iShares MBS Bond ETF (MBB)
MBB is a passive ETF by iShares tracking the investment results of the Barclays Capital U.S. MBS Index. MBB launched on Mar 16, 2007 and has a 0.06% expense ratio.
ETF Info
US4642885887
464288588
Mar 16, 2007
North America (U.S.)
1x
Barclays Capital U.S. MBS Index
Expense Ratio
MBB has an expense ratio of 0.06%, which is considered low.
Share Price Chart
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Compare to other instruments
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Performance
Performance Chart
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Returns By Period
iShares MBS Bond ETF (MBB) returned 2.19% year-to-date (YTD) and 5.29% over the past 12 months. Over the past 10 years, MBB returned 0.94% annually, underperforming the S&P 500 benchmark at 10.87%.
MBB
2.19%
0.23%
2.29%
5.29%
-1.01%
0.94%
^GSPC (Benchmark)
1.30%
12.79%
1.49%
12.35%
15.37%
10.87%
Monthly Returns
The table below presents the monthly returns of MBB, with color gradation from worst to best to easily spot seasonal factors. Returns are adjusted for dividends.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 0.56% | 2.43% | 0.02% | 0.71% | -1.51% | 2.19% | |||||||
| 2024 | -0.30% | -1.70% | 0.88% | -2.82% | 1.96% | 1.21% | 2.64% | 1.74% | 0.93% | -2.78% | 1.51% | -1.76% | 1.32% |
| 2023 | 3.37% | -2.75% | 2.12% | 0.42% | -0.68% | -0.48% | -0.09% | -0.80% | -3.09% | -2.14% | 5.22% | 4.18% | 5.01% |
| 2022 | -1.40% | -1.16% | -2.43% | -3.57% | 1.24% | -1.53% | 3.16% | -3.54% | -5.09% | -1.14% | 4.27% | -0.83% | -11.74% |
| 2021 | 0.15% | -0.86% | -0.49% | 0.58% | -0.30% | -0.01% | 0.52% | -0.02% | -0.35% | -0.27% | -0.24% | -0.13% | -1.43% |
| 2020 | 0.74% | 0.83% | 1.08% | 0.81% | 0.18% | -0.16% | 0.29% | 0.05% | -0.08% | 0.07% | 0.05% | 0.16% | 4.08% |
| 2019 | 0.80% | -0.07% | 1.44% | -0.09% | 1.21% | 0.80% | 0.37% | 0.96% | 0.06% | 0.33% | 0.01% | 0.21% | 6.18% |
| 2018 | -1.15% | -0.66% | 0.45% | -0.55% | 0.73% | 0.11% | -0.17% | 0.62% | -0.62% | -0.60% | 0.93% | 1.77% | 0.82% |
| 2017 | 0.09% | 0.47% | 0.01% | 0.63% | 0.52% | -0.31% | 0.51% | 0.72% | -0.32% | 0.01% | -0.15% | 0.27% | 2.49% |
| 2016 | 1.40% | 0.38% | 0.22% | 0.11% | 0.12% | 0.74% | 0.31% | -0.02% | 0.31% | -0.27% | -1.88% | -0.12% | 1.27% |
| 2015 | 0.86% | -0.13% | 0.37% | 0.12% | -0.26% | -0.94% | 0.88% | -0.04% | 0.61% | 0.05% | -0.22% | -0.15% | 1.14% |
| 2014 | 1.87% | 0.35% | -0.44% | 0.88% | 1.27% | 0.21% | -0.49% | 0.96% | -0.22% | 1.03% | 0.62% | 0.18% | 6.38% |
Risk-Adjusted Performance
Risk-Adjusted Performance Rank
The current rank of MBB is 66, indicating average performance compared to other ETFs on our website. Here’s a breakdown of how it compares using common performance measures.
Risk-Adjusted Performance Indicators
The charts below present risk-adjusted performance metrics for iShares MBS Bond ETF (MBB) and compare them to a chosen benchmark (^GSPC). These indicators evaluate an investment's returns against its associated risks.
