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.

Holders
850
Holders Change
-18
Holders Change %
-2.07%
% of All Funds
11.41%
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
1
Point72 Asset Management
Connecticut
$481M
2
Alyeska Investment Group
2
Alyeska Investment Group
Illinois
$63.9M
3
Arrowstreet Capital
3
Arrowstreet Capital
Massachusetts
$78.4M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$210M
5
A
5
AustralianSuper
Australia
$92.9M

Top Sellers

1
BlackRock
1
BlackRock
New York
$1.7B
2
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$175M
3
Amundi
3
Amundi
France
$77.2M
4
SG Americas Securities
4
SG Americas Securities
New York
$2.82M
5
Qube Research & Technologies (QRT)
5
Qube Research & Technologies (QRT)
United Kingdom
$93.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
JWCA
551
J.W. Cole Advisors
Florida
$253K +$253K +2,017 New
EWA
552
EverSource Wealth Advisors
Alabama
$252K +$127K +1,012 +102%
ECM
553
Estabrook Capital Management
New York
$251K -$4.14K -33 -2%
HWA
554
Heritage Wealth Advisors
Virginia
$251K – – –
NEI
555
Northwest & Ethical Investments
Ontario, Canada
$251K – – –
BRWA
556
B. Riley Wealth Advisors
Florida
$250K +$250K +1,991 New
WS
557
Wedbush Securities
California
$248K +$54.9K +436 +28%
GIM
558
Generali Investments Management
Slovenia
$246K – – –
SS
559
SBI Securities
Japan
$245K -$3.52K -28 -1%
HAG
560
HighPoint Advisor Group
Illinois
$244K +$26.4K +210 +12%
AI
561
Atria Investments
North Carolina
$244K +$30.5K +243 +14%
WSFS
562
Wilmington Savings Fund Society
Delaware
$243K +$142K +1,129 +140%
ECM
563
Evergreen Capital Management
Washington
$243K -$139K -1,110 -36%
TCM
564
Traub Capital Management
Massachusetts
$240K +$240K +1,910 New
CA
565
Claro Advisors
Massachusetts
$239K -$122K -975 -34%
SWP
566
Stratos Wealth Partners
Ohio
$238K -$42.7K -340 -15%
FLPIM
567
F.L. Putnam Investment Management
Massachusetts
$237K -$23.9K -190 -9%
JMFC
568
J.M. Forbes & Co
Massachusetts
$235K – – –
MA
569
Mutual Advisors
Nebraska
$234K +$234K +1,780 New
CAM
570
Claret Asset Management
Quebec, Canada
$234K +$234K +1,864 New
CAM
571
Cidel Asset Management
Ontario, Canada
$234K +$23.9K +190 +11%
MWM
572
Mission Wealth Management
California
$233K +$754 +6 +0.3%
IRC
573
Investors Research Corp
Georgia
$232K +$232K +1,850 New
PGFC
574
Peapack-Gladstone Financial Corp
New Jersey
$232K +$377 +3 +0.2%
TRIA
575
Trail Ridge Investment Advisors
Colorado
$231K – – –
21 22
23
24 25