目前共有 21 家机构持有 AMS，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 |
|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | US$29.7万 | 0.00% |
| Corient Private Wealth LLC | US$23.3万 | 0.00% |
| VANGUARD CAPITAL MANAGEMENT LLC | US$22.3万 | 0.00% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | US$13.2万 | 0.00% |
| LPL Financial LLC | US$11.1万 | 0.00% |
| RENAISSANCE TECHNOLOGIES LLC | US$7.1万 | 0.00% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | US$6.1万 | 0.00% |
| DRW Securities, LLC | US$4.8万 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | US$4.7万 | 0.00% |
| JAMES INVESTMENT RESEARCH, INC. | US$4.3万 | 0.00% |
| CITADEL ADVISORS LLC | US$4.1万 | 0.00% |
| VANGUARD FIDUCIARY TRUST CO | US$4.0万 | 0.00% |
| NewEdge Advisors, LLC | US$3.0万 | 0.00% |
| STATE STREET CORP | US$1.8万 | 0.00% |
| Empowered Funds, LLC | US$1.7万 | 0.00% |
| MORGAN STANLEY | US$8494.0 | 0.00% |
| Tower Research Capital LLC (TRC) | US$4080.0 | 0.00% |
| UBS Group AG | US$290.0 | 0.00% |
| JONES FINANCIAL COMPANIES LLLP | US$181.0 | 0.00% |
| ROYAL BANK OF CANADA | US$0.0 | 0.00% |
| WELLS FARGO & COMPANY/MN | US$0.0 | 0.00% |