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Biogen
BIIB

Overview Fund Activity

1,095 hedge funds and large institutions have $45.8B invested in Biogen in 2020 Q1 according to their latest regulatory filings, with 112 funds opening new positions, 325 increasing their positions, 473 reducing their positions, and 101 closing their positions.

Holders
1,095
Holders Change
-4
Holders Change %
-0.36%
% of All Funds
24.19%
Holding in Top 10
49
Holding in Top 10 Change
+18
Holding in Top 10 Change %
+58.06%
% of All Funds
1.08%
New
112
Increased
325
Reduced
473
Closed
101
Calls
$1.24B
Puts
$1.51B
Net Calls
-$271M
Net Calls Change
+$283M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$1.36B
2
Primecap Management
2
Primecap Management
California
$5.05B
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$692M
4
O
4
OrbiMed
New York
$152M
5
BlackRock
5
BlackRock
New York
$5.08B

Top Sellers

1
D.E. Shaw & Co
1
D.E. Shaw & Co
New York
$132M
2
Capital World Investors
2
Capital World Investors
California
$227M
3
Boston Partners
3
Boston Partners
Massachusetts
$107M
4
Arrowstreet Capital
4
Arrowstreet Capital
Massachusetts
$458M
5
ClearBridge Investments
5
ClearBridge Investments
New York
$1.39B
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$5.08B 16,043,037 +384,396 +2%
Primecap Management
2
Primecap Management
California
$5.05B 15,965,989 +776,508 +5%
Vanguard Group
3
Vanguard Group
Pennsylvania
$4.5B 14,238,227 +367,689 +3%
State Street
4
State Street
Massachusetts
$2.61B 8,262,242 +30,055 +0.4%
Renaissance Technologies
5
Renaissance Technologies
New York
$1.42B 4,473,912 -95,994 -2%
ClearBridge Investments
6
ClearBridge Investments
New York
$1.39B 4,407,311 -730,787 -14%
T. Rowe Price Associates
7
T. Rowe Price Associates
Maryland
$1.36B 4,284,557 +2,272,645 +113%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$1.3B 4,095,239 -560,517 -12%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$1.07B 3,372,294 +69,657 +2%
Northern Trust
10
Northern Trust
Illinois
$782M 2,470,802 -20,459 -0.8%
Bank of New York Mellon
11
Bank of New York Mellon
New York
$763M 2,412,860 +295,556 +14%
Norges Bank
12
Norges Bank
Norway
$703M 2,221,875 -191,750 -8%
Fidelity Investments
13
Fidelity Investments
Massachusetts
$692M 2,187,836 +729,227 +50%
AQR Capital Management
14
AQR Capital Management
Connecticut
$661M 2,120,127 -516,832 -20%
JPMorgan Chase & Co
15
JPMorgan Chase & Co
New York
$461M 1,456,795 +16,971 +1%
Arrowstreet Capital
16
Arrowstreet Capital
Massachusetts
$458M 1,446,459 -973,732 -40%
American Century Companies
17
American Century Companies
Missouri
$406M 1,281,956 -32,955 -3%
Goldman Sachs
18
Goldman Sachs
New York
$404M 1,275,764 -495,863 -28%
Legal & General Group
19
Legal & General Group
United Kingdom
$399M 1,260,483 +5,075 +0.4%
AAMU
20
Amundi Asset Management US
Massachusetts
$370M 1,168,912 +308,789 +36%
UBS AM
21
UBS AM
Illinois
$346M 1,094,458 -12,893 -1%
Bank of America
22
Bank of America
North Carolina
$346M 1,093,050 +76,514 +8%
LSV Asset Management
23
LSV Asset Management
Illinois
$340M 1,074,877 -44,956 -4%
Deutsche Bank
24
Deutsche Bank
Germany
$338M 1,068,684 -303,099 -22%
Nuveen Asset Management
25
Nuveen Asset Management
Illinois
$320M 1,011,446 -240,244 -19%
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