AMARIN CORP PLC AMRN
SPONSORED ADR · ADR · CUSIP 023111404
Biopharmaceutical company
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersBedminster, United States
- Founded1993
- Websiteamarincorp.com
- FilingsSEC EDGAR
80
institutional holders
+13 vs Q1 2026
4.6m
shares reported held*
$73.4mreported value*
20 new
15 added
13 reduced
7 sold out
net bought ≈ $468.1k (+29.4k shares)
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $15.87. Options: 4 managers hold calls ($1.3m notional), 5 hold puts ($915.0k).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q1 2025 | 11 |
| Q2 2025 | 88 |
| Q3 2025 | 90 |
| Q4 2025 | 81 |
| Q1 2026 | 67 |
| Q2 2026 | 80 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Bought or addedCut or sold out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2025 | 82 | 10 |
| Q3 2025 | 41 | 23 |
| Q4 2025 | 33 | 35 |
| Q1 2026 | 26 | 33 |
| Q2 2026 | 35 | 20 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
CallsPuts
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $3.8m | $3.1m | 0.81 |
| Q4 2025 | $467.5k | $12.6k | 0.03 |
| Q1 2026 | $1.0m | $579.8k | 0.57 |
| Q2 2026 | $1.3m | $915.0k | 0.69 |
Biggest buyers
| Brooklands Fund Management Ltd | New | +177.3k |
| ACADIAN ASSET MANAGEMENT LLC | Added | +84.2k |
| Kynam Capital Management, LP | Added | +60.6k |
| JANE STREET GROUP, LLC | New | +37.6k |
| George Kaiser Family Foundation | New | +37.2k |
| SEI INVESTMENTS CO | New | +29.2k |
| RENAISSANCE TECHNOLOGIES LLC | Added | +29.1k |
| R Squared Ltd | New | +16.9k |
| Quadrature Capital Ltd | New | +14.8k |
| CITADEL ADVISORS LLC | Added | +14.8k |
Biggest sellers
| Point72 Asset Management, L.P. | Sold out | -240.8k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -184.7k |
| MORGAN STANLEY | Reduced | -69.6k |
| GOLDMAN SACHS GROUP INC | Sold out | -11.9k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -8.7k |
| TWO SIGMA INVESTMENTS, LP | Reduced | -7.0k |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | -3.7k |
| UBS Group AG | Reduced | -3.1k |
| Eversept Partners, LP | Reduced | -2.4k |
| RAYMOND JAMES FINANCIAL INC | Reduced | -910 |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $765.1k48.0k shares |
| IMC-Chicago, LLC | Reduced | $226.3k14.2k shares |
| SIMPLEX TRADING, LLC | Added | $169.0k10.6k shares |
| CITADEL ADVISORS LLC | Reduced | $164.2k10.3k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $385.7k24.2k shares |
| CITADEL ADVISORS LLC | New | $299.7k18.8k shares |
| IMC-Chicago, LLC | New | $205.6k12.9k shares |
| SIMPLEX TRADING, LLC | New | $14.3k900 shares |
| GROUP ONE TRADING LLC | Reduced | $9.6k600 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| Sarissa Capital Management LP 15.00% of their portfolio | 1.7m $26.7m | Unchanged |
| ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio | 721.0k $11.5m | Added +84.2k |
| Kynam Capital Management, LP 0.47% of their portfolio | 533.0k $8.5m | Added +60.6k |
| MORGAN STANLEY 0.00% of their portfolio | 223.6k $3.6m | Reduced -69.6k |
| Waterfront Wealth Inc. 0.49% of their portfolio | 213.9k $3.2m | Added +10.6k |
| Brooklands Fund Management Ltd 2.15% of their portfolio | 177.3k $2.7m | New |
| Eversept Partners, LP 0.13% of their portfolio | 145.3k $2.3m | Reduced -2.4k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 115.8k $1.8m | Reduced -184.7k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 100.5k $1.6m | Reduced -7.0k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 95.4k $1.5m | Added +14.8k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 71.8k $1.1m | Reduced -3.7k |
| LCM Capital Management Inc 0.36% of their portfolio | 51.4k $818.7k | Added +7.9k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 48.4k $771.0k | Added +29.1k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 37.6k $599.8k | New |
| George Kaiser Family Foundation 0.06% of their portfolio | 37.2k $593.1k | New |
| SEI INVESTMENTS CO 0.00% of their portfolio | 29.2k $465.6k | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 29.0k $462.3k | Reduced -8.7k |
| STATE STREET CORP 0.00% of their portfolio | 25.0k $398.8k | Added +67 |
| Bleakley Financial Group, LLC 0.00% of their portfolio | 23.5k $374.7k | Reduced -59 |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 19.0k $302.6k | Added +766 |
| State of New Jersey Common Pension Fund D 0.00% of their portfolio | 18.9k $300.9k | Unchanged |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.00% of their portfolio | 18.4k $292.8k | Unchanged |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 18.2k $289.6k | Reduced -910 |
