14 institutions reported holding $4.4M of GRANITESHARES ETF TR (MSFL) in SEC 13F filings for 2026-03-31. Largest institutional holders: CITADEL ADVISORS LLC ($2.0M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.2M), IMC-Chicago, LLC ($861,060), Optiver Holding B.V. ($294,681), SIMPLEX TRADING, LLC ($37,688). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $2.0M | 128,459 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.2M | 77,371 | Added |
| 3 | IMC-Chicago, LLC | $861,060 | 56,500 | Added |
| 4 | Optiver Holding B.V. | $294,681 | 19,336 | Added |
| 5 | SIMPLEX TRADING, LLC | $37,688 | 2,473 | Added |
| 6 | BANK OF MONTREAL /CAN/ | $21,336 | 1,400 | New |
| 7 | SBI Securities Co., Ltd. | $11,003 | 722 | Added |
| 8 | Caitlin John, LLC | $5,334 | 350 | New |
| 9 | Larson Financial Group LLC | $4,801 | 315 | Hold |
| 10 | GROUP ONE TRADING LLC | $2,560 | 168 | Trimmed |
| 11 | MORGAN STANLEY | $411 | 27 | Hold |
| 12 | Integrity Financial Corp /WA | $137 | 9 | Hold |
| 13 | Belvedere Trading LLC | $0 | 0 | Exited |
| 14 | WOODWARD DIVERSIFIED CAPITAL, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31