Data as of Oct 28, 2026.
MGK vs MUB: Differences, Returns & Fees
Over the year to Oct 28, 2026, MGK returned +7.8% to MUB's −0.4%; 0% of their weight is in the same names.
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askIQ about MGK and MUBNet assets: $34.9bn on Sep 30, 2026 for Vanguard Morningstar Mega Cap Growth ETF, and $54.1bn on Oct 27, 2026 for iShares National Muni Bond ETF.
Pair scorecard
Both cost 0.05% a year; their one-year returns differ by 8.2 points; MUB is 1.3 times larger.
| Measure | MGK | MUB |
|---|---|---|
| Return | ||
| Total return, 1 year | +7.8% | −0.4% |
| Drawdown | ||
| Below its high | 4.4%, high on Oct 6, 2026 | |
| Benchmark | ||
| What it tracks | Morningstar US Mega Cap Growth Index | ICE AMT-Free US National Municipal Index |
| Cost and size | ||
| Expense ratio | 0.05% | 0.05% |
| Net assets, as of Sep 30, 2026 | $34.9bn | $46.6bn |
| Holdings | ||
| Holdings in common | 0% | |
| In the S&P 500, by weight | 99% | |
| Top ten holdings, share of the fund | 64.5% | |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
What they share
By the books each fund has filed, MGK and MUB hold 0% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
MGK and MUB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
MGK
MGK tracks an index of Mega Cap Growth. Over the year to Oct 28, 2026 it returned +7.8% with distributions reinvested. The prospectus expense ratio is 0.05% a year. By its holdings published by its issuer as of Sep 30, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 54 positions, with the top ten at 64.5%. It sat 4.4% 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.
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, MGK against MUB, data as of Oct 28, 2026. https://etfiq.com/compare/any/mgk-vs-mub
ETFIQ. (Oct 28, 2026). MGK against MUB. Retrieved from https://etfiq.com/compare/any/mgk-vs-mub
[MGK against MUB (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/mgk-vs-mub)
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