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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
Los Angeles Capital Management
176
Los Angeles Capital Management
California
$1.31M -$200K -6,135 -13%
Vontobel Holding
177
Vontobel Holding
Switzerland
$1.31M -$281K -8,606 -18%
Nisa Investment Advisors
178
Nisa Investment Advisors
Missouri
$1.3M -$1.77M -54,200 -58%
Zurich Cantonal Bank
179
Zurich Cantonal Bank
Switzerland
$1.29M +$22.8K +699 +2%
RPAM
180
Rhenman & Partners Asset Management
Sweden
$1.29M -$1.27M -38,999 -50%
COPPSERS
181
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.28M +$143K +4,373 +13%
FAM
182
Fred Alger Management
New York
$1.24M +$1.22M +37,511 New
OPERF
183
Oregon Public Employees Retirement Fund
Oregon
$1.23M -$24.7K -758 -2%
PA
184
Profund Advisors
Maryland
$1.23M -$330K -10,116 -21%
CWM
185
CIBC World Markets
New York
$1.18M +$674K +20,663 +137%
IC
186
IEQ Capital
California
$1.16M -$48.8K -1,495 -4%
PFSRSONJ
187
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.15M – – –
TI
188
Tidal Investments
Wisconsin
$1.15M -$136K -4,181 -11%
FRM
189
Fox Run Management
Connecticut
$1.11M -$1.08M -33,134 -50%
TC
190
TwinBeech Capital
New York
$1.09M +$1.08M +33,016 New
EGM
191
Engineers Gate Manager
New York
$1.09M +$1.08M +32,983 New
CUAMC
192
China Universal Asset Management Company
China
$1.08M -$55.1K -1,690 -5%
AI
193
AXS Investments
New York
$1.03M +$1.02M +31,200 New
JG
194
Jain Global
New York
$993K +$164K +5,038 +20%
Squarepoint
195
Squarepoint
New York
$983K -$6.3M -193,305 -87%
PCS
196
Private Client Services
Kentucky
$929K +$917K +28,132 New
Bank of Montreal
197
Bank of Montreal
Ontario, Canada
$926K +$204K +6,265 +29%
OSAM
198
O'Shaughnessy Asset Management
Connecticut
$922K +$448K +13,732 +97%
LPL Financial
199
LPL Financial
California
$897K +$885K +27,151 New
VI
200
Vestcor Inc
New Brunswick, Canada
$880K +$433K +13,268 +99%
6 7
8
9 10

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.