ACWX vs IDMO: Differences, Returns & Fees
ACWX and IDMO hold 21% of their weight in the same names, and ACWX returned +18.2% over the year. Net assets on Oct 9, 2026: $17.6bn for iShares MSCI ACWI ex U.S. ETF and $4.3bn for Invesco S&P International Developed Momentum ETF.
IDMO costs 0.07 points a year less; their one-year returns differ by 1.3 points; ACWX is 4.1 times larger.
| ACWX | IDMO | |
|---|---|---|
| Expense ratio | 0.32% | 0.25% |
| Net assets | $17.6bn | $4.3bn |
| Total return, 1 year | +18.2% | +16.9% |
| What it tracks | MSCI ACWI ex USA Index | not read by ETFIQ |
| Holdings in common | 21% | |
| Holdings dated | Oct 8, 2026 | Oct 10, 2026 |
| Top ten holdings, share of the fund | 16.6% | 36.3% |
| Below its high | 3.9%, high on Sep 4, 2026 | 4.8%, high on Aug 17, 2026 |
Holdings in common uses holdings dated Oct 8, 2026 and Oct 9, 2026.
What they hold in common
By the books each fund has filed, ACWX and IDMO hold 21% 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 Oct 8, 2026 and Oct 9, 2026.
half
21% in common
On the same fields
ACWX and IDMO on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.
ACWX in plain words
ACWX tracks the MSCI ACWI ex U.S.. Over the year to Oct 9, 2026 it returned +18.2% with distributions reinvested, against +17.3% for the S&P 500. The prospectus expense ratio is 0.32% a year. By its holdings published by its issuer for Oct 8, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1,908 positions, with the top ten at 16.6%. It sat 3.9% below its high of Sep 4, 2026 on Oct 9, 2026.
IDMO in plain words
IDMO tracks an index. Over the year to Oct 9, 2026 it returned +16.9% with distributions reinvested, against +17.3% for the S&P 500. The prospectus expense ratio is 0.25% a year. By its holdings published by its issuer for Oct 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 167 positions, with the top ten at 36.3%. It sat 4.8% below its high of Aug 17, 2026 on Oct 9, 2026.
Questions people ask
- Which returned more over the last year, ACWX or IDMO?
- In the year to Oct 9, 2026, with distributions reinvested, ACWX returned +18.2% and IDMO +16.9%.
- Which is cheaper, ACWX or IDMO?
- IDMO is cheaper, by 0.07 percentage points a year. That is about $7 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, ACWX against IDMO, data as of Oct 9, 2026. https://etfiq.com/compare/any/acwx-vs-idmo
ETFIQ. (Oct 9, 2026). ACWX against IDMO. Retrieved from https://etfiq.com/compare/any/acwx-vs-idmo
[ACWX against IDMO (ETFIQ, Oct 9, 2026)](https://etfiq.com/compare/any/acwx-vs-idmo)
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