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Biogen
BIIB

Overview Fund Activity

990 hedge funds and large institutions have $33.5B invested in Biogen in 2023 Q4 according to their latest regulatory filings, with 132 funds opening new positions, 283 increasing their positions, 372 reducing their positions, and 81 closing their positions.

Holders
990
Holders Change
+35
Holders Change %
+3.66%
% of All Funds
14.52%
Holding in Top 10
10
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-28.57%
% of All Funds
0.15%
New
132
Increased
283
Reduced
372
Closed
81
Calls
$643M
Puts
$499M
Net Calls
+$144M
Net Calls Change
+$86.4M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$3.73B
2
Morgan Stanley
2
Morgan Stanley
New York
$817M
3
Invesco
3
Invesco
Georgia
$470M
4
T. Rowe Price Investment Management
4
T. Rowe Price Investment Management
Maryland
$1.39B
5
Fidelity International
5
Fidelity International
Bermuda
$170M

Top Sellers

1
SC
1
Samlyn Capital
New York
$0
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$259M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$196M
4
AQR Capital Management
4
AQR Capital Management
Connecticut
$9.61M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$6.19M
Name Market Value Shares Shares
Change 		Shares
Change %
Chevy Chase Trust
126
Chevy Chase Trust
Maryland
$21.1M 81,669 -464 -0.6%
WP
127
Woodline Partners
California
$20.9M 80,600 +80,600 New
Susquehanna International Group
128
Susquehanna International Group
Pennsylvania
$20.3M 78,590 -33,487 -30%
State of Wisconsin Investment Board
129
State of Wisconsin Investment Board
Wisconsin
$20.1M 77,562 -3,729 -5%
VPC
130
Vestal Point Capital
New York
$19.4M 75,000 +75,000 New
Ohio Public Employees Retirement System (OPERS)
131
Ohio Public Employees Retirement System (OPERS)
Ohio
$18.6M 71,793 -1,028 -1%
Nomura Asset Management
132
Nomura Asset Management
Japan
$18.6M 71,695 +1,495 +2%
BGIM
133
Brandywine Global Investment Management
Pennsylvania
$18.1M 70,041 -3,408 -5%
Man Group
134
Man Group
United Kingdom
$18.1M 70,008 +70,008 New
GGHC
135
Gilder Gagnon Howe & Co
New York
$17.7M 68,479 +901 +1%
GC
136
Guggenheim Capital
Illinois
$17.6M 68,055 -457 -0.7%
MSV
137
MN Services Vermogensbeheer
Netherlands
$17.4M 67,208 -2,600 -4%
N
138
Natixis
France
$17.4M 67,073 +45,538 +211%
Aviva
139
Aviva
United Kingdom
$17.3M 66,959 +17,770 +36%
Fisher Asset Management
140
Fisher Asset Management
Washington
$16.5M 63,778 -50,021 -44%
State of Tennessee, Department of Treasury
141
State of Tennessee, Department of Treasury
Tennessee
$16.4M 63,396 +26,350 +71%
SIM
142
Sprucegrove Investment Management
Ontario, Canada
$16.2M 62,755 +800 +1%
MAM
143
Martingale Asset Management
Massachusetts
$16.1M 62,227 -2,025 -3%
Asset Management One
144
Asset Management One
Japan
$16M 61,257 -2,386 -4%
Mackenzie Financial
145
Mackenzie Financial
Ontario, Canada
$15.7M 60,626 +13,796 +29%
BCAM
146
Boston Common Asset Management
Massachusetts
$15.2M 58,711 -6,047 -9%
RPAM
147
Rhenman & Partners Asset Management
Sweden
$15.2M 58,672 +2,172 +4%
Handelsbanken Fonder
148
Handelsbanken Fonder
Sweden
$14.9M 57,533 -18,231 -24%
Royal London Asset Management
149
Royal London Asset Management
United Kingdom
$14.8M 57,215 -3,520 -6%
Nisa Investment Advisors
150
Nisa Investment Advisors
Missouri
$14.4M 55,721 -2,815 -5%
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