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Biogen
BIIB

Overview Fund Activity

902 hedge funds and large institutions have $24.5B invested in Biogen in 2024 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 265 increasing their positions, 372 reducing their positions, and 117 closing their positions.

Holders
902
Holders Change
-27
Holders Change %
-2.91%
% of All Funds
13.05%
Holding in Top 10
8
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-27.27%
% of All Funds
0.12%
New
99
Increased
265
Reduced
372
Closed
117
Calls
$213M
Puts
$282M
Net Calls
-$69.3M
Net Calls Change
-$32.5M

Top Buyers

1
BlackRock
1
BlackRock
New York
$2.97B
2
Man Group
2
Man Group
United Kingdom
$166M
3
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$1.02B
4
Barclays
4
Barclays
United Kingdom
$179M
5
Two Sigma Investments
5
Two Sigma Investments
New York
$126M

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$0
2
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$825M
3
ClearBridge Investments
3
ClearBridge Investments
New York
$117M
4
VanEck Associates
4
VanEck Associates
New York
$18.1M
5
SCM
5
Sarissa Capital Management
Connecticut
$5.22M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$3.23B 16,678,507 +78,344 +0.5%
Primecap Management
2
Primecap Management
California
$3.16B 16,315,079 -23,215 -0.1%
BlackRock
3
BlackRock
New York
$2.97B 15,347,041 +808,544 +6%
State Street
4
State Street
Massachusetts
$1.42B 7,344,960 +248,942 +4%
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$1.02B 5,257,323 +542,366 +12%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$995M 5,131,193 -35,298 -0.7%
T. Rowe Price Investment Management
7
T. Rowe Price Investment Management
Maryland
$825M 4,256,286 -1,422,573 -25%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$698M 3,613,020 +47,055 +1%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$371M 1,912,546 -98,865 -5%
Morgan Stanley
10
Morgan Stanley
New York
$366M 1,887,246 +280,738 +17%
BGC
11
Beutel, Goodman & Co
Ontario, Canada
$338M 1,744,154 -3,290 -0.2%
Invesco
12
Invesco
Georgia
$316M 1,629,733 +340,290 +26%
Northern Trust
13
Northern Trust
Illinois
$262M 1,353,135 -72,786 -5%
Legal & General Group
14
Legal & General Group
United Kingdom
$243M 1,251,953 -18,179 -1%
RCM
15
RA Capital Management
Massachusetts
$230M 1,184,456 +202,317 +21%
UBS AM
16
UBS AM
Illinois
$223M 1,152,691 +18,905 +2%
Ameriprise
17
Ameriprise
Minnesota
$223M 1,150,486 -299,519 -21%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$216M 1,114,340 +4,228 +0.4%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$194M 1,003,135 -244,480 -20%
Goldman Sachs
20
Goldman Sachs
New York
$192M 989,041 -431,819 -30%
Renaissance Technologies
21
Renaissance Technologies
New York
$185M 952,706 +334,600 +54%
Barclays
22
Barclays
United Kingdom
$179M 921,256 +473,603 +106%
Charles Schwab
23
Charles Schwab
California
$177M 913,029 +12,319 +1%
Man Group
24
Man Group
United Kingdom
$166M 856,835 +799,240 +1,388%
Amundi
25
Amundi
France
$164M 897,512 +212,692 +31%
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