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Biogen
BIIB

Overview Fund Activity

860 hedge funds and large institutions have $20.1B invested in Biogen in 2024 Q4 according to their latest regulatory filings, with 130 funds opening new positions, 292 increasing their positions, 317 reducing their positions, and 158 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
860
Holders Change
-42
Holders Change %
-4.66%
% of All Funds
11.45%
Holding in Top 10
4
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-50%
% of All Funds
0.05%
New
130
Increased
292
Reduced
317
Closed
158
Calls
$308M
Puts
$356M
Net Calls
-$47.1M
Net Calls Change
+$22.1M

Top Buyers

1
Pacer Advisors
Pacer Advisors
Pennsylvania
$408M
2
D.E. Shaw & Co
D.E. Shaw & Co
New York
$246M
3
VanEck Associates
VanEck Associates
New York
$163M
4
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$167M
5
UBS Group
UBS Group
Switzerland
$160M

Top Sellers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$321M
2
RCM
RA Capital Management
Massachusetts
$0
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$474M
4
Ameriprise
Ameriprise
Minnesota
$22M
5
ClearBridge Investments
ClearBridge Investments
New York
$242K
Name Holding Trade Value Shares
Change 		Shares
Change %
SC
851
Stance Capital
Massachusetts
$459 +$459 +3 New
CAWM
852
Capital A Wealth Management
Pennsylvania
$459 +$459 +3 New
GC
853
Gould Capital
Washington
$459 +$459 +3 New
WW
854
Winnow Wealth
Texas
$403 +$403 +3 New
AA
855
Ancora Advisors
Ohio
$306 -$3.67K -24 -92%
WA
856
WestEnd Advisors
North Carolina
$306 – – –
MAS
857
MPWM Advisory Solutions
Georgia
$306 +$306 +2 New
WCM
858
WealthTrak Capital Management
Virginia
$153 +$153 +1 New
AWM
859
Activest Wealth Management
Florida
$153 +$153 +1 New
PWM
860
Parkworth Wealth Management
California
$153 +$153 +1 New
ACA
861
American Capital Advisory
Idaho
$10 -$12 – –
PCFFS
862
Pacific Center for Financial Services
California
$6 -$8 – –
RCM
863
RA Capital Management
Massachusetts
– -$230M -1,184,456 Closed
Parnassus Investments
864
Parnassus Investments
California
– -$70.1M -361,512 Closed
IAIM
865
International Assets Investment Management
Florida
– -$1.85K -358,992 Closed
HF
866
HRT Financial
New York
– -$17.3M -89,217 Closed
ECM
867
ExodusPoint Capital Management
New York
– -$12.2M -62,915 Closed
TC
868
TwinBeech Capital
New York
– -$11.9M -61,264 Closed
Adage Capital Partners
869
Adage Capital Partners
Massachusetts
– -$8.88M -45,799 Closed
CCM
870
Channing Capital Management
Illinois
– -$7.17M -36,974 Closed
OAM
871
Oppenheimer Asset Management
New York
– -$6.96M -35,928 Closed
BFIC
872
Bedell Frazier Investment Counselling
California
– -$6.07M -31,318 Closed
CP
873
CenterBook Partners
Connecticut
– -$5.81M -29,987 Closed
SCM
874
Sarissa Capital Management
Connecticut
– -$5.22M -26,950 Closed
ECM
875
Evergreen Capital Management
Washington
– -$4.33M -22,354 Closed
33 34
35
36 37