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Alkermes

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$792M -$22.1M -829,110 -3%
Vanguard Group
2
Vanguard Group
Pennsylvania
$531M -$27.4M -1,028,235 -5%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$364M +$53M +1,986,294 +18%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$354M -$45.2M -1,696,507 -12%
State Street
5
State Street
Massachusetts
$257M -$791K -29,666 -0.3%
RI
6
RTW Investments
New York
$186M -$10.7M -402,955 -6%
Renaissance Technologies
7
Renaissance Technologies
New York
$152M -$1.67M -62,800 -1%
BBA
8
Baker Bros. Advisors
New York
$117M
Pacer Advisors
9
Pacer Advisors
Pennsylvania
$117M -$39.3M -1,475,252 -26%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$108M -$1.6M -60,037 -2%
DTC
11
Deep Track Capital
Connecticut
$98M
Primecap Management
12
Primecap Management
California
$92.3M -$2.36M -88,680 -3%
American Century Companies
13
American Century Companies
Missouri
$90.7M +$27.7M +1,037,511 +47%
CC
14
Commodore Capital
New York
$81.2M +$40.7M +1,525,000 +111%
Dimensional Fund Advisors
15
Dimensional Fund Advisors
Texas
$80.9M +$181K +6,795 +0.2%
Morgan Stanley
16
Morgan Stanley
New York
$71.9M +$12.1M +453,741 +21%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$61.4M -$6.11M -229,164 -9%
Charles Schwab
18
Charles Schwab
California
$59M -$7.35M -275,518 -12%
Norges Bank
19
Norges Bank
Norway
$58.8M -$776K -29,090 -1%
Artisan Partners
20
Artisan Partners
Wisconsin
$54.3M -$2.24M -84,163 -4%
Bank of America
21
Bank of America
North Carolina
$52.7M -$2.06M -77,242 -4%
Loomis, Sayles & Company
22
Loomis, Sayles & Company
Massachusetts
$52.7M +$39.4M +1,478,422 +365%
First Trust Advisors
23
First Trust Advisors
Illinois
$49.9M +$6.48M +243,023 +16%
Goldman Sachs
24
Goldman Sachs
New York
$48.9M +$13.5M +507,981 +41%
Northern Trust
25
Northern Trust
Illinois
$48.8M -$748K -28,071 -2%