ALKS — ALKERMES PLC

Ownership history in Caption Management, LLC  ·  46 quarters on record

This page tracks every 13F SEC filing in which Caption Management, LLC reported a position in ALKERMES PLC (ALKS). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.41% (2023 Q1)
Avg. % of fund
0.08%
First filed
2018 Q3
Last filed
2025 Q3
Quarters held
46
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 390,700 +373,700 +2198.2% 0.09% $11.7M $30.00
2025 Q2 ADDED 17,000 +10,540 +163.2% 0.01% $486K $28.61
2025 Q2 REDUCED 6,460 -24,040 -78.8% 0.00% $185K $28.61
2025 Q1 REDUCED 30,500 -40,847 -57.3% 0.01% $1.0M $33.02
42 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    ALKS price (monthly, adj. close)

Other funds also holding ALKS

As of 2025 Q4 — sorted by position size

Commodore Capital LP 3Y 6.61% Atle Fund Management AB 3Y 7Y 2.16% Opaleye Management Inc. 3Y 7Y 1.81% BAKER BROS. ADVISORS LP 3Y 7Y 1.64% Affinity Asset Advisors, LLC 3Y 1.59% Soleus Capital Management, L.P. 3Y 1.36% Knott David M Jr 3Y 1.23% Krensavage Asset Management, LLC 3Y 7Y 1.07% Deep Track Capital, LP 3Y 1.0% Palo Alto Investors LP 3Y 7Y 0.94%
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