GERNW — Geron Corp Institutional Holders · Q2 2026
Who owns Geron Corp (GERNW)? 2 institutions reported holding $577,792 in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Simplex Trading, LLC ($483,584), Group One Trading LLC ($94,208).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $483,584 | 377,800 | Trimmed |
| 2 | GROUP ONE TRADING LLC | $94,208 | 73,600 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30