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Biogen
BIIB

Overview Fund Activity

884 hedge funds and large institutions have $72.3B invested in Biogen in 2014 Q4 according to their latest regulatory filings, with 130 funds opening new positions, 343 increasing their positions, 279 reducing their positions, and 54 closing their positions.

Holders
884
Holders Change
+66
Holders Change %
+8.07%
% of All Funds
23.59%
Holding in Top 10
52
Holding in Top 10 Change
+11
Holding in Top 10 Change %
+26.83%
% of All Funds
1.39%
New
130
Increased
343
Reduced
279
Closed
54
Calls
$975M
Puts
$1.36B
Net Calls
-$382M
Net Calls Change
+$97.3M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$861M
2
Capital World Investors
2
Capital World Investors
California
$581M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$6.72B
4
Goldman Sachs
4
Goldman Sachs
New York
$612M
5
BFA
5
BlackRock Fund Advisors
California
$1.54B

Top Sellers

1
Capital Research Global Investors
1
Capital Research Global Investors
California
$102M
2
BA
2
BlackRock Advisors
Delaware
$265M
3
UBS AM
3
UBS AM
Illinois
$416M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$4.13B
5
CCI
5
Columbus Circle Investors
$224M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$6.72B 19,788,113 +785,319 +4%
Primecap Management
2
Primecap Management
California
$5.83B 17,170,693 -45,938 -0.3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$4.32B 12,730,694 +395,460 +3%
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$4.13B 12,176,548 -614,504 -5%
State Street
5
State Street
Massachusetts
$3.43B 10,105,791 +242,919 +2%
ClearBridge Investments
6
ClearBridge Investments
New York
$2.79B 8,231,670 +341,907 +4%
JPMorgan Chase & Co
7
JPMorgan Chase & Co
New York
$2.37B 6,974,966 +51,993 +0.8%
BIT
8
BlackRock Institutional Trust
California
$2.13B 6,266,811 +53,463 +0.9%
Jennison Associates
9
Jennison Associates
New York
$1.91B 5,619,663 -188,022 -3%
Sands Capital Management
10
Sands Capital Management
Virginia
$1.69B 4,974,331 +22,235 +0.4%
BFA
11
BlackRock Fund Advisors
California
$1.54B 4,534,594 +602,854 +15%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$1.14B 3,358,853 +27,806 +0.8%
Invesco
13
Invesco
Georgia
$1.13B 3,342,751 -235,680 -7%
Northern Trust
14
Northern Trust
Illinois
$1.07B 3,145,256 -78,567 -2%
WRF
15
Waddell & Reed Financial
Kansas
$985M 2,900,674 +75,693 +3%
Ameriprise
16
Ameriprise
Minnesota
$940M 2,769,523 +188,035 +7%
Wells Fargo
17
Wells Fargo
California
$920M 2,711,313 +18,842 +0.7%
JHIU
18
Janus Henderson Investors US
Colorado
$910M 2,679,722 +404,124 +18%
Wellington Management Group
19
Wellington Management Group
Massachusetts
$861M 2,535,845 +1,006,795 +66%
BG
20
BlackRock Group
United Kingdom
$745M 2,195,060 +25,939 +1%
Franklin Resources
21
Franklin Resources
California
$722M 2,126,484 +102,385 +5%
TCIM
22
TIAA CREF Investment Management
New York
$704M 2,072,866 -330,096 -14%
American Century Companies
23
American Century Companies
Missouri
$648M 1,910,158 +193,409 +11%
Winslow Capital Management
24
Winslow Capital Management
Minnesota
$648M 1,909,997 -122,924 -6%
Geode Capital Management
25
Geode Capital Management
Massachusetts
$631M 1,861,665 +77,922 +4%
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