3 institutions reported holding $1.2M of EA SERIES TRUST (ZGEN) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($1.1M), SIMPLEX TRADING, LLC ($54,749), GROUP ONE TRADING LLC ($9,660). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $1.1M | 23,100 | Added |
| 2 | SIMPLEX TRADING, LLC | $54,749 | 900 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $9,660 | 200 | New |
Source: SEC Form 13F filings · as of 2026-06-30