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Alkermes

Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$404M +$21.6M +828,769 +5%
BlackRock
2
BlackRock
New York
$346M -$7.77M -298,654 -2%
SCM
3
Sarissa Capital Management
Connecticut
$314M
Wellington Management Group
4
Wellington Management Group
Massachusetts
$150M +$20M +767,373 +13%
State Street
5
State Street
Massachusetts
$144M +$14.5M +556,097 +9%
HJGA
6
Hardman Johnston Global Advisors
Connecticut
$128M +$9.79M +376,543 +7%
Renaissance Technologies
7
Renaissance Technologies
New York
$124M +$6.07M +233,500 +4%
Primecap Management
8
Primecap Management
California
$119M -$1.05M -40,475 -0.8%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$105M -$150M -5,752,767 -55%
T. Rowe Price Investment Management
10
T. Rowe Price Investment Management
Maryland
$102M +$119M +4,562,808 New
AC
11
Armistice Capital
New York
$84.7M +$22.6M +868,000 +30%
Citadel Advisors
12
Citadel Advisors
Florida
$82.2M +$23.4M +899,970 +32%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$65.9M +$1.91M +73,508 +3%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$55.7M -$227K -8,738 -0.3%
Holocene Advisors
15
Holocene Advisors
New York
$54.4M +$12.5M +481,630 +25%
Westfield Capital Management
16
Westfield Capital Management
Massachusetts
$50.2M +$21.6M +829,275 +59%
Goldman Sachs
17
Goldman Sachs
New York
$47M -$4.66M -179,325 -8%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$46.2M -$1.15M -44,153 -2%
Artisan Partners
19
Artisan Partners
Wisconsin
$44.4M +$170K +6,539 +0.3%
Charles Schwab
20
Charles Schwab
California
$43M +$1.28M +49,206 +3%
First Trust Advisors
21
First Trust Advisors
Illinois
$37.7M -$3.82M -147,014 -8%
Jacobs Levy Equity Management
22
Jacobs Levy Equity Management
New Jersey
$35.8M -$1.27M -48,664 -3%
Northern Trust
23
Northern Trust
Illinois
$35.8M -$347K -13,329 -0.8%
Norges Bank
24
Norges Bank
Norway
$34.7M -$694K -26,661 -2%
Nuveen
25
Nuveen
North Carolina
$32.5M -$3.5M -134,732 -8%