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Biogen
BIIB

Overview Fund Activity

956 hedge funds and large institutions have $32B invested in Biogen in 2023 Q3 according to their latest regulatory filings, with 91 funds opening new positions, 331 increasing their positions, 342 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
956
Holders Change
-43
Holders Change %
-4.3%
% of All Funds
15.24%
Holding in Top 10
14
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-22.22%
% of All Funds
0.22%
New
91
Increased
331
Reduced
342
Closed
118
Calls
$575M
Puts
$517M
Net Calls
+$57.3M
Net Calls Change
+$102M

Top Buyers

1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$1.22B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.28B
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$115M
4
VanEck Associates
VanEck Associates
New York
$306M
5
Macquarie Group
Macquarie Group
Australia
$70.2M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$350M
2
LAM
L2 Asset Management
Massachusetts
$2.29M
3
FCM
Farallon Capital Management
California
$0
4
Point72 Asset Management
Point72 Asset Management
Connecticut
$12.4M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
$71.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
SGH
976
Sivik Global Healthcare
Connecticut
– -$2.85M -10,000 Closed
VF
977
Virtu Financial
New York
– -$2.79M -9,785 Closed
SBH
978
Segall Bryant & Hamill
Illinois
– -$2.58M -9,051 Closed
Caisse de Depot et Placement du Quebec (CDPQ)
979
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
– -$2.33M -8,185 Closed
Rockefeller Capital Management
980
Rockefeller Capital Management
New York
– -$2.28M -8,019 Closed
FBC
981
Fairfield, Bush & Co
Connecticut
– -$1.99M -7,000 Closed
Walleye Trading
982
Walleye Trading
New York
– -$1.94M -6,800 Closed
GSC
983
G&S Capital
Colorado
– -$1.94M -6,800 Closed
CF
984
Copperwynd Financial
Arizona
– -$1.78M -6,250 Closed
WP
985
Waycross Partners
Kentucky
– -$1.71M -6,000 Closed
FC
986
FORA Capital
Florida
– -$1.68M -5,903 Closed
VIA
987
Vident Investment Advisory
Georgia
– -$1.59M -5,594 Closed
Marshall Wace
988
Marshall Wace
United Kingdom
– -$1.44M -5,055 Closed
AP
989
Arlington Partners
Alabama
– -$1.43M -5,025 Closed
HVM
990
Harvest Volatility Management
Connecticut
– -$1.27M -4,461 Closed
V
991
Veritable
Delaware
– -$1.22M -4,295 Closed
SIP
992
Stoneridge Investment Partners
Pennsylvania
– -$1.19M -4,160 Closed
HF
993
HRT Financial
New York
– -$1.11M -3,896 Closed
Holocene Advisors
994
Holocene Advisors
New York
– -$1.08M -3,791 Closed
IFU
995
iSAM Funds (UK)
United Kingdom
– -$969K -3,402 Closed
BOH
996
Bank of Hawaii
Hawaii
– -$966K -3,390 Closed
MFS
997
Monetta Financial Services
Illinois
– -$940K -3,300 Closed
APM
998
Advanced Portfolio Management
New York
– -$897K -3,149 Closed
SAM
999
Simplify Asset Management
Nevada
– -$851K -2,989 Closed
Nomura Holdings
1000
Nomura Holdings
Japan
– -$789K -2,769 Closed
38 39
40
41 42