CONI GraniteShares 2x Short COIN Daily ETF
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Institutional owners (13F) 15 filers · $6.0M total · As of June 30, 2026
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
Institutional activity — Q2 2026 vs prior quarter
| New positions | Exited positions | Increased | Decreased | Net shares change |
|---|---|---|---|---|
| 5 (+2 vs prior Q) | 1 (-3 vs prior Q) | 3 (-4 vs prior Q) | 7 (+5 vs prior Q) | +22K |
Compared to Q1 2026. SEC Form 13F filings are due within 45 days of quarter-end plus a short buffer for late filers — quarters still inside that window are skipped in favor of the most recent fully-reported pair.
| Institution | Value | Shares | % of tracked 13F | Type |
|---|---|---|---|---|
| CITADEL ADVISORS LLC | $1,518,606 | 23,900 | 25.11% | Call option |
| JANE STREET GROUP, LLC | $1,308,924 | 20,600 | 21.64% | Call option |
| Belvedere Trading LLC | $908,622 | 14,300 | 15.02% | Call option |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $641,754 | 10,100 | 10.61% | Shares |
| CITADEL ADVISORS LLC | $638,450 | 10,048 | 10.55% | Shares |
| CITADEL ADVISORS LLC | $349,470 | 5,500 | 5.78% | Put option |
| JANE STREET GROUP, LLC | $282,245 | 4,442 | 4.67% | Shares |
| Optiver Holding B.V. | $215,019 | 3,384 | 3.55% | Shares |
| Belvedere Trading LLC | $47,464 | 747 | 0.78% | Shares |
| JPMORGAN CHASE & CO | $47,448 | 800 | 0.78% | Shares |
| Belvedere Trading LLC | $31,770 | 500 | 0.53% | Put option |
| SBI Securities Co., Ltd. | $24,781 | 390 | 0.41% | Shares |
| SIMPLEX TRADING, LLC | $19,633 | 309 | 0.32% | Shares |
| GROUP ONE TRADING LLC | $13,788 | 217 | 0.23% | Shares |
| Tower Research Capital LLC (TRC) | $1,017 | 16 | 0.02% | Shares |