4 institutions reported holding $243,201 of PROSHARES TR (SIJ) in SEC 13F filings for 2026-03-31. Largest institutional holders: JANE STREET GROUP, LLC ($135,767), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($107,410), MORGAN STANLEY ($24), IMC-Chicago, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $135,767 | 13,042 | New |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $107,410 | 10,318 | Trimmed |
| 3 | MORGAN STANLEY | $24 | 2 | Hold |
| 4 | IMC-Chicago, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31