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Biogen
BIIB

Overview Fund Activity

1,089 hedge funds and large institutions have $35.6B invested in Biogen in 2021 Q1 according to their latest regulatory filings, with 140 funds opening new positions, 357 increasing their positions, 406 reducing their positions, and 99 closing their positions.

Holders
1,089
Holders Change
+33
Holders Change %
+3.13%
% of All Funds
19.18%
Holding in Top 10
13
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+85.71%
% of All Funds
0.23%
New
140
Increased
357
Reduced
406
Closed
99
Calls
$1.45B
Puts
$1.37B
Net Calls
+$74.1M
Net Calls Change
-$267M

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$1.09B
2
Primecap Management
2
Primecap Management
California
$4.69B
3
SAM
3
Southeastern Asset Management
Tennessee
$169M
4
ClearBridge Investments
4
ClearBridge Investments
New York
$1.11B
5
A
5
AustralianSuper
Australia
$142M

Top Sellers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$542M
2
O
2
OrbiMed
New York
$22.9M
3
Susquehanna International Group
3
Susquehanna International Group
Pennsylvania
$72.9M
4
Marshall Wace
4
Marshall Wace
United Kingdom
$45.5M
5
State Street
5
State Street
Massachusetts
$1.87B
Name Holding Trade Value Shares
Change 		Shares
Change %
EVM
101
Eaton Vance Management
Massachusetts
$45.7M +$404K +1,444 +0.9%
RG
102
Redmile Group
California
$45.6M -$14.9M -53,400 -25%
Marshall Wace
103
Marshall Wace
United Kingdom
$45.5M -$100M -357,297 -69%
Thrivent Financial for Lutherans
104
Thrivent Financial for Lutherans
Minnesota
$44.9M +$2.02M +7,208 +5%
CI
105
Cambiar Investors
Colorado
$44.7M +$594K +2,123 +1%
Russell Investments Group
106
Russell Investments Group
United Kingdom
$44.6M -$10.6M -37,889 -19%
Millennium Management
107
Millennium Management
New York
$43.3M -$26.5M -94,658 -38%
UCFA
108
United Capital Financial Advisors
Texas
$42.6M +$5.99M +21,407 +16%
State of Wisconsin Investment Board
109
State of Wisconsin Investment Board
Wisconsin
$42.3M -$10.1M -36,247 -19%
Manulife (Manufacturers Life Insurance)
110
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$41.8M +$2.19M +7,838 +6%
Nomura Asset Management
111
Nomura Asset Management
Japan
$41.4M +$1.21M +4,320 +3%
Skandinaviska Enskilda Banken (SEB)
112
Skandinaviska Enskilda Banken (SEB)
Sweden
$40.6M -$46.5M -165,906 -53%
RJA
113
Raymond James & Associates
Florida
$39.1M -$298K -1,065 -0.8%
KAM
114
Krensavage Asset Management
New York
$38.8M +$140K +501 +0.4%
TD Asset Management
115
TD Asset Management
Ontario, Canada
$37.2M +$619K +2,213 +2%
OSAM
116
O'Shaughnessy Asset Management
Connecticut
$37.2M -$4.76M -17,007 -11%
LBA
117
Letko, Brosseau & Associates
Quebec, Canada
$35.4M -$1.21M -4,320 -3%
AGA
118
Altrinsic Global Advisors
Connecticut
$35.3M -$701K -2,507 -2%
Jane Street
119
Jane Street
New York
$34.3M -$34.2M -122,116 -50%
SCP
120
Seizert Capital Partners
Michigan
$33M +$1.08M +3,859 +3%
Royal London Asset Management
121
Royal London Asset Management
United Kingdom
$32.8M +$1.11M +3,975 +4%
CTB
122
Country Trust Bank
Illinois
$32.6M +$7.16M +25,605 +28%
Ensign Peak Advisors
123
Ensign Peak Advisors
Utah
$32.6M -$7.21M -25,768 -18%
Point72 Asset Management
124
Point72 Asset Management
Connecticut
$32.3M -$23.3M -83,360 -42%
BNP Paribas Financial Markets
125
BNP Paribas Financial Markets
France
$32.2M +$763K +2,726 +2%
3 4
5
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