4 institutions reported holding $211,678 of PROSHARES TR (SMDD) in SEC 13F filings for 2026-03-31. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($211,403), SIMPLEX TRADING, LLC ($238), UBS Group AG ($23), MORGAN STANLEY ($14). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $211,403 | 18,595 | Added |
| 2 | SIMPLEX TRADING, LLC | $238 | 21 | New |
| 3 | UBS Group AG | $23 | 2 | Hold |
| 4 | MORGAN STANLEY | $14 | 1 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31