11 institutions reported holding $6.3M of GRANITESHARES ETF TR (CONI) in SEC 13F filings for 2026-06-30. Largest institutional holders: CITADEL ADVISORS LLC ($2.5M), JANE STREET GROUP, LLC ($1.6M), Belvedere Trading LLC ($987,856), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($873,993), Optiver Holding B.V. ($215,019). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $2.5M | 39,448 | Added |
| 2 | JANE STREET GROUP, LLC | $1.6M | 25,042 | Added |
| 3 | Belvedere Trading LLC | $987,856 | 15,547 | Trimmed |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $873,993 | 13,755 | Added |
| 5 | Optiver Holding B.V. | $215,019 | 3,384 | Trimmed |
| 6 | JPMORGAN CHASE & CO | $47,448 | 800 | New |
| 7 | SBI Securities Co., Ltd. | $24,781 | 390 | Trimmed |
| 8 | SIMPLEX TRADING, LLC | $19,633 | 309 | Trimmed |
| 9 | GROUP ONE TRADING LLC | $13,788 | 217 | Trimmed |
| 10 | Tower Research Capital LLC (TRC) | $1,017 | 16 | New |
| 11 | IMC-Chicago, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30