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, Q1 2026
Institutional positions in Eton Pharmaceuticals, Inc. as of Mar 31, 2026. 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
- 116
- +13 vs. Q4 2025
- Shares held
- 17.8M
- +2.73M (+18.1%) vs. Q4 2025
- Total value
- $438.6M
- +$183.9M (+72.2%) vs. Q4 2025
- New holders
- 30
- 36 more added
- Sold out
- 17
- 32 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Northern Trust Corp | 237,832 | $5.87M | 0.00% | +5,983+2.6% | Added |
| BNP Paribas Arbitrage, SA | 302,108 | $7.46M | 0.00% | +24,650+8.9% | Added |
| Cannell Capital LLC | 341,985 | $8.44M | 5.48% | +125,068+57.7% | Added |
| Pillsbury Lake Capital LLC | 364,954 | $9.01M | 4.08% | +364,954 | New |
| Thompson Siegel & Walmsley LLC | 406,089 | $10.0M | 0.18% | −2,452−0.6% | Reduced |
| Oberweis Asset Management Inc | 439,300 | $10.8M | 0.32% | +8,000+1.9% | Added |
| Westside Investment Management, Inc. | 467,915 | $11.5M | 1.77% | −3,025−0.6% | Reduced |
| Morgan Stanley | 477,957 | $11.8M | 0.00% | −15,957−3.2% | Reduced |
| National Philanthropic Trust | 492,112 | $12.1M | 0.13% | 00.0% | Unchanged |
| State Street Corp | 530,215 | $13.1M | 0.00% | +28,290+5.6% | Added |
| Geode Capital Management, LLC | 577,666 | $14.3M | 0.00% | +12,615+2.2% | Added |
| Vanguard Capital Management LLC | 994,089 | $24.5M | 0.00% | +994,089 | New |
| Nantahala Capital Management, LLC | 1,175,951 | $29.0M | 1.81% | 00.0% | Unchanged |
| BlackRock, Inc. | 1,717,286 | $42.4M | 0.00% | −21,621−1.2% | Reduced |
| EcoR1 Capital, LLC | 2,171,938 | $53.6M | 2.29% | +141,394+7.0% | Added |
| Opaleye Management Inc. | 2,860,000 | $70.6M | 9.30% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −118,300−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −84,020−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −15,331−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −14,700−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −13,482−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −12,925−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −12,421−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −10,551−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −10,473−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −6,471−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −4,149−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −805−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Vermillion & White Wealth Management Group, LLC | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −89−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |