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.
Holders of 5% or more of ETON
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Eton Pharmaceuticals, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| EcoR1 Capital, LLC | 13G/A | 7.70%1.98M shares | – | Feb 14, 20251 filing | Feb 14, 2025 | SEC |
| BlackRock, Inc. | 13G | 5.70%1.53M shares | New | Jul 17, 20251 filing | Jul 17, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
4 Schedule 13D and 13G filings on Eton Pharmaceuticals, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20266:20 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −5.01 ppfrom 5.01%Below 5% | Mar 13, 2026 | SEC |
| Oct 30, 20253:18 PM ET | Vanguard Group Inc | 13G | 5.01%1.34M shares | New | Sep 30, 2025 | SEC |
| Jul 17, 20257:54 PM ET | BlackRock, Inc. | 13G | 5.70%1.53M shares | New | Jun 30, 2025 | SEC |
| Feb 14, 20251:04 PM ET | EcoR1 Capital, LLCand 2 others | 13G/A | 7.70%1.98M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Eton Pharmaceuticals, Inc. shares.
No Form 144 notices for Eton Pharmaceuticals, Inc. are on file.