GRANITESHARES ETF TR 2X SHORT MSTR is a security (CUSIP 38747R389) tracked across SEC portfolio filings. 4 institutional managers reported $720K on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| CITADEL ADVISORS LLC | MIAMI, FL | $418K | 6,134 |
| Optiver Holding B.V. | AMSTERDAM, P7 | $276K | 4,050 |
| UBS Group AG | Zurich, V8 | $25K | 367 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | 0 |