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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
Aviva
226
Aviva
United Kingdom
$474K
TAM
227
Todd Asset Management
Kentucky
$471K
X
228
Xponance
Pennsylvania
$443K
FDP
229
Financiere des Professionnels
Quebec, Canada
$437K
OAC
230
OMERS Administration Corp
Ontario, Canada
$417K
Susquehanna International Group
231
Susquehanna International Group
Pennsylvania
$416K
BFG
232
Bleakley Financial Group
New Jersey
$412K
Bank of Montreal
233
Bank of Montreal
Ontario, Canada
$402K
AG
234
Algert Global
California
$401K
VPIM
235
Vanguard Personalized Indexing Management
California
$395K
SLAM
236
Swiss Life Asset Management
$387K
MF
237
Magnetar Financial
Illinois
$383K
HighTower Advisors
238
HighTower Advisors
Illinois
$378K
Sumitomo Mitsui Trust Group
239
Sumitomo Mitsui Trust Group
Japan
$374K
AIP
240
Ameritas Investment Partners
Nebraska
$369K
QCG
241
Quadrant Capital Group
Ohio
$362K
CGH
242
Crossmark Global Holdings
Texas
$355K
XT
243
XTX Topco
Cayman Islands
$345K
Carson Wealth (CWM LLC)
244
Carson Wealth (CWM LLC)
Nebraska
$343K
SA
245
Sanctuary Advisors
Indiana
$340K
AAM
246
Advisors Asset Management
Colorado
$340K
Daiwa Securities Group
247
Daiwa Securities Group
Japan
$329K
Walleye Trading
248
Walleye Trading
New York
$323K
CWM
249
CIBC World Markets
New York
$300K
PNC Financial Services Group
250
PNC Financial Services Group
Pennsylvania
$289K