GRANITESHARES ETF TR 2X LONG MRVL is a security (CUSIP 38747R520) tracked across SEC portfolio filings. 13 institutional managers reported $10.8M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Belvedere Trading LLC | CHICAGO, IL | $4.7M | 1,485 |
| CITADEL ADVISORS LLC | MIAMI, FL | $2.4M | 19,231 |
| SBI Securities Co., Ltd. | TOKYO, M0 | $1.7M | 29,369 |
| Optiver Holding B.V. | AMSTERDAM, P7 | $558K | 21,536 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $448K | — |
| DRW Securities, LLC | CHICAGO, IL | $294K | 11,342 |
| HUB Investment Partners, LLC | AUSTIN, TX | $258K | 4,500 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $222K | 8,560 |
| MORGAN STANLEY | NEW YORK, NY | $65K | 2,500 |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $37K | 1,427 |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $19K | 716 |
| CREATIVE FINANCIAL DESIGNS INC /ADV | KOKOMO, IN | $11K | 195 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | 0 |