Amarin Ownership | Who Owns Amarin?
Amarin Ownership Summary
Amarin is owned by 0.97% institutional investors, 1.91% insiders, and 97.13% retail investors. Longitude is the largest institutional shareholder, holding 0.39% of AMRN shares. Waterfront OE is the top mutual fund, with 0.37% of its assets in Amarin shares.
AMRN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Amarin | 0.97% | 1.91% | 97.13% |
| Sector | Healthcare Stocks | 41.88% | 10.83% | 47.29% |
| Industry | Biotech Stocks | 44.05% | 10.78% | 45.17% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Longitude | 1.62M | 0.39% | $785.70K |
| Sarissa capital management lp | 1.24M | 0.30% | $20.35M |
| Raymond james financial services advisors | 685.14K | 0.17% | $471.38K |
| Kynam capital management, lp | 576.11K | 0.14% | $9.44M |
| Acadian asset management | 456.58K | 0.11% | $7.46M |
| Regis management | 350.00K | 0.09% | $241.00K |
| Susquehanna group, llp | 338.57K | 0.08% | $164.21K |
| Blackrock | 270.06K | 0.07% | $185.80K |
| Morgan stanley | 269.66K | 0.07% | $4.42M |
| Cutter & co brokerage | 240.02K | 0.06% | $117.61K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sarissa capital management lp | 1.24M | 11.28% | $20.35M |
| Scp investment, lp | 100.00K | 1.32% | $1.64M |
| Kynam capital management, lp | 576.11K | 0.70% | $9.44M |
| Lcm capital management | 42.76K | 0.34% | $700.44K |
| Waterfront wealth | 77.96K | 0.31% | $1.54M |
| Eversept partners, lp | 167.28K | 0.19% | $2.74M |
| Longitude | 1.62M | 0.17% | $785.70K |
| Hayek kallen investment management | 25.82K | 0.13% | $423.00K |
| Regis management | 350.00K | 0.07% | $241.00K |
| Quinn opportunity partners | 58.46K | 0.07% | $957.59K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Acadian asset management | 456.58K | 0.01% | 215.53K |
| Susquehanna group, llp | 338.57K | - | 142.64K |
| Morgan stanley | 269.66K | 0.00% | 106.70K |
| Newbridge financial services group | 37.40K | 0.00% | 37.40K |
| Wolverine trading | 37.00K | - | 37.00K |
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 |
|---|---|---|---|---|
| State of new jersey common pension fund d | 18.88K | 0.00% | 18.88K | $309.24K |
| Commonwealth of pennsylvania public school empls retrmt sys | 18.37K | 0.00% | 18.37K | $300.90K |
| Quadrature capital | 18.35K | 0.00% | 18.35K | $300.32K |
| 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 |
| Glenmede investment management, lp | -45.00 |
| Rise advisors | -50.00 |
| Nelson, van denburg & campbell wealth management group | -50.00 |
| Sugarloaf wealth management | -83.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Dec 31, 2024 | 162 | -0.61% | 70,801,923 | 8.16% | 17 | 6.79% | 52 | 33.33% | 48 | 4.35% |
| Sep 30, 2024 | 160 | -8.57% | 65,415,614 | -15.91% | 15 | 4.44% | 41 | -2.38% | 46 | -8.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Waterfront OE | 1.54M | 0.37% | 11.16K |
| PSM Value Strategy UI | 50.00K | 0.24% | 50.00K |
| Waterfront OS | 893.16K | 0.22% | -6.40K |
| Old Westbury Small & Mid Cap Strategies | 18.40K | 0.09% | 18.40K |
| Fidelity Nasdaq Composite Index | 17.32K | 0.08% | 71.00 |
| SPDR® Portfolio Developed Wld ex-US ETF | 14.82K | 0.07% | - |
| iShares Nasdaq US Biotech ETF USD Acc | 11.93K | 0.06% | - |
| SEI International Equity F (SIT) | 11.49K | 0.06% | 5.55K |
| PSM Konzept | 201.71K | 0.05% | - |
| PSM Macro Strategy | 10.00K | 0.05% | -40.00K |
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 |
|---|---|---|
| 2025 Q1 | - | - |
| 2024 Q4 | - | - |
| 2024 Q3 | 1 | - |
| 2024 Q2 | - | - |
| 2024 Q1 | 1 | - |
AMRN Ownership FAQ
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