Amarin Ownership | Who Owns Amarin?
Amarin Ownership Summary
Amarin is owned by 1.11% institutional investors, 1.97% insiders, and 96.92% retail investors. Waterfront wealth is the largest institutional shareholder, holding 1.03% of AMRN shares. Waterfront OE is the top mutual fund, with 0.52% of its assets in Amarin shares.
AMRN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Amarin | 1.11% | 1.97% | 96.92% |
| Sector | Healthcare Stocks | 35.56% | 12.08% | 52.36% |
| Industry | Biotech Stocks | 35.43% | 12.01% | 52.56% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Waterfront wealth | 213.95K | 1.03% | $3.18M |
| Sarissa capital management lp | 1.67M | 0.40% | $24.20M |
| Longitude | 1.62M | 0.39% | $785.70K |
| Lcm capital management | 51.36K | 0.25% | $818.71K |
| Raymond james financial services advisors | 685.14K | 0.17% | $471.38K |
| Acadian asset management | 636.77K | 0.15% | $9.18M |
| State street | 25.02K | 0.12% | $398.75K |
| Kynam capital management, lp | 472.38K | 0.11% | $6.83M |
| Bleakley financial group | 23.50K | 0.11% | $374.67K |
| State of new jersey common pension fund d | 18.88K | 0.09% | $300.93K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sarissa capital management lp | 1.67M | 15.35% | $24.20M |
| Waterfront wealth | 213.95K | 0.49% | $3.18M |
| Kynam capital management, lp | 472.38K | 0.42% | $6.83M |
| Lcm capital management | 51.36K | 0.36% | $818.71K |
| Longitude | 1.62M | 0.17% | $785.70K |
| R squared | 16.94K | 0.14% | $269.99K |
| Eversept partners, lp | 147.72K | 0.11% | $2.14M |
| Regis management | 350.00K | 0.07% | $241.00K |
| Hayek kallen investment management | 12.81K | 0.06% | $185.00K |
| Cutter & co brokerage | 240.02K | 0.03% | $117.61K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Point72 asset management | 240.76K | 0.00% | 204.27K |
| Millennium management | 300.54K | 0.00% | 134.30K |
| Kynam capital management, lp | 472.38K | 0.42% | 83.11K |
| Acadian asset management | 636.77K | 0.01% | 56.33K |
| Newbridge financial services group | 37.40K | 0.00% | 37.40K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Dg capital management | - | - | -5.12M |
| Tang capital management | - | - | -2.50M |
| Price jennifer c. | - | - | -2.38M |
| Gsa capital partners llp | - | - | -853.35K |
| Longitude | 1.62M | 0.17% | -750.00K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Renaissance | 19.26K | 0.00% | 19.26K | $278.44K |
| R squared | 16.94K | 0.14% | 16.94K | $269.99K |
| Quadrature capital | 14.84K | 0.00% | 14.84K | $236.58K |
| Cubist systematic strategies | 13.70K | 0.00% | 13.70K | $224.39K |
| Graham capital management | 13.52K | 0.00% | 13.52K | $221.46K |
Sold Out
| Holder | Change |
|---|---|
| Cbiz investment advisory services | -5.00 |
| Principal securities | -9.00 |
| Glenmede investment management, lp | -45.00 |
| Bryn mawr trust | -50.00 |
| Nelson, van denburg & campbell wealth management group | -50.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 69 | -15.85% | 4,596,336 | 1.30% | 1 | 92.65% | 26 | -25.71% | 13 | -23.53% |
| Dec 31, 2025 | 53 | -44.79% | 1,584,464 | -60.43% | - | 40.86% | 21 | -44.74% | 9 | -47.06% |
| Sep 30, 2025 | 92 | -1.08% | 4,002,266 | 13.70% | - | 133.88% | 37 | 48.00% | 16 | -73.77% |
| Jun 30, 2025 | 92 | -30.83% | 3,509,256 | -94.86% | - | 122.73% | 24 | -35.14% | 61 | 60.53% |
| Mar 31, 2025 | 133 | -19.88% | 70,074,553 | -1.11% | - | 0.29% | 37 | -30.19% | 38 | -22.45% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Waterfront OE | 107.99K | 0.52% | 70.25K |
| Waterfront OS | 94.23K | 0.45% | - |
| Old Westbury Small & Mid Cap Strategies | 55.73K | 0.27% | - |
| PSM Value Strategy UI | 50.00K | 0.24% | 50.00K |
| State Street® SPDR® Ptf Dev Wld exUS ETF | 16.70K | 0.08% | - |
| SPDR® Portfolio Developed Wld ex-US ETF | 14.82K | 0.07% | - |
| SEI International Equity F (SIT) | 13.65K | 0.06% | - |
| iShares Nasdaq US Biotech ETF USD Acc | 11.93K | 0.06% | - |
| Fidelity Nasdaq Composite Index | 11.77K | 0.06% | - |
| Voya Multi-Manager International Sm Cp A | 10.54K | 0.05% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 02, 2024 | Berg Aaron | President and CEO | Buy | $102.40K |
| Jan 22, 2024 | Holt Patrick | President and CEO | Buy | $15.72K |
| Dec 12, 2023 | Ketchum Steven B | Chief Scientific Officer | Sell | $26.96K |
| Aug 16, 2023 | Holt Patrick | President and CEO | Buy | $71.26K |
| Aug 16, 2023 | Holt Patrick | President and CEO | Buy | $27.27K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | - |
| 2026 Q2 | - | - |
| 2026 Q1 | - | - |
| 2025 Q4 | - | - |
| 2025 Q3 | - | - |
AMRN Ownership FAQ
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