Eton Pharmaceuticals Ownership | Who Owns Eton Pharmaceuticals?
Eton Pharmaceuticals Ownership Summary
Eton Pharmaceuticals is owned by 33.14% institutional investors, 4.48% insiders, and 62.38% retail investors. Opaleye management is the largest institutional shareholder, holding 10.63% of ETON shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.62% of its assets in Eton Pharmaceuticals shares.
ETON Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Eton Pharmaceuticals | 33.14% | 4.48% | 62.38% |
| Sector | Healthcare Stocks | 232.80% | 10.63% | -143.43% |
| Industry | Biotech Stocks | 379.48% | 10.37% | -289.85% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Opaleye management | 2.86M | 10.63% | $70.58M |
| Ecor1 capital | 2.17M | 8.07% | $53.60M |
| Blackrock funding, inc. /de | 1.72M | 6.38% | $42.38M |
| Vanguard group | 1.35M | 5.01% | $22.81M |
| Nantahala capital management | 1.18M | 4.37% | $29.02M |
| Geode capital management | 577.67K | 2.15% | $14.26M |
| State street | 530.22K | 1.97% | $13.09M |
| Morgan stanley | 477.96K | 1.78% | $11.80M |
| Westside investment management | 467.92K | 1.74% | $11.55M |
| Oberweis asset management inc/ | 439.30K | 1.63% | $10.84M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Opaleye management | 2.86M | 9.30% | $70.58M |
| Cannell capital | 341.99K | 5.18% | $8.44M |
| Panoramic capital | 185.00K | 3.21% | $4.57M |
| Ecor1 capital | 2.17M | 2.27% | $53.60M |
| Westside investment management | 467.92K | 1.77% | $11.55M |
| Lumbard & kellner | 175.91K | 1.50% | $4.34M |
| Nantahala capital management | 1.18M | 1.07% | $29.02M |
| Diametric capital, lp | 156.93K | 1.01% | $3.87M |
| Aristides capital | 186.04K | 0.99% | $4.59M |
| Apis capital advisors | 117.60K | 0.56% | $2.56M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Panoramic capital | 185.00K | 3.21% | 185.00K |
| Soleus capital management | 166.38K | 0.17% | 166.38K |
| Vanguard fiduciary trust | 164.72K | 0.00% | 164.72K |
| Prelude capital management | 188.80K | 0.36% | 143.48K |
| Ecor1 capital | 2.17M | 2.27% | 141.39K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Parkman healthcare partners | - | - | -276.89K |
| Wasatch advisors lp | - | - | -231.33K |
| Paradigm capital management inc/ny | - | - | -200.00K |
| Divisadero street capital management, lp | 298.00K | 0.28% | -199.72K |
| Acuitas investments | - | - | -185.82K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Panoramic capital | 185.00K | 3.21% | 185.00K | $4.57M |
| Vanguard fiduciary trust | 164.72K | 0.00% | 164.72K | $4.07M |
| Marshall wace, llp | 82.72K | 0.00% | 82.72K | $2.04M |
| Walleye capital | 81.96K | 0.01% | 81.96K | $2.02M |
| Sei investments | 58.03K | 0.00% | 58.03K | $1.43M |
Sold Out
| Holder | Change |
|---|---|
| Lindbrook capital | -4.00 |
| Srs capital advisors | -6.00 |
| Allworth financial lp | -7.00 |
| Daiwa securities group | -89.00 |
| Vermillion & white wealth management group | -150.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 62 | -40.38% | 8,912,362 | -49.64% | 33 | 0.77% | 30 | -45.45% | 22 | -18.52% |
| Sep 30, 2025 | 98 | 18.07% | 17,454,599 | 9.66% | 64 | 1.85% | 51 | -12.07% | 27 | 58.82% |
| Jun 30, 2025 | 86 | -1.15% | 16,537,107 | 35.73% | 61 | 2.99% | 61 | 15.09% | 17 | -26.09% |
| Mar 31, 2025 | 89 | 20.27% | 14,123,114 | 7.52% | 52 | 2.04% | 53 | 1.92% | 24 | 71.43% |
| Dec 31, 2024 | 24 | -52.94% | 3,267,082 | -65.64% | 12 | 0.94% | 14 | -46.15% | 6 | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 715.02K | 2.62% | - |
| Vanguard US Total Market Shares ETF | 681.72K | 2.54% | - |
| iShares Russell 2000 ETF | 603.14K | 2.20% | 5.08K |
| Oberweis Micro-Cap | 420.90K | 1.56% | 228.54K |
| Oberweis Micro-Cap Growth | 420.90K | 1.54% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 258.32K | 0.95% | 3.52K |
| Fidelity Small Cap Index | 250.59K | 0.92% | 2.43K |
| Paradigm Micro-Cap | 200.00K | 0.77% | - |
| iShares Russell 2000 Growth ETF | 208.22K | 0.76% | 536.00 |
| Russell 2000 Equity Index Fund B | 166.85K | 0.61% | -81.00 |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 20, 2025 | Gruber James R. | Chief Financial Officer | Sell | $42.15K |
| Aug 19, 2025 | Gruber James R. | Chief Financial Officer | Sell | $631.57K |
| Jun 12, 2025 | Krempa David | Chief Business Officer | Sell | $253.30K |
| Jun 13, 2025 | Krempa David | Chief Business Officer | Sell | $100.44K |
| Jun 16, 2025 | Krempa David | Chief Business Officer | Sell | $150.58K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | - |
| 2026 Q1 | - | - |
| 2025 Q4 | - | - |
| 2025 Q3 | - | 2 |
| 2025 Q2 | 2 | 8 |
ETON Ownership FAQ
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