12 institutions reported holding $2.2M of GRANITESHARES ETF TR (AAPB) in SEC 13F filings for 2026-03-31. Largest institutional holders: Belvedere Trading LLC ($720,633), Optiver Holding B.V. ($527,196), CITADEL ADVISORS LLC ($502,014), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($370,600), BANK OF MONTREAL /CAN/ ($26,990). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Belvedere Trading LLC | $720,633 | 26,700 | New |
| 2 | Optiver Holding B.V. | $527,196 | 19,533 | Added |
| 3 | CITADEL ADVISORS LLC | $502,014 | 18,600 | Trimmed |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $370,600 | 13,731 | New |
| 5 | BANK OF MONTREAL /CAN/ | $26,990 | 1,000 | New |
| 6 | HOLLENCREST CAPITAL MANAGEMENT | $20,243 | 750 | New |
| 7 | SBI Securities Co., Ltd. | $9,635 | 357 | Trimmed |
| 8 | TOTH FINANCIAL ADVISORY CORP | $1,107 | 41 | New |
| 9 | SIMPLEX TRADING, LLC | $755 | 28 | Added |
| 10 | UBS Group AG | $0 | 0 | Exited |
| 11 | WOODWARD DIVERSIFIED CAPITAL, LLC | $0 | 0 | Exited |
| 12 | Royal Bank of Canada | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31