目前共有 9 家机构持有 MARO，以下按持股市值由高至低排序。
| 主要持有机构 | 总市值 | 平均占比 |
|---|---|---|
| Tidal Investments LLC | US$1766.9万 | 0.04% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | US$23.4万 | 0.00% |
| JANE STREET GROUP, LLC | US$7.9万 | 0.00% |
| CITADEL ADVISORS LLC | US$7.7万 | 0.00% |
| Benchmark Financial, LLC | US$5.3万 | 0.05% |
| WINEBRENNER CAPITAL MANAGEMENT LLC | US$5.3万 | 0.03% |
| GROUP ONE TRADING LLC | US$3156.0 | 0.00% |
| HOLLENCREST CAPITAL MANAGEMENT | US$27.0 | 0.00% |
| WELLS FARGO & COMPANY/MN | US$8.0 | 0.00% |