Institutional Ownership
Eton Pharmaceuticals Inc
CUSIP 29772L108COMETONQ1 2026
13D / 13G Filings
17
Schedule 13D/13G on record
Beneficial Filers
8
Distinct reporting persons
Largest Stake
17.8%
Max % of class reported
Institutional Holders
112
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
17 filings · latest Oct 30, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Oct 30, 2025 | The Vanguard Group | 13G | 5.0% | 1.34M | SEC |
| 2 | Jul 17, 2025 | Blackrock, Inc. | 13G | 5.7% | 1.53M | SEC |
| 3 | Feb 14, 2025 | Ecor1 Capital, LLC | 13G/A | 7.7% | — | SEC |
| 4 | Dec 9, 2024 | Ecor1 Capital, LLC | 13G | 5.4% | 1.40M | SEC |
| 5 | Sep 12, 2024 | Opaleye Management Inc. | 13G/A | 10.3% | 2.67M | SEC |
| 6 | Apr 30, 2024 | Harrow, Inc. | 13D/A | — | — | SEC |
| 7 | Feb 9, 2024 | Opaleye Management Inc. | 13G/A | 9.8% | 2.52M | SEC |
| 8 | Jan 20, 2023 | Opaleye Management Inc. | 13G/A | 8.6% | 2.17M | SEC |
| 9 | Jan 28, 2022 | Harrow Health, Inc. | 13D/A | — | — | SEC |
| 10 | Jan 24, 2022 | Opaleye Management Inc. | 13G/A | 9.7% | 2.38M | SEC |
7 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Eton Pharmaceuticals Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Opaleye Management Inc. | 2.86M | $70.58M |
| 2 | Ecor1 Capital, LLC | 2.17M | $53.60M |
| 3 | Blackrock, Inc. | 1.72M | $42.38M |
| 4 | Nantahala Capital Management, LLC | 1.18M | $29.02M |
| 5 | Geode Capital Management, LLC | 577.7K | $14.26M |
| 6 | State Street Corp | 530.2K | $13.09M |
| 7 | National Philanthropic Trust | 492.1K | $12.15M |
| 8 | Morgan Stanley | 478.0K | $11.80M |
| 9 | Westside Investment Management, Inc. | 467.9K | $11.55M |
| 10 | Oberweis Asset Management Inc/ | 439.3K | $10.84M |