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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 %
Primecap Management
1
Primecap Management
California
$4.69B 16,758,256 +936,190 +6%
BlackRock
2
BlackRock
New York
$3.78B 13,502,628 +83,027 +0.6%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.32B 11,853,658 -42,852 -0.4%
State Street
4
State Street
Massachusetts
$1.87B 6,672,533 -319,482 -5%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$1.65B 5,902,841 +120,868 +2%
ClearBridge Investments
6
ClearBridge Investments
New York
$1.11B 3,969,044 +370,371 +10%
JPMorgan Chase & Co
7
JPMorgan Chase & Co
New York
$1.09B 3,886,901 +974,880 +33%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$781M 2,796,511 +37,013 +1%
Bank of New York Mellon
9
Bank of New York Mellon
New York
$609M 2,177,098 +31,006 +1%
Northern Trust
10
Northern Trust
Illinois
$593M 2,120,508 -80,450 -4%
Renaissance Technologies
11
Renaissance Technologies
New York
$542M 1,938,162 -1,099,600 -36%
Fidelity Investments
12
Fidelity Investments
Massachusetts
$536M 1,915,216 -66,652 -3%
T. Rowe Price Associates
13
T. Rowe Price Associates
Maryland
$497M 1,777,171 +89,873 +5%
Norges Bank
14
Norges Bank
Norway
$490M 1,752,068 -151,585 -8%
Deutsche Bank
15
Deutsche Bank
Germany
$360M 1,286,239 +284,571 +28%
Legal & General Group
16
Legal & General Group
United Kingdom
$335M 1,195,946 -34,528 -3%
UBS AM
17
UBS AM
Illinois
$324M 1,159,784 -30,613 -3%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$311M 1,112,668 -3,883 -0.3%
Invesco
19
Invesco
Georgia
$289M 1,034,041 +194,071 +23%
PAMU
20
Pictet Asset Management (UK)
United Kingdom
$288M 1,028,466 +90,839 +10%
AQR Capital Management
21
AQR Capital Management
Connecticut
$284M 1,025,405 +7,983 +0.8%
American Century Companies
22
American Century Companies
Missouri
$275M 983,826 +7,804 +0.8%
LSV Asset Management
23
LSV Asset Management
Illinois
$257M 918,131 -20,210 -2%
Goldman Sachs
24
Goldman Sachs
New York
$234M 837,560 +289,432 +53%
Nuveen Asset Management
25
Nuveen Asset Management
Illinois
$231M 827,308 -76,002 -8%
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