Fund Evaluator:
iShares Mortgage-Backed Secs Act ETF (MBBA)
Follow This Fund
Fixed Income
Global Asset Class
Taxable Bond
Fund Group
Government Mortgage-Backed Bond
Category
$0.000
NAV (as of )
$0.00
Minimum Initial
0.25% D
Expense Ratio
$154 Mil
Assets
Open
Status
na
12b-1 Fee
4.11%
TTM Yield
0.00%
Max Load
2132%
Portfolio Turnover
Best Performing in Government Mortgage-Backed Bond Over the Last Year
| 5.4% | Fidelity Advisor Mortgage Securities Z (FIKUX) |
| 5.3% | Vanguard Mortgage-Backed Secs Idx Adm (VMBSX) |
| 5.2% | Fidelity Mortgage Securities (FMSFX) |
| 5.2% | Fidelity GNMA (FGMNX) |
| 5.0% | RBC BlueBay Access Cptl Community InvmIS (ACATX) |
Data as of 6/30/2026
0.3% B
1-Mo Return
0.9% A
3-Mo Return
1.3% B
YTD Return
5.7% A
1-Yr Return
4.7% B
3-Yr Return
0.4% F
5-Yr Return
1.01 B
Category Risk Index
0.50
Total Risk Index
Fund Details
Fund Family
BlackRock
Inception Date
5/18/1998
Share Class Type
Inst
Equity Investment Style
na
Bond Investment Style
na
Socially Responsible Fund
No
Index Fund
No
Benchmark Index
Bloomberg US Agg Bond TR USD: 100%
Additional Fund Details
iShares Mortgage-Backed Secs Act ETF Overview
MBBA Trailing NAV Total Returns Data as of 6/30/26
| Last Month |
Last Quarter |
Ann'l. 1Yr |
Ann'l. 3Yr |
Ann'l. 5Yr |
Ann'l. 10Yr |
|
| MBBA Return (NAV) | 0.3% | 0.9% | 5.7% | 4.7% | 0.4% | 1.2% |
| MBBA Grade | B | A | A | B | F | F |
| +/- Category | 0.1% | 0.4% | 1.5% | 0.6% | -0.0% | 0.1% |
| Government Mortgage-Backed Bond Avg | 0.2% | 0.4% | 4.2% | 4.2% | 0.4% | 1.1% |
| MBBA Tax Cost Ratio | na | na | 1.7% | 1.6% | 1.4% | 1.4% |
MBBA Annual NAV Total ReturnsData as of 6/30/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| MBBA Return (NAV) | 1.3% | 8.5% | 1.3% | 5.2% | -12.5% | -1.1% | 4.2% | 6.5% | 0.5% | 1.2% | 1.6% |
| MBBA Grade | B | B | F | B | F | B | C | A | F | F | A |
| +/- Category | 0.5% | 0.8% | 0.1% | 0.7% | -2.1% | 0.3% | -0.2% | 1.3% | 0.0% | -0.1% | 0.3% |
| Government Mortgage-Backed Bond Avg | 0.8% | 7.6% | 1.2% | 4.4% | -10.5% | -1.4% | 4.4% | 5.2% | 0.5% | 1.3% | 1.4% |
| Risk Measures | |
| Standard Deviation: | 6.1% |
| Total Risk Index: | 0.50 - Low |
| Category Risk Index: | 1.01 - Average |
| Category Risk Grade: | C (44% Rank) |
| Beta: | 1.10 |
| R-Squared: | 99% |
| Leveraged Fund: | No |
| Inverse Fund: | No |
| Portfolio Characteristics | |
| Equity Investment Style: | na |
| Bond Investment Style: | na |
| Yield: | 4.1% |
| Dividend Distribution: | Monthly |
| Cap Gains Distribution: | Annually |
| Total Assets: | $154 Mil |
| Fund Total Assets: | $ 154 Mil |
| Share Class Type: | Inst |
| Portfolio Turnover: | 2132% |
Management Team
| Number of Managers: 4 | |||
| Longest Tenure: 16.5 years | |||
| Average Tenure: 7.4 years | |||
| Managers (Year): Kraeger Matthew (2009), Mehta Siddharth (2017), Kramvis Nicholas (2024), Someck Daniel (2024) | |||
Portfolio Composition (as of 6/15/26)
| # of Holdings: | 522 |
| % in Top 10 Holdings: | 91.3% |
| Fund is Non-Diversified: | No |
| % in Foreign Issues: | 0.0% |
Portfolio Allocation |
|
| Domestic Stock: | 0.0% |
| Foreign Stock: | 0.0% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 133.9% |
| Foreign Bond: | 0.0% |
| Convertible Bond: | 0.0% |
| Other: | 3.9% |
| Cash: | -37.9% |
Purchase Information
| Fund Family: | BlackRock |
| Phone Number: | 800-441-7762 |
| Website: |
| Status: | Open |
| Inception Date: | May 18, 1998 |
| Min. Initial Purchase: | $ 0 |
| Min. Initial IRA Purchase: | $ 0 |
| True No-Load: | Yes |
| Front Load Maximum: | 0.00% |
| Deferred Charge Maximum: | 0.00% |
| Redemption Charge Maximum: | 0.00% |
| 12b-1 Fee: | na |
Expenses and Fees | |
| Expense Ratio (%): | 0.25% ( Rating : Below Avg ) |
| Category Average Expense Ratio (%): | 0.89% |
| Share Class: | iShares Mortgage-Backed Secs Act ETF |
| Min. Subsequent Purchase: | $ 0 |
| Min. Subsequent IRA Purchase: | $ 0 |
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