7 institutions reported holding $519.4M of PROSHARES SHORT VIX ST FUTUR (OILD1) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($242.8M), GROUP ONE TRADING LLC ($191.5M), SIMPLEX TRADING, LLC ($79.9M), HRT FINANCIAL LP ($5.0M), FIRST SABREPOINT CAPITAL MANAGEMENT LP ($274,400). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $242.8M | 7.0M | Trimmed |
| 2 | GROUP ONE TRADING LLC | $191.5M | 6.1M | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $79.9M | 2.2M | Trimmed |
| 4 | HRT FINANCIAL LP | $5.0M | 209,210 | Trimmed |
| 5 | FIRST SABREPOINT CAPITAL MANAGEMENT LP | $274,400 | 10,000 | Trimmed |
| 6 | RAMSEY QUANTITATIVE SYSTEMS | $0 | 0 | Exited |
| 7 | NEW WAVE WEALTH ADVISORS LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30