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 |
|---|---|---|---|---|---|
| Opaleye Management Inc. | 2,860,000 | $62.1M | 8.79% | 00.0% | Unchanged |
| EcoR1 Capital, LLC | 2,030,544 | $44.1M | 2.12% | 00.0% | Unchanged |
| BlackRock, Inc. | 1,704,361 | $37.0M | 0.00% | +172,650+11.3% | Added |
| Vanguard Group Inc | 1,344,115 | $29.2M | 0.00% | +31,942+2.4% | Added |
| Nantahala Capital Management, LLC | 1,175,951 | $25.6M | 1.58% | 00.0% | Unchanged |
| Morgan Stanley | 586,046 | $12.7M | 0.00% | +76,478+15.0% | Added |
| Geode Capital Management, LLC | 574,030 | $12.5M | 0.00% | −18,835−3.2% | Reduced |
| National Philanthropic Trust | 492,112 | $10.7M | 0.12% | 00.0% | Unchanged |
| Royal Bank of Canada | 479,193 | $10.4M | 0.00% | +474,128+9,360.9% | Added |
| Westside Investment Management, Inc. | 472,540 | $10.3M | 1.64% | −250−0.1% | Reduced |
| Cannell Capital LLC | 455,405 | $9.90M | 2.60% | +67,230+17.3% | Added |
| State Street Corp | 438,445 | $9.53M | 0.00% | +115,251+35.7% | Added |
| Thompson Siegel & Walmsley LLC | 418,566 | $9.10M | 0.15% | +37,301+9.8% | Added |
| JPMorgan Chase & Co | 351,417 | $7.64M | 0.00% | +108,837+44.9% | Added |
| Renaissance Technologies LLC | 324,621 | $7.05M | 0.01% | −81,279−20.0% | Reduced |
| Divisadero Street Capital Management, LP | 298,000 | $6.48M | 0.30% | −199,716−40.1% | Reduced |
| Two Sigma Investments, LP | 286,421 | $6.22M | 0.01% | +71,869+33.5% | Added |
| Northern Trust Corp | 245,051 | $5.32M | 0.00% | −17,160−6.5% | Reduced |
| BNP Paribas Arbitrage, SA | 229,790 | $4.99M | 0.00% | +142,094+162.0% | Added |
| UBS Group AG | 220,361 | $4.79M | 0.00% | +7,877+3.7% | Added |
| Soleus Capital Management, L.P. | 200,000 | $4.35M | 0.23% | −85,000−29.8% | Reduced |
| Oberweis Asset Management Inc | 192,360 | $4.18M | 0.16% | +192,360 | New |
| Goldman Sachs Group Inc | 190,164 | $4.13M | 0.00% | +80,785+73.9% | Added |
| Lumbard & Kellner, LLC | 176,300 | $3.83M | 1.41% | +176,300 | New |
| Two Sigma Advisers, LP | 168,900 | $3.67M | 0.01% | +68,000+67.4% | Added |
| Aristides Capital LLC | 167,587 | $3.64M | 1.07% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 143,811 | $3.13M | 0.01% | −78,272−35.2% | Reduced |
| Bank of New York Mellon Corp | 129,182 | $2.81M | 0.00% | +1,838+1.4% | Added |
| Apis Capital Advisors, LLC | 117,600 | $2.56M | 0.56% | +11,600+10.9% | Added |
| Bridgeway Capital Management, LLC | 109,020 | $2.37M | 0.05% | −26,250−19.4% | Reduced |
| Diametric Capital, LP | 99,309 | $2.16M | 0.80% | +14,451+17.0% | Added |
| Jefferies Financial Group Inc. | 88,440 | $1.92M | 0.02% | +88,440 | New |
| Wellington Management Group LLP | 88,219 | $1.92M | 0.00% | +59,006+202.0% | Added |
| Raymond James Financial Inc | 87,082 | $1.89M | 0.00% | −3,333−3.7% | Reduced |
| Charles Schwab Investment Management Inc | 77,274 | $1.68M | 0.00% | −574−0.7% | Reduced |
| Bank of America Corp | 74,657 | $1.62M | 0.00% | +37,736+102.2% | Added |
| Jane Street Group, LLC | 70,944 | $1.54M | 0.00% | +70,944 | New |
| Squarepoint Ops LLC | 59,645 | $1.30M | 0.00% | −34,151−36.4% | Reduced |
| Nuveen, LLC | 58,917 | $1.28M | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 54,865 | $1.19M | 0.00% | +36,753+202.9% | Added |
| EAM Investors, LLC | 52,897 | $1.15M | 0.13% | +52,897 | New |
| Prelude Capital Management, LLC | 41,873 | $909.9K | 0.07% | −1,727−4.0% | Reduced |
| Barclays PLC | 36,806 | $799.8K | 0.00% | −8,984−19.6% | Reduced |
| Anchor Capital Advisors LLC | 36,778 | $799.2K | 0.02% | −50,883−58.0% | Reduced |
| Aquatic Capital Management LLC | 36,332 | $789.5K | 0.01% | +482+1.3% | Added |
| Rhumbline Advisers | 36,124 | $785.0K | 0.00% | −470−1.3% | Reduced |
| Winton Group Ltd | 35,304 | $767.2K | 0.03% | +35,304 | New |
