目前共有 22 家機構持有 NAII，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 |
|---|---|---|
| CALDWELL SUTTER CAPITAL, INC. | US$131.2萬 | 0.53% |
| DIMENSIONAL FUND ADVISORS LP | US$93.3萬 | 0.00% |
| Mink Brook Asset Management LLC | US$77.2萬 | 0.43% |
| RENAISSANCE TECHNOLOGIES LLC | US$76.6萬 | 0.00% |
| MORGAN STANLEY | US$70.5萬 | 0.00% |
| VANGUARD CAPITAL MANAGEMENT LLC | US$55.5萬 | 0.00% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | US$19.8萬 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | US$13.8萬 | 0.00% |
| CITADEL ADVISORS LLC | US$11.5萬 | 0.00% |
| VANGUARD FIDUCIARY TRUST CO | US$7.1萬 | 0.00% |
| Empowered Funds, LLC | US$6.6萬 | 0.00% |
| Integrated Wealth Concepts LLC | US$3.2萬 | 0.00% |
| STATE STREET CORP | US$3.1萬 | 0.00% |
| JAMES INVESTMENT RESEARCH, INC. | US$2.6萬 | 0.00% |
| NewEdge Advisors, LLC | US$1.0萬 | 0.00% |
| Vanguard Global Advisers, LLC | US$7414.0 | 0.00% |
| CITIGROUP INC | US$5236.0 | 0.00% |
| Tower Research Capital LLC (TRC) | US$2919.0 | 0.00% |
| GILL CAPITAL PARTNERS, LLC | US$18.0 | 0.00% |
| SBI Securities Co., Ltd. | US$13.0 | 0.00% |
| HUNTINGTON NATIONAL BANK | US$3.0 | 0.00% |
| ROYAL BANK OF CANADA | US$0.0 | 0.00% |