4 institutions reported holding $446,376 of PROSHARES TR (MYY) in SEC 13F filings for 2026-03-31. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($378,035), Tower Research Capital LLC (TRC) ($68,291), MORGAN STANLEY ($29), WELLS FARGO & COMPANY/MN ($21). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $378,035 | 22,065 | New |
| 2 | Tower Research Capital LLC (TRC) | $68,291 | 3,986 | Trimmed |
| 3 | MORGAN STANLEY | $29 | 1 | Trimmed |
| 4 | WELLS FARGO & COMPANY/MN | $21 | 1 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31