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Alkermes
ALKS

371 hedge funds and large institutions have $5.69B invested in Alkermes in 2025 Q1 according to their latest regulatory filings, with 61 funds opening new positions, 128 increasing their positions, 133 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

110% more first-time investments, than exits

New positions opened: 61 | Existing positions closed: 29

18% more capital invested

Capital invested by funds: $4.81B → $5.69B (+$874M)

8% more funds holding

Funds holding: 343 → 371 (+28)

2.5% more ownership

Funds ownership: 103.45% → 105.95% (+2.5%)

4% less repeat investments, than reductions

Existing positions increased: 128 | Existing positions reduced: 133

14% less funds holding in top 10

Funds holding in top 10: 7 → 6 (-1)

46% less call options, than puts

Call options by funds: $7.68M | Put options by funds: $14.3M

Holders
371
Holders Change
+28
Holders Change %
+8.16%
% of All Funds
4.98%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.08%
New
61
Increased
128
Reduced
133
Closed
29
Calls
$7.68M
Puts
$14.3M
Net Calls
-$6.6M
Net Calls Change
-$9.6M

Top Buyers

1
JP Morgan Chase
JP Morgan Chase
New York
+$142M
2
UBS Group
UBS Group
Switzerland
+$88.8M
3
Holocene Advisors
Holocene Advisors
New York
+$62.5M
4
FCM
Farallon Capital Management
California
+$45.3M
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$43.4M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$128M
2
Pacer Advisors
Pacer Advisors
Pennsylvania
-$83.9M
3
CCM
Camber Capital Management
Massachusetts
-$43.1M
4
State Street
State Street
Massachusetts
-$25.8M
5
SI
Sofinnova Investments
California
-$25.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
SOADOR
126
State of Alaska Department of Revenue
Alaska
$2.98M -$60.4K -1,853 -2%
New York State Teachers Retirement System (NYSTRS)
127
New York State Teachers Retirement System (NYSTRS)
New York
$2.96M +$79.1K +2,425 +3%
SFI
128
Susquehanna Fundamental Investments
Pennsylvania
$2.87M – – –
IIM
129
INTECH Investment Management
Florida
$2.83M +$568K +17,413 +26%
Creative Planning
130
Creative Planning
Kansas
$2.82M +$457K +14,010 +20%
Citadel Advisors
131
Citadel Advisors
Florida
$2.79M +$1.02M +31,161 +59%
CF
132
Corebridge Financial
Texas
$2.78M -$53K -1,625 -2%
IMRF
133
Illinois Municipal Retirement Fund
Illinois
$2.73M +$22.9K +702 +0.9%
MAP
134
Moody Aldrich Partners
Massachusetts
$2.68M -$40.4K -1,239 -2%
HSBC Holdings
135
HSBC Holdings
United Kingdom
$2.64M +$1.68M +51,393 +173%
GAM
136
Gotham Asset Management
New York
$2.63M +$1.59M +48,731 +158%
Federated Hermes
137
Federated Hermes
Pennsylvania
$2.63M -$8.96M -274,659 -78%
Robeco Institutional Asset Management
138
Robeco Institutional Asset Management
Netherlands
$2.54M -$1.49M -45,636 -37%
LSERS
139
Louisiana State Employees Retirement System
Louisiana
$2.53M -$52.2K -1,600 -2%
CCIA
140
Campbell & Co Investment Adviser
Maryland
$2.48M +$2.45M +75,069 New
State of Tennessee, Department of Treasury
141
State of Tennessee, Department of Treasury
Tennessee
$2.43M -$45.3K -1,389 -2%
CM
142
Caption Management
Oklahoma
$2.36M +$1.91M +58,547 +457%
HS
143
HighVista Strategies
Massachusetts
$2.34M +$532K +16,316 +30%
Tudor Investment Corp
144
Tudor Investment Corp
Connecticut
$2.32M +$1.73M +53,196 +311%
KK
145
KLP Kapitalforvaltning
Norway
$2.27M -$81.5K -2,500 -4%
Allspring Global Investments
146
Allspring Global Investments
North Carolina
$2.26M -$731K -22,414 -24%
Assenagon Asset Management
147
Assenagon Asset Management
Luxembourg
$2.25M -$398K -12,196 -15%
Amundi
148
Amundi
France
$2.13M -$532K -16,318 -20%
YCM
149
Yousif Capital Management
Michigan
$2.03M -$42.2K -1,294 -2%
ANTB
150
AMG National Trust Bank
Colorado
$1.97M -$4.4K -135 -0.2%
4 5
6
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ALKS Hedge Fund Activity: Q1 2025 in Review

371 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Alkermes (ALKS) for Q1 2025, worth a combined $5.69B — up 18% from $4.81B a quarter earlier.

Buyers outnumbered sellers: 61 funds opened new ALKS positions and 29 closed out — a net gain of 32 holders — while 128 added to existing stakes and 133 trimmed.

The largest buyer was JP Morgan Chase, adding an estimated $142M. The largest seller was Wellington Management Group, cutting an estimated $128M.

  • 371 institutional investors held Alkermes (ALKS) as of Q1 2025, up from 343 in Q4 2024.
  • Funds reported $5.69B of Alkermes stock for Q1 2025, up 18% quarter-over-quarter.
  • 61 funds opened new Alkermes positions in Q1 2025 and 29 closed out, a net change of +32 holders.
  • The largest Alkermes buyer in Q1 2025 was JP Morgan Chase, an estimated $142M added.
  • The largest Alkermes seller in Q1 2025 was Wellington Management Group, an estimated $128M sold.

Based on aggregated 13F filings for Q1 2025.