Data as of Oct 28, 2026.
GOVT vs MUB: Differences, Returns & Fees
GOVT's duration was 5.5 years on Jul 31, 2026 and MUB's 7.0 on Aug 31, 2026; both charge 0.05%.
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askIQ about GOVT and MUBNet assets on Oct 27, 2026: $42.8bn for iShares U.S. Treasury Bond ETF and $54.1bn for iShares National Muni Bond ETF.
Pair scorecard
Both cost 0.05% a year; their one-year returns differ by 1.1 points; MUB is 1.3 times larger.
| Measure | GOVT | MUB |
|---|---|---|
| Return | ||
| Total return, 1 year | −1.5% | −0.4% |
| Drawdown | ||
| Below its high | 8.1%, high on Aug 4, 2020 | |
| Benchmark | ||
| What it tracks | ICE U.S. Treasury Core Bond Index | ICE AMT-Free US National Municipal Index |
| Cost and size | ||
| Expense ratio | 0.05% | 0.05% |
| Net assets, as of Oct 27, 2026 | $42.8bn | $54.1bn |
| Holdings | ||
| Holdings in common | 0% | |
Holdings in common uses holdings dated Jul 31, 2026 and Aug 31, 2026. Method
What they share
By the books each fund has filed, GOVT and MUB hold 0% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Aug 31, 2026.
half
0% in common
Only in one fund ↓
Side by side
GOVT and MUB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
GOVT
GOVT tracks an index of U.S. Treasury Bond. Over the year to Oct 28, 2026 it returned −1.5% with distributions reinvested. The prospectus expense ratio is 0.05% a year. It sat 8.1% below its high of Aug 4, 2020 on Oct 28, 2026.
MUB
MUB tracks an index of National Muni Bond. Over the year to Oct 28, 2026 it returned −0.4% with distributions reinvested.
Questions people ask
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, GOVT against MUB, data as of Oct 28, 2026. https://etfiq.com/compare/any/govt-vs-mub
ETFIQ. (Oct 28, 2026). GOVT against MUB. Retrieved from https://etfiq.com/compare/any/govt-vs-mub
[GOVT against MUB (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/govt-vs-mub)
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