4 institutions reported holding $601,641 of PROSHARES TR (SBB) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($490,334), SIMPLEX TRADING, LLC ($105,817), JPMORGAN CHASE & CO ($5,490), MORGAN STANLEY ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $490,334 | 22,242 | New |
| 2 | SIMPLEX TRADING, LLC | $105,817 | 4,800 | New |
| 3 | JPMORGAN CHASE & CO | $5,490 | 247 | Trimmed |
| 4 | MORGAN STANLEY | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30