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Biogen
BIIB

Overview Fund Activity

955 hedge funds and large institutions have $32B invested in Biogen in 2023 Q3 according to their latest regulatory filings, with 90 funds opening new positions, 331 increasing their positions, 342 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
955
Holders Change
-44
Holders Change %
-4.4%
% of All Funds
15.23%
Holding in Top 10
14
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-22.22%
% of All Funds
0.22%
New
90
Increased
331
Reduced
342
Closed
118
Calls
$575M
Puts
$517M
Net Calls
+$57.3M
Net Calls Change
+$102M

Top Buyers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$1.22B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$1.28B
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$115M
4
VanEck Associates
4
VanEck Associates
New York
$306M
5
Macquarie Group
5
Macquarie Group
Australia
$70.2M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$350M
2
LAM
2
L2 Asset Management
Massachusetts
$2.29M
3
FCM
3
Farallon Capital Management
California
$0
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$12.4M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$71.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
BCM
126
Boone Capital Management
Georgia
$24.7M +$8.54M +33,238 +53%
Treasurer of the State of North Carolina
127
Treasurer of the State of North Carolina
North Carolina
$23.7M +$265K +1,030 +1%
SEI Investments
128
SEI Investments
Pennsylvania
$23.6M +$137K +535 +0.6%
Toronto Dominion Bank
129
Toronto Dominion Bank
Ontario, Canada
$23.4M -$1.48M -5,762 -6%
SO
130
STRS Ohio
Ohio
$22.3M -$12.1M -46,977 -35%
Skandinaviska Enskilda Banken (SEB)
131
Skandinaviska Enskilda Banken (SEB)
Sweden
$21.6M -$1.16M -4,520 -5%
Rafferty Asset Management
132
Rafferty Asset Management
New York
$21.2M +$4.56M +17,754 +27%
Hudson Bay Capital Management
133
Hudson Bay Capital Management
Connecticut
$21.2M +$6.43M +25,000 +43%
Chevy Chase Trust
134
Chevy Chase Trust
Maryland
$21.1M -$478K -1,861 -2%
State of New Jersey Common Pension Fund D
135
State of New Jersey Common Pension Fund D
New Jersey
$21.1M -$863K -3,357 -4%
State of Wisconsin Investment Board
136
State of Wisconsin Investment Board
Wisconsin
$20.9M -$7.76M -30,207 -27%
Millennium Management
137
Millennium Management
New York
$20.1M +$8.73M +33,970 +77%
Citadel Advisors
138
Citadel Advisors
Florida
$20.1M +$20.1M +78,136 New
Handelsbanken Fonder
139
Handelsbanken Fonder
Sweden
$19.5M +$250K +974 +1%
BGIM
140
Brandywine Global Investment Management
Pennsylvania
$18.9M +$1.62M +6,284 +9%
ZP
141
Zimmer Partners
New York
$18.7M +$13.7M +53,300 +272%
Ohio Public Employees Retirement System (OPERS)
142
Ohio Public Employees Retirement System (OPERS)
Ohio
$18.7M -$2.34M -9,094 -11%
Nomura Asset Management
143
Nomura Asset Management
Japan
$18M -$2.03M -7,882 -10%
MSV
144
MN Services Vermogensbeheer
Netherlands
$17.9M +$257K +1,000 +1%
DnB Asset Management
145
DnB Asset Management
Norway
$17.9M +$1.66M +6,443 +10%
GC
146
Guggenheim Capital
Illinois
$17.6M +$1.95M +7,593 +12%
IMRF
147
Illinois Municipal Retirement Fund
Illinois
$17.6M +$2.13M +8,291 +14%
GGHC
148
Gilder Gagnon Howe & Co
New York
$17.4M -$3.27M -12,719 -16%
BCAM
149
Boston Common Asset Management
Massachusetts
$16.6M +$6.39M +24,868 +62%
SVCM
150
Saturn V Capital Management
Texas
$16.6M +$6.07M +23,629 +58%
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