AMARIN CORP PLC -ADR (AMRN) Institutional Ownership and Insiders Activity

AMARIN CORP PLC -ADR (AMRN) is widely held by institutional investors, with 79 firms reporting positions valued at approximately $73.32M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Sarissa Capital Management Lp is the largest disclosed holder, reporting approximately $26.67M in AMRN holdings in its latest filing.

Recent insider activity includes 20 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.