# MBBA holdings: 695 positions

> MBBA holds 695 positions as of Oct 13, 2026. The largest is Umbs 30YR Tba(reg A) at 12.57%. Download the full list as a CSV.

Data as of Oct 13, 2026. Rebuilt every trading night.

MBBA held 695 positions as of Oct 13, 2026. Umbs 30YR Tba(reg A) is the largest at 12.57%.

Source: iShares (BlackRock) (https://www.ishares.com/us/products/347352/x/latest-holdings.csv).

| # | Holding | Ticker | Weight |
| --- | --- | --- | --- |
| 1 | Umbs 30YR Tba(reg A) |  | 12.57% |
| 2 | Umbs 30YR Tba(reg A) |  | 6.16% |
| 3 | Fhlmc 30YR Umbs Super |  | 4.97% |
| 4 | GNMA2 30YR Tba(reg C) |  | 4.81% |
| 5 | Fnma 30YR Umbs |  | 4.70% |
| 6 | Umbs 15YR Tba(reg B) |  | 4.23% |
| 7 | Umbs 30YR Tba(reg A) |  | 3.59% |
| 8 | GNMA2 30YR Tba(reg C) |  | 2.99% |
| 9 | Fnma 30YR Umbs Super |  | 2.86% |
| 10 | Fnma 30YR Umbs |  | 2.82% |
| 11 | GNMA2 30YR Tba(reg C) |  | 2.63% |
| 12 | FHSTR_436 AB |  | 2.61% |
| 13 | Umbs 30YR Tba(reg A) |  | 2.40% |
| 14 | Umbs 30YR Tba(reg A) |  | 2.37% |
| 15 | GNMA2 30YR |  | 2.09% |
| 16 | Fhlmc 30YR Umbs |  | 1.93% |
| 17 | GNMA2 30YR Tba(reg C) |  | 1.92% |
| 18 | GNMA2 30YR Tba(reg C) |  | 1.88% |
| 19 | Fnma 30YR Umbs |  | 1.86% |
| 20 | Fhlmc 30YR Umbs Super |  | 1.86% |
| 21 | Fnma 30YR Umbs |  | 1.81% |
| 22 | Fnma 30YR Umbs Super |  | 1.67% |
| 23 | Fnma 30YR Umbs Super |  | 1.61% |
| 24 | Fhlmc 30YR Umbs Super |  | 1.60% |
| 25 | GNMA_22-208D Pa |  | 1.48% |
| | BLK Csh Fnd Treasury Sl Agency | | 12.98% |
| | Cash Collateral Usd Ubfut | | 0.36% |
| | Cash Collateral Usd Jpm | | 0.05% |
| | Cash Collateral Usd Xms | | 0.02% |
| | Cash Collateral Usd Hrnb | | −0.04% |
| | USD Cash | | −50.94% |
| | Cash and other net assets | | 0.12% |

The largest 25 of 695 positions are shown. All of them: https://etfiq.com/funds/mbba/holdings/mbba-holdings.csv (CSV) or https://etfiq.com/data/books/mbba.json (JSON).

Fund page: https://etfiq.com/funds/mbba

Cite: ETFIQ, Holdings of MBBA, data as of Oct 13, 2026. https://etfiq.com/funds/mbba/holdings/