GNMA vs MBB
iShares GNMA Bond ETF compared with iShares MBS ETF on yield, payout growth, payment schedule, cost and risk.
Quick take
- MBB yields more today: 4.37% vs 4.32% (forward).
- Both pay every month.
- Over the last year MBB delivered the higher total return: +2.4% vs +2.2% (price change plus payouts).
- MBB is cheaper to own: 0.04% vs 0.10% expense ratio.
Generated from the latest data on both pages. Not a recommendation.
Side by side
| Metric | GNMA | MBB |
|---|---|---|
| Share price | $43.37 | $92.53 |
| TTM yield | 4.32% | 4.37% |
| Forward yield | 4.32% | 4.37% |
| Annual payout per share | $1.872 | $4.04 |
| Payment frequency | Monthly | Monthly |
| Next ex-date | Oct 1, 2026 (est.) | Oct 1, 2026 (est.) |
| Expense ratio | 0.10% | 0.04% |
| 1-year payout growth | — | — |
| 5-year payout CAGR | — | — |
| Consecutive years of increases | — | — |
| Payout consistency (last 12) | 98/100 | 99/100 |
| 1-year total return | +2.2% | +2.4% |
| 1-year price return | -2.0% | -1.9% |
| Size (market cap / AUM) | 434.8M | 39.6B |
| Years paying | 14.4 | 19.4 |
| Sector / category | Government Mortgage-Backed Bond | Government Mortgage-Backed Bond |
✓ marks the more favourable figure where one exists (higher yield, growth, streak, consistency, return and size; lower cost, payout ratio and risk).
$10,000 invested today
| GNMA | MBB | |
|---|---|---|
| Shares | 230.6 | 108.1 |
| Income per year | $432 | $437 |
| Income per month (avg) | $36 | $36 |
At forward yields, before taxes. Model GNMA · Model MBB
Next payments
| Ex-date | Pay date | Per share | Status |
|---|---|---|---|
| GNMA Oct 1, 2026 | Oct 4, 2026 | $0.156 | Est. |
| GNMA Oct 31, 2026 | Nov 3, 2026 | $0.156 | Est. |
| GNMA Nov 30, 2026 | Dec 3, 2026 | $0.156 | Est. |
| MBB Oct 1, 2026 | Oct 4, 2026 | $0.3367 | Est. |
| MBB Oct 31, 2026 | Nov 3, 2026 | $0.3367 | Est. |
| MBB Nov 30, 2026 | Dec 3, 2026 | $0.3367 | Est. |
Annual payouts per share
GNMAMBB
Regular payments only; the current year is year to date. Per-share amounts are not directly comparable when share prices differ, so read this chart for growth trends.
FAQ
Which has the higher dividend yield, GNMA or MBB?
MBB currently has the higher trailing yield: GNMA yields 4.32% and MBB yields 4.37%. Yield changes daily with price, so check the live figures above.
How often do GNMA and MBB pay?
GNMA pays every month and MBB pays every month. GNMA's next ex-date is Oct 1, 2026 and MBB's is Oct 1, 2026.
Is GNMA or MBB better for income?
It depends on what you are optimising for. GNMA and MBB differ in yield, growth, payment schedule and risk profile; the table above puts every metric side by side so you can weigh them for your own goals. This page is data, not advice.