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, Q2 2025
Institutional positions in Eton Pharmaceuticals, Inc. as of Jun 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
- 87
- +1 vs. Q1 2025
- Shares held
- 17.1M
- +2.46M (+16.8%) vs. Q1 2025
- Total value
- $243.3M
- +$53.6M (+28.2%) vs. Q1 2025
- New holders
- 26
- 35 more added
- Sold out
- 25
- 19 more reduced
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Opaleye Management Inc. | 2,860,000 | $40.8M | 8.25% | +7,930+0.3% | Added |
| EcoR1 Capital, LLC | 2,030,544 | $28.9M | 1.72% | +91,256+4.7% | Added |
| BlackRock, Inc. | 1,531,711 | $21.8M | 0.00% | +1,186,351+343.5% | Added |
| Vanguard Group Inc | 1,312,173 | $18.7M | 0.00% | +211,210+19.2% | Added |
| Nantahala Capital Management, LLC | 1,175,951 | $16.8M | 1.19% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 592,865 | $8.45M | 0.00% | +294,617+98.8% | Added |
| Morgan Stanley | 509,568 | $7.26M | 0.00% | +362,236+245.9% | Added |
| Divisadero Street Capital Management, LP | 497,716 | $7.09M | 0.47% | +497,716 | New |
| National Philanthropic Trust | 492,112 | $7.01M | 0.09% | 00.0% | Unchanged |
| Westside Investment Management, Inc. | 472,790 | $6.74M | 1.25% | −20,860−4.2% | Reduced |
| Renaissance Technologies LLC | 405,900 | $5.78M | 0.01% | +131,900+48.1% | Added |
| Acadian Asset Management LLC | 392,715 | $5.59M | 0.01% | −9,713−2.4% | Reduced |
| Cannell Capital LLC | 388,175 | $5.53M | 1.73% | −303,192−43.9% | Reduced |
| Thompson Siegel & Walmsley LLC | 381,265 | $5.43M | 0.09% | +191,402+100.8% | Added |
| State Street Corp | 323,194 | $4.61M | 0.00% | +208,958+182.9% | Added |
| Soleus Capital Management, L.P. | 285,000 | $4.06M | 0.28% | +285,000 | New |
| Northern Trust Corp | 262,211 | $3.74M | 0.00% | +177,761+210.5% | Added |
| JPMorgan Chase & Co | 242,580 | $3.46M | 0.00% | +129,467+114.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 222,083 | $3.16M | 0.01% | −10,449−4.5% | Reduced |
| Two Sigma Investments, LP | 214,552 | $3.06M | 0.01% | +132,197+160.5% | Added |
| UBS Group AG | 212,484 | $3.03M | 0.00% | +116,736+121.9% | Added |
| Aristides Capital LLC | 167,587 | $2.39M | 0.76% | −74,000−30.6% | Reduced |
| Bridgeway Capital Management, LLC | 135,270 | $1.93M | 0.05% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 127,344 | $1.81M | 0.00% | +53,098+71.5% | Added |
| Goldman Sachs Group Inc | 109,379 | $1.56M | 0.00% | −65,841−37.6% | Reduced |
| Stifel Financial Corp | 108,168 | $1.54M | 0.00% | −211,822−66.2% | Reduced |
| Apis Capital Advisors, LLC | 106,000 | $1.51M | 0.54% | +106,000 | New |
| Two Sigma Advisers, LP | 100,900 | $1.44M | 0.00% | +47,800+90.0% | Added |
| Squarepoint Ops LLC | 93,796 | $1.34M | 0.00% | +29,001+44.8% | Added |
| Raymond James Financial Inc | 90,415 | $1.29M | 0.00% | +12,202+15.6% | Added |
| BNP Paribas Arbitrage, SA | 87,696 | $1.25M | 0.00% | +48,379+123.0% | Added |
| Anchor Capital Advisors LLC | 87,661 | $1.25M | 0.04% | +27,482+45.7% | Added |
| Diametric Capital, LP | 84,858 | $1.21M | 0.65% | +65,261+333.0% | Added |
| Charles Schwab Investment Management Inc | 77,848 | $1.11M | 0.00% | +64,601+487.7% | Added |
| Nuveen, LLC | 58,917 | $839.6K | 0.00% | +58,917 | New |
| Jacobs Levy Equity Management, Inc | 54,275 | $773.4K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 45,790 | $652.5K | 0.00% | +1,129+2.5% | Added |
| Prelude Capital Management, LLC | 43,600 | $621.3K | 0.06% | −125,836−74.3% | Reduced |
| Bank of America Corp | 36,921 | $526.1K | 0.00% | +24,481+196.8% | Added |
| Rhumbline Advisers | 36,594 | $521.5K | 0.00% | +36,594 | New |
| Aquatic Capital Management LLC | 35,850 | $510.9K | 0.01% | +35,850 | New |
| Qube Research & Technologies Ltd | 34,557 | $492.4K | 0.00% | −52,291−60.2% | Reduced |
| Blair William & Co | 32,400 | $461.7K | 0.00% | −2,500−7.2% | Reduced |
| B. Riley Financial, Inc. | 31,504 | $448.9K | 0.50% | +31,504 | New |
| Susquehanna International Group, LLP | 30,598 | $436.0K | 0.00% | −418,206−93.2% | Reduced |