| R Squared Ltd 0.14% of their portfolio | 16.9k $270.0k | New |
| State of Tennessee, Department of Treasury 0.00% of their portfolio | 15.0k $239.2k | Unchanged |
| Quadrature Capital Ltd 0.00% of their portfolio | 14.8k $236.6k | New |
| Quinn Opportunity Partners LLC 0.01% of their portfolio | 14.3k $228.0k | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 13.9k $221.8k | Added +2.5k |
| Hayek Kallen Investment Management 0.06% of their portfolio | 12.8k $204.0k | Unchanged |
| EntryPoint Capital, LLC 0.05% of their portfolio | 12.2k $194.9k | New |
| Jump Financial, LLC 0.00% of their portfolio | 12.0k $191.4k | New |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 11.8k $187.6k | Unchanged |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 11.6k $184.3k | Added +2.2k |
| Verdad Advisers, LP 0.16% of their portfolio | 10.4k $166.3k | New |
| UBS Group AG 0.00% of their portfolio | 10.1k $160.4k | Reduced -3.1k |
| Steward Partners Investment Advisory, LLC 0.00% of their portfolio | 8.9k $142.0k | Reduced -56 |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 7.6k $121.2k | Unchanged |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio | 5.8k $92.0k | Added +24 |
| Federation des caisses Desjardins du Quebec 0.00% of their portfolio | 4.6k $73.5k | Unchanged |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 3.7k $59.5k | Added +394 |
| NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio | 2.5k $40.1k | Unchanged |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 1.9k $30.0k | Reduced -76 |
| GAMMA Investing LLC 0.00% of their portfolio | 1.6k $25.1k | Added +1.0k |
| NewEdge Advisors, LLC 0.00% of their portfolio | 1.3k $21.5k | Unchanged |
| Farther Finance Advisors, LLC 0.00% of their portfolio | 958 $15.3k | Reduced -4 |
| BlackRock, Inc. 0.00% of their portfolio | 858 $13.7k | Reduced -306 |
| IFP Advisors, Inc 0.00% of their portfolio | 814 $13.0k | Unchanged |
| Beaird Harris Wealth Management, LLC 0.00% of their portfolio | 750 $12.0k | Unchanged |
| CoreCap Advisors, LLC 0.00% of their portfolio | 535 $8.5k | Unchanged |
| Integrated Wealth Concepts LLC 0.00% of their portfolio | 530 $8.4k | New |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 493 $7.8k | Added +339 |
| BARCLAYS PLC 0.00% of their portfolio | 305 $4.9k | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 242 $3.9k | Unchanged |
| Westside Investment Management, Inc. 0.00% of their portfolio | 205 $3.3k | Unchanged |
| Global Retirement Partners, LLC 0.00% of their portfolio | 166 $2.6k | First filing |
| GROUP ONE TRADING LLC 0.00% of their portfolio | 130 $2.1k | Added +101 |
| HARBOUR INVESTMENTS, INC. 0.00% of their portfolio | 98 $1.6k | Unchanged |
| HighMark Wealth Management LLC 0.00% of their portfolio | 50 $797 | Unchanged |
| Activest Wealth Management 0.00% of their portfolio | 50 $797 | Unchanged |
| Arax Advisory Partners 0.00% of their portfolio | 43 $685 | New |
| Darwin Wealth Management, LLC 0.00% of their portfolio | 25 $398 | New |
| Continuum Advisory, LLC 0.00% of their portfolio | 19 $303 | New |
| Caitong International Asset Management Co., Ltd 0.00% of their portfolio | 17 $271 | New |
| Atlantic Union Bankshares Corp 0.00% of their portfolio | 12 $192 | Unchanged |
| Truvestments Capital LLC 0.00% of their portfolio | 12 $191 | Unchanged |
| Parallel Advisors, LLC 0.00% of their portfolio | 10 $159 | Unchanged |
| Creative Capital Management Investments LLC 0.00% of their portfolio | 9 $143 | Unchanged |
| CITIGROUP INC 0.00% of their portfolio | 8 $128 | New |
| Key Financial Inc 0.00% of their portfolio | 8 $128 | Unchanged |
| EASTERN BANK 0.00% of their portfolio | 7 $112 | Unchanged |
| MCGUIRE CAPITAL ADVISORS INC 0.00% of their portfolio | 7 $112 | Unchanged |
| Allworth Financial LP 0.00% of their portfolio | 5 $80 | Unchanged |
| BFSG, LLC 0.00% of their portfolio | 5 $80 | New |
| Crewe Advisors LLC 0.00% of their portfolio | 5 $80 | Unchanged |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 5 $80 | Unchanged |
| Oakmont Advisory Group, LLC 0.00% of their portfolio | 5 $80 | New |
| WHITTIER TRUST CO 0.00% of their portfolio | 4 $63 | New |
| Caitlin John, LLC 0.00% of their portfolio | 2 $32 | Unchanged |
| WHITTIER TRUST CO OF NEVADA INC 0.00% of their portfolio | 1 $15 | New |
| JFS WEALTH ADVISORS, LLC 0.00% of their portfolio | 1 $16 | Unchanged |