目前共有 13 家機構持有 ROBN，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 |
|---|---|---|
| JANE STREET GROUP, LLC | US$1480.9萬 | 0.00% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | US$1150.3萬 | 0.00% |
| CITADEL ADVISORS LLC | US$288.3萬 | 0.00% |
| UBS Group AG | US$196.4萬 | 0.00% |
| Belvedere Trading LLC | US$42.4萬 | 0.00% |
| RENAISSANCE TECHNOLOGIES LLC | US$32.8萬 | 0.00% |
| SBI Securities Co., Ltd. | US$24.8萬 | 0.01% |
| StoneX Group Inc. | US$18.7萬 | 0.01% |
| SIMPLEX TRADING, LLC | US$12.4萬 | 0.00% |
| Optiver Holding B.V. | US$4.8萬 | 0.00% |
| Tower Research Capital LLC (TRC) | US$2.4萬 | 0.00% |
| OSAIC HOLDINGS, INC. | US$1.2萬 | 0.00% |
| PNC FINANCIAL SERVICES GROUP, INC. | US$4719.0 | 0.00% |