目前共有 13 家機構持有 OLB，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 |
|---|---|---|
| GEODE CAPITAL MANAGEMENT, LLC | US$6.2萬 | 0.00% |
| Virtu Financial LLC | US$2.8萬 | 0.00% |
| Ground Swell Capital, LLC | US$1.6萬 | 0.03% |
| JANE STREET GROUP, LLC | US$1.1萬 | 0.00% |
| CITADEL ADVISORS LLC | US$9198.0 | 0.00% |
| UBS Group AG | US$6671.0 | 0.00% |
| VANGUARD CAPITAL MANAGEMENT LLC | US$3844.0 | 0.00% |
| IFP Advisors, Inc | US$2480.0 | 0.00% |
| Tower Research Capital LLC (TRC) | US$2464.0 | 0.00% |
| Marshall & Sterling Wealth Advisors Inc. | US$446.0 | 0.00% |
| MORGAN STANLEY | US$149.0 | 0.00% |
| SBI Securities Co., Ltd. | US$7.0 | 0.00% |
| Avalon Trust Co | US$0.0 | 0.00% |