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Alkermes

362 hedge funds and large institutions have $5.05B invested in Alkermes in 2025 Q4 according to their latest regulatory filings, with 57 funds opening new positions, 143 increasing their positions, 123 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

more funds holding

Funds holding:

1% less capital invested

Capital invested by funds: $5.08B → $5.05B (-$35.1M)

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
362
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$5.84M
Puts
$22.4M
Net Calls
Net Calls Change

Top Buyers

1 +$79.2M
2 +$59.9M
3 +$57.5M
4
UBS Group
UBS Group
Switzerland
+$53.6M
5
American Century Companies
American Century Companies
Missouri
+$46.7M

Top Sellers

1 -$74.1M
2 -$51.6M
3 -$37.1M
4
ACA
Avoro Capital Advisors
New York
-$25.2M
5
Artisan Partners
Artisan Partners
Wisconsin
-$22.8M
Name Holding Trade Value Shares
Change
Change in
Stake
ZIM
126
Zacks Investment Management
Illinois
$2.36M
Tudor Investment Corp
127
Tudor Investment Corp
Connecticut
$2.31M
VA
128
Vident Advisory
Georgia
$2.3M
EHI
129
Eagle Health Investments
Connecticut
$2.29M
KK
130
KLP Kapitalforvaltning
Norway
$2.27M
PA
131
Profund Advisors
Maryland
$2.26M
State of Tennessee, Department of Treasury
132
State of Tennessee, Department of Treasury
Tennessee
$2.25M
YIH
133
Y-Intercept (HK)
Hong Kong
$2.22M
Pathstone Holdings
134
Pathstone Holdings
New Jersey
$2.19M
New York State Teachers Retirement System (NYSTRS)
135
New York State Teachers Retirement System (NYSTRS)
New York
$2.16M
LSERS
136
Louisiana State Employees Retirement System
Louisiana
$2.12M
Citigroup
137
Citigroup
New York
$2.05M
CCIA
138
Campbell & Co Investment Adviser
Maryland
$2.05M
MOACM
139
Mutual of America Capital Management
New York
$2.04M
Natixis Advisors
140
Natixis Advisors
Massachusetts
$2.03M
TRSOTSOK
141
Teachers Retirement System of the State of Kentucky
Kentucky
$1.84M
AI
142
Atom Investors
Texas
$1.84M
RWM
143
Ritholtz Wealth Management
New York
$1.79M
ET
144
Entropy Technologies
New York
$1.78M
ACM
145
ADAR1 Capital Management
Texas
$1.78M
GAM
146
Gotham Asset Management
New York
$1.75M
EF
147
Empowered Funds
Pennsylvania
$1.71M
Creative Planning
148
Creative Planning
Kansas
$1.7M
Jane Street
149
Jane Street
New York
$1.7M
GC
150
Globeflex Capital
California
$1.69M