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 2025
Institutional positions in Eton Pharmaceuticals, Inc. as of Mar 31, 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
- 86
- +15 vs. Q4 2024
- Shares held
- 14.6M
- +987.7K (+7.2%) vs. Q4 2024
- Total value
- $189.7M
- +$8.19M (+4.5%) vs. Q4 2024
- New holders
- 26
- 29 more added
- Sold out
- 11
- 22 more reduced
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Opaleye Management Inc. | 2,852,070 | $37.0M | 8.24% | 00.0% | Unchanged |
| EcoR1 Capital, LLC | 1,939,288 | $25.2M | 1.50% | +109,685+6.0% | Added |
| Nantahala Capital Management, LLC | 1,175,951 | $15.3M | 1.26% | +57,468+5.1% | Added |
| Vanguard Group Inc | 1,100,963 | $14.3M | 0.00% | +37,256+3.5% | Added |
| Cannell Capital LLC | 691,367 | $8.97M | 3.03% | +310,044+81.3% | Added |
| Westside Investment Management, Inc. | 493,650 | $6.41M | 1.36% | −81,572−14.2% | Reduced |
| National Philanthropic Trust | 492,112 | $6.39M | 0.10% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 448,804 | $5.83M | 0.01% | +256,478+133.4% | Added |
| Acadian Asset Management LLC | 402,428 | $5.22M | 0.01% | +153,923+61.9% | Added |
| Millennium Management LLC | 355,929 | $4.62M | 0.00% | +217,042+156.3% | Added |
| BlackRock, Inc. | 345,360 | $4.48M | 0.00% | +27,735+8.7% | Added |
| Stifel Financial Corp | 319,990 | $4.15M | 0.00% | +319,990 | New |
| Geode Capital Management, LLC | 298,248 | $3.87M | 0.00% | +29,602+11.0% | Added |
| Renaissance Technologies LLC | 274,000 | $3.56M | 0.01% | +80,900+41.9% | Added |
| Aristides Capital LLC | 241,587 | $3.14M | 1.16% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 232,532 | $3.02M | 0.01% | +17,654+8.2% | Added |
| Thompson Siegel & Walmsley LLC | 189,863 | $2.46M | 0.04% | +61,824+48.3% | Added |
| Goldman Sachs Group Inc | 175,220 | $2.27M | 0.00% | +45,341+34.9% | Added |
| Prelude Capital Management, LLC | 169,436 | $2.20M | 0.22% | +145,194+598.9% | Added |
| Morgan Stanley | 147,332 | $1.91M | 0.00% | +134,139+1,016.7% | Added |
| Mink Brook Asset Management LLC | 141,488 | $1.84M | 1.93% | −314,317−69.0% | Reduced |
| Bridgeway Capital Management, LLC | 135,270 | $1.76M | 0.04% | −103,692−43.4% | Reduced |
| State Street Corp | 114,236 | $1.48M | 0.00% | +8,900+8.4% | Added |
| JPMorgan Chase & Co | 113,113 | $1.47M | 0.00% | +61,152+117.7% | Added |
| Cubist Systematic Strategies, LLC | 103,200 | $1.34M | 0.02% | +59,961+138.7% | Added |
| Jane Street Group, LLC | 95,919 | $1.25M | 0.00% | +31,596+49.1% | Added |
| UBS Group AG | 95,748 | $1.24M | 0.00% | −39,604−29.3% | Reduced |
| Qube Research & Technologies Ltd | 86,848 | $1.13M | 0.00% | −7,333−7.8% | Reduced |
| Northern Trust Corp | 84,450 | $1.10M | 0.00% | −2,507−2.9% | Reduced |
| Two Sigma Investments, LP | 82,355 | $1.07M | 0.00% | −30,103−26.8% | Reduced |
| Raymond James Financial Inc | 78,213 | $1.02M | 0.00% | +67,170+608.3% | Added |
| EAM Investors, LLC | 77,833 | $1.01M | 0.17% | −17,186−18.1% | Reduced |
| Bank of New York Mellon Corp | 74,246 | $963.7K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 64,795 | $841.0K | 0.00% | +64,795 | New |
| Anchor Capital Advisors LLC | 60,179 | $781.1K | 0.02% | −253−0.4% | Reduced |
| HRT Financial LP | 57,235 | $742.0K | 0.00% | +57,235 | New |
| Jacobs Levy Equity Management, Inc | 54,275 | $704.5K | 0.00% | +54,275 | New |
| Two Sigma Advisers, LP | 53,100 | $689.2K | 0.00% | +3,400+6.8% | Added |
| Balyasny Asset Management LLC | 50,205 | $651.7K | 0.00% | +38,355+323.7% | Added |
| Barclays PLC | 44,661 | $579.7K | 0.00% | −10,225−18.6% | Reduced |
| BNP Paribas Arbitrage, SA | 39,317 | $510.3K | 0.00% | +38,967+11,133.4% | Added |
| Omers Administration Corp | 35,300 | $458.2K | 0.00% | −2,600−6.9% | Reduced |
| Blair William & Co | 34,900 | $453.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 26,443 | $343.2K | 0.05% | +26,443 | New |
