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Data last updated: Oct 21, 2026
Dividend Yield: 4.50%
Dividend Frequency: monthly
Years of Dividend History: 20
The iShares MBS ETF dividend comes from a fund that invests at least 90% of its assets in fixed income securities tied to mortgage-backed securities, tracking an underlying index of those instruments. MBB currently yields 4.51%, placing it in high-yield territory for fixed income ETFs. The fund pays monthly, making it a natural fit for investors who want regular income rather than quarterly payouts. That monthly cadence, combined with a yield above 4%, positions MBB squarely for income-focused investors.
iShares MBS ETF dividend safety depends on the aggregate distributions generated by the fund's underlying mortgage-backed securities holdings, not on a corporate earnings stream, so payout ratio is not applicable (fund/ETF). The most data-supported pressure point is distribution variability: the history table shows at least one year-over-year decline exceeding 5%, which means the monthly income stream has moved materially in the past and can do so again as the composition or yield of the underlying index shifts.
iShares MBS ETF dividend history shows a CAGR of -0.7% per year from 2008 to 2025. Per-share distributions moved from $4.5467 at the start of the window to $4.0050 by 2025 (2026 data is a partial year and excluded from this calculation). The largest annual increase in the window was 52.2% in 2015, but that single spike does not offset the overall negative trend. Growth is effectively flat to slightly negative over the full period, which limits the appeal of MBB for investors seeking rising income over time.
| Period | CAGR | From | To |
|---|---|---|---|
| 3-Year | +23.2% | $2.14 (2022) | $4.00 (2025) |
| 5-Year | +11.6% | $2.31 (2020) | $4.00 (2025) |
| 10-Year | +3.4% | $2.86 (2015) | $4.00 (2025) |
MBB fits income-focused investors who want monthly cash flow from mortgage-backed securities and can accept that the distribution level is not on a reliable upward path. The yield is high (above 4%), which is the fund's primary draw. The trade-off is a long-run CAGR of -0.7%, meaning the per-share payout in 2025 is actually lower than it was in 2008. Four consecutive years of increases through 2025 show recent momentum, but the broader history includes meaningful declines. What an investor gets is a high current yield paid monthly; what they accept is a distribution that has historically moved in both directions.
| Payment Date | Amount per Share |
|---|---|
| 2026-10-01 | $0.3660 |
| 2026-09-01 | $0.3388 |
| 2026-08-03 | $0.3413 |
| 2026-07-01 | $0.3373 |
| 2026-06-01 | $0.3334 |
| 2026-05-01 | $0.3347 |
| 2026-04-01 | $0.3330 |
| 2026-03-02 | $0.3278 |
| 2026-02-02 | $0.3347 |
| 2025-12-19 | $0.3341 |
| Year | Total Dividends |
|---|---|
| 2026 | $3.0468 |
| 2025 | $4.0050 |
| 2024 | $3.6086 |
| 2023 | $3.1981 |
| 2022 | $2.1432 |
Project income from MBB with the MBB dividend calculator or track your full portfolio with the dividend tracker.