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Alkermes

366 hedge funds and large institutions have $5.05B invested in Alkermes in 2025 Q4 according to their latest regulatory filings, with 59 funds opening new positions, 145 increasing their positions, 123 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed

26% more first-time investments, than exits

New positions opened: 59 | Existing positions closed: 47

18% more repeat investments, than reductions

Existing positions increased: 145 | Existing positions reduced: 123

6.51% more ownership

Funds ownership: 102.74%109.24% (+6.5%)

2% more funds holding

Funds holding: 358366 (+8)

1% less capital invested

Capital invested by funds: $5.08B → $5.05B (-$32.7M)

67% less funds holding in top 10

Funds holding in top 10: 31 (-2)

74% less call options, than puts

Call options by funds: $5.84M | Put options by funds: $22.4M

Holders
366
Holders Change
+8
Holders Change %
+2.23%
% of All Funds
4.45%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.01%
New
59
Increased
145
Reduced
123
Closed
47
Calls
$5.84M
Puts
$22.4M
Net Calls
-$16.5M
Net Calls Change
-$30.3M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$791M +$9M +300,334 +1%
Vanguard Group
2
Vanguard Group
Pennsylvania
$504M -$5.16M -172,147 -0.9%
BBA
3
Baker Bros. Advisors
New York
$280M +$57.5M +1,920,916 +24%
State Street
4
State Street
Massachusetts
$265M +$27.9M +932,507 +11%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$252M -$37.1M -1,239,394 -12%
Renaissance Technologies
6
Renaissance Technologies
New York
$187M +$11.2M +375,500 +6%
American Century Companies
7
American Century Companies
Missouri
$167M +$46.7M +1,559,353 +35%
JP Morgan Chase
8
JP Morgan Chase
New York
$145M +$37.6M +1,256,377 +32%
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$123M +$21.4M +714,787 +19%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$114M +$581K +19,382 +0.5%
CC
11
Commodore Capital
New York
$99.3M +$13.6M +453,246 +15%
Wellington Management Group
12
Wellington Management Group
Massachusetts
$84.5M +$79.2M +2,645,252 +705%
Primecap Management
13
Primecap Management
California
$71.7M -$5.83M -194,780 -7%
UBS Group
14
UBS Group
Switzerland
$71.2M +$53.6M +1,790,729 +237%
N
15
Nuveen
North Carolina
$67.9M +$7.59M +253,552 +12%
Goldman Sachs
16
Goldman Sachs
New York
$63.4M +$8.17M +272,643 +14%
Charles Schwab
17
Charles Schwab
California
$60.2M +$371K +12,383 +0.6%
DTC
18
Deep Track Capital
Connecticut
$56M +$59.9M +2,000,000 New
Norges Bank
19
Norges Bank
Norway
$54.4M +$58.3M +1,945,734 New
Loomis, Sayles & Company
20
Loomis, Sayles & Company
Massachusetts
$53.2M -$4.38M -146,329 -7%
Morgan Stanley
21
Morgan Stanley
New York
$52.8M +$10.1M +336,988 +22%
RI
22
RTW Investments
New York
$46.8M
Northern Trust
23
Northern Trust
Illinois
$46.3M -$3.38M -112,705 -6%
Pictet Asset Management
24
Pictet Asset Management
Switzerland
$41.3M +$17.5M +584,168 +65%
First Trust Advisors
25
First Trust Advisors
Illinois
$40.7M +$1.68M +55,981 +4%