目前共有 9 家機構持有 MBBC，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 |
|---|---|---|
| MALTESE CAPITAL MANAGEMENT LLC | US$196.3萬 | 0.39% |
| ALLIANCEBERNSTEIN L.P. | US$186.3萬 | 0.00% |
| RAFFLES ASSOCIATES LP | US$145.7萬 | 1.26% |
| VANGUARD CAPITAL MANAGEMENT LLC | US$103.6萬 | 0.00% |
| Minerva Advisors LLC | US$79.8萬 | 0.52% |
| KLCM Advisors, Inc. | US$46.4萬 | 0.04% |
| STILWELL VALUE LLC | US$27.1萬 | 0.16% |
| VANGUARD FIDUCIARY TRUST CO | US$22.2萬 | 0.00% |
| Tower Research Capital LLC (TRC) | US$3058.0 | 0.00% |