CGMM vs IVOG: Differences, Returns & Fees
CGMM and IVOG hold 10% of their weight in the same names, and IVOG returned +15.0% over the year. Net assets: $3.5bn on Oct 19, 2026 for Capital Group U.S. Small and Mid Cap ETF, and $1.7bn on Sep 30, 2026 for Vanguard S&P Mid-Cap 400 Growth ETF.
IVOG costs 0.41 points a year less; their one-year returns differ by 3.9 points; CGMM is 2.0 times larger.
| CGMM | IVOG | |
|---|---|---|
| Expense ratio | 0.51% | 0.10% |
| Net assets, as of Sep 30, 2026 | $3.4bn | $1.7bn |
| Total return, 1 year | +11.1% | +15.0% |
| What it tracks | No index, actively managed | S&P MidCap 400 Growth Index |
| Holdings in common | 10% | |
| Top ten holdings, share of the fund | 18.7% | 14.7% |
| Below its high | 6.8%, high on Aug 13, 2026 | 8.1%, high on Aug 14, 2026 |
Holdings in common uses holdings dated May 31, 2026 and Sep 30, 2026.
What they hold in common
By the books each fund has filed, CGMM and IVOG hold 10% of their money in the same securities at the same weight. Holdings