Español 
Deutsch 
Français 
MSCI World Index (MSC)
NASDAQ Composite (NASDAQ)
FTSE China A50 Index (FGI)
STOXX Europe 600 (SIX)
Nikkei 300 (OSA)
NIFTY 50 (NSE)
DAX Performance Index (XETRA)
FTSE 100 (FGI)
CAC 40 (EURONEXT)
iShares Mortgage-Backed Securities Active ETF (MBBA)
About this ETF
MBBA is an actively managed ETF that aims to maximize total return, consistent with income generation and prudent management. The fund invests primarily in mortgage-backed securities (MBS) and derivatives offering similar exposure or related market risks. Holdings may include Government National Mortgage Association (GNMA), Fannie Mae, Freddie Mac, other US government securities, and participation in to be announced (TBA) MBS transactions. The fund targets an average portfolio duration close (plus or minus one year) to its benchmark, the Bloomberg U.S. MBS Index. It may invest in residential/commercial MBS and other asset-backed securities, use options, futures, swaps, and interest rate transactions for exposure, risk mitigation, or return enhancement. As an actively managed ETF, the fund manager has full discretion to adjust…
Price
Top 10 holdings
| BLACKROCK LIQ FUND T-FD-IN | 15.55% |
| UMBS 30YR TBA(REG A) 2.50% 08/13/2026 (UM30) | 11.86% |
| UMBS 30YR TBA(REG A) 5.50% 08/13/2026 (UM30) | 11.85% |
| UMBS 30YR TBA(REG A) 2.00% 08/13/2026 (UM30) | 11.52% |
| FNMA 30YR UMBS 5.00% 05/01/2056 (FNMA6053) | 9.33% |
| GNMA2 30YR TBA(REG C) 2.00% 07/20/2026 (G230J) | 7.12% |
| UMBS 15YR TBA(REG B) 2.00% 08/18/2026 (UM15) | 4.36% |
| FHSTR_454 DA 4.00% 05/25/2027 (FHSTR_454-DA) | 3.56% |
| GNMA2 30YR TBA(REG C) 2.50% 07/20/2026 (G230J) | 3.39% |
| FNMA 30YR UMBS SUPER 3.00% 04/01/2052 (FNFS1538) | 2.80% |
Sector mix
Price chart
Returns
| 1 month | -0.55% |
| 3 months | -1.54% |
| 6 months | — |
| Year to date | — |
| 1 year | — |
| 3 years (ann.) | — |
| 5 years (ann.) | — |
| 10 years (ann.) | — |
Risk profile
| Volatility (1y, ann.) | — |
| Sharpe (1y) | — |
| Sharpe (3y) | — |
| Sortino (1y) | — |
| Max drawdown (1y) | — |
| Max drawdown (5y) | — |
| Max drawdown (full) | -4.17% |
| Beta vs S&P 500 (1y) | 0.15 |
| Correlation vs S&P 500 (1y) | 0.43 |
Technical outlook not available yet — this fund does not have enough price history for the statistical models.
Full holdings
| Constituent | ISIN | Market value | Weight |
|---|---|---|---|
| Loading… | |||
Sector breakdown
Geographic exposure
Cost vs. peers
Comparison universe: 1,710 funds of the same asset class.
Cost impact calculator
Dividend history
Distributing share class Income is paid out to shareholders.
| Ex-date | Payment | Amount |
|---|---|---|
| 2026-07-01 | 2026-07-07 | USD 0.1817 |
| 2026-06-01 | 2026-06-04 | USD 0.1995 |
| 2026-05-01 | 2026-05-06 | USD 0.2039 |
| 2026-04-01 | 2026-04-07 | USD 0.1959 |
| 2026-03-02 | 2026-03-05 | USD 0.3106 |
ESG profile
No ESG estimate available: none of the scored universe overlaps this portfolio (typical for bond, commodity or synthetic funds).
Scored coverage: 0.0% of the portfolio by weight.
Similar ETFs
| Fund | TER | AUM (USD) | Yield (TTM) | Return 1y | Sharpe 1y |
|---|---|---|---|---|---|
| Vanguard Total Bond Market ETF BND | 0.03% | 394.40B | 4.01% | -0.82% | -0.19 |
| iShares Core U.S. Aggregate Bond ETF AGG | 0.03% | 138.36B | 4.03% | -0.76% | -0.17 |
| Vanguard Total International Bond ETF BNDX | 0.07% | 122.00B | 4.52% | -2.72% | -0.64 |
| iShares 0-3 Month Treasury Bond ETF SGOV | 0.09% | 97.69B | 3.80% | +0.05% | 0.05 |
| Vanguard Short-Term Inflation-Protected Securities ETF VTIP | 0.03% | 70.50B | 4.16% | -0.54% | -0.18 |
| Vanguard Short-Term Bond ETF BSV | 0.03% | 70.40B | 4.02% | -1.02% | -0.48 |
| Vanguard Intermediate-Term Corporate Bond ETF VCIT | 0.03% | 68.70B | 4.86% | -1.04% | -0.22 |
| Vanguard Intermediate-Term Bond ETF BIV | 0.03% | 52.20B | 4.27% | -1.28% | -0.28 |
| Vanguard Short-Term Corporate Bond ETF VCSH | 0.03% | 50.50B | 4.47% | -0.85% | -0.36 |
| Vanguard Intermediate-Term Treasury ETF VGIT | 0.03% | 49.50B | 3.89% | -1.50% | -0.41 |
Cheaper alternatives
No fund of the class reaches 60% portfolio overlap — showing the cheapest funds of the class instead.
| Fund | TER | AUM (USD) | Overlap |
|---|---|---|---|
| Vanguard Short-Term Corporate Bond ETF VCSH | 0.03% | 50.50B | 0.0% |
| Vanguard Total Bond Market ETF BND | 0.03% | 394.40B | 0.0% |
| iShares Core U.S. Aggregate Bond ETF AGG | 0.03% | 138.36B | 0.0% |
| Vanguard Short-Term Inflation-Protected Securities ETF VTIP | 0.03% | 70.50B | 0.0% |
| Vanguard Short-Term Bond ETF BSV | 0.03% | 70.40B | 0.0% |
