10 institutions reported holding $8.6M of GRANITESHARES ETF TR (IONL) in SEC 13F filings for 2026-03-31. Largest institutional holders: JANE STREET GROUP, LLC ($7.3M), MIRAE ASSET SECURITIES (USA) INC. ($432,000), SBI Securities Co., Ltd. ($365,029), CITADEL ADVISORS LLC ($141,480), StoneX Group Inc. ($132,257). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $7.3M | 675,000 | Added |
| 2 | MIRAE ASSET SECURITIES (USA) INC. | $432,000 | 40,000 | New |
| 3 | SBI Securities Co., Ltd. | $365,029 | 33,799 | Added |
| 4 | CITADEL ADVISORS LLC | $141,480 | 13,100 | Trimmed |
| 5 | StoneX Group Inc. | $132,257 | 12,246 | New |
| 6 | HRT FINANCIAL LP | $129,000 | 12,000 | New |
| 7 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $122,040 | 11,300 | New |
| 8 | SIMPLEX TRADING, LLC | $982 | 91 | New |
| 9 | UBS Group AG | $0 | 0 | Exited |
| 10 | GROUP ONE TRADING LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31