目前共有 14 家機構持有 NTRB，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 |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | US$61.7萬 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | US$24.7萬 | 0.00% |
| UBS Group AG | US$11.5萬 | 0.00% |
| VANGUARD FIDUCIARY TRUST CO | US$8.9萬 | 0.00% |
| STATE STREET CORP | US$8.8萬 | 0.00% |
| NORTHERN TRUST CORP | US$4.9萬 | 0.00% |
| Haven Private, LLC | US$4.0萬 | 0.02% |
| BlackRock, Inc. | US$3.4萬 | 0.00% |
| OSAIC HOLDINGS, INC. | US$1.7萬 | 0.00% |
| Vanguard Global Advisers, LLC | US$9531.0 | 0.00% |
| WELLS FARGO & COMPANY/MN | US$9178.0 | 0.00% |
| Tower Research Capital LLC (TRC) | US$3636.0 | 0.00% |
| JONES FINANCIAL COMPANIES LLLP | US$1799.0 | 0.00% |
| HARBOUR INVESTMENTS, INC. | US$11.0 | 0.00% |