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Biogen
BIIB

Overview Fund Activity

782 hedge funds and large institutions have $68.4B invested in Biogen in 2014 Q2 according to their latest regulatory filings, with 81 funds opening new positions, 275 increasing their positions, 302 reducing their positions, and 69 closing their positions.

Holders
782
Holders Change
+6
Holders Change %
+0.77%
% of All Funds
22.49%
Holding in Top 10
36
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+9.09%
% of All Funds
1.04%
New
81
Increased
275
Reduced
302
Closed
69
Calls
$814M
Puts
$1.09B
Net Calls
-$271M
Net Calls Change
+$35.6M

Top Buyers

1
Norges Bank
1
Norges Bank
Norway
$1.04B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$2.24B
3
American Century Companies
3
American Century Companies
Missouri
$442M
4
BIM
4
BlackRock Investment Management
Delaware
$367M
5
Grantham, Mayo, Van Otterloo & Co (GMO)
5
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$270M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$568M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$6.67B
3
MCM
3
Marsico Capital Management
Colorado
$608M
4
Winslow Capital Management
4
Winslow Capital Management
Minnesota
$500M
5
Arrowstreet Capital
5
Arrowstreet Capital
Massachusetts
$79.4M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$6.67B 21,144,772 -780,556 -4%
Primecap Management
2
Primecap Management
California
$5.44B 17,258,311 -243,795 -1%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$3.85B 12,194,641 +16,492 +0.1%
Vanguard Group
4
Vanguard Group
Pennsylvania
$3.81B 12,086,297 +187,167 +2%
State Street
5
State Street
Massachusetts
$3.04B 9,638,717 +92,043 +1%
Capital Research Global Investors
6
Capital Research Global Investors
California
$2.59B 8,198,550 -345,000 -4%
ClearBridge Investments
7
ClearBridge Investments
New York
$2.49B 7,893,874 +190,390 +2%
JPMorgan Chase & Co
8
JPMorgan Chase & Co
New York
$2.24B 7,115,053 +930,103 +15%
Jennison Associates
9
Jennison Associates
New York
$1.98B 6,280,884 -56,269 -0.9%
BIT
10
BlackRock Institutional Trust
California
$1.98B 6,271,789 +124,950 +2%
Sands Capital Management
11
Sands Capital Management
Virginia
$1.54B 4,891,463 +18,446 +0.4%
Invesco
12
Invesco
Georgia
$1.21B 3,827,167 -224,517 -6%
BFA
13
BlackRock Fund Advisors
California
$1.19B 3,762,809 -108,049 -3%
Norges Bank
14
Norges Bank
Norway
$1.04B 3,309,536 +1,637,868 +98%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$1.01B 3,210,800 -41,851 -1%
Northern Trust
16
Northern Trust
Illinois
$993M 3,148,622 -157,094 -5%
WRF
17
Waddell & Reed Financial
Kansas
$908M 2,880,524 +312,390 +12%
TCIM
18
TIAA CREF Investment Management
New York
$834M 2,644,328 -288,701 -10%
Ameriprise
19
Ameriprise
Minnesota
$814M 2,581,552 -60,572 -2%
Wells Fargo
20
Wells Fargo
California
$790M 2,506,052 +96,081 +4%
JHIU
21
Janus Henderson Investors US
Colorado
$726M 2,306,651 +95,271 +4%
Franklin Resources
22
Franklin Resources
California
$719M 2,281,298 -1,155 -0.1%
BG
23
BlackRock Group
United Kingdom
$685M 2,171,989 -10,683 -0.5%
MCM
24
Marsico Capital Management
Colorado
$608M 1,927,066 -558,593 -22%
UBS AM
25
UBS AM
Illinois
$590M 1,870,618 +106,552 +6%
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