| Blair William & Co | 32,400 | $704.1K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 30,056 | $653.1K | 0.00% | −542−1.8% | Reduced |
| Acadian Asset Management LLC | 26,410 | $573.0K | 0.00% | −366,305−93.3% | Reduced |
| XTX Topco Ltd | 24,399 | $530.2K | 0.03% | +24,399 | New |
| Calamos Advisors LLC | 23,634 | $513.6K | 0.00% | +23,634 | New |
| Essex Investment Management Co LLC | 20,182 | $438.6K | 0.07% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 18,503 | $402.1K | 0.01% | −400−2.1% | Reduced |
| Navellier & Associates Inc | 17,494 | $380.1K | 0.04% | +17,494 | New |
| Deutsche Bank AG | 17,399 | $378.1K | 0.00% | 00.0% | Unchanged |
| Juncture Wealth Strategies, LLC | 16,968 | $368.7K | 0.12% | +16,968 | New |
| Wells Fargo & Company | 16,709 | $363.1K | 0.00% | +2,959+21.5% | Added |
| Chicago Trust Co NA | 16,700 | $362.9K | 0.05% | 00.0% | Unchanged |
| Bridge City Capital, LLC | 16,673 | $362.3K | 0.10% | +16,673 | New |
| Millennium Management LLC | 15,862 | $344.7K | 0.00% | +15,862 | New |
| MetLife Investment Management | 15,537 | $337.6K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 14,891 | $323.6K | 0.02% | 00.0% | Unchanged |
| Sheets Smith Investment Management | 14,842 | $322.5K | 0.21% | +14,842 | New |
| Gsa Capital Partners LLP | 14,785 | $321.0K | 0.03% | +14,785 | New |
| Price T Rowe Associates Inc | 13,524 | $294.0K | 0.00% | +684+5.3% | Added |
| Invesco Ltd. | 13,478 | $292.9K | 0.00% | 00.0% | Unchanged |
| Man Group plc | 12,649 | $274.9K | 0.00% | −11,105−46.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 12,007 | $260.9K | 0.00% | −2,031−14.5% | Reduced |
| Quantbot Technologies LP | 11,532 | $250.6K | 0.01% | −13,701−54.3% | Reduced |
| Quantum Private Wealth, LLC | 11,500 | $249.9K | 0.07% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 11,377 | $247.2K | 0.00% | −11,673−50.6% | Reduced |
| Intech Investment Management LLC | 11,177 | $242.9K | 0.00% | −891−7.4% | Reduced |
| Voleon Capital Management LP | 10,950 | $237.9K | 0.01% | +10,950 | New |
| PharVision Advisers, LLC | 10,535 | $228.9K | 0.13% | +10,535 | New |
| Northwestern Mutual Wealth Management Co | 10,000 | $217.3K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 9,600 | $208.6K | 0.00% | +9,600 | New |
| EntryPoint Capital, LLC | 9,365 | $203.5K | 0.08% | +9,365 | New |
| New York State Common Retirement Fund | 8,100 | $176.0K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 7,209 | $156.7K | 0.00% | +1,072+17.5% | Added |
| FMR LLC | 5,694 | $123.7K | 0.00% | +5,239+1,151.4% | Added |
| State of Wyoming | 5,440 | $118.2K | 0.01% | −6,063−52.7% | Reduced |
| Quest Partners LLC | 4,150 | $90.2K | 0.01% | −1,798−30.2% | Reduced |
| Legal & General Group Plc | 2,852 | $62.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,167 | $47.1K | 0.00% | −450−17.2% | Reduced |
| Quarry LP | 1,700 | $36.9K | 0.01% | +1,700 | New |
| California State Teachers Retirement System | 1,601 | $34.8K | 0.00% | +1+0.1% | Added |
| State of Alaska, Department of Revenue | 1,421 | $30.0K | 0.00% | +1,421 | New |
| Citigroup Inc | 1,211 | $26.3K | 0.00% | −7,892−86.7% | Reduced |
| Truvestments Capital LLC | 1,183 | $25.7K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 971 | $21.1K | 0.00% | −1,587−62.0% | Reduced |
| Amalgamated Bank | 876 | $19.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 762 | $16.6K | 0.00% | +762 | New |
| Comerica Bank | 219 | $4.76K | 0.00% | +219 | New |
| Advisor Group Holdings, Inc. | 200 | $4.35K | 0.00% | 00.0% | Unchanged |
| Vermillion & White Wealth Management Group, LLC | 150 | $3.26K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 128 | $2.78K | 0.00% | +26+25.5% | Added |
| Sterling Capital Management LLC | 62 | $1.35K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 50 | $1.09K | 0.00% | +50 | New |
| CWM, LLC | 31 | $1.00K | 0.00% | +31 | New |