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Biogen
BIIB

Overview Fund Activity

1,098 hedge funds and large institutions have $43.4B invested in Biogen in 2021 Q2 according to their latest regulatory filings, with 134 funds opening new positions, 321 increasing their positions, 467 reducing their positions, and 110 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,098
Holders Change
+9
Holders Change %
+0.83%
% of All Funds
19.17%
Holding in Top 10
27
Holding in Top 10 Change
+14
Holding in Top 10 Change %
+107.69%
% of All Funds
0.47%
New
134
Increased
321
Reduced
467
Closed
110
Calls
$1.8B
Puts
$1.91B
Net Calls
-$111M
Net Calls Change
-$185M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.85B
2
Marshall Wace
Marshall Wace
United Kingdom
$226M
3
SC
Samlyn Capital
New York
$130M
4
Citadel Advisors
Citadel Advisors
Florida
$193M
5
HM
HealthCor Management
New York
$117M

Top Sellers

1
Renaissance Technologies
Renaissance Technologies
New York
$461M
2
Fidelity Investments
Fidelity Investments
Massachusetts
$468M
3
LSV Asset Management
LSV Asset Management
Illinois
$125M
4
Berkshire Hathaway
Berkshire Hathaway
Nebraska
$0
5
AQR Capital Management
AQR Capital Management
Connecticut
$178M
Name Holding Trade Value Shares
Change 		Shares
Change %
FCM
126
Farallon Capital Management
California
$37.7M +$2.08M +6,000 +6%
N
127
Natixis
France
$37.2M +$22.2M +63,990 +148%
Fisher Asset Management
128
Fisher Asset Management
Washington
$36.4M +$2.25M +6,497 +7%
BCAM
129
Boston Common Asset Management
Massachusetts
$34.7M +$21M +60,503 +152%
Massachusetts Financial Services
130
Massachusetts Financial Services
Massachusetts
$34.3M +$22M +63,556 +179%
KAM
131
Krensavage Asset Management
New York
$33.8M -$14.2M -40,995 -30%
CTB
132
Country Trust Bank
Illinois
$33.6M -$6.81M -19,664 -17%
Chevy Chase Trust
133
Chevy Chase Trust
Maryland
$33.5M -$2.18M -6,304 -6%
Handelsbanken Fonder
134
Handelsbanken Fonder
Sweden
$33.4M +$3.16M +9,134 +10%
Ohio Public Employees Retirement System (OPERS)
135
Ohio Public Employees Retirement System (OPERS)
Ohio
$33.3M -$429K -1,239 -1%
KBC Group
136
KBC Group
Belgium
$33M +$335K +966 +1%
MSV
137
MN Services Vermogensbeheer
Netherlands
$32.6M +$32.6M +111,708 New
OSAM
138
O'Shaughnessy Asset Management
Connecticut
$32.4M -$13.7M -39,445 -30%
Treasurer of the State of North Carolina
139
Treasurer of the State of North Carolina
North Carolina
$32.2M -$270K -780 -0.8%
State of New Jersey Common Pension Fund D
140
State of New Jersey Common Pension Fund D
New Jersey
$32.1M -$195K -562 -0.6%
VOYA Investment Management
141
VOYA Investment Management
Georgia
$31.8M -$7.77M -22,434 -20%
RPAM
142
Rhenman & Partners Asset Management
Sweden
$31.2M +$24.4M +70,500 +362%
Janus Henderson Group
143
Janus Henderson Group
United Kingdom
$30.8M +$5.11M +14,746 +20%
Toronto Dominion Bank
144
Toronto Dominion Bank
Ontario, Canada
$30M +$223K +644 +0.7%
FAM
145
Fred Alger Management
New York
$29.6M +$23.5M +67,888 +383%
BCM
146
Bridgeway Capital Management
Texas
$29.6M -$3.59M -10,365 -11%
Caisse de Depot et Placement du Quebec (CDPQ)
147
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$29.3M +$19.5M +56,302 +199%
GLA
148
Great Lakes Advisors
Illinois
$29.1M -$5.09M -14,706 -15%
Retirement Systems of Alabama
149
Retirement Systems of Alabama
Alabama
$29.1M -$106K -307 -0.4%
SEI Investments
150
SEI Investments
Pennsylvania
$29M -$5.69M -16,469 -16%
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