GRANITESHARES ETF TR YIELDBOOST MSTR is a security (CUSIP 38747R280) tracked across SEC portfolio filings. 2 institutional managers reported $218K on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| JANE STREET GROUP, LLC | NEW YORK, NY | $218K | 44,342 |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $9 | 2 |