11 institutions reported holding $29.1M of PROSHARES TR (SPXU) in SEC 13F filings for 2026-03-31. Largest institutional holders: Turim 21 Investimentos Ltda. ($19.9M), IMC-Chicago, LLC ($3.7M), Arete Wealth Advisors, LLC ($3.5M), SIMPLEX TRADING, LLC ($1.6M), GROUP ONE TRADING LLC ($358,726). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Turim 21 Investimentos Ltda. | $19.9M | 34,405 | Trimmed |
| 2 | IMC-Chicago, LLC | $3.7M | 104,700 | Trimmed |
| 3 | Arete Wealth Advisors, LLC | $3.5M | 214,198 | New |
| 4 | SIMPLEX TRADING, LLC | $1.6M | 45,400 | Trimmed |
| 5 | GROUP ONE TRADING LLC | $358,726 | 10,300 | Trimmed |
| 6 | Your Advocates Ltd., LLP | $56,740 | 1,000 | New |
| 7 | HUNTINGTON NATIONAL BANK | $39 | 1 | Hold |
| 8 | HRT FINANCIAL LP | $0 | 0 | Exited |
| 9 | CMT Capital Markets Trading GmbH | $0 | 0 | Exited |
| 10 | Capstone Capital Management Ltd | $0 | 0 | Exited |
| 11 | JPMORGAN CHASE & CO | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31