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Who owns Amarin (AMRN) stock

71 funds reported Amarin (AMRN) shares in their latest 13F filings, worth $69.2M in all. The largest holder is Sarissa Capital Management LP ($26.7M). Last quarter 29 funds added to their stakes and 18 cut them.

Largest holders of AMRN (13F)Largest holders of AMRN (13F)Sarissa Capital Management LP$26.7MAcadian Asset Management LLC$11.5MKynam Capital Management, LP$8.5MMorgan Stanley$3.6MWaterfront Wealth$2.5MEversept Partners, LP$2.3MMillennium Management LLC$1.8MTwo Sigma Investments, LP$1.6MCitadel Advisors LLC$1.5MBNP Paribas Financial Markets$1.1M

Largest holders (13F)

FundSharesValueChangeQuarter
Sarissa Capital Management LP1,673,395$26.7Munchanged2026-06-30
Acadian Asset Management LLC720,984$11.5Mincrease2026-06-30
Kynam Capital Management, LP532,982$8.5Mincrease2026-06-30
Morgan Stanley223,617$3.6Mdecrease2026-06-30
Waterfront Wealth213,707$2.5Mdecrease2026-09-30
Eversept Partners, LP145,296$2.3Mdecrease2026-06-30
Millennium Management LLC115,808$1.8Mnew2026-06-30
Two Sigma Investments, LP100,511$1.6Mdecrease2026-06-30
Citadel Advisors LLC95,364$1.5Mincrease2026-06-30
BNP Paribas Financial Markets71,813$1.1Mdecrease2026-06-30
Renaissance Technologies LLC48,369$771Kincrease2026-06-30
Jane Street Group, LLC37,628$600Knew2026-06-30
George Kaiser Family Foundation37,207$593Knew2026-06-30
SEI Investments29,211$466Knew2026-06-30
Susquehanna International Group, LLP29,001$462Kdecrease2026-06-30

Amarin's latest quarter

Amarin, Q3 2026: revenue $39.5M (-20% year over year), operating margin -6.0%, net earnings $245K, operating cash flow $9.2M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most AMRN stock?

By the latest 13F filings: Sarissa Capital Management LP ($26.7M); Acadian Asset Management LLC ($11.5M); Kynam Capital Management, LP ($8.5M); Morgan Stanley ($3.6M); Waterfront Wealth ($2.5M).

What is the short interest in AMRN?

532,662 shares were sold short at the 2026-10-15 settlement, 0.81% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.