7 institutions reported holding $369,317 of PROSHARES TR (UMDD) in SEC 13F filings for 2026-03-31. Largest institutional holders: Millington Financial Advisors, LLC ($268,942), Tower Research Capital LLC (TRC) ($73,090), HANTZ FINANCIAL SERVICES, INC. ($25,000), Qube Research & Technologies Ltd ($2,245), MORGAN STANLEY ($40). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Millington Financial Advisors, LLC | $268,942 | 8,273 | Added |
| 2 | Tower Research Capital LLC (TRC) | $73,090 | 2,800 | New |
| 3 | HANTZ FINANCIAL SERVICES, INC. | $25,000 | 969 | Added |
| 4 | Qube Research & Technologies Ltd | $2,245 | 86 | Trimmed |
| 5 | MORGAN STANLEY | $40 | 1 | Hold |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
| 7 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31