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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 %
ASRS
176
Arizona State Retirement System
Arizona
$10.5M 40,745 -225 -0.5%
CIBC Asset Management
177
CIBC Asset Management
Ontario, Canada
$10.5M 40,486 +35 +0.1%
DPAM
178
Degroof Petercam Asset Management
Belgium
$10.4M 40,300 +40,300 New
Calamos Advisors
179
Calamos Advisors
Illinois
$10.3M 39,798 -520 -1%
SOMRS
180
State of Michigan Retirement System
Michigan
$10.3M 39,703 – –
CWM
181
CIBC World Markets
New York
$10.2M 39,452 +14,799 +60%
OAM
182
Oppenheimer Asset Management
New York
$9.99M 38,599 -2,796 -7%
SOADOR
183
State of Alaska Department of Revenue
Alaska
$9.98M 38,550 -8,625 -18%
AQR Capital Management
184
AQR Capital Management
Connecticut
$9.61M 37,140 -269,539 -88%
DZ Bank
185
DZ Bank
Germany
$9.38M 36,265 +1,644 +5%
IPAM
186
ICICI Prudential Asset Management
India
$9.31M 35,989 +4,693 +15%
MIM
187
MetLife Investment Management
New Jersey
$9.1M 35,158 -648 -2%
AB
188
Amalgamated Bank
New York
$9.02M 34,856 -2,897 -8%
WMSA
189
Weiss Multi-Strategy Advisers
New York
$8.98M 34,696 +10,444 +43%
HCM
190
Hillman Capital Management
Maryland
$8.92M 34,476 +170 +0.5%
BF
191
BOK Financial
Oklahoma
$8.89M 34,354 -8,607 -20%
Capital World Investors
192
Capital World Investors
California
$8.85M 34,200 +34,200 New
II
193
IFM Investors
Australia
$8.85M 34,188 +1,113 +3%
CCM
194
Channing Capital Management
Illinois
$8.82M 34,103 +4,077 +14%
Teacher Retirement System of Texas
195
Teacher Retirement System of Texas
Texas
$8.77M 33,870 -4,442 -12%
SVCM
196
Saturn V Capital Management
Texas
$8.4M 32,469 -32,207 -50%
Retirement Systems of Alabama
197
Retirement Systems of Alabama
Alabama
$8.26M 31,933 -137,713 -81%
COPPSERS
198
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$8.21M 31,731 +2,612 +9%
Corient Private Wealth
199
Corient Private Wealth
Florida
$8.08M 31,212 +8,453 +37%
NAM
200
NorthCrest Asset Manangement
Minnesota
$8.04M 31,069 -930 -3%
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