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Amarin Corp PLC

CUSIP: 023111206 | 923 institutional holders

Quarters

Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

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5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13D/ASarissa Capital Management LP25,743,9006.1%New 5%+ stakeAug 25, 202624,850,623 sh (Mar 31, 2025)
13D/ASarissa Capital Management LP25,743,900
6.1% of class · Aug 25, 2026New 5%+ stake
24,850,623 sh (Mar 31, 2025)

Institutional Holders — Q2 2026

Winch Advisory Services, LLC7
0.0% of portfolio›$112
StyleTurnoverLocationFiled
Winch Advisory Services, LLC
7$1120.0%GrowthVery LowAppleton, WI2026-08-06