15 institutions reported holding $5.4M of GRANITESHARES ETF TR (MRAL) in SEC 13F filings for 2026-03-31. Largest institutional holders: JANE STREET GROUP, LLC ($3.6M), Sara-Bay Financial ($500,422), SBI Securities Co., Ltd. ($353,943), Optiver Holding B.V. ($202,071), HighTower Advisors, LLC ($193,398). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $3.6M | 1.3M | Added |
| 2 | Sara-Bay Financial | $500,422 | 174,363 | Added |
| 3 | SBI Securities Co., Ltd. | $353,943 | 123,325 | Added |
| 4 | Optiver Holding B.V. | $202,071 | 70,408 | Added |
| 5 | HighTower Advisors, LLC | $193,398 | 67,386 | Added |
| 6 | MIRAE ASSET SECURITIES (USA) INC. | $172,200 | 60,000 | New |
| 7 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $102,646 | 35,765 | New |
| 8 | CITADEL ADVISORS LLC | $92,127 | 32,100 | Trimmed |
| 9 | HUB Investment Partners, LLC | $71,750 | 25,000 | Trimmed |
| 10 | TWO SIGMA SECURITIES, LLC | $50,722 | 17,673 | New |
| 11 | XTX Topco Ltd | $37,709 | 13,139 | New |
| 12 | SIMPLEX TRADING, LLC | $7,272 | 2,534 | New |
| 13 | MORGAN STANLEY | $7,247 | 2,525 | New |
| 14 | Tower Research Capital LLC (TRC) | $1,294 | 451 | Trimmed |
| 15 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31