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 2026
Institutional positions in Eton Pharmaceuticals, Inc. as of Jun 30, 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
- 164
- +49 vs. Q1 2026
- Shares held
- 20.0M
- +2.18M (+12.3%) vs. Q1 2026
- Total value
- $722.6M
- +$284.0M (+64.8%) vs. Q1 2026
- New holders
- 54
- 57 more added
- Sold out
- 5
- 36 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Riggs Asset Managment Co. Inc. | 32,046 | $1.16M | 0.21% | +32,046 | New |
| Blair William & Co | 32,419 | $1.17M | 0.00% | +19+0.1% | Added |
| New York State Common Retirement Fund | 32,779 | $1.19M | 0.00% | +24,679+304.7% | Added |
| Invesco Ltd. | 33,384 | $1.21M | 0.00% | +10,510+45.9% | Added |
| Y-Intercept (Hong Kong) Ltd | 33,542 | $1.21M | 0.02% | +33,542 | New |
| Rhumbline Advisers | 33,703 | $1.22M | 0.00% | +2,977+9.7% | Added |
| Jefferies Financial Group Inc. | 34,027 | $1.23M | 0.01% | +34,027 | New |
| SEI Investments Co | 34,698 | $1.26M | 0.00% | −23,336−40.2% | Reduced |
| Anchor Capital Advisors LLC | 40,619 | $1.47M | 0.04% | −239−0.6% | Reduced |
| HSBC Holdings PLC | 40,974 | $1.53M | 0.00% | +40,974 | New |
| Dimensional Fund Advisors LP | 42,484 | $1.54M | 0.00% | +42,484 | New |
| Aquatic Capital Management LLC | 43,794 | $1.59M | 0.05% | +31,733+263.1% | Added |
| Point72 Asset Management, L.P. | 44,918 | $1.63M | 0.00% | +44,918 | New |
| Polen Capital Management LLC | 45,379 | $1.64M | 0.01% | +15,241+50.6% | Added |
| Citadel Advisors LLC | 48,969 | $1.77M | 0.00% | −58,846−54.6% | Reduced |
| Renaissance Technologies LLC | 52,300 | $1.89M | 0.00% | −111,021−68.0% | Reduced |
| HighTower Advisors, LLC | 52,907 | $1.92M | 0.00% | +34,484+187.2% | Added |
| Barclays PLC | 56,181 | $2.03M | 0.00% | +6,807+13.8% | Added |
| Boothbay Fund Management, LLC | 57,516 | $2.08M | 0.04% | +1,911+3.4% | Added |
| Squarepoint Ops LLC | 59,562 | $2.16M | 0.00% | +59,562 | New |
| UBS Group AG | 65,424 | $2.37M | 0.00% | −103,534−61.3% | Reduced |
| Numerai GP LLC | 70,114 | $2.54M | 0.21% | +32,758+87.7% | Added |
| Diametric Capital, LP | 73,101 | $2.65M | 0.28% | −83,825−53.4% | Reduced |
| Wellington Management Group LLP | 76,103 | $2.75M | 0.00% | +5,979+8.5% | Added |
| Charles Schwab Investment Management Inc | 77,032 | $2.79M | 0.00% | +8,237+12.0% | Added |
| Walleye Capital LLC | 86,249 | $3.12M | 0.01% | +4,286+5.2% | Added |
| Bridge City Capital, LLC | 88,132 | $3.19M | 0.73% | +66,982+316.7% | Added |
| Wasatch Advisors Inc | 92,742 | $3.36M | 0.02% | +92,742 | New |
| Wells Fargo & Company | 114,655 | $4.15M | 0.00% | +105,096+1,099.4% | Added |
| Two Sigma Investments, LP | 116,291 | $4.21M | 0.00% | +9,898+9.3% | Added |
| Bank of New York Mellon Corp | 118,249 | $4.28M | 0.00% | +6,994+6.3% | Added |