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Dividends
Dividend History
iShares MBS Bond ETF provided a 4.08% dividend yield over the last twelve months, with an annual payout of $3.77 per share. The fund has been increasing its distributions for 3 consecutive years.
| Period | TTM | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $3.77 | $3.61 | $3.20 | $2.14 | $1.13 | $2.31 | $2.99 | $2.76 | $2.37 | $2.75 | $2.86 | $1.88 |
Dividend yield | 4.08% | 3.94% | 3.40% | 2.31% | 1.05% | 2.10% | 2.77% | 2.64% | 2.23% | 2.58% | 2.66% | 1.72% |
Monthly Dividends
The table displays the monthly dividend distributions for iShares MBS Bond ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | $0.00 | $0.34 | $0.32 | $0.33 | $0.33 | $1.32 | |||||||
| 2024 | $0.00 | $0.30 | $0.29 | $0.28 | $0.28 | $0.30 | $0.31 | $0.31 | $0.32 | $0.31 | $0.31 | $0.60 | $3.61 |
| 2023 | $0.00 | $0.24 | $0.25 | $0.25 | $0.26 | $0.27 | $0.26 | $0.28 | $0.26 | $0.29 | $0.27 | $0.56 | $3.20 |
| 2022 | $0.00 | $0.17 | $0.14 | $0.14 | $0.15 | $0.16 | $0.15 | $0.18 | $0.20 | $0.20 | $0.20 | $0.47 | $2.14 |
| 2021 | $0.00 | $0.19 | $0.20 | $0.19 | $0.16 | $0.13 | $0.10 | $0.08 | $0.07 | $0.02 | $0.00 | $0.00 | $1.13 |
| 2020 | $0.00 | $0.26 | $0.24 | $0.23 | $0.22 | $0.20 | $0.20 | $0.20 | $0.19 | $0.19 | $0.19 | $0.20 | $2.31 |
| 2019 | $0.00 | $0.29 | $0.29 | $0.27 | $0.26 | $0.26 | $0.26 | $0.26 | $0.27 | $0.26 | $0.26 | $0.31 | $2.99 |
| 2018 | $0.00 | $0.25 | $0.25 | $0.25 | $0.25 | $0.25 | $0.23 | $0.21 | $0.23 | $0.22 | $0.25 | $0.36 | $2.76 |
| 2017 | $0.00 | $0.19 | $0.21 | $0.23 | $0.23 | $0.23 | $0.21 | $0.21 | $0.21 | $0.21 | $0.21 | $0.23 | $2.37 |
| 2016 | $0.00 | $0.19 | $0.19 | $0.20 | $0.18 | $0.19 | $0.19 | $0.17 | $0.18 | $0.16 | $0.17 | $0.93 | $2.75 |
| 2015 | $0.00 | $0.09 | $0.10 | $0.17 | $0.18 | $0.17 | $0.18 | $0.19 | $0.21 | $0.23 | $0.21 | $1.13 | $2.86 |
| 2014 | $0.15 | $0.16 | $0.15 | $0.15 | $0.13 | $0.13 | $0.14 | $0.11 | $0.12 | $0.11 | $0.53 | $1.88 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the iShares MBS Bond ETF. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the iShares MBS Bond ETF was 17.64%, occurring on Oct 19, 2023. The portfolio has not yet recovered.
The current iShares MBS Bond ETF drawdown is 5.66%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -17.64% | Feb 10, 2021 | 678 | Oct 19, 2023 | — | — | — |
| -4.81% | Sep 26, 2012 | 236 | Sep 5, 2013 | 164 | May 1, 2014 | 400 |
| -4.32% | Mar 10, 2020 | 3 | Mar 12, 2020 | 11 | Mar 27, 2020 | 14 |
| -3.82% | Sep 18, 2008 | 31 | Oct 30, 2008 | 18 | Nov 25, 2008 | 49 |
| -3.43% | Sep 28, 2016 | 56 | Dec 15, 2016 | 172 | Aug 23, 2017 | 228 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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