Eton PharmaceuticalsETON
13F holders, Q2 2025 (June 30)87holders +1
26new positions
25sold out
1famous investor
$14.25avg. 13F price*
At the end of Q2 2025, 87 institutions reported holding Eton Pharmaceuticals Inc. (ETON) in their 13F filings, up 1 from Q1 2025. 26 opened new positions and 25 sold out. The largest holders were Opaleye Management Inc. ($40.8M), EcoR1 Capital, LLC ($28.9M) and BlackRock, Inc. ($21.8M). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Eton Pharmaceuticals Inc.
- CUSIP
- 29772L108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $17.3M |
| Exits | 25 | $12.8M |
All 13F filers, Q1 2025 → Q2 2025: 4,893,911 shares bought and 2,436,214 shares sold, net +2,457,697 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 87 holders
| Opaleye Management Inc. | 8.43% | Add +0.3% | 2,860,000 | $40.8M |
| EcoR1 Capital, LLC | 1.72% | Add +4.7% | 2,030,544 | $28.9M |
| BlackRock, Inc. | 0.00% | Add +343.5% | 1,531,711 | $21.8M |
| Vanguard Group Inc. | 0.00% | Add +19.2% | 1,312,173 | $18.7M |
| Nantahala Capital Management, LLC | 1.19% | No change | 1,175,951 | $16.8M |
| Geode Capital Management, LLC | 0.00% | Add +98.8% | 592,865 | $8.5M |
| Morgan Stanley | 0.00% | Add +245.9% | 509,568 | $7.3M |
| Divisadero Street Capital Management, LP | 0.47% | New | 497,716 | $7.1M |
| National Philanthropic Trust | 0.09% | No change | 492,112 | $7.0M |
| Westside Investment Management, Inc. | 1.25% | Reduce -4.2% | 472,790 | $6.7M |
| Renaissance Technologies | 0.01% | Add +48.1% | 405,900 | $5.8M |
| Acadian Asset Management LLC | 0.01% | Reduce -2.4% | 392,715 | $5.6M |
| Cannell Capital LLC | 1.73% | Reduce -43.9% | 388,175 | $5.5M |
| Thompson Siegel & Walmsley LLC | 0.09% | Add +100.8% | 381,265 | $5.4M |
| State Street Corp. | 0.00% | Add +182.9% | 323,194 | $4.6M |
| Soleus Capital Management, L.P. | 0.28% | New | 285,000 | $4.1M |
| Northern Trust Corp. | 0.00% | Add +210.5% | 262,211 | $3.7M |
| JPMorgan Chase & Co. | 0.00% | Add +114.5% | 242,580 | $3.5M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Reduce -4.5% | 222,083 | $3.2M |
| Two Sigma Investments, LP | 0.01% | Add +160.5% | 214,552 | $3.1M |
| UBS Group AG | 0.00% | Add +121.9% | 212,484 | $3.0M |
| Aristides Capital LLC | 0.76% | Reduce -30.6% | 167,587 | $2.4M |
| Bridgeway Capital Management, LLC | 0.05% | No change | 135,270 | $1.9M |
| Bank of New York Mellon Corp | 0.00% | Add +71.5% | 127,344 | $1.8M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -37.6% | 109,379 | $1.6M |
| Stifel Financial Corp. | 0.00% | Reduce -66.2% | 108,168 | $1.5M |
| Apis Capital Advisors, LLC | 0.54% | New | 106,000 | $1.5M |
| Two Sigma Advisers, LP | 0.00% | Add +90.0% | 100,900 | $1.4M |
| Squarepoint Ops LLC | 0.00% | Add +44.8% | 93,796 | $1.3M |
| Raymond James Financial Inc. | 0.00% | Add +15.6% | 90,415 | $1.3M |
| BNP Paribas Financial Markets | 0.00% | Add +123.0% | 87,696 | $1.2M |
| Anchor Capital Advisors LLC | 0.04% | Add +45.7% | 87,661 | $1.2M |
| Diametric Capital, LP | 0.65% | Add +333.0% | 84,858 | $1.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +487.7% | 77,848 | $1.1M |
| Nuveen, LLC | 0.00% | New | 58,917 | $840K |
| Jacobs Levy Equity Management, Inc. | 0.00% | No change | 54,275 | $773K |
| Barclays PLC | 0.00% | Add +2.5% | 45,790 | $653K |
| Prelude Capital Management, LLC | 0.06% | Reduce -74.3% | 43,600 | $621K |
