4 institutions reported holding $192,283 of PROSHARES TR (SMN) in SEC 13F filings for 2026-03-31. Largest institutional holders: JANE STREET GROUP, LLC ($192,263), MORGAN STANLEY ($20), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($0), UBS Group AG ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $192,263 | 17,935 | New |
| 2 | MORGAN STANLEY | $20 | 1 | Hold |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
| 4 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31