AMARIN CORP PLC -ADR (AMRN) Institutional Ownership Changes & 13F Activity
AMARIN CORP PLC -ADR (AMRN). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Millennium Management Llc, Brooklands Fund Management Ltd, Acadian Asset Management Llc, Morgan Stanley, and Kynam Capital Management, Lp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +14,789 | +18.4% | 95,364 | $1.52M | Q2 2026 | Sep 02, 2026 |
| Millennium Management Llc | Sell | -184,728 | -61.5% | 115,808 | $1.85M | Q2 2026 | Aug 14, 2026 |
| Kynam Capital Management, Lp | Buy | +60,600 | +12.8% | 532,982 | $8.50M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Buy | +37,628 | — | 37,628 | $599.79K | Q2 2026 | Aug 14, 2026 |
| Sei Investments Co | Buy | +29,211 | — | 29,211 | $465.63K | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +18,982 | — | 18,982 | $302.57K | Q2 2026 | Aug 14, 2026 |
| Verdad Advisers, Lp | Buy | +10,431 | — | 10,431 | $166.27K | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Sell | -8,666 | -23.0% | 29,001 | $462.28K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -7,031 | -6.5% | 100,511 | $1.60M | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Buy | +2,533 | +22.3% | 13,913 | $221.77K | Q2 2026 | Aug 14, 2026 |
| Eversept Partners, Lp | Sell | -2,419 | -1.6% | 145,296 | $2.32M | Q2 2026 | Aug 14, 2026 |
| Osaic Holdings, Inc. | Buy | +2,174 | +23.1% | 11,565 | $184.33K | Q2 2026 | Aug 14, 2026 |
| Raymond James Financial Inc | Sell | -910 | -4.8% | 18,165 | $289.55K | Q2 2026 | Aug 14, 2026 |
| Jones Financial Companies Lllp | Buy | +339 | +220.1% | 493 | $7.84K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Buy | +305 | — | 305 | $4.86K | Q2 2026 | Aug 14, 2026 |
| Group One Trading Llc | Buy | +101 | +348.3% | 130 | $2.07K | Q2 2026 | Aug 14, 2026 |
| Royal Bank Of Canada | Sell | -26 | -1.4% | 1,877 | $30.00K | Q2 2026 | Aug 14, 2026 |
| Acadian Asset Management Llc | Buy | +84,215 | +13.2% | 720,984 | $11.47M | Q2 2026 | Aug 13, 2026 |
| Morgan Stanley | Sell | -69,555 | -23.7% | 223,617 | $3.56M | Q2 2026 | Aug 13, 2026 |
| Renaissance Technologies LLC | Buy | +29,113 | +151.2% | 48,369 | $771.00K | Q2 2026 | Aug 13, 2026 |
| Entrypoint Capital, Llc | Buy | +12,226 | — | 12,226 | $194.88K | Q2 2026 | Aug 13, 2026 |
| Jump Financial, Llc | Buy | +12,008 | — | 12,008 | $191.41K | Q2 2026 | Aug 13, 2026 |
| Bnp Paribas Financial Markets | Sell | -3,690 | -4.9% | 71,813 | $1.14M | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Sell | -3,129 | -23.7% | 10,063 | $160.40K | Q2 2026 | Aug 13, 2026 |
| Steward Partners Investment Advisory, Llc | Sell | -56 | -0.6% | 8,910 | $142.03K | Q2 2026 | Aug 13, 2026 |
| George Kaiser Family Foundation | Buy | +37,207 | — | 37,207 | $593.08K | Q2 2026 | Aug 12, 2026 |
| Newedge Advisors, Llc | Buy | +1,347 | — | 1,347 | $21.47K | Q2 2026 | Aug 12, 2026 |
| Rhumbline Advisers | Buy | +394 | +11.8% | 3,733 | $59.50K | Q2 2026 | Aug 12, 2026 |
| Jpmorgan Chase & Co | Buy | +242 | — | 242 | $3.85K | Q2 2026 | Aug 12, 2026 |
| Brooklands Fund Management Ltd | Buy | +161,729 | +1037.0% | 177,325 | $2.74M | Q2 2026 | Aug 11, 2026 |
Frequently asked questions about AMRN activity
Which institutional owners are buying AMRN?
Institutional owners buying AMRN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in AMRN activity?
"Buy" means an investor increased their reported position in AMRN compared to the prior reporting period. This reflects growing exposure to AMARIN CORP PLC -ADR (AMRN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in AMRN increasing?
Institutional interest in AMRN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related AMRN Institutional Insights
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