| Bank of America Corp. | 0.00% | Add +196.8% | 36,921 | $526K |
| Rhumbline Advisers | 0.00% | New | 36,594 | $521K |
| Aquatic Capital Management LLC | 0.01% | New | 35,850 | $511K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -60.2% | 34,557 | $492K |
| Blair William & Co. | 0.00% | Reduce -7.2% | 32,400 | $462K |
| BRC Group Holdings, Inc. | 0.51% | New | 31,504 | $449K |
| Susquehanna International Group, LLP | 0.00% | Reduce -93.2% | 30,598 | $436K |
| Wellington Management Group LLP | 0.00% | Add +15.5% | 29,213 | $416K |
| Quantbot Technologies LP | 0.01% | Add +223.8% | 25,233 | $360K |
| Man Group plc | 0.00% | Add +6.0% | 23,754 | $338K |
| Envestnet Asset Management Inc. | 0.00% | Add +33.1% | 23,050 | $328K |
| Essex Investment Management Co. LLC | 0.05% | Reduce -1.2% | 20,182 | $288K |
| Hillsdale Investment Management Inc. | 0.01% | Reduce -0.4% | 18,903 | $269K |
| Russell Investments Group, Ltd. | 0.00% | New | 18,112 | $258K |
| Deutsche Bank AG | 0.00% | New | 17,399 | $248K |
| CHICAGO TRUST Co NA | 0.03% | No change | 16,700 | $238K |
| MetLife Investment Management, LLC | 0.00% | New | 15,537 | $221K |
| Mink Brook Asset Management LLC | 0.19% | Reduce -89.3% | 15,139 | $216K |
| PDT Partners, LLC | 0.01% | Reduce -42.2% | 14,891 | $212K |
| Steward Partners Investment Advisory, LLC | 0.00% | Add +87.5% | 14,064 | $200K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 14,038 | $200K |
| Engineers Gate Manager LP | 0.00% | New | 13,889 | $198K |
| Wells Fargo & Company | 0.00% | Add +1733.3% | 13,750 | $196K |
| Magnetar Financial LLC | 0.00% | New | 13,731 | $196K |
| Invesco Ltd. | 0.00% | New | 13,478 | $192K |
| T. Rowe Price Associates Inc. | 0.00% | New | 12,840 | $183K |
| Intech Investment Management LLC | 0.00% | New | 12,068 | $172K |
| State of Tennessee, Department of Treasury | 0.00% | Reduce -14.0% | 12,000 | $171K |
| State of Wyoming | 0.02% | Reduce -56.5% | 11,503 | $164K |
| Quantum Private Wealth, LLC | 0.05% | No change | 11,500 | $164K |
| Y-Intercept (Hong Kong) Ltd | 0.00% | Reduce -18.0% | 10,991 | $157K |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 10,000 | $143K |
| Citigroup Inc. | 0.00% | Add +910200.0% | 9,103 | $130K |
| New York State Common Retirement Fund | 0.00% | New | 8,100 | $115K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 6,137 | $87K |
| AlphaQuest LLC | 0.01% | Add +44.4% | 5,948 | $85K |
| Royal Bank of Canada | 0.00% | Add +210.9% | 5,065 | $72K |
| Legal & General Group Plc | 0.00% | New | 2,852 | $41K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 2,617 | $37K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -13.9% | 2,558 | $36K |
| California State Teachers Retirement System | 0.00% | New | 1,600 | $23K |
| Truvestments Capital LLC | 0.00% | No change | 1,183 | $17K |
| Amalgamated Bank | 0.00% | New | 876 | $12K |
| FMR LLC | 0.00% | Add +4450.0% | 455 | $6K |
| Caitong International Asset Management Co., Ltd | 0.00% | Add +462.3% | 433 | $6K |
| Osaic Holdings, Inc. | 0.00% | New | 200 | $3K |
| Vermillion & White Wealth Management Group, LLC | 0.00% | New | 150 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +2.0% | 102 | $1K |
| Sterling Capital Management LLC | 0.00% | New | 62 | $884 |
"% of holder's portfolio" is ETON's weight in each manager's 13F, not the share of Eton Pharmaceuticals Inc. the manager owns.