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Alkermes

Name Holding Trade Value Shares
Change
Change in
Stake
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$560M -$20.2M -909,684 -4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$407M +$16.3M +731,077 +5%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$349M -$140M -6,295,792 -31%
BlackRock
4
BlackRock
New York
$320M +$81.3M +3,654,863 +39%
SCM
5
Sarissa Capital Management
Connecticut
$291M +$87.2M +3,920,000 +49%
Primecap Management
6
Primecap Management
California
$161M -$2.49M -112,070 -2%
Renaissance Technologies
7
Renaissance Technologies
New York
$129M -$17.5M -786,900 -13%
State Street
8
State Street
Massachusetts
$121M +$10.2M +459,735 +10%
CCM
9
Camber Capital Management
Massachusetts
$105M -$28.9M -1,300,000 -23%
AC
10
Armistice Capital
New York
$95.6M +$8.36M +376,000 +11%
First Trust Advisors
11
First Trust Advisors
Illinois
$77.3M -$2.56M -115,128 -4%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$75M +$18.1M +815,113 +36%
Artisan Partners
13
Artisan Partners
Wisconsin
$71.4M -$1.74M -78,020 -3%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$66M +$12.4M +558,943 +26%
Holocene Advisors
15
Holocene Advisors
New York
$54.1M +$49.1M +2,206,997 New
Nuveen
16
Nuveen
North Carolina
$53.2M +$4.52M +203,116 +10%
Goldman Sachs
17
Goldman Sachs
New York
$46M +$22.1M +995,070 +113%
Northern Trust
18
Northern Trust
Illinois
$43.7M +$22.8M +1,026,700 +136%
Dimensional Fund Advisors
19
Dimensional Fund Advisors
Texas
$43.7M +$10.8M +485,629 +37%
Norges Bank
20
Norges Bank
Norway
$43.1M +$1.88M +84,550 +5%
Jacobs Levy Equity Management
21
Jacobs Levy Equity Management
New Jersey
$42M +$6.69M +300,918 +21%
KAM
22
Krensavage Asset Management
New York
$41.4M +$1.37M +61,518 +4%
Charles Schwab
23
Charles Schwab
California
$39.1M +$8.35M +375,454 +31%
Arrowstreet Capital
24
Arrowstreet Capital
Massachusetts
$37.8M +$7.63M +343,111 +29%
BBA
25
Baker Bros. Advisors
New York
$30.1M