Government Mortgage-Backed Bond ETFs
14 government mortgage-backed bond ETFs ranked by assets under management. Updated October 12, 2026.
Total assets
$75.7B
MetaCap lists 14 US-listed ETFs in the Government Mortgage-Backed Bond category, holding a combined $75.7B in assets. The largest by assets are MBB ($36.2B), VMBS ($17.1B) and SPMB ($6.8B). Expense ratios range from 0.03% to 0.71% (median 0.21%); VMBS is the lowest-cost fund shown at 0.03% a year. On the latest trading day, 9 of 14 funds were higher, with an average move of +0.08%.
Summary generated from market data by MetaCap's automated system. Methodology
Largest government mortgage-backed bond ETFs by assets
| # | Symbol | Fund Name | Price | % Change | AUM |
|---|---|---|---|---|---|
| 1 | MBB | iShares MBS ETF | 89.79 | +0.07% | $36.25B |
| 2 | VMBS | Vanguard Mortgage-Backed Securities ETF | 44.53 | +0.23% | $17.10B |
| 3 | SPMB | State Street SPDR Portfolio Mortgage Backed Bond ETF | 21.19 | +0.14% | $6.82B |
| 4 | JMBS | Janus Henderson Mortgage-Backed Securities ETF | 42.48 | +0.05% | $6.29B |
| 5 | SMBS | Schwab Mortgage-Backed Securities ETF | 24.09 | 0.00% | $6.10B |
| 6 | PMBS | PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund | 46.28 | +0.12% | $1.35B |
| 7 | MBBA | iShares Mortgage-Backed Securities Active ETF | 46.98 | -0.13% | $699.62M |
| 8 | GNMA | iShares GNMA Bond ETF | 41.85 | +0.60% | $417.94M |
| 9 | MBSF | Regan Floating Rate MBS ETF | 25.47 | -0.04% | $241.62M |
| 10 | VETZ | Academy Veteran Bond ETF | 18.67 | +0.10% | $128.63M |
| 11 | OWNS | Quaker Investment Trust CCM Affordable Housing MBS ETF | 16.41 | +0.09% | $102.08M |
| 12 | MGOV | First Trust Intermediate Government Opportunities ETF | 19.13 | +0.10% | $97.35M |
| 13 | MBSD | Northern Trust Disciplined Duration MBS ETF | 19.85 | -0.07% | $86.33M |
| 14 | IMTG | Invesco Agency MBS ETF | 46.31 | -0.16% | $13.89M |
Frequently asked questions
- How many government mortgage-backed bond ETFs are there?
- MetaCap tracks 14 US-listed government mortgage-backed bond ETFs with about $75.7B in combined assets.
- What is the largest government mortgage-backed bond ETF?
- iShares MBS ETF (MBB) is the largest, with about $36.2B in assets under management.
- Which Government Mortgage-Backed Bond ETF has the lowest expense ratio?
- Among the funds shown, Vanguard Mortgage-Backed Securities ETF (VMBS) has the lowest expense ratio at 0.03% per year, or $3 a year on a $10,000 investment.
- What does AUM mean for an ETF?
- Assets under management (AUM) is the total market value of everything the fund holds. Larger ETFs tend to have tighter bid-ask spreads and more trading volume, but size alone does not make a fund a better investment.
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Prices as of Oct 12, 4:23 AM EDT. Market data is delayed at least 15 minutes and provided for informational purposes only. Not investment advice. Full disclaimer