11 institutions reported holding $9.4M of GRANITESHARES ETF TR (AMZZ) in SEC 13F filings for 2026-03-31. Largest institutional holders: JANE STREET GROUP, LLC ($4.3M), CITADEL ADVISORS LLC ($2.3M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.9M), Optiver Holding B.V. ($912,280), SIMPLEX TRADING, LLC ($17,571). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $4.3M | 175,741 | Added |
| 2 | CITADEL ADVISORS LLC | $2.3M | 93,300 | Added |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.9M | 78,091 | New |
| 4 | Optiver Holding B.V. | $912,280 | 37,277 | New |
| 5 | SIMPLEX TRADING, LLC | $17,571 | 718 | New |
| 6 | SBI Securities Co., Ltd. | $11,380 | 465 | Added |
| 7 | UBS Group AG | $2,447 | 100 | New |
| 8 | HOLLENCREST CAPITAL MANAGEMENT | $367 | 15 | Added |
| 9 | Belvedere Trading LLC | $0 | 0 | Exited |
| 10 | Larson Financial Group LLC | $0 | 0 | Exited |
| 11 | GROUP ONE TRADING LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31