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Alkermes

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$1B +$1.3M +41,998 +0.1%
BBA
2
Baker Bros. Advisors
New York
$354M
Vanguard Portfolio Management
3
Vanguard Portfolio Management
Pennsylvania
$336M +$295M +9,511,112 New
State Street
4
State Street
Massachusetts
$335M -$235K -7,572 -0.1%
Vanguard Capital Management
5
Vanguard Capital Management
Pennsylvania
$263M +$230M +7,427,397 New
Renaissance Technologies
6
Renaissance Technologies
New York
$218M -$15.7M -507,600 -8%
American Century Companies
7
American Century Companies
Missouri
$215M +$3.58M +115,279 +2%
T. Rowe Price Associates
8
T. Rowe Price Associates
Maryland
$165M -$134M -4,334,387 -48%
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$160M +$3.4M +109,595 +2%
CC
10
Commodore Capital
New York
$149M +$20.2M +650,000 +18%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$148M +$3.15M +101,491 +2%
DTC
12
Deep Track Capital
Connecticut
$127M +$49.3M +1,590,323 +80%
JP Morgan Chase
13
JP Morgan Chase
New York
$124M -$33.6M -1,082,758 -21%
Wellington Management Group
14
Wellington Management Group
Massachusetts
$105M -$1.56M -50,276 -2%
First Trust Advisors
15
First Trust Advisors
Illinois
$105M +$47M +1,514,783 +104%
Primecap Management
16
Primecap Management
California
$89.8M -$754K -24,310 -0.9%
Nuveen
17
Nuveen
North Carolina
$87M +$1.04M +33,541 +1%
Holocene Advisors
18
Holocene Advisors
New York
$81.9M +$71.9M +2,317,326 New
Citadel Advisors
19
Citadel Advisors
Florida
$79.3M +$32.4M +1,043,316 +87%
Charles Schwab
20
Charles Schwab
California
$79.1M +$2.61M +84,000 +4%
BI
21
BVF Inc
California
$70.7M +$62M +2,000,000 New
SCM
22
Soleus Capital Management
Connecticut
$69.7M +$20.1M +648,500 +49%
Goldman Sachs
23
Goldman Sachs
New York
$66.6M -$12M -385,410 -17%
Loomis, Sayles & Company
24
Loomis, Sayles & Company
Massachusetts
$63.1M -$3.66M -117,941 -6%
Morgan Stanley
25
Morgan Stanley
New York
$61.4M -$4.73M -152,396 -8%