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Alkermes

385 hedge funds and large institutions have $6.18B invested in Alkermes in 2026 Q1 according to their latest regulatory filings, with 75 funds opening new positions, 120 increasing their positions, 148 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

10% more call options, than puts

Call options by funds: $12.1M | Put options by funds: $11M

3.89% less ownership

Funds ownership: 109.23%105.34% (-3.9%)

19% less repeat investments, than reductions

Existing positions increased: 120 | Existing positions reduced: 148

Holders
385
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$12.1M
Puts
$11M
Net Calls
Net Calls Change

Top Buyers

1 +$71.9M
2 +$62M
3 +$49.3M
4
First Trust Advisors
First Trust Advisors
Illinois
+$47M
5
Citadel Advisors
Citadel Advisors
Florida
+$32.4M

Top Sellers

1 -$134M
2 -$63.6M
3 -$40.6M
4
JP Morgan Chase
JP Morgan Chase
New York
-$33.6M
5
Squarepoint
Squarepoint
New York
-$25.4M
Name Holding Trade Value Shares
Change
Change in
Stake
PCM
76
Peregrine Capital Management
Minnesota
$8.63M
Capital Fund Management (CFM)
77
Capital Fund Management (CFM)
France
$8.59M
PAI
78
Palo Alto Investors
California
$8.58M
BNP Paribas Asset Management
79
BNP Paribas Asset Management
France
$8.47M
EHI
80
Eagle Health Investments
Connecticut
$8.44M
SIG
81
Senator Investment Group
New York
$8.32M
HP
82
HealthInvest Partners
Sweden
$8.24M
Acadian Asset Management
83
Acadian Asset Management
Massachusetts
$8.05M
Robeco Institutional Asset Management
84
Robeco Institutional Asset Management
Netherlands
$7.8M
EGM
85
Engineers Gate Manager
New York
$7.37M
AllianceBernstein
86
AllianceBernstein
Tennessee
$7.3M
ECM
87
ExodusPoint Capital Management
New York
$7.22M
Neuberger Berman Group
88
Neuberger Berman Group
New York
$6.97M
MAM
89
Martingale Asset Management
Massachusetts
$6.89M
RSCM
90
Rock Springs Capital Management
Maryland
$6.51M
California State Teachers Retirement System (CalSTRS)
91
California State Teachers Retirement System (CalSTRS)
California
$6.5M
Franklin Resources
92
Franklin Resources
California
$6.45M
SG Americas Securities
93
SG Americas Securities
New York
$6.33M
Universal-Beteiligungs- und Servicegesellschaft
94
Universal-Beteiligungs- und Servicegesellschaft
Germany
$6.31M
Barclays
95
Barclays
United Kingdom
$6.19M
Hudson Bay Capital Management
96
Hudson Bay Capital Management
Connecticut
$6.14M
Rafferty Asset Management
97
Rafferty Asset Management
New York
$5.74M
TAM
98
TFG Asset Management
Cayman Islands
$5.65M
MCM
99
Moore Capital Management
New York
$5.6M
Bessemer Group
100
Bessemer Group
New Jersey
$5.6M