| Goldman Sachs Group Inc | 132,583 | $4.80M | 0.00% | −84,863−39.0% | Reduced |
| Prelude Capital Management, LLC | 137,572 | $4.98M | 0.37% | −51,230−27.1% | Reduced |
| Bank of America Corp | 142,257 | $5.15M | 0.00% | −2,110−1.5% | Reduced |
| Aristides Capital LLC | 145,410 | $5.26M | 1.35% | −40,631−21.8% | Reduced |
| Prospect Capital Advisors, LLC | 157,200 | $5.69M | 2.58% | +157,200 | New |
| EAM Investors, LLC | 158,045 | $5.72M | 0.51% | +109,422+225.0% | Added |
| Vanguard Fiduciary Trust Co | 168,539 | $6.10M | 0.00% | +3,824+2.3% | Added |
| Norges Bank | 169,500 | $6.14M | 0.00% | +169,500 | New |
| Cannell Capital LLC | 170,747 | $6.18M | 4.32% | −171,238−50.1% | Reduced |
| Lumbard & Kellner, LLC | 175,909 | $6.37M | 1.93% | −20.0% | Reduced |
| Jane Street Group, LLC | 185,697 | $6.72M | 0.00% | +90,277+94.6% | Added |
| D. E. Shaw & Co., Inc. | 188,452 | $6.82M | 0.00% | +188,452 | New |
| JPMorgan Chase & Co | 191,635 | $7.04M | 0.00% | +21,759+12.8% | Added |
| Vanguard Portfolio Management LLC | 194,591 | $7.04M | 0.00% | +42,843+28.2% | Added |
| Panoramic Capital, LLC | 208,192 | $7.54M | 3.24% | +23,192+12.5% | Added |
| Marshall Wace, LLP | 249,182 | $9.02M | 0.01% | +166,461+201.2% | Added |
| Northern Trust Corp | 255,849 | $9.26M | 0.00% | +18,017+7.6% | Added |
| Thompson Siegel & Walmsley LLC | 297,232 | $10.8M | 0.19% | −108,857−26.8% | Reduced |
| Woodline Partners LP | 310,879 | $11.3M | 0.03% | +140,180+82.1% | Added |
| BNP Paribas Arbitrage, SA | 322,466 | $11.7M | 0.01% | +20,358+6.7% | Added |
| Nuveen, LLC | 375,707 | $13.6M | 0.00% | +317,757+548.3% | Added |
| Pillsbury Lake Capital LLC | 387,157 | $14.0M | 3.85% | +22,203+6.1% | Added |
| Westside Investment Management, Inc. | 431,160 | $15.6M | 2.05% | −36,755−7.9% | Reduced |
| National Philanthropic Trust | 492,112 | $17.8M | 0.26% | 00.0% | Unchanged |
| Oberweis Asset Management Inc | 501,600 | $18.2M | 0.38% | +62,300+14.2% | Added |
| Geode Capital Management, LLC | 652,303 | $23.6M | 0.00% | +74,637+12.9% | Added |
| State Street Corp | 701,786 | $25.4M | 0.00% | +171,571+32.4% | Added |
| Morgan Stanley | 767,972 | $27.8M | 0.00% | +290,015+60.7% | Added |
| Vanguard Capital Management LLC | 976,570 | $35.4M | 0.00% | −17,519−1.8% | Reduced |
| Nantahala Capital Management, LLC | 1,175,951 | $42.6M | 2.57% | 00.0% | Unchanged |
| BlackRock, Inc. | 1,895,833 | $68.6M | 0.00% | +178,547+10.4% | Added |
| EcoR1 Capital, LLC | 2,171,938 | $78.6M | 3.90% | 00.0% | Unchanged |
| Opaleye Management Inc. | 2,860,000 | $103.5M | 9.38% | 00.0% | Unchanged |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −166,381−100.0% | Sold out |
| Manatuck Hill Partners, LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −14,939−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |