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Alkermes

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$839M +$3.27M +115,915 +0.4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$545M -$9.12M -323,563 -2%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$307M +$5.54M +196,457 +2%
State Street
4
State Street
Massachusetts
$256M +$9.36M +332,095 +4%
BBA
5
Baker Bros. Advisors
New York
$243M +$47.4M +1,680,748 +26%
Renaissance Technologies
6
Renaissance Technologies
New York
$189M +$13.6M +482,368 +8%
American Century Companies
7
American Century Companies
Missouri
$132M +$20.9M +740,248 +20%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$122M +$1.07M +37,842 +0.9%
JP Morgan Chase
9
JP Morgan Chase
New York
$118M -$25.6M -908,124 -19%
Dimensional Fund Advisors
10
Dimensional Fund Advisors
Texas
$111M +$17M +601,359 +19%
CC
11
Commodore Capital
New York
$92.9M +$18.2M +646,754 +26%
Primecap Management
12
Primecap Management
California
$82.8M -$4.04M -143,430 -5%
Holocene Advisors
13
Holocene Advisors
New York
$74.1M -$10.8M -384,738 -13%
ACA
14
Avoro Capital Advisors
New York
$67.2M -$18.6M -660,000 -23%
Nuveen
15
Nuveen
North Carolina
$65.2M +$3.54M +125,403 +6%
Charles Schwab
16
Charles Schwab
California
$64.2M +$1.36M +48,324 +2%
Artisan Partners
17
Artisan Partners
Wisconsin
$63.3M +$16M +567,965 +37%
Loomis, Sayles & Company
18
Loomis, Sayles & Company
Massachusetts
$61.5M -$1.72M -61,043 -3%
Goldman Sachs
19
Goldman Sachs
New York
$59.8M +$9.23M +327,248 +20%
Northern Trust
20
Northern Trust
Illinois
$53M -$1.34M -47,429 -3%
PBA
21
Paradigm Biocapital Advisors
New York
$51.6M +$9.69M +343,765 +25%
RI
22
RTW Investments
New York
$50.2M -$84.9M -3,009,933 -64%
Morgan Stanley
23
Morgan Stanley
New York
$46.5M -$7.06M -250,553 -14%
Bank of New York Mellon
24
Bank of New York Mellon
New York
$42.7M -$3.14M -111,420 -7%
First Trust Advisors
25
First Trust Advisors
Illinois
$41.9M +$20.9K +740 +0.1%