CGMM vs XMMO: Differences, Returns & Fees
CGMM and XMMO hold 4% of their weight in the same names, and CGMM returned +11.1% over the year. Net assets: $3.5bn on Oct 19, 2026 for Capital Group U.S. Small and Mid Cap ETF, and $6.8bn on Oct 20, 2026 for Invesco S&P MidCap Momentum ETF.
XMMO costs 0.17 points a year less; their one-year returns differ by 6.5 points; XMMO is 1.9 times larger.
| CGMM | XMMO | |
|---|---|---|
| Expense ratio | 0.51% | 0.34% |
| Net assets, as of Oct 19, 2026 | $3.5bn | $6.8bn |
| Total return, 1 year | +11.1% | +4.6% |
| What it tracks | No index, actively managed | S&P MidCap 400 Momentum Index |
| Holdings in common | 4% | |
| Top ten holdings, share of the fund | 18.7% | 29.4% |
| Below its high | 6.8%, high on Aug 13, 2026 | 19.0%, high on Jun 22, 2026 |
Holdings in common uses holdings dated May 31, 2026 and Oct 19, 2026.
What they hold in common
By the books each fund has filed, CGMM and XMMO hold 4% of their money in the same securities at the same weight. Holdings dated May 31, 2026 and Oct 19, 2026.
half
4% in common
On the same fields
CGMM and XMMO on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.
About CGMM
CGMM is actively managed and tracks no index. The prospectus expense ratio is 0.51% a year. By its holdings filed for May 31, 2026, 45% of the fund by weight is stocks the S&P 500 also holds, across 114 positions, with the top ten at 18.7%. It sat 6.8% below its high of Aug 13, 2026 on Oct 20, 2026.
Over the year to Oct 20, 2026 it returned +11.1% with distributions reinvested, against +15.0% for its benchmark, the Russell 3000 Index.
About XMMO
XMMO tracks an index. Over the year to Oct 20, 2026 it returned +4.6% with distributions reinvested. The prospectus expense ratio is 0.34% a year. By its holdings published by its issuer for Oct 19, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 79 positions, with the top ten at 29.4%. It sat 19.0% below its high of Jun 22, 2026 on Oct 20, 2026.
Questions people ask
- Which returned more over the last year, CGMM or XMMO?
- In the year to Oct 20, 2026, with distributions reinvested, CGMM returned +11.1% and XMMO +4.6%.
- Which is cheaper, CGMM or XMMO?
- XMMO is cheaper, by 0.17 percentage points a year. That is about $17 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, CGMM against XMMO, data as of Oct 20, 2026. https://etfiq.com/compare/any/cgmm-vs-xmmo
ETFIQ. (Oct 20, 2026). CGMM against XMMO. Retrieved from https://etfiq.com/compare/any/cgmm-vs-xmmo
[CGMM against XMMO (ETFIQ, Oct 20, 2026)](https://etfiq.com/compare/any/cgmm-vs-xmmo)
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