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Biogen
BIIB

Overview Fund Activity

1,140 hedge funds and large institutions have $52.2B invested in Biogen in 2018 Q4 according to their latest regulatory filings, with 130 funds opening new positions, 374 increasing their positions, 452 reducing their positions, and 122 closing their positions.

Holders
1,140
Holders Change
-4
Holders Change %
-0.35%
% of All Funds
25.44%
Holding in Top 10
29
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+3.57%
% of All Funds
0.65%
New
130
Increased
374
Reduced
452
Closed
122
Calls
$992M
Puts
$1.34B
Net Calls
-$347M
Net Calls Change
+$428M

Top Buyers

1
Capital World Investors
1
Capital World Investors
California
$1.21B
2
Prudential Financial
2
Prudential Financial
New Jersey
$208M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$4.57B
4
Parnassus Investments
4
Parnassus Investments
California
$105M
5
PAM
5
Panagora Asset Management
Massachusetts
$171M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.1B
2
Ameriprise
2
Ameriprise
Minnesota
$661M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$386M
4
Invesco
4
Invesco
Georgia
$941M
5
Goldman Sachs
5
Goldman Sachs
New York
$542M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$4.99B 16,568,963 +70,603 +0.4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$4.57B 15,170,607 +356,482 +2%
Primecap Management
3
Primecap Management
California
$4.43B 14,716,217 -157,579 -1%
State Street
4
State Street
Massachusetts
$2.64B 8,781,192 -63,643 -0.7%
ClearBridge Investments
5
ClearBridge Investments
New York
$2.63B 8,729,845 -115,604 -1%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$1.63B 5,400,991 -133,019 -2%
Capital World Investors
7
Capital World Investors
California
$1.21B 4,015,567 +1,541,859 +62%
Fidelity Investments
8
Fidelity Investments
Massachusetts
$1.1B 3,671,066 -651,121 -15%
AQR Capital Management
9
AQR Capital Management
Connecticut
$950M 3,156,081 +132,044 +4%
Invesco
10
Invesco
Georgia
$941M 3,126,480 -482,787 -13%
Northern Trust
11
Northern Trust
Illinois
$875M 2,907,306 +133,137 +5%
AllianceBernstein
12
AllianceBernstein
Tennessee
$852M 2,831,228 -289,916 -9%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$815M 2,713,577 +144,464 +6%
JPMorgan Chase & Co
14
JPMorgan Chase & Co
New York
$803M 2,667,835 -141,554 -5%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$673M 2,236,167 -65,895 -3%
Ameriprise
16
Ameriprise
Minnesota
$661M 2,197,485 -588,438 -21%
Norges Bank
17
Norges Bank
Norway
$645M 2,143,228 -20,265 -0.9%
Bank of America
18
Bank of America
North Carolina
$580M 1,926,156 -95,920 -5%
JSP
19
Jackson Square Partners
California
$577M 1,917,674 -324,104 -14%
Massachusetts Financial Services
20
Massachusetts Financial Services
Massachusetts
$575M 1,909,571 +47,142 +3%
Goldman Sachs
21
Goldman Sachs
New York
$542M 1,801,221 -462,032 -20%
American Century Companies
22
American Century Companies
Missouri
$502M 1,668,478 +160,607 +11%
Arrowstreet Capital
23
Arrowstreet Capital
Massachusetts
$459M 1,524,089 +94,227 +7%
T. Rowe Price Associates
24
T. Rowe Price Associates
Maryland
$386M 1,284,006 -499,136 -28%
Deutsche Bank
25
Deutsche Bank
Germany
$374M 1,243,829 -423,325 -25%
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