MBB vs MBSF
iShares MBS ETF compared with Regan Floating Rate MBS ETF on yield, payout growth, payment schedule, cost and risk.
MBB
iShares MBS ETF
TTM yield · Monthly
MBSF
Regan Floating Rate MBS ETF
TTM yield · Monthly
Quick take
- MBB yields more today: 4.46% vs 4.39% (forward).
- Both pay every month.
- Over the last year MBSF delivered the higher total return: +4.1% vs +0.2% (price change plus payouts).
- MBB is cheaper to own: 0.04% vs 0.49% expense ratio.
- MBB has the steadier distribution: consistency 97/100 vs 81/100.
Generated from the latest data on both pages. Not a recommendation.
Side by side
| Metric | MBB | MBSF |
|---|---|---|
| Share price | $91.29 | $25.51 |
| TTM yield | 4.46% | 3.97% |
| Forward yield | 4.46% | 4.39% |
| Annual payout per share | $4.07 | $1.12 |
| Payment frequency | Monthly | Monthly |
| Next ex-date | Oct 31, 2026 (est.) | Oct 26, 2026 (est.) |
| Expense ratio | 0.04% | 0.49% |
| 1-year payout growth | — | — |
| 5-year payout CAGR | — | — |
| Consecutive years of increases | — | — |
| Payout consistency (last 12) | 97/100 | 81/100 |
| 1-year total return | +0.2% | +4.1% |
| 1-year price return | -4.1% | +0.2% |
| Size (market cap / AUM) | 36.2B | 241.6M |
| Years paying | 19.6 | 2.6 |
| 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
| MBB | MBSF | |
|---|---|---|
| Shares | 109.5 | 391.9 |
| Income per year | $446 | $439 |
| Income per month (avg) | $37 | $37 |
At forward yields, before taxes. Model MBB · Model MBSF
Next payments
| Ex-date | Pay date | Per share | Status |
|---|---|---|---|
| MBB Oct 31, 2026 | Nov 3, 2026 | $0.3392 | Est. |
| MBB Nov 30, 2026 | Dec 3, 2026 | $0.3392 | Est. |
| MBB Dec 30, 2026 | Jan 2, 2027 | $0.3392 | Est. |
| MBSF Oct 26, 2026 | Nov 9, 2026 | $0.0933 | Est. |
| MBSF Nov 25, 2026 | Dec 9, 2026 | $0.0933 | Est. |
| MBSF Dec 25, 2026 | Jan 8, 2027 | $0.0933 | Est. |
Annual payouts per share
MBBMBSF
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, MBB or MBSF?
MBB currently has the higher trailing yield: MBB yields 4.46% and MBSF yields 3.97%. Yield changes daily with price, so check the live figures above.
How often do MBB and MBSF pay?
MBB pays every month and MBSF pays every month. MBB's next ex-date is Oct 31, 2026 and MBSF's is Oct 26, 2026.
Is MBB or MBSF better for income?
It depends on what you are optimising for. MBB and MBSF 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.