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Alkermes

Name Holding Trade Value Shares
Change
Change in
Stake
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$490M +$12.2M +614,212 +3%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$445M +$2.24M +112,824 +0.5%
Vanguard Group
3
Vanguard Group
Pennsylvania
$301M +$1.8M +90,497 +0.6%
Primecap Management
4
Primecap Management
California
$288M -$155M -7,813,177 -36%
BlackRock
5
BlackRock
New York
$186M -$17.3M -871,676 -9%
Renaissance Technologies
6
Renaissance Technologies
New York
$135M +$34.5M +1,735,545 +35%
State Street
7
State Street
Massachusetts
$94.9M -$13.3M -671,347 -13%
CCM
8
Camber Capital Management
Massachusetts
$84.2M +$12.4M +625,000 +18%
SCM
9
Sarissa Capital Management
Connecticut
$77.6M +$75.6M +3,805,000 New
Fidelity Investments
10
Fidelity Investments
Massachusetts
$57.2M -$43.8M -2,204,816 -44%
First Trust Advisors
11
First Trust Advisors
Illinois
$57.2M +$3.86M +194,365 +7%
Arrowstreet Capital
12
Arrowstreet Capital
Massachusetts
$45.2M +$44M +2,215,587 New
AQR Capital Management
13
AQR Capital Management
Connecticut
$39M -$3.81M -191,571 -9%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$36.8M -$105K -5,287 -0.3%
Two Sigma Investments
15
Two Sigma Investments
New York
$34.1M +$17.1M +861,081 +106%
Norges Bank
16
Norges Bank
Norway
$33M +$2.51M +126,426 +8%
Goldman Sachs
17
Goldman Sachs
New York
$31.6M +$8.91M +448,420 +41%
TIM
18
Thornburg Investment Management
New Mexico
$29.1M +$2.87M +144,189 +11%
Two Sigma Advisers
19
Two Sigma Advisers
New York
$29.1M +$7.27M +366,000 +35%
Charles Schwab
20
Charles Schwab
California
$23.4M +$1.03M +52,003 +5%
ClearBridge Investments
21
ClearBridge Investments
New York
$23M -$473K -23,818 -2%
Millennium Management
22
Millennium Management
New York
$23M -$20.8M -1,045,550 -48%
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$21.6M +$7.96M +400,652 +61%
BC
24
Broadfin Capital
New York
$21.1M +$15.6M +784,500 +315%
Alyeska Investment Group
25
Alyeska Investment Group
Illinois
$20.6M +$434K +21,855 +2%