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Biogen
BIIB

Overview Fund Activity

1,024 hedge funds and large institutions have $53.8B invested in Biogen in 2016 Q4 according to their latest regulatory filings, with 137 funds opening new positions, 364 increasing their positions, 400 reducing their positions, and 107 closing their positions.

Holders
1,024
Holders Change
+13
Holders Change %
+1.29%
% of All Funds
25.64%
Holding in Top 10
41
Holding in Top 10 Change
-16
Holding in Top 10 Change %
-28.07%
% of All Funds
1.03%
New
137
Increased
364
Reduced
400
Closed
107
Calls
$1.52B
Puts
$1.74B
Net Calls
-$222M
Net Calls Change
-$123M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.66B
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$2.47B
3
DZ Bank
3
DZ Bank
Germany
$179M
4
Two Sigma Investments
4
Two Sigma Investments
New York
$160M
5
Renaissance Technologies
5
Renaissance Technologies
New York
$201M

Top Sellers

1
Jennison Associates
1
Jennison Associates
New York
$40.3M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$2.33B
3
SIG
3
Senator Investment Group
New York
$0
4
CCM
4
Causeway Capital Management
California
$0
5
HM
5
HealthCor Management
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Primecap Management
1
Primecap Management
California
$4.42B 15,584,387 -109,518 -0.7%
Vanguard Group
2
Vanguard Group
Pennsylvania
$3.97B 14,009,922 +163,866 +1%
State Street
3
State Street
Massachusetts
$2.65B 9,360,881 +293,817 +3%
ClearBridge Investments
4
ClearBridge Investments
New York
$2.49B 8,769,801 +302,218 +4%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$2.47B 8,718,233 +1,108,205 +15%
Fidelity Investments
6
Fidelity Investments
Massachusetts
$2.33B 8,200,534 -1,518,017 -16%
BIT
7
BlackRock Institutional Trust
California
$1.73B 6,102,240 +235,872 +4%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$1.66B 5,844,274 +1,306,695 +29%
BFA
9
BlackRock Fund Advisors
California
$1.5B 5,298,451 +329,114 +7%
Invesco
10
Invesco
Georgia
$1.2B 4,247,882 +29,876 +0.7%
JPMorgan Chase & Co
11
JPMorgan Chase & Co
New York
$1.03B 3,635,679 +21,207 +0.6%
Ameriprise
12
Ameriprise
Minnesota
$1.01B 3,578,127 +53,173 +2%
Northern Trust
13
Northern Trust
Illinois
$792M 2,793,835 -184,644 -6%
AllianceBernstein
14
AllianceBernstein
Tennessee
$750M 2,643,011 -155,351 -6%
Sands Capital Management
15
Sands Capital Management
Virginia
$731M 2,578,909 -210,357 -8%
JSP
16
Jackson Square Partners
California
$640M 2,256,719 -315,870 -12%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$630M 2,222,343 +98,428 +5%
BG
18
BlackRock Group
United Kingdom
$621M 2,191,369 +165,228 +8%
Norges Bank
19
Norges Bank
Norway
$604M 2,129,658 +83,456 +4%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$573M 2,020,856 -161,494 -7%
Bank of America
21
Bank of America
North Carolina
$561M 1,976,987 +137,053 +7%
Viking Global Investors
22
Viking Global Investors
Connecticut
$544M 1,918,812 -267,524 -12%
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$514M 1,811,083 +199,699 +12%
Franklin Resources
24
Franklin Resources
California
$507M 1,788,919 -111,161 -6%
Deutsche Bank
25
Deutsche Bank
Germany
$424M 1,494,814 -246,542 -14%
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