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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 %
EGM
1026
Engineers Gate Manager
New York
– – -3,462 Closed
NFC
1027
Northeast Financial Consultants
Connecticut
– – -3,039 Closed
PP
1028
PDT Partners
New York
– – -3,039 Closed
ETH
1029
Exos TFP Holdings
New York
– – -2,995 Closed
HS
1030
HighVista Strategies
Massachusetts
– – -2,743 Closed
LOAMS
1031
Lombard Odier Asset Management (Switzerland)
Switzerland
– – -2,686 Closed
YIH
1032
Y-Intercept (HK)
Hong Kong
– – -2,573 Closed
BSG
1033
Black Swift Group
Colorado
– – -2,500 Closed
PSC
1034
Portman Square Capital
United Kingdom
– – -2,361 Closed
Voloridge Investment Management
1035
Voloridge Investment Management
Florida
– – -1,890 Closed
SCP
1036
Sender Company & Partners
New York
– – -1,796 Closed
SC
1037
Shay Capital
New York
– – -1,756 Closed
IA
1038
IFG Advisory
Georgia
– – -1,686 Closed
E
1039
Ergoteles
New York
– – -1,632 Closed
AAS
1040
Ameritas Advisory Services
Nebraska
– – -1,577 Closed
MCM
1041
Moore Capital Management
New York
– – -1,500 Closed
ALAM
1042
Asahi Life Asset Management
Japan
– – -1,310 Closed
BAM
1043
Belpointe Asset Management
Nevada
– – -1,160 Closed
TL
1044
Tradewinds LLC
North Carolina
– – -1,146 Closed
BL
1045
Balentine LLC
Georgia
– – -1,145 Closed
PL
1046
Perpetual Ltd
Australia
– – -1,129 Closed
XS
1047
XR Securities
Illinois
– – -1,122 Closed
DT
1048
Diversified Trust
Tennessee
– – -1,103 Closed
CC
1049
Cipher Capital
New York
– – -1,082 Closed
ACM
1050
Acrisure Capital Management
Texas
– – -1,036 Closed
40 41
42
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