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Biogen
BIIB

Overview Fund Activity

1,100 hedge funds and large institutions have $51.4B invested in Biogen in 2018 Q1 according to their latest regulatory filings, with 94 funds opening new positions, 424 increasing their positions, 416 reducing their positions, and 101 closing their positions.

Holders
1,100
Holders Change
-21
Holders Change %
-1.87%
% of All Funds
25.25%
Holding in Top 10
26
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-7.14%
% of All Funds
0.6%
New
94
Increased
424
Reduced
416
Closed
101
Calls
$695M
Puts
$1.05B
Net Calls
-$355M
Net Calls Change
+$102M

Top Buyers

1
Deutsche Bank
1
Deutsche Bank
Germany
$963M
2
Arrowstreet Capital
2
Arrowstreet Capital
Massachusetts
$313M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$172M
4
AllianceBernstein
4
AllianceBernstein
Tennessee
$1.1B
5
CCM
5
Camber Capital Management
Massachusetts
$141M

Top Sellers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$1.1B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$1.85B
3
Sands Capital Management
3
Sands Capital Management
Virginia
$0
4
State Street
4
State Street
Massachusetts
$2.39B
5
Winslow Capital Management
5
Winslow Capital Management
Minnesota
$1K
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$4.73B 17,268,339 +463,656 +3%
Vanguard Group
2
Vanguard Group
Pennsylvania
$4.14B 15,129,243 +258,224 +2%
Primecap Management
3
Primecap Management
California
$4.09B 14,953,231 -156,000 -1%
ClearBridge Investments
4
ClearBridge Investments
New York
$2.52B 9,188,259 +46,608 +0.5%
State Street
5
State Street
Massachusetts
$2.39B 8,746,056 -737,545 -8%
Fidelity Investments
6
Fidelity Investments
Massachusetts
$1.85B 6,771,037 -2,321,382 -26%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$1.39B 5,073,805 -35,457 -0.7%
AllianceBernstein
8
AllianceBernstein
Tennessee
$1.1B 4,024,770 +610,098 +18%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$1.1B 4,022,099 -4,512,212 -53%
Invesco
10
Invesco
Georgia
$974M 3,556,969 +100,870 +3%
Deutsche Bank
11
Deutsche Bank
Germany
$963M 3,518,217 +2,253,559 +178%
JPMorgan Chase & Co
12
JPMorgan Chase & Co
New York
$841M 3,070,851 +254,334 +9%
Northern Trust
13
Northern Trust
Illinois
$787M 2,872,829 -106,511 -4%
Ameriprise
14
Ameriprise
Minnesota
$714M 2,605,849 -1,597 -0.1%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$709M 2,594,399 +150,840 +6%
Goldman Sachs
16
Goldman Sachs
New York
$671M 2,448,853 +153,551 +7%
AQR Capital Management
17
AQR Capital Management
Connecticut
$669M 2,444,050 +477,916 +24%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$627M 2,289,468 -101,059 -4%
Norges Bank
19
Norges Bank
Norway
$581M 2,120,089 -45,645 -2%
Massachusetts Financial Services
20
Massachusetts Financial Services
Massachusetts
$569M 2,076,215 +246,436 +13%
JSP
21
Jackson Square Partners
California
$547M 1,997,699 -68,323 -3%
Bank of America
22
Bank of America
North Carolina
$505M 1,842,828 -95,562 -5%
Janus Henderson Group
23
Janus Henderson Group
United Kingdom
$429M 1,565,633 +37,247 +2%
TCIM
24
TIAA CREF Investment Management
New York
$371M 1,356,606 -28,210 -2%
American Century Companies
25
American Century Companies
Missouri
$321M 1,171,329 +169,942 +17%
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