7 institutions reported holding $1.7M of PROSHARES TR (UMDD) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($777,997), MERCER GLOBAL ADVISORS INC /ADV ($585,002), Millington Financial Advisors, LLC ($329,751), HANTZ FINANCIAL SERVICES, INC. ($36,000), Qube Research & Technologies Ltd ($4,316). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $777,997 | 20,730 | New |
| 2 | MERCER GLOBAL ADVISORS INC /ADV | $585,002 | 15,588 | New |
| 3 | Millington Financial Advisors, LLC | $329,751 | 9,383 | Added |
| 4 | HANTZ FINANCIAL SERVICES, INC. | $36,000 | 969 | Hold |
| 5 | Qube Research & Technologies Ltd | $4,316 | 115 | Added |
| 6 | MORGAN STANLEY | $43 | 1 | Hold |
| 7 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30