Who owns AMARIN CORP PLC\UK?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of AMRN from SEC Form 13F filings across 79 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 79 institutions disclosed 4.6M shares of AMARIN CORP PLC\UK worth $73.4M — about 22.2% of shares outstanding; the largest disclosed holder is Sarissa Capital Management LP. Source: SEC Form 13F filings, parsed by EvidInvest.
79
13F holders
$73.4M
value, 2026 filers
22.2%
of shares outstanding (4.6M sh)
21
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of AMRN's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Sarissa Capital Management LP | 1.7M | $26.7M | 15.0% | 8% | 0.0% |
| 2 | ACADIAN ASSET MANAGEMENT LLC | 720,984 | $11.5M | 0.0% | 3.5% | +13.2% |
| 3 | Kynam Capital Management, LP | 532,982 | $8.5M | 0.5% | 2.6% | +12.8% |
| 4 | MORGAN STANLEY | 223,617 | $3.6M | 0.0% | 1.1% | -23.7% |
| 5 | Waterfront Wealth Inc. | 213,949 | $3.2M | 0.5% | 1% | +5.2% |
| 6 | Brooklands Fund Management LtdNEW | 177,325 | $2.7M | 2.1% | 0.9% | new |
| 7 | Eversept Partners, LP | 145,296 | $2.3M | 0.1% | 0.7% | -1.6% |
| 8 | MILLENNIUM MANAGEMENT LLC | 115,808 | $1.8M | 0.0% | 0.6% | -61.5% |
| 9 | TWO SIGMA INVESTMENTS, LP | 100,511 | $1.6M | 0.0% | 0.5% | -6.5% |
| 10 | CITADEL ADVISORS LLC | 95,364 | $1.5M | 0.0% | 0.5% | +18.4% |
| 11 | BNP PARIBAS FINANCIAL MARKETS | 71,813 | $1.1M | 0.0% | 0.3% | -4.9% |
| 12 | LCM Capital Management Inc | 51,362 | $818,710 | 0.4% | 0.2% | +18.2% |
| 13 | RENAISSANCE TECHNOLOGIES LLC | 48,369 | $771,002 | 0.0% | 0.2% | +151.2% |
| 14 | JANE STREET GROUP, LLCNEW | 37,628 | $599,790 | 0.0% | 0.2% | new |
| 15 | George Kaiser Family FoundationNEW | 37,207 | $593,080 | 0.1% | 0.2% | new |
| 16 | SEI INVESTMENTS CONEW | 29,211 | $465,628 | 0.0% | 0.1% | new |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 29,001 | $462,276 | 0.0% | 0.1% | -23.0% |
| 18 | STATE STREET CORP | 25,016 | $398,755 | 0.0% | 0.1% | +0.3% |
| 19 | Bleakley Financial Group, LLC | 23,505 | $374,670 | 0.0% | 0.1% | -0.3% |
| 20 | AMERIPRISE FINANCIAL INC | 18,982 | $302,573 | 0.0% | 0.1% | +4.2% |
| 21 | State of New Jersey Common Pension Fund D | 18,879 | $300,931 | 0.0% | 0.1% | 0.0% |
| 22 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 18,370 | $292,818 | 0.0% | 0.1% | 0.0% |
| 23 | RAYMOND JAMES FINANCIAL INC | 18,165 | $289,550 | 0.0% | 0.1% | -4.8% |
| 24 | R Squared LtdNEW | 16,938 | $269,992 | 0.1% | 0.1% | new |
| 25 | State of Tennessee, Department of Treasury | 15,004 | $239,164 | 0.0% | 0.1% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.