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Biogen
BIIB

Overview Fund Activity

868 hedge funds and large institutions have $17.4B invested in Biogen in 2025 Q1 according to their latest regulatory filings, with 127 funds opening new positions, 328 increasing their positions, 264 reducing their positions, and 105 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
868
Holders Change
+8
Holders Change %
+0.93%
% of All Funds
11.79%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
127
Increased
328
Reduced
264
Closed
105
Calls
$345M
Puts
$621M
Net Calls
-$276M
Net Calls Change
-$229M

Top Buyers

1
AQR Capital Management
AQR Capital Management
Connecticut
$187M
2
Balyasny Asset Management
Balyasny Asset Management
Illinois
$108M
3
SG Americas Securities
SG Americas Securities
New York
$98.5M
4
Fidelity Investments
Fidelity Investments
Massachusetts
$179M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
$55.7M

Top Sellers

1
Pacer Advisors
Pacer Advisors
Pennsylvania
$185M
2
BGC
Beutel, Goodman & Co
Ontario, Canada
$1K
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$158M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$200M
5
O
OrbiMed
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
A
926
Allianz
Germany
– -$219K -1,459 Closed
PWP
927
Prasad Wealth Partners
Ohio
– -$222K -1,450 Closed
SRIM
928
Saratoga Research & Investment Management
California
– -$221K -1,448 Closed
UBG
929
United Bank (Georgia)
Georgia
– -$218K -1,423 Closed
IDBONY
930
Israel Discount Bank of New York
New York
– -$215K -1,405 Closed
IC
931
Iconiq Capital
California
– -$208K -1,360 Closed
CL
932
Choreo LLC
Illinois
– -$205K -1,360 Closed
RFC
933
Regions Financial Corp
Alabama
– -$207K -1,354 Closed
MA
934
MONECO Advisors
Connecticut
– -$205K -1,341 Closed
SPC
935
Spirepoint Private Client
Florida
– -$205K -1,338 Closed
MC
936
Moors & Cabot
Massachusetts
– -$204K -1,335 Closed
MCM
937
Mengis Capital Management
Oregon
– -$203K -1,330 Closed
WC
938
Wynn Capital
Georgia
– -$201K -1,316 Closed
BTD
939
BankPlus Trust Department
Mississippi
– -$106K -694 Closed
DP
940
Denver PWM
Colorado
– -$82.3K -538 Closed
MME
941
Meag Munich Ergo
Germany
– -$77.8K -518 Closed
PWA
942
Provenance Wealth Advisors
Florida
– -$76.5K -500 Closed
SS
943
Sunbelt Securities
Texas
– -$71.6K -477 Closed
WWA
944
Wingate Wealth Advisors
Massachusetts
– -$53.5K -350 Closed
WT
945
Washington Trust
Rhode Island
– -$47.7K -312 Closed
CBT
946
CoreFirst Bank & Trust
Kansas
– -$46.5K -304 Closed
CSPIA
947
Cary Street Partners Investment Advisory
Virginia
– -$29.8K -195 Closed
LDB
948
Lee, Danner & Bass
Tennessee
– -$24.6K -161 Closed
AWM
949
Avior Wealth Management
Nebraska
– -$17K -111 Closed
VWM
950
Venturi Wealth Management
Texas
– -$16.4K -107 Closed
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