3 institutions reported holding $2.7M of GRANITESHARES ETF TR (BTDL) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($1.1M), SIMPLEX TRADING, LLC ($957,749), GROUP ONE TRADING LLC ($633,916). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $1.1M | 46,700 | New |
| 2 | SIMPLEX TRADING, LLC | $957,749 | 43,500 | New |
| 3 | GROUP ONE TRADING LLC | $633,916 | 30,500 | New |
Source: SEC Form 13F filings · as of 2026-06-30