Eton Pharmaceuticals, Inc.
ETON- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001710340
In the last 90 days, Eton Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 5 sales; 164 institutions reported holding it in 13F filings for Q2 2026, worth $722.6M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Eton Pharmaceuticals, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 103
- +16 vs. Q2 2025
- Shares held
- 18.2M
- +1.12M (+6.5%) vs. Q2 2025
- Total value
- $394.7M
- +$151.4M (+62.2%) vs. Q2 2025
- New holders
- 27
- 26 more added
- Sold out
- 11
- 28 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ETON on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 164 | $722.6M |
| Q1 2026 | 116 | $438.6M |
| Q4 2025 | 104 | $277.5M |
| Q3 2025 | 103 | $394.7M |
| Q2 2025 | 87 | $243.3M |
| Q1 2025 | 86 | $189.7M |
| Q4 2024 | 71 | $181.5M |
| Q3 2024 | 48 | $60.0M |
| Q2 2024 | 45 | $28.7M |
| Q1 2024 | 44 | $28.8M |
| Q4 2023 | 56 | $33.5M |
| Q3 2023 | 50 | $28.8M |
| Q2 2023 | 33 | $20.9M |
| Q1 2023 | 35 | $22.5M |
| Q4 2022 | 31 | $18.2M |
| Q3 2022 | 32 | $14.4M |
| Q2 2022 | 29 | $14.6M |
| Q1 2022 | 31 | $27.4M |
| Q4 2021 | 32 | $24.1M |
| Q3 2021 | 37 | $29.5M |
| Q2 2021 | 46 | $48.1M |
| Q1 2021 | 50 | $63.7M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| EcoR1 Capital, LLC | 2,030,544 | $44.1M | 2.12% | 00.0% | Unchanged |
| Opaleye Management Inc. | 2,860,000 | $62.1M | 8.79% | 00.0% | Unchanged |
| Summit Wealth Group LLC | 25,999 | – | – | +25,999 | New |
| Stifel Financial Corp | 0 | $0 | 0.00% | −108,168−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −54,275−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −34,557−100.0% | Sold out |
| B. Riley Financial, Inc. | 0 | $0 | 0.00% | −31,504−100.0% | Sold out |
| Mink Brook Asset Management LLC | 0 | $0 | 0.00% | −15,139−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −14,064−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −13,889−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −13,731−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −10,991−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −433−100.0% | Sold out |