(3) Reflects a weighted average purchase
price of $93.21957 per share, at prices ranging from $92.9164 to $93.91 per share.
(4) Reflects a weighted average purchase
price of $94.15478 per share, at prices ranging from $93.93 to $94.23 per share.
(5) Reflects a weighted average purchase
price of $94.29979 per share, at prices ranging from $93.57 to $94.55 per share.
(6) Reflects a weighted average purchase
price of $94.52286 per share, at prices ranging from $94.50 to $94.54 per share.
(7) Reflects a weighted average purchase
price of $94.51722 per share, at prices ranging from $94.41 to $94.55 per share.
(8) Reflects a weighted average purchase
price of $94.30645 per share, at prices ranging from $93.91 to $94.55 per share.
(9) Reflects a weighted average purchase
price of $94.34956 per share, at prices ranging from $94.91 to $94.55 per share.
(10) Reflects a weighted average purchase
price of $94.50156 per share, at prices ranging from $94.30 to $94.55 per share.
(11) Reflects a weighted average purchase
price of $94.48233 per share, at prices ranging from $94.36 to $94.55 per share.
(12) Reflects a weighted average purchase
price of $94.47578 per share, at prices ranging from $94.36 to $94.55 per share.
(13) Reflects a weighted average purchase
price of $94.46332 per share, at prices ranging from $94.35 to $94.55 per share.
(14) Reflects a weighted average purchase
price of $94.47966 per share, at prices ranging from $94.41 to $94.55 per share.
(15) Reflects a weighted average purchase
price of $94.44775 per share, at prices ranging from $94.385 to $94.54 per share.
(16) Reflects a weighted average purchase
price of $94.53152 per share, at prices ranging from $94.5315 to $94.54 per share.
(17) Reflects a weighted average purchase
price of $94.53520 per share, at prices ranging from $94.49 to $94.55 per share.
(18) Reflects a weighted average purchase
price of $94.49903 per share, at prices ranging from $94.405 to $94.55 per share.
(19) Reflects a weighted average purchase
price of $94.54829 per share, at prices ranging from $94.535 to $94.55 per share.
(20) Reflects a weighted average purchase
price of $93.48357 per share, at prices ranging from $93.03 to $94.03 per share.
(21) Reflects a weighted average purchase
price of $93.40003 per share, at prices ranging from $94.21 to $94.55 per share.
(22) Reflects a weighted average purchase
price of $93.11958 per share, at prices ranging from $92.63 to $93.54 per share.
(23) Reflects a weighted average purchase
price of $93.87959 per share, at prices ranging from $93.66 to $94.00 per share.
(24) Reflects a weighted average purchase
price of $93.40299 per share, at prices ranging from $92.88 to $93.88 per share.
(25) Reflects a weighted average purchase
price of $94.17312 per share, at prices ranging from $93.89 to $94.53 per share.
(26) Reflects a weighted average purchase
price of $93.91264 per share, at prices ranging from $93.60 to $94.36 per share.
(27) Reflects a weighted average purchase
price of $93.77606 per share, at prices ranging from $93.57 to $94.27 per share.
Funds
|
Date
|
Number
of Shares Sold
|
Price
Per Share($) (1)(2)
|
|
12/22/2020
|
3,811
|
80.01729(3)
|
|
12/23/2020
|
5,000
|
81.80559(4)
|
|
12/28/2020
|
5,000
|
82.16585(5)
|
|
12/30/2020
|
5,181
|
82.58460(6)
|
|
12/31/2020
|
5,000
|
83.06760(7)
|
|
1/8/2021
|
2,332
|
94.34601(8)
|
|
2/1/2021
|
57
|
93.67
|
(1)Excludes commissions and other execution-related
costs.
(2) Upon request by the staff of the Securities
and Exchange Commission, full information regarding the number of shares bought or sold (as the case may be) at each separate
price will be provided.
(3) Reflects a weighted average sale price
of $80.01729 per share, at prices ranging from $79.96 to $80.075 per share.
(4) Reflects a weighted average sale price
of $81.80559 per share, at prices ranging from $81.69 to $81.888 per share.
(5) Reflects a weighted average sale price
of $82.16585 per share, at prices ranging from $82.14 to $82.22 per share.
(6) Reflects a weighted average sale price
of $82.58460 per share, at prices ranging from $82.21 to $83.00 per share.
(7) Reflects a weighted average sale price
of $83.06760 per share, at prices ranging from $83.06 to $83.17 per share.
(8) Reflects a weighted average sale price
of $94.34601 per share, at prices ranging from $94.00 to $94.63 per share.
EXHIBIT INDEX