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Which hedge funds own ALKS? ALKERMES PLC, Q2 2026 13F holders

HealthcareDrug Manufacturers - Specialty & Generic

56 tracked hedge funds disclosed a position in ALKS (ALKERMES PLC) in their Q2 2026 13F filings, worth $2.3bn in total. The largest holder by portfolio weight is Commodore Capital LP at 9.4% of its book. 15 opened a new position this quarter: Artia Global Partners LP, Summit Partners Public Asset Management, LLC, Cinctive Capital Management LP, Atika Capital Management LLC. 16 exited: Krensavage Asset Management, LLC, Diadema Partners LP, Logos Global Management LP.

56
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
15
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
16
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$184m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$84.9m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$2.3bn
Combined value
Sum of the holders' reported positions in the security.
4.5%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

56 rows
Commodore Capital LP Hedge fund9.4%$157m3.00m−29%reduced
Spruce Street Capital LP Hedge fund5.6%$28.5m543,876+71%added
Artia Global Partners LP Hedge fund4.5%$23.5m448,964–new
Prosight Management, LP Hedge fund3.6%$20.7m394,389−23%reduced
Deep Track Capital, LP Hedge fund3.1%$210m4.00m+11%added
Affinity Asset Advisors, LLC Hedge fund2.9%$58.9m1.13m−17%reduced
Baker Bros. Advisors LP Hedge fund2.6%$525m10.01m0.0%held
Eagle Health Investments LP Hedge fund2.6%$15.6m297,302+25%added
Stempoint Capital LP Hedge fund2.2%$13.0m248,015+208%added
HighVista Strategies LLC Hedge fund2.1%$9.4m179,256+145%added
Exome Asset Management LLC Hedge fund2.0%$3.2m61,336−27%reduced
Soleus Capital Management, L.P. Hedge fund1.9%$53.9m1.03m−48%reduced
Palo Alto Investors LP Hedge fund1.8%$12.7m242,5600.0%held
Tetragon Partners GP Ltd Hedge fund1.6%$10.0m189,979+19%added
Summit Partners Public Asset Management, LLC Hedge fund1.3%$49.8m950,234–new
Birchview Capital, LP Hedge fund1.2%$2.6m50,0000.0%held
DAFNA Capital Management LLC Hedge fund1.0%$5.3m101,266−27%reduced
Frazier Life Sciences Management, L.P. Hedge fund0.8%$36.7m700,6470.0%held
RTW Investments, LP Hedge fund0.7%$87.6m1.67m0.0%held
Silverarc Capital Management, LLC Hedge fund0.7%$5.9m113,494−75%reduced
Senator Investment Group LP Hedge fund0.5%$14.4m275,000+17%added
Rock Springs Capital Management LP Hedge fund0.5%$10.5m199,811+8.6%added
Renaissance Technologies LLC Hedge fund0.5%$339m6.46m+4.9%added
Holocene Advisors, LP Hedge fund0.4%$189m3.60m+55%added
Militia Capital Management LLC Hedge fund0.4%$2.0m38,618+21%added
Cinctive Capital Management LP Hedge fund0.3%$7.3m138,603–new
Atika Capital Management LLC Hedge fund0.3%$2.9m55,571–new
Integral Health Asset Management, LLC Hedge fund0.2%$5.2m100,000–new
Seven Fleet Capital Management LP Hedge fund0.2%$1.2m23,285−3.7%reduced
SummitTX Capital, L.P. Hedge fund0.2%$7.0m134,194−14%reduced
Persistent Asset Partners Ltd Hedge fund0.2%$489k9,338−63%reduced
Aquatic Capital Management LLC Hedge fund0.1%$3.5m66,877–new
Adage Capital Partners GP, L.L.C. Hedge fund0.1%$71.7m1.37m–new
Moore Capital Management, LP Hedge fund0.09%$4.0m76,540−52%reduced
Woodline Partners LP Hedge fund0.09%$29.4m560,282+0.3%held
Schonfeld Strategic Advisors LLC Hedge fund0.05%$10.2m195,174+1077%added
Citadel Advisors LLC Hedge fund0.05%$86.2m1.65m−27%reduced
Marshall Wace, LLP Hedge fund0.04%$50.8m969,954−2.9%reduced
D. E. Shaw & Co., Inc. Hedge fund0.04%$68.7m1.31m+85%added
Two Sigma Investments, LP Hedge fund0.04%$54.4m1.04m+33%added
CenterBook Partners LP Hedge fund0.02%$388k7,403−81%reduced
Caption Management, LLC Hedge fund0.02%$524k10,000–new
ExodusPoint Capital Management, LP Hedge fund0.02%$1.7m31,684−84%reduced
Quantbot Technologies LP Hedge fund0.01%$358k6,829–new
Balyasny Asset Management L.P. Hedge fund0.01%$7.5m142,366−76%reduced
Capital Fund Management S.A. Hedge fund0.01%$1.7m33,281−86%reduced
Horizon Kinetics (Murray Stahl) Long-only investor0.01%$1.1m20,132−4.6%reduced
Squarepoint Ops LLC Hedge fund0.01%$6.0m115,195−59%reduced
Millennium Management LLC Hedge fund0.01%$16.7m319,595–new
Boothbay Fund Management, LLC Hedge fund0.01%$474k9,050–new