15 institutions reported holding $4.1M of PROSHARES TR II (EUO) in SEC 13F filings for 2026-03-31. Largest institutional holders: CITADEL ADVISORS LLC ($1.2M), CHELSEA COUNSEL CO ($704,001), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($671,979), Verity Asset Management, Inc. ($664,875), Simplicity Wealth,LLC ($399,422). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $1.2M | 40,226 | Added |
| 2 | CHELSEA COUNSEL CO | $704,001 | 24,850 | Hold |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $671,979 | 22,702 | Added |
| 4 | Verity Asset Management, Inc. | $664,875 | 22,462 | Added |
| 5 | Simplicity Wealth,LLC | $399,422 | 13,494 | Hold |
| 6 | JANE STREET GROUP, LLC | $213,120 | 7,200 | Trimmed |
| 7 | Avidian Wealth Enterprises, LLC | $207,200 | 7,000 | New |
| 8 | OSAIC HOLDINGS, INC. | $50,912 | 1,720 | Added |
| 9 | SJS Investment Consulting Inc. | $4,056 | 137 | New |
| 10 | MORGAN STANLEY | $2,960 | 100 | Hold |
| 11 | MAI Capital Management | $2,960 | 100 | Hold |
| 12 | Team Financial Group, LLC | $2,190 | 74 | Hold |
| 13 | GROUP ONE TRADING LLC | $237 | 8 | Hold |
| 14 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
| 15 | NEW YORK LIFE INVESTMENT MANAGEMENT LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31