目前共有 12 家機構持有 OCTB，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 |
|---|---|---|
| KFG WEALTH MANAGEMENT, LLC | US$1539.6萬 | 1.99% |
| Uniting Wealth Partners, LLC | US$1266.2萬 | 2.70% |
| BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC | US$537.4萬 | 0.77% |
| Aptus Capital Advisors, LLC | US$136.1萬 | 0.01% |
| GUARDIAN WEALTH ADVISORS, LLC / NC | US$110.6萬 | 0.07% |
| Kovack Advisors, Inc. | US$87.0萬 | 0.05% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | US$29.0萬 | 0.00% |
| Cyndeo Wealth Partners, LLC | US$25.1萬 | 0.01% |
| OLD MISSION CAPITAL LLC | US$23.8萬 | 0.00% |
| Prime Capital Investment Advisors, LLC | US$21.0萬 | 0.00% |
| Cornerstone Wealth Group, LLC | US$20.6萬 | 0.01% |
| UBS Group AG | US$3559.0 | 0.00% |