BIIB icon

Biogen
BIIB

Overview Fund Activity

850 hedge funds and large institutions have $16.2B invested in Biogen in 2025 Q2 according to their latest regulatory filings, with 94 funds opening new positions, 337 increasing their positions, 260 reducing their positions, and 99 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
850
Holders Change
-18
Holders Change %
-2.07%
% of All Funds
11.4%
Holding in Top 10
5
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+150%
% of All Funds
0.07%
New
94
Increased
337
Reduced
260
Closed
99
Calls
$381M
Puts
$333M
Net Calls
+$47.6M
Net Calls Change
+$323M

Top Buyers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
$481M
2
Alyeska Investment Group
Alyeska Investment Group
Illinois
$63.9M
3
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
$78.4M
4
Fidelity Investments
Fidelity Investments
Massachusetts
$210M
5
A
AustralianSuper
Australia
$92.9M

Top Sellers

1
BlackRock
BlackRock
New York
$1.7B
2
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$175M
3
Amundi
Amundi
France
$77.2M
4
SG Americas Securities
SG Americas Securities
New York
$2.82M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$93.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
CWA
901
Cura Wealth Advisors
Illinois
– -$248K -1,812 Closed
LFM
902
LGT Fund Management
Liechtenstein
– -$239K -1,744 Closed
AWM
903
AE Wealth Management
Kansas
– -$237K -1,731 Closed
PPW
904
Parcion Private Wealth
Washington
– -$236K -1,724 Closed
KRW
905
Kaufman Rossin Wealth
Florida
– -$231K -1,690 Closed
OIA
906
OneDigital Investment Advisors
Kansas
– -$231K -1,688 Closed
WW
907
Waterfront Wealth
Kansas
– -$218K -1,593 Closed
AV
908
ASR Vermogensbeheer
Netherlands
– -$218K -1,590 Closed
MOS
909
MGO One Seven
Ohio
– -$212K -1,547 Closed
AIIMS
910
Analyst IMS Investment Management Services
Israel
– -$209K -1,527 Closed
DADC
911
D.A. Davidson & Co
Montana
– -$208K -1,518 Closed
JIC
912
Johnson Investment Counsel
Ohio
– -$207K -1,513 Closed
VCM
913
Virtue Capital Management
Tennessee
– -$206K -1,508 Closed
SACTSONJ
914
Supplemental Annuity Collective Trust (SACT) of New Jersey
New Jersey
– -$205K -1,500 Closed
FNBT
915
FineMark National Bank & Trust
Florida
– -$203K -1,486 Closed
IWM
916
IHT Wealth Management
Illinois
– -$203K -1,480 Closed
WB
917
WesBanco Bank
West Virginia
– -$200K -1,464 Closed
SW
918
SVB Wealth
Massachusetts
– -$117K -855 Closed
IIM
919
Intact Investment Management
Quebec, Canada
– -$68.4K -500 Closed
SIM
920
Sentry Investment Management
Wisconsin
– -$54K -454 Closed
CIAM
921
Caitong International Asset Management
Hong Kong
– -$61.3K -448 Closed
QC
922
Quent Capital
New York
– -$53.5K -391 Closed
VWM
923
Vermillion Wealth Management
Minnesota
– -$41.1K -300 Closed
RTC
924
Riverview Trust Company
Washington
– -$39.1K -286 Closed
ST
925
Smithfield Trust
Pennsylvania
– -$14K -100 Closed
34 35 36
37
38