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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 Market Value Shares Shares
Change 		Shares
Change %
Citadel Advisors
76
Citadel Advisors
Florida
$62.5M 223,563 -126,331 -36%
SOMRS
77
State of Michigan Retirement System
Michigan
$62.1M 221,983 +104,200 +88%
PAM
78
Panagora Asset Management
Massachusetts
$61.8M 220,824 -8,023 -4%
AssetMark Inc
79
AssetMark Inc
California
$60.8M 217,231 -26,055 -11%
Mitsubishi UFJ Trust & Banking
80
Mitsubishi UFJ Trust & Banking
Japan
$59.6M 227,051 -4,253 -2%
Envestnet Asset Management
81
Envestnet Asset Management
Illinois
$59.5M 212,568 +30,362 +17%
DekaBank Deutsche Girozentrale
82
DekaBank Deutsche Girozentrale
Germany
$59.3M 214,943 +592 +0.3%
State Board of Administration of Florida Retirement System
83
State Board of Administration of Florida Retirement System
Florida
$58.8M 210,070 -9,453 -4%
ProShare Advisors
84
ProShare Advisors
Maryland
$56.3M 201,277 +23,338 +13%
New York State Teachers Retirement System (NYSTRS)
85
New York State Teachers Retirement System (NYSTRS)
New York
$56.2M 201,040 -30,041 -13%
PCH
86
Polar Capital Holdings
United Kingdom
$56M 200,000 +50,000 +33%
UBS Group
87
UBS Group
Switzerland
$55.7M 199,066 -34,199 -15%
Hotchkis & Wiley Capital Management
88
Hotchkis & Wiley Capital Management
California
$55.6M 198,911 -500 -0.3%
Ameriprise
89
Ameriprise
Minnesota
$55.4M 197,922 +98,756 +100%
GT
90
Glenmede Trust
Pennsylvania
$55.2M 197,252 -197,559 -50%
EAM
91
Erste Asset Management
Austria
$54.8M 196,737 -185 -0.1%
Principal Financial Group
92
Principal Financial Group
Iowa
$50.5M 180,558 -17,832 -9%
MWNA
93
Marshall Wace North America
New York
$50.4M 180,199 -182,683 -50%
BGC
94
Beutel, Goodman & Co
Ontario, Canada
$48.3M 172,532 +172,532 New
Adage Capital Partners
95
Adage Capital Partners
Massachusetts
$48.1M 171,987 +2,300 +1%
Jacobs Levy Equity Management
96
Jacobs Levy Equity Management
New Jersey
$47.7M 170,620 +148,024 +655%
Victory Capital Management
97
Victory Capital Management
Texas
$47.6M 170,165 -15,790 -8%
Axa
98
Axa
France
$47.5M 169,890 +23,137 +16%
Bank of Montreal
99
Bank of Montreal
Ontario, Canada
$47.1M 177,345 -73,462 -29%
T
100
TOBAM
France
$46.7M 167,100 +2,002 +1%
2 3
4
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