5 institutions reported holding $544,044 of PROSHARES TR (SDD) in SEC 13F filings for 2026-03-31. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($308,122), WealthPlan Investment Management, LLC ($235,901), MORGAN STANLEY ($21), UBS Group AG ($0), SIMPLEX TRADING, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $308,122 | 26,733 | New |
| 2 | WealthPlan Investment Management, LLC | $235,901 | 20,467 | Hold |
| 3 | MORGAN STANLEY | $21 | 1 | Hold |
| 4 | UBS Group AG | $0 | 0 | Exited |
| 5 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31