12 institutions reported holding $3.5M of GRANITESHARES 2X LONG DELL DAILY ETF (DLLL) in SEC 13F filings for 2026-03-31. Largest institutional holders: CITADEL ADVISORS LLC ($953,053), GTS SECURITIES LLC ($676,588), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($514,624), JANE STREET GROUP, LLC ($479,649), Belvedere Trading LLC ($417,101). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $953,053 | 27,168 | Added |
| 2 | GTS SECURITIES LLC | $676,588 | 19,287 | New |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $514,624 | 14,670 | Trimmed |
| 4 | JANE STREET GROUP, LLC | $479,649 | 13,673 | New |
| 5 | Belvedere Trading LLC | $417,101 | 11,890 | Trimmed |
| 6 | Optiver Holding B.V. | $342,697 | 9,769 | Trimmed |
| 7 | SIMPLEX TRADING, LLC | $105,731 | 3,014 | New |
| 8 | HOLLENCREST CAPITAL MANAGEMENT | $52,620 | 1,500 | New |
| 9 | Tower Research Capital LLC (TRC) | $3,508 | 100 | New |
| 10 | SBI Securities Co., Ltd. | $1,894 | 54 | Added |
| 11 | UBS Group AG | $0 | 0 | Exited |
| 12 | GROUP ONE TRADING LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31