| PDT Partners, LLC | 25,755 | $334.3K | 0.02% | +25,755 | New |
| Wellington Management Group LLP | 25,283 | $328.2K | 0.00% | +25,283 | New |
| Citadel Advisors LLC | 24,492 | $317.9K | 0.00% | +24,492 | New |
| Schonfeld Strategic Advisors LLC | 24,213 | $314.3K | 0.00% | −65,451−73.0% | Reduced |
| Man Group plc | 22,404 | $290.8K | 0.00% | +22,404 | New |
| Jain Global LLC | 22,401 | $290.8K | 0.01% | +22,401 | New |
| Essex Investment Management Co LLC | 20,419 | $265.0K | 0.06% | −4,023−16.5% | Reduced |
| Diametric Capital, LP | 19,597 | $254.4K | 0.30% | +19,597 | New |
| Hillsdale Investment Management Inc. | 18,983 | $246.4K | 0.01% | +1,980+11.6% | Added |
| Envestnet Asset Management Inc | 17,316 | $224.8K | 0.00% | −424−2.4% | Reduced |
| ExodusPoint Capital Management, LP | 17,102 | $222.0K | 0.00% | +17,102 | New |
| Chicago Trust Co NA | 16,700 | $216.8K | 0.04% | 00.0% | Unchanged |
| Quantessence Capital LLC | 16,590 | $215.3K | 0.05% | +16,590 | New |
| Jump Financial, LLC | 16,303 | $211.6K | 0.00% | −8,407−34.0% | Reduced |
| State of Tennessee, Treasury Department | 13,950 | $181.1K | 0.00% | +13,950 | New |
| LMR Partners LLP | 13,574 | $176.2K | 0.00% | +13,574 | New |
| Y-Intercept (Hong Kong) Ltd | 13,400 | $173.9K | 0.01% | +13,400 | New |
| Charles Schwab Investment Management Inc | 13,247 | $171.9K | 0.00% | +8+0.1% | Added |
| Bank of America Corp | 12,440 | $161.5K | 0.00% | +1,340+12.1% | Added |
| XTX Topco Ltd | 11,797 | $153.1K | 0.01% | −2,858−19.5% | Reduced |
| Quantum Private Wealth, LLC | 11,500 | $149.3K | 0.06% | 00.0% | Unchanged |
| Cannon Global Investment Management, LLC | 11,400 | $148.0K | 0.41% | +11,400 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 10,795 | $140.1K | 0.04% | +234+2.2% | Added |
| Brevan Howard Capital Management LP | 10,693 | $138.8K | 0.00% | +10,693 | New |
| Verition Fund Management LLC | 10,189 | $132.3K | 0.00% | +10,189 | New |
| Jefferies Financial Group Inc. | 10,000 | $129.8K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 7,794 | $101.2K | 0.00% | +7,794 | New |
| Steward Partners Investment Advisory, LLC | 7,499 | $97.3K | 0.00% | +7,499 | New |
| Simplex Trading, LLC | 4,472 | $58.0K | 0.00% | −31,904−87.7% | Reduced |
| Quest Partners LLC | 4,118 | $53.5K | 0.01% | +4,118 | New |
| Tower Research Capital LLC (TRC) | 2,971 | $38.6K | 0.00% | −3,462−53.8% | Reduced |
| Point72 (DIFC) Ltd | 1,800 | $23.4K | 0.00% | +359+24.9% | Added |
| Royal Bank of Canada | 1,629 | $22.0K | 0.00% | +877+116.6% | Added |
| Point72 Asset Management, L.P. | 1,500 | $19.5K | 0.00% | +1,500 | New |
| Truvestments Capital LLC | 1,183 | $15.4K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 750 | $9.73K | 0.00% | −250−25.0% | Reduced |
| Federated Hermes, Inc. | 686 | $8.90K | 0.00% | −706−50.7% | Reduced |
| Group One Trading, L.P. | 634 | $8.23K | 0.00% | +634 | New |
| SBI Securities Co., Ltd. | 100 | $1.30K | 0.00% | −41−29.1% | Reduced |
| Caitong International Asset Management Co., Ltd | 77 | $999 | 0.00% | +77 | New |
| FMR LLC | 10 | $130 | 0.00% | +10 | New |
| Citigroup Inc | 1 | $13 | 0.00% | −21,976−100.0% | Reduced |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −276,890−100.0% | Sold out |
| Wasatch Advisors Inc | 0 | $0 | 0.00% | −231,328−100.0% | Sold out |
| Paradigm Capital Management Inc | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Acuitas Investments, LLC | 0 | $0 | 0.00% | −185,824−100.0% | Sold out |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −69,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −36,182−100.0% | Sold out |
| Baader Bank INC | 0 | $0 | 0.00% | −28,000−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −12,589−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −12,068−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −1,031−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −260−100.0% | Sold out |