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Alkermes

Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$525M +$1.88M +69,064 +0.4%
BlackRock
2
BlackRock
New York
$469M +$5.37M +197,079 +1%
SCM
3
Sarissa Capital Management
Connecticut
$253M
Wellington Management Group
4
Wellington Management Group
Massachusetts
$189M +$18.1M +665,957 +11%
HJGA
5
Hardman Johnston Global Advisors
Connecticut
$170M +$12.3M +451,615 +8%
State Street
6
State Street
Massachusetts
$163M -$18.3M -672,366 -10%
CWM
7
CIBC World Markets
New York
$143M
Renaissance Technologies
8
Renaissance Technologies
New York
$139M -$19.2M -705,600 -13%
Primecap Management
9
Primecap Management
California
$118M -$16.5M -605,040 -13%
Westfield Capital Management
10
Westfield Capital Management
Massachusetts
$101M +$5.15M +188,998 +6%
Citadel Advisors
11
Citadel Advisors
Florida
$98.2M -$80.2M -2,943,669 -46%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$89.5M +$3.55M +130,271 +4%
DTC
13
Deep Track Capital
Connecticut
$84.6M +$81.7M +3,000,000 New
PCH
14
Polar Capital Holdings
United Kingdom
$81.4M +$17.3M +636,574 +28%
Viking Global Investors
15
Viking Global Investors
Connecticut
$78.4M +$75.8M +2,781,917 New
PAMS
16
Pictet Asset Management (Switzerland)
Switzerland
$78.2M +$55.6M +2,040,819 +279%
Holocene Advisors
17
Holocene Advisors
New York
$77.9M +$3.28M +120,573 +5%
AC
18
Armistice Capital
New York
$76.8M -$4.8M -176,000 -6%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$74.9M +$4.32M +158,721 +6%
Millennium Management
20
Millennium Management
New York
$71M -$24.8M -909,367 -27%
PI
21
Putnam Investments
Massachusetts
$68.4M -$11.4M -419,239 -15%
Dimensional Fund Advisors
22
Dimensional Fund Advisors
Texas
$61.1M +$59M +2,165,922 New
Nuveen
23
Nuveen
North Carolina
$56.3M +$4.17M +152,965 +8%
Charles Schwab
24
Charles Schwab
California
$54.9M -$605K -22,190 -1%
First Trust Advisors
25
First Trust Advisors
Illinois
$54.1M -$2.41M -88,426 -4%