OILU1 — Proshares Tr II Institutional Holders · Q2 2026
Who owns Proshares Tr II (OILU1)? 4 institutions reported holding $161.50M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: IMC-Chicago, LLC ($90.6M), Group One Trading LLC ($45.2M), Simplex Trading, LLC ($25.6M).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $90.6M | 1.5M | Trimmed |
| 2 | GROUP ONE TRADING LLC | $45.2M | 987,100 | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $25.6M | 443,900 | Added |
| 4 | RAMSEY QUANTITATIVE SYSTEMS | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30