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Alkermes

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$801M -$12.2M -425,529 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$532M -$13.7M -475,452 -3%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$352M -$21.3M -742,159 -6%
State Street
4
State Street
Massachusetts
$254M -$10.6M -370,417 -4%
RI
5
RTW Investments
New York
$217M +$26M +903,802 +14%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$202M -$162M -5,645,762 -45%
Renaissance Technologies
7
Renaissance Technologies
New York
$158M +$1.66M +57,697 +1%
BBA
8
Baker Bros. Advisors
New York
$120M
Geode Capital Management
9
Geode Capital Management
Massachusetts
$110M -$1.59M -55,278 -1%
Pacer Advisors
10
Pacer Advisors
Pennsylvania
$99.6M -$20.2M -702,308 -17%
American Century Companies
11
American Century Companies
Missouri
$99.2M +$6.03M +209,740 +6%
Primecap Management
12
Primecap Management
California
$89M -$5.8M -201,605 -6%
Dimensional Fund Advisors
13
Dimensional Fund Advisors
Texas
$86.8M +$3.7M +128,701 +4%
ACA
14
Avoro Capital Advisors
New York
$70.5M +$70.4M +2,450,000 New
Loomis, Sayles & Company
15
Loomis, Sayles & Company
Massachusetts
$66.2M +$12.1M +419,969 +22%
CC
16
Commodore Capital
New York
$66.1M -$17.2M -600,000 -21%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$61.4M -$1.62M -56,380 -3%
Charles Schwab
18
Charles Schwab
California
$59.5M -$1.09M -38,088 -2%
Artisan Partners
19
Artisan Partners
Wisconsin
$57.2M +$1.45M +50,470 +3%
Norges Bank
20
Norges Bank
Norway
$56.7M -$3.71M -128,912 -6%
Northern Trust
21
Northern Trust
Illinois
$55M +$4.81M +167,452 +10%
Morgan Stanley
22
Morgan Stanley
New York
$52.3M -$21.6M -750,338 -29%
Nuveen
23
Nuveen
North Carolina
$47.7M +$24.9M +867,492 +109%
CCM
24
Camber Capital Management
Massachusetts
$43.1M +$37.4M +1,300,000 +650%
First Trust Advisors
25
First Trust Advisors
Illinois
$43M -$8.26M -287,484 -16%