MSTP — Graniteshares ETF Tr Institutional Holders · Q2 2026
Who owns Graniteshares ETF Tr (MSTP)? 8 institutions reported holding $424,334 in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Optiver Holding B.V. ($297,237), Citadel Advisors LLC ($115,494), SBI Securities Co., Ltd. ($11,603).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $297,237 | 26,539 | Trimmed |
| 2 | CITADEL ADVISORS LLC | $115,494 | 10,312 | Trimmed |
| 3 | SBI Securities Co., Ltd. | $11,603 | 1,036 | Trimmed |
| 4 | HOLLENCREST CAPITAL MANAGEMENT | $0 | 0 | Exited |
| 5 | TWO SIGMA SECURITIES, LLC | $0 | 0 | Exited |
| 6 | Ausdal Financial Partners, Inc. | $0 | 0 | Exited |
| 7 | Covestor Ltd | $0 | 0 | Exited |
| 8 | StoneX Group Inc. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30