8 institutions reported holding $43.2M of VOLATILITY SHS TR (ZVOL) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($18.3M), IMC-Chicago, LLC ($14.6M), SIMPLEX TRADING, LLC ($9.5M), HRT FINANCIAL LP ($610,000), Cohalo Advisory LLC ($246,030). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $18.3M | 1.8M | Trimmed |
| 2 | IMC-Chicago, LLC | $14.6M | 1.4M | Added |
| 3 | SIMPLEX TRADING, LLC | $9.5M | 935,200 | Trimmed |
| 4 | HRT FINANCIAL LP | $610,000 | 59,200 | Added |
| 5 | Cohalo Advisory LLC | $246,030 | 29,500 | Trimmed |
| 6 | SUMMIT SECURITIES GROUP LLC | $5,160 | 500 | New |
| 7 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 8 | Lauer Wealth, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30