IOO vs SCHX: Differences, Returns & Fees
IOO and SCHX hold 46% of their weight in the same names, and IOO returned +21.1% over the year. Net assets: $9.4bn on Oct 9, 2026 for iShares Global 100 ETF, and $72.6bn on May 31, 2026 for Schwab U.S. Large-Cap ETF.
SCHX costs 0.37 points a year less; their one-year returns differ by 4.5 points; SCHX is 8.0 times larger.
| IOO | SCHX | |
|---|---|---|
| Expense ratio | 0.40% | 0.03% |
| Net assets, as of Feb 28, 2025 | $6.5bn | $52.6bn |
| Total return, 1 year | +21.1% | +16.6% |
| What it tracks | S&P Global 100 | Dow Jones U.S. Large-Cap Total Stock Market Index |
| Holdings in common | 46% | |
| Top ten holdings, share of the fund | 59.9% | 37.3% |
Holdings in common uses holdings dated May 31, 2026 and Oct 9, 2026.
What they hold in common
By the books each fund has filed, IOO and SCHX hold 46% 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 May 31, 2026 and Oct 9, 2026.
half
46% in common
On the same fields
IOO and SCHX on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.
About IOO
IOO tracks an index. Over the year to Oct 9, 2026 it returned +21.1% with distributions reinvested. The prospectus expense ratio is 0.40% a year. By its holdings published by its issuer for Oct 9, 2026, 79% of the fund by weight is stocks the S&P 500 also holds, across 104 positions, with the top ten at 59.9%.
About SCHX
SCHX tracks an index of U.S. Large-Cap. Over the year to Oct 9, 2026 it returned +16.6% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings filed for May 31, 2026, 94% of the fund by weight is stocks the S&P 500 also holds, across 748 positions, with the top ten at 37.3%.
Questions people ask
- Which returned more over the last year, IOO or SCHX?
- In the year to Oct 9, 2026, with distributions reinvested, IOO returned +21.1% and SCHX +16.6%.
- Which is cheaper, IOO or SCHX?
- SCHX is cheaper, by 0.37 percentage points a year. That is about $37 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, IOO against SCHX, data as of Oct 9, 2026. https://etfiq.com/compare/any/ioo-vs-schx
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