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Biogen
BIIB

Overview Fund Activity

999 hedge funds and large institutions have $36B invested in Biogen in 2023 Q2 according to their latest regulatory filings, with 97 funds opening new positions, 319 increasing their positions, 359 reducing their positions, and 83 closing their positions.

Holders
999
Holders Change
+8
Holders Change %
+0.81%
% of All Funds
15.76%
Holding in Top 10
18
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-5.26%
% of All Funds
0.28%
New
97
Increased
319
Reduced
359
Closed
83
Calls
$555M
Puts
$599M
Net Calls
-$44.6M
Net Calls Change
-$115M

Top Buyers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$968M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$752M
3
Amundi
3
Amundi
France
$339M
4
Alyeska Investment Group
4
Alyeska Investment Group
Illinois
$105M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$1.27B

Top Sellers

1
Envestnet Asset Management
1
Envestnet Asset Management
Illinois
$89.1M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$321M
3
Marshall Wace
3
Marshall Wace
United Kingdom
$1.44M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$241M
5
Millennium Management
5
Millennium Management
New York
$12.6M
Name Market Value Shares Shares
Change 		Shares
Change %
DTC
1001
Deep Track Capital
Connecticut
– – -200,000 Closed
EP
1002
Eversept Partners
New York
– – -153,774 Closed
SI
1003
Sofinnova Investments
California
– – -132,600 Closed
FP
1004
Foundry Partners
Minnesota
– – -64,753 Closed
Jennison Associates
1005
Jennison Associates
New York
– – -61,787 Closed
JGC
1006
J. Goldman & Co
New York
– – -40,636 Closed
IHAM
1007
Integral Health Asset Management
New York
– – -40,000 Closed
SIG
1008
Senator Investment Group
New York
– – -40,000 Closed
WEG
1009
World Equity Group
Illinois
– – -21,010 Closed
TC
1010
TwinBeech Capital
New York
– – -19,311 Closed
PHP
1011
Parkman Healthcare Partners
Connecticut
– – -17,920 Closed
SSA
1012
Schonfeld Strategic Advisors
New York
– – -15,106 Closed
TC
1013
Taika Capital
Florida
– – -14,305 Closed
JPMPWA
1014
J.P. Morgan Private Wealth Advisors
California
– – -11,353 Closed
CIBC World Market
1015
CIBC World Market
Ontario, Canada
– – -10,287 Closed
IAIM
1016
Industrial Alliance Investment Management
Quebec, Canada
– – -9,270 Closed
UOC
1017
UBS O'Connor
Illinois
– – -8,610 Closed
MCC
1018
Malaga Cove Capital
California
– – -7,624 Closed
EW
1019
Evoke Wealth
California
– – -7,069 Closed
PCMU
1020
Paragon Capital Management (Utah)
Utah
– – -6,715 Closed
MLL
1021
Moody Lynn & Lieberson
Massachusetts
– – -5,890 Closed
FP
1022
Factorial Partners
New York
– – -5,850 Closed
Wealth Enhancement Advisory Services
1023
Wealth Enhancement Advisory Services
Minnesota
– – -5,164 Closed
DA
1024
DCF Advisers
Connecticut
– – -4,900 Closed
LOAME
1025
Lombard Odier Asset Management (Europe)
United Kingdom
– – -4,205 Closed
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