Eton Pharmaceuticals, Inc. ETON
56.46 USD +9.31 (+19.75%)
At closeNov 6, 2026, 6:32 PM EST
56.80 +0.34 +0.60%
After hours · Nov 6, 6:32 PM ET
51.82 Day range 58.59
14.35 52-week range 64.43
- YTD
- +233.89%
- 1 year
- +194.98%
Held by funds
90 US ETFs and mutual funds hold ETON · largest positions
Ownership
Held by insiders 4.89%
Held by institutions 71.77%
Float held by institutions 75.46%
Institutions 261
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Opaleye Management Inc. | 10.01% | 2,860,000 | 161.48M | Jun 29, 2026 |
| EcoR1 Capital, LLC | 7.60% | 2,171,938 | 122.63M | Jun 29, 2026 |
| Blackrock Inc. | 6.63% | 1,895,833 | 107.04M | Jun 29, 2026 |
| Nantahala Capital Management, LLC | 4.11% | 1,175,951 | 66.39M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 3.42% | 976,570 | 55.14M | Jun 29, 2026 |
| Morgan Stanley | 2.69% | 767,972 | 43.36M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| iShares Trust-iShares Russell 2000 ETF | 2.42% | 690,942 | 39.01M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 2.40% | 684,821 | 38.66M | Jun 29, 2026 |
| OBERWEIS FUNDS-Oberweis Micro-Cap Fund | 1.69% | 483,900 | 27.32M | Jun 29, 2026 |
| Fidelity Securities Fund-Fidelity Small Cap Growth Fund | 1.54% | 439,150 | 24.79M | Aug 30, 2026 |
| Fidelity Salem Street Trust-Fidelity Small Cap Index Fund | 1.02% | 292,342 | 16.51M | Aug 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 0.95% | 271,079 | 15.31M | Jun 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| ADAMS JENNIFER MCKIE | Director | Sale | Jun 16, 2026 | 0 |
| BRYNJELSEN SEAN E | Chief Executive Officer | Sale | Aug 19, 2026 | 961,194 |
| GRUBER JAMES R | Chief Financial Officer | Sale | Aug 19, 2025 | 204,753 |
| KREMPA DAVID | Officer | Sale | Oct 5, 2026 | 43,381 |
| MAIER PAUL V | Director | Sale | Aug 27, 2026 | 59,745 |
| OPALEYE MANAGEMENT, INC. | Beneficial Owner of more than 10% of a Class of Security | Sale | Jul 13, 2026 | 0 |
