13 institutions reported holding $4.6M of PROSHARES TR ULTRA CRCL (CRCA) in SEC 13F filings for 2026-06-30. Largest institutional holders: JANE STREET GROUP, LLC ($1.3M), Optiver Holding B.V. ($1.2M), CITADEL ADVISORS LLC ($1.1M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($568,021), StoneX Group Inc. ($288,136). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $1.3M | 104,120 | Added |
| 2 | Optiver Holding B.V. | $1.2M | 91,282 | New |
| 3 | CITADEL ADVISORS LLC | $1.1M | 83,050 | Trimmed |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $568,021 | 44,342 | Added |
| 5 | StoneX Group Inc. | $288,136 | 6,511 | New |
| 6 | HOLLENCREST CAPITAL MANAGEMENT | $89,670 | 7,000 | New |
| 7 | CITIGROUP INC | $87,287 | 6,814 | New |
| 8 | UBS Group AG | $33,306 | 2,600 | New |
| 9 | SIMPLEX TRADING, LLC | $7,801 | 609 | Trimmed |
| 10 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
| 11 | MORGAN STANLEY | $0 | 0 | Exited |
| 12 | GROUP ONE TRADING LLC | $0 | 0 | Exited |
| 13 | SG Americas Securities, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30