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Biogen
BIIB

Overview Fund Activity

1,099 hedge funds and large institutions have $45B invested in Biogen in 2019 Q4 according to their latest regulatory filings, with 202 funds opening new positions, 272 increasing their positions, 469 reducing their positions, and 69 closing their positions.

Holders
1,099
Holders Change
+113
Holders Change %
+11.46%
% of All Funds
21.7%
Holding in Top 10
31
Holding in Top 10 Change
+14
Holding in Top 10 Change %
+82.35%
% of All Funds
0.61%
New
202
Increased
272
Reduced
469
Closed
69
Calls
$1.27B
Puts
$1.82B
Net Calls
-$553M
Net Calls Change
-$242M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.38B
2
Primecap Management
2
Primecap Management
California
$4.51B
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$597M
4
Berkshire Hathaway
4
Berkshire Hathaway
Nebraska
$192M
5
AAMU
5
Amundi Asset Management US
Massachusetts
$255M

Top Sellers

1
Invesco
1
Invesco
Georgia
$325M
2
Capital World Investors
2
Capital World Investors
California
$542M
3
ClearBridge Investments
3
ClearBridge Investments
New York
$1.51B
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$470M
5
AllianceBernstein
5
AllianceBernstein
Tennessee
$128M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$4.65B 15,658,641 +219,594 +1%
Primecap Management
2
Primecap Management
California
$4.51B 15,189,481 +929,469 +7%
Vanguard Group
3
Vanguard Group
Pennsylvania
$4.12B 13,870,538 -224,988 -2%
State Street
4
State Street
Massachusetts
$2.44B 8,232,187 -208,232 -2%
ClearBridge Investments
5
ClearBridge Investments
New York
$1.51B 5,138,098 -1,094,579 -18%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$1.38B 4,655,756 +983,560 +27%
Renaissance Technologies
7
Renaissance Technologies
New York
$1.36B 4,569,906 +348,700 +8%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$978M 3,302,637 -32,915 -1%
AQR Capital Management
9
AQR Capital Management
Connecticut
$781M 2,636,959 -879,652 -25%
Northern Trust
10
Northern Trust
Illinois
$739M 2,491,261 -301,394 -11%
Arrowstreet Capital
11
Arrowstreet Capital
Massachusetts
$718M 2,420,191 -242,164 -9%
Norges Bank
12
Norges Bank
Norway
$716M 2,413,625 +158,636 +7%
Bank of New York Mellon
13
Bank of New York Mellon
New York
$628M 2,117,304 +225,925 +12%
T. Rowe Price Associates
14
T. Rowe Price Associates
Maryland
$597M 2,011,912 +907,258 +82%
Capital World Investors
15
Capital World Investors
California
$542M 1,828,246 -1,423,225 -44%
Goldman Sachs
16
Goldman Sachs
New York
$526M 1,771,627 -19,182 -1%
D.E. Shaw & Co
17
D.E. Shaw & Co
New York
$470M 1,583,823 -1,085,030 -41%
Fidelity Investments
18
Fidelity Investments
Massachusetts
$433M 1,458,609 -261,063 -15%
JPMorgan Chase & Co
19
JPMorgan Chase & Co
New York
$427M 1,439,824 +510,618 +55%
Boston Partners
20
Boston Partners
Massachusetts
$416M 1,401,256 -111,192 -7%
Deutsche Bank
21
Deutsche Bank
Germany
$407M 1,371,783 -421,690 -24%
American Century Companies
22
American Century Companies
Missouri
$390M 1,314,911 -132,163 -9%
Legal & General Group
23
Legal & General Group
United Kingdom
$373M 1,255,408 +15,724 +1%
Nuveen Asset Management
24
Nuveen Asset Management
Illinois
$371M 1,251,690 +43,275 +4%
LSV Asset Management
25
LSV Asset Management
Illinois
$332M 1,119,833 +1,869 +0.2%
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