Data as of Oct 28, 2026.
IYW vs MUB: Differences, Returns & Fees
Over the year to Oct 28, 2026, IYW returned +23.2% to MUB's −0.4%; 0% of their weight is in the same names.
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Net assets on Oct 27, 2026: $25.0bn for iShares U.S. Technology ETF and $54.1bn for iShares National Muni Bond ETF.
Pair scorecard
MUB costs 0.32 points a year less; their one-year returns differ by 23.6 points; MUB is 2.2 times larger.
| Measure | IYW | MUB |
|---|---|---|
| Return | ||
| Total return, 1 year | +23.2% | −0.4% |
| Drawdown | ||
| Below its high | 5.5%, high on Oct 6, 2026 | |
| Benchmark | ||
| What it tracks | Russell 1000 Technology RIC 22 | ICE AMT-Free US National Municipal Index |
| Cost and size | ||
| Expense ratio | 0.37% | 0.05% |
| Net assets, as of Oct 27, 2026 | $25.0bn | $54.1bn |
| Holdings | ||
| Holdings in common | 0% | |
| In the S&P 500, by weight | 94% | |
| Top ten holdings, share of the fund | 65.1% | |
Holdings in common uses holdings dated Oct 27, 2026. Method
What they share
By the books each fund has filed, IYW and MUB hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
IYW and MUB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IYW
IYW tracks an index of U.S. Technology. Over the year to Oct 28, 2026 it returned +23.2% with distributions reinvested, against +13.1% for its benchmark, the Russell 1000 Index. The prospectus expense ratio is 0.37% a year. By its holdings published by its issuer for Oct 27, 2026, 94% of the fund by weight is stocks the S&P 500 also holds, across 150 positions, with the top ten at 65.1%. It sat 5.5% below its high of Oct 6, 2026 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. The prospectus expense ratio is 0.05% a year.
Questions people ask
- Which returned more over the last year, IYW or MUB?
- In the year to Oct 28, 2026, with distributions reinvested, IYW returned +23.2% and MUB −0.4%.
- Which is cheaper, IYW or MUB?
- MUB is cheaper, by 0.32 percentage points a year. That is about $32 on $10,000 held for a year. Fees come from each fund's prospectus.
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, IYW against MUB, data as of Oct 28, 2026. https://etfiq.com/compare/any/iyw-vs-mub
ETFIQ. (Oct 28, 2026). IYW against MUB. Retrieved from https://etfiq.com/compare/any/iyw-vs-mub
[IYW against MUB (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/iyw-vs-mub)
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