目前共有 23 家機構持有 XBB，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 |
|---|---|---|
| Municipal Employees' Retirement System of Michigan | US$3.0億 | 3.41% |
| ATWOOD & PALMER INC | US$2034.6萬 | 1.15% |
| Lido Advisors, LLC | US$921.9萬 | 0.03% |
| MGO ONE SEVEN LLC | US$889.6萬 | 0.18% |
| IFP Advisors, Inc | US$290.9萬 | 0.06% |
| SAGE RHINO CAPITAL LLC | US$213.5萬 | 0.40% |
| Teucrium Investment Advisors, LLC | US$130.1萬 | 1.01% |
| MML INVESTORS SERVICES, LLC | US$95.8萬 | 0.00% |
| Cetera Investment Advisers | US$89.3萬 | 0.00% |
| Stratos Investment Management, LLC | US$78.7萬 | 0.03% |
| CGN Advisors LLC | US$55.5萬 | 0.04% |
| ENVESTNET ASSET MANAGEMENT INC | US$55.0萬 | 0.00% |
| JANE STREET GROUP, LLC | US$26.6萬 | 0.00% |
| Kestra Advisory Services, LLC | US$23.2萬 | 0.00% |
| Dynamic Advisor Solutions LLC | US$20.3萬 | 0.01% |
| Crews Bank & Trust | US$5.1萬 | 0.01% |
| Archer Investment Corp | US$4.4萬 | 0.01% |
| Nemes Rush Group LLC | US$2.9萬 | 0.00% |
| Truvestments Capital LLC | US$1.5萬 | 0.00% |
| OSAIC HOLDINGS, INC. | US$1.3萬 | 0.00% |
| NATIONAL BANK OF CANADA /FI/ | US$4880.0 | 0.00% |
| AE Wealth Management LLC | US$3296.0 | 0.00% |
| MORGAN STANLEY | US$203.0 | 0.00% |