目前共有 12 家機構持有 MAMO，以下依持股市值由高至低排序。
| 主要持有機構 | 總市值 | 平均佔比 |
|---|---|---|
| GEODE CAPITAL MANAGEMENT, LLC | US$12.2萬 | 0.00% |
| VANGUARD CAPITAL MANAGEMENT LLC | US$4.2萬 | 0.00% |
| VANGUARD FIDUCIARY TRUST CO | US$2.1萬 | 0.00% |
| UBS Group AG | US$1.5萬 | 0.00% |
| BlackRock, Inc. | US$1.4萬 | 0.00% |
| XTX Topco Ltd | US$1.3萬 | 0.00% |
| RENAISSANCE TECHNOLOGIES LLC | US$1.3萬 | 0.00% |
| NORTHERN TRUST CORP | US$1.0萬 | 0.00% |
| Tower Research Capital LLC (TRC) | US$9018.0 | 0.00% |
| Advisory Services Network, LLC | US$91.0 | 0.00% |
| SBI Securities Co., Ltd. | US$6.0 | 0.00% |
| ROYAL BANK OF CANADA | US$0.0 | 0.00% |