AMRN — Institutional owners (13F)
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
| Institution | Value | Shares | % of tracked 13F | Type |
|---|---|---|---|---|
| Sarissa Capital Management LP | $26,673,916 | 1,673,395 | 41.49% | Shares |
| Kynam Capital Management, LP | $8,495,733 | 532,982 | 13.22% | Shares |
| MORGAN STANLEY | $3,564,456 | 223,617 | 5.54% | Shares |
| Waterfront Wealth Inc. | $3,183,561 | 213,949 | 4.95% | Shares |
| Brooklands Fund Management Ltd | $2,741,449 | 177,325 | 4.26% | Shares |
| Eversept Partners, LP | $2,316,018 | 145,296 | 3.60% | Shares |
| MILLENNIUM MANAGEMENT LLC | $1,845,980 | 115,808 | 2.87% | Shares |
| TWO SIGMA INVESTMENTS, LP | $1,602,145 | 100,511 | 2.49% | Shares |
| CITADEL ADVISORS LLC | $1,520,103 | 95,364 | 2.36% | Shares |
| BNP PARIBAS FINANCIAL MARKETS | $1,144,699 | 71,813 | 1.78% | Shares |
| LCM Capital Management Inc | $818,710 | 51,362 | 1.27% | Shares |
| RENAISSANCE TECHNOLOGIES LLC | $771,002 | 48,369 | 1.20% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $765,120 | 48,000 | 1.19% | Call option |
| JANE STREET GROUP, LLC | $599,790 | 37,628 | 0.93% | Shares |
| George Kaiser Family Foundation | $593,080 | 37,207 | 0.92% | Shares |
| TWO SIGMA ADVISERS, LP | $516,265 | 36,995 | 0.80% | Shares |
| SEI INVESTMENTS CO | $465,628 | 29,211 | 0.72% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $462,276 | 29,001 | 0.72% | Shares |
| STATE STREET CORP | $398,755 | 25,016 | 0.62% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $385,748 | 24,200 | 0.60% | Put option |
| Bleakley Financial Group, LLC | $374,670 | 23,505 | 0.58% | Shares |
| AMERIPRISE FINANCIAL INC | $302,573 | 18,982 | 0.47% | Shares |
| State of New Jersey Common Pension Fund D | $300,931 | 18,879 | 0.47% | Shares |
| CITADEL ADVISORS LLC | $299,672 | 18,800 | 0.47% | Put option |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $292,818 | 18,370 | 0.46% | Shares |
| RAYMOND JAMES FINANCIAL INC | $289,550 | 18,165 | 0.45% | Shares |
| R Squared Ltd | $269,992 | 16,938 | 0.42% | Shares |
| State of Tennessee, Department of Treasury | $239,164 | 15,004 | 0.37% | Shares |
| Quadrature Capital Ltd | $236,581 | 14,842 | 0.37% | Shares |
| Quinn Opportunity Partners LLC | $228,022 | 14,305 | 0.35% | Shares |
| Cubist Systematic Strategies, LLC | $224,390 | 13,699 | 0.35% | Shares |
| WELLS FARGO & COMPANY/MN | $221,773 | 13,913 | 0.34% | Shares |
| EntryPoint Capital, LLC | $194,882 | 12,226 | 0.30% | Shares |
| Jump Financial, LLC | $191,407 | 12,008 | 0.30% | Shares |
| GEODE CAPITAL MANAGEMENT, LLC | $187,629 | 11,771 | 0.29% | Shares |
| OSAIC HOLDINGS, INC. | $184,333 | 11,565 | 0.29% | Shares |
| NJ State Employees Deferred Compensation Plan | $178,542 | 10,900 | 0.28% | Shares |
| Verdad Advisers, LP | $166,270 | 10,431 | 0.26% | Shares |
| CITADEL ADVISORS LLC | $164,182 | 10,300 | 0.26% | Call option |
| UBS Group AG | $160,404 | 10,063 | 0.25% | Shares |
