Form 13-F position report

MAGELLAN HEALTH INC COM STK (D

Reported by D E Shaw & Co Inc

MGLN CUSIP 559079207 Manager CIK 0001009207

Reported 40,458 shares, down 23,978 (37.2%) from the prior quarter.

Reported value -36.9%; share count -37.2% vs. the prior quarter.

Reduced
% of reported 13F value < 0.01% This manager · Q4 2021
Shares 40,458 Quarter-end amount reported
Reported value $3,843,000 Fair value at quarter end
Consecutive quarters held 35 Through Q4 2021

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2021-09-30 6092000
2021-12-31 3843000
2022-03-31 0

Quarterly position history

How this manager's reported quarter-end position changed over time.

3 quarters
Quarterly reported position history for MAGELLAN HEALTH INC COM STK (D held by D E Shaw & Co Inc.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q1 2022 Reduced 0 -40,458 (-100.0%) 0 $0 2022-05-16
Q4 2021 Reduced 40,458 -23,978 (-37.2%) < 0.01% $3,843,000 2022-02-14
Q3 2021 Reduced 64,436 -43,077 (-40.1%) < 0.01% $6,092,000 2021-11-15
Five years are shown. A free account unlocks the complete reported history. Unlock full history

Who else reported the position

192 managers reported MAGELLAN HEALTH INC COM STK (D for Q4 2021.

Managers reporting MAGELLAN HEALTH INC COM STK (D in Q4 2021.
Manager Activity Shares Change % of reported 13F Reported value Tenure
BlackRock Inc Added 3,869,449 +108,841 < 0.01% $367,558,000 35 qtrs
VANGUARD GROUP INC Added 2,538,109 +90,916 < 0.01% $241,095,000 35 qtrs
Starboard Value LP Unchanged 2,369,100 0 3.12% $225,041,000 13 qtrs
UBS OCONNOR LLC Added 1,743,181 +513,523 1.59% $165,288,000 4 qtrs
DIMENSIONAL FUND ADVISORS LP Reduced 1,268,631 -158,517 0.04% $120,507,000 35 qtrs
Magnetar Financial LLC Added 1,242,098 +26,276 1.18% $117,987,000 4 qtrs
MORGAN STANLEY Added 1,195,957 +23,884 0.01% $113,604,000 35 qtrs
STATE STREET CORPORATION Added 900,835 +7,923 < 0.01% $85,570,000 35 qtrs
ALPINE ASSOCIATES MANAGEMENT INC Added 770,500 +12,200 2.74% $73,192,000 4 qtrs
Versor Investments LP Reduced 734,777 -59,982 2.11% $69,796,000 4 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
December 31, 2021
Filed
February 14, 2022
Filing type
13F-HR
Position type
COM NEW

Voting authority reported

Sole
40,458
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.