| Wellington Management Group LLP | 29,213 | $416.3K | 0.00% | +3,930+15.5% | Added |
| Quantbot Technologies LP | 25,233 | $359.6K | 0.01% | +17,439+223.7% | Added |
| Man Group plc | 23,754 | $338.5K | 0.00% | +1,350+6.0% | Added |
| Envestnet Asset Management Inc | 23,050 | $328.5K | 0.00% | +5,734+33.1% | Added |
| Essex Investment Management Co LLC | 20,182 | $287.6K | 0.05% | −237−1.2% | Reduced |
| Hillsdale Investment Management Inc. | 18,903 | $269.4K | 0.01% | −80−0.4% | Reduced |
| Russell Investments Group, Ltd. | 18,112 | $258.1K | 0.00% | +18,112 | New |
| Deutsche Bank AG | 17,399 | $247.9K | 0.00% | +17,399 | New |
| Chicago Trust Co NA | 16,700 | $238.0K | 0.03% | 00.0% | Unchanged |
| MetLife Investment Management | 15,537 | $221.4K | 0.00% | +15,537 | New |
| Mink Brook Asset Management LLC | 15,139 | $215.7K | 0.19% | −126,349−89.3% | Reduced |
| PDT Partners, LLC | 14,891 | $212.2K | 0.01% | −10,864−42.2% | Reduced |
| Steward Partners Investment Advisory, LLC | 14,064 | $200.4K | 0.00% | +6,565+87.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 14,038 | $200.0K | 0.00% | +14,038 | New |
| Engineers Gate Manager LP | 13,889 | $197.9K | 0.00% | +13,889 | New |
| Wells Fargo & Company | 13,750 | $195.9K | 0.00% | +13,000+1,733.3% | Added |
| Magnetar Financial LLC | 13,731 | $195.7K | 0.00% | +13,731 | New |
| Invesco Ltd. | 13,478 | $192.1K | 0.00% | +13,478 | New |
| Price T Rowe Associates Inc | 12,840 | $183.0K | 0.00% | +12,840 | New |
| Intech Investment Management LLC | 12,068 | $172.0K | 0.00% | +12,068 | New |
| State of Tennessee, Treasury Department | 12,000 | $171.0K | 0.00% | −1,950−14.0% | Reduced |
| State of Wyoming | 11,503 | $163.9K | 0.02% | −14,940−56.5% | Reduced |
| Quantum Private Wealth, LLC | 11,500 | $163.9K | 0.05% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 10,991 | $156.6K | 0.00% | −2,409−18.0% | Reduced |
| Northwestern Mutual Wealth Management Co | 10,000 | $142.5K | 0.00% | +10,000 | New |
| Citigroup Inc | 9,103 | $129.7K | 0.00% | +9,102+910,200.0% | Added |
| New York State Common Retirement Fund | 8,100 | $115.4K | 0.00% | +8,100 | New |
| Police & Firemen's Retirement System of New Jersey | 6,137 | $87.5K | 0.00% | +6,137 | New |
| Quest Partners LLC | 5,948 | $84.8K | 0.01% | +1,830+44.4% | Added |
| Royal Bank of Canada | 5,065 | $72.0K | 0.00% | +3,436+210.9% | Added |
| Legal & General Group Plc | 2,852 | $40.6K | 0.00% | +2,852 | New |
| Ameritas Investment Partners, Inc. | 2,617 | $37.3K | 0.00% | +2,617 | New |
| Tower Research Capital LLC (TRC) | 2,558 | $36.5K | 0.00% | −413−13.9% | Reduced |
| California State Teachers Retirement System | 1,600 | $22.8K | 0.00% | +1,600 | New |
| Truvestments Capital LLC | 1,183 | $16.9K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 876 | $12.0K | 0.00% | +876 | New |
| FMR LLC | 455 | $6.48K | 0.00% | +445+4,450.0% | Added |
| Caitong International Asset Management Co., Ltd | 433 | $6.17K | 0.00% | +356+462.3% | Added |
| Advisor Group Holdings, Inc. | 200 | $2.85K | 0.00% | +200 | New |
| Vermillion & White Wealth Management Group, LLC | 150 | $2.14K | 0.00% | +150 | New |
| SBI Securities Co., Ltd. | 102 | $1.45K | 0.00% | +2+2.0% | Added |
| Sterling Capital Management LLC | 62 | $884 | 0.00% | +62 | New |
| Millennium Management LLC | 0 | $0 | 0.00% | −355,929−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −103,200−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −95,919−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −77,833−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −57,235−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −50,205−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −35,300−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −24,492−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −24,213−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −22,401−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −17,102−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −16,590−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −16,303−100.0% | Sold out |