ITOT vs MGC: Differences, Returns & Fees
ITOT and MGC hold 75% of their weight in the same names, and MGC returned +18.0% over the year. Net assets: $98.1bn on Oct 9, 2026 for iShares Core S&P Total U.S. Stock Market ETF, and $10.3bn on Sep 30, 2026 for Vanguard Morningstar Mega Cap ETF.
ITOT costs 0.02 points a year less; their one-year returns differ by 1.2 points; ITOT is 9.3 times larger.
| ITOT | MGC | |
|---|---|---|
| Expense ratio | 0.03% | 0.05% |
| Net assets, as of Sep 30, 2026 | $95.9bn | $10.3bn |
| Total return, 1 year | +16.8% | +18.0% |
| What it tracks | S&P Total U.S. Stock Market | CRSP US Mega Cap Index |
| Holdings in common | 75% | |
| Top ten holdings, share of the fund | 34.8% | 45.4% |
Holdings in common uses holdings dated Aug 31, 2026 and Oct 9, 2026.
What they hold in common
By the books each fund has filed, ITOT and MGC hold 75% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Aug 31, 2026 and Oct 9, 2026.
half
75% in common
On the same fields
ITOT and MGC on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.
About ITOT
ITOT tracks the S&P Total U.S. Stock Market. Over the year to Oct 9, 2026 it returned +16.8% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer for Oct 9, 2026, 88% of the fund by weight is stocks the S&P 500 also holds, across 2,459 positions, with the top ten at 34.8%.
About MGC
MGC tracks an index. Over the year to Oct 9, 2026 it returned +18.0% with distributions reinvested. The prospectus expense ratio is 0.05% a year. By its holdings published by its issuer as of Aug 31, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 174 positions, with the top ten at 45.4%.
Questions people ask
- Which returned more over the last year, ITOT or MGC?
- In the year to Oct 9, 2026, with distributions reinvested, ITOT returned +16.8% and MGC +18.0%.
- Which is cheaper, ITOT or MGC?
- ITOT is cheaper, by 0.02 percentage points a year. That is about $2 on $10,000 held for a year. Fees come from each fund's prospectus.
ETFIQ links to the documents behind every figure; a link is not an endorsement. 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, ITOT against MGC, data as of Oct 9, 2026. https://etfiq.com/compare/any/itot-vs-mgc
ETFIQ. (Oct 9, 2026). ITOT against MGC. Retrieved from https://etfiq.com/compare/any/itot-vs-mgc
[ITOT against MGC (ETFIQ, Oct 9, 2026)](https://etfiq.com/compare/any/itot-vs-mgc)
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