2 institutions reported holding $51 of PROSHARES TR (SUPL) in SEC 13F filings for 2026-03-31. Largest institutional holders: MORGAN STANLEY ($51), JANE STREET GROUP, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | MORGAN STANLEY | $51 | 1 | Trimmed |
| 2 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31