目前共有 15 家機構持有 UUU，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$14.7萬 | 0.00% |
| TWO SIGMA INVESTMENTS, LP | US$13.8萬 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | US$9.3萬 | 0.00% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | US$7.9萬 | 0.00% |
| VANGUARD FIDUCIARY TRUST CO | US$7.6萬 | 0.00% |
| MORGAN STANLEY | US$2.3萬 | 0.00% |
| JONES FINANCIAL COMPANIES LLLP | US$1.5萬 | 0.00% |
| CWM, LLC | US$1.1萬 | 0.00% |
| UBS Group AG | US$9928.0 | 0.00% |
| Tower Research Capital LLC (TRC) | US$4147.0 | 0.00% |
| Russell Investments Group, Ltd. | US$2448.0 | 0.00% |
| JPMORGAN CHASE & CO | US$1423.0 | 0.00% |
| SBI Securities Co., Ltd. | US$550.0 | 0.00% |
| HARBOUR INVESTMENTS, INC. | US$11.0 | 0.00% |
| ROYAL BANK OF CANADA | US$0.0 | 0.00% |