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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.

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

Top Sellers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$461M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$468M
3
LSV Asset Management
3
LSV Asset Management
Illinois
$125M
4
Berkshire Hathaway
4
Berkshire Hathaway
Nebraska
$0
5
AQR Capital Management
5
AQR Capital Management
Connecticut
$178M
Name Holding Trade Value Shares
Change 		Shares
Change %
Victory Capital Management
101
Victory Capital Management
Texas
$56.5M -$2.39M -6,900 -4%
MWNA
102
Marshall Wace North America
New York
$55.4M -$7.02M -20,267 -11%
UCFA
103
United Capital Financial Advisors
Texas
$53.1M +$414K +1,197 +0.8%
PI
104
Putnam Investments
Massachusetts
$52.9M -$25.8M -74,536 -33%
Manulife (Manufacturers Life Insurance)
105
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$50.9M -$859K -2,480 -2%
GT
106
Glenmede Trust
Pennsylvania
$50.6M -$17.7M -51,178 -26%
SOMRS
107
State of Michigan Retirement System
Michigan
$50.4M -$26.4M -76,300 -34%
PI
108
PEAK6 Investments
Illinois
$50.1M +$24.4M +70,390 +95%
Ensign Peak Advisors
109
Ensign Peak Advisors
Utah
$49.7M +$9.39M +27,117 +23%
BNP Paribas Financial Markets
110
BNP Paribas Financial Markets
France
$49.4M +$9.56M +27,597 +24%
Korea Investment Corp
111
Korea Investment Corp
South Korea
$49.2M +$14M +40,430 +40%
T
112
TOBAM
France
$48.9M -$8.95M -25,856 -15%
Balyasny Asset Management
113
Balyasny Asset Management
Illinois
$47.9M +$16.8M +48,659 +54%
RJA
114
Raymond James & Associates
Florida
$47.6M -$848K -2,448 -2%
Adage Capital Partners
115
Adage Capital Partners
Massachusetts
$46.9M -$12.7M -36,588 -21%
BGC
116
Beutel, Goodman & Co
Ontario, Canada
$46.4M -$13.3M -38,399 -22%
PHS
117
PFM Health Sciences
California
$45.8M +$10.5M +30,238 +30%
IC
118
Ikarian Capital
Texas
$43.6M +$41.6M +120,262 +2,110%
AGA
119
Altrinsic Global Advisors
Connecticut
$43.2M -$502K -1,451 -1%
LBA
120
Letko, Brosseau & Associates
Quebec, Canada
$43.2M -$669K -1,932 -2%
Russell Investments Group
121
Russell Investments Group
United Kingdom
$41.6M -$13.8M -39,787 -25%
TD Asset Management
122
TD Asset Management
Ontario, Canada
$39.7M -$3.73M -11,425 -9%
RSCM
123
Rock Springs Capital Management
Maryland
$39.3M – – –
Royal London Asset Management
124
Royal London Asset Management
United Kingdom
$38.5M -$2.1M -6,069 -5%
SI
125
Sofinnova Investments
California
$38.3M +$38.3M +110,600 New
3 4
5
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