| Steward Partners Investment Advisory, LLC | $142,025 | 8,910 | 0.22% | Shares |
| NEW YORK STATE COMMON RETIREMENT FUND | $121,224 | 7,605 | 0.19% | Shares |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $92,038 | 5,774 | 0.14% | Shares |
| Federation des caisses Desjardins du Quebec | $73,518 | 4,615 | 0.11% | Shares |
| RHUMBLINE ADVISERS | $59,498 | 3,733 | 0.09% | Shares |
| NATIONAL BANK OF CANADA /FI/ | $40,137 | 2,518 | 0.06% | Shares |
| ROYAL BANK OF CANADA | $30,000 | 1,877 | 0.05% | Shares |
| GAMMA Investing LLC | $25,121 | 1,576 | 0.04% | Shares |
| NewEdge Advisors, LLC | $21,471 | 1,347 | 0.03% | Shares |
| Farther Finance Advisors, LLC | $15,271 | 958 | 0.02% | Shares |
| BlackRock, Inc. | $13,677 | 858 | 0.02% | Shares |
| IFP Advisors, Inc | $12,975 | 814 | 0.02% | Shares |
| Beaird Harris Wealth Management, LLC | $11,955 | 750 | 0.02% | Shares |
| ACADIAN ASSET MANAGEMENT LLC | $11,467 | 720,984 | 0.02% | Shares |
| CoreCap Advisors, LLC | $8,528 | 535 | 0.01% | Shares |
| JONES FINANCIAL COMPANIES LLLP | $7,844 | 493 | 0.01% | Shares |
| BARCLAYS PLC | $4,862 | 305 | 0.01% | Shares |
| JPMORGAN CHASE & CO | $3,853 | 242 | 0.01% | Shares |
| CWM, LLC | $3,644 | 252 | 0.01% | Shares |
| Westside Investment Management, Inc. | $3,268 | 205 | 0.01% | Shares |
| Global Retirement Partners, LLC | $2,646 | 166 | 0.00% | Shares |
| GROUP ONE TRADING LLC | $2,072 | 130 | 0.00% | Shares |
| HARBOUR INVESTMENTS, INC. | $1,562 | 98 | 0.00% | Shares |
| Activest Wealth Management | $797 | 50 | 0.00% | Shares |
| HighMark Wealth Management LLC | $797 | 50 | 0.00% | Shares |
| Arax Advisory Partners | $685 | 43 | 0.00% | Shares |
| Darwin Wealth Management, LLC | $398 | 25 | 0.00% | Shares |
| Continuum Advisory, LLC | $303 | 19 | 0.00% | Shares |
| Caitong International Asset Management Co., Ltd | $271 | 17 | 0.00% | Shares |
| Hayek Kallen Investment Management | $204 | 12,809 | 0.00% | Shares |
| Atlantic Union Bankshares Corp | $192 | 12 | 0.00% | Shares |
| Truvestments Capital LLC | $191 | 12 | 0.00% | Shares |
| Parallel Advisors, LLC | $159 | 10 | 0.00% | Shares |
| Creative Capital Management Investments LLC | $143 | 9 | 0.00% | Shares |
| CITIGROUP INC | $128 | 8 | 0.00% | Shares |
| Key Financial Inc | $128 | 8 | 0.00% | Shares |
| MCGUIRE CAPITAL ADVISORS INC | $112 | 7 | 0.00% | Shares |
| EASTERN BANK | $112 | 7 | 0.00% | Shares |
| Lindbrook Capital, LLC | $90 | 200 | 0.00% | Shares |
| Oakmont Advisory Group, LLC | $80 | 5 | 0.00% | Shares |
| Allworth Financial LP | $80 | 5 | 0.00% | Shares |
| Crewe Advisors LLC | $80 | 5 | 0.00% | Shares |
| BFSG, LLC | $80 | 5 | 0.00% | Shares |
| SBI Securities Co., Ltd. | $80 | 5 | 0.00% | Shares |
| WHITTIER TRUST CO | $63 | 4 | 0.00% | Shares |
| Caitlin John, LLC | $32 | 2 | 0.00% | Shares |
| WHITTIER TRUST CO OF NEVADA INC | $15 | 1 | 0.00% | Shares |
| JFS WEALTH ADVISORS, LLC | $15 | 1 | 0.00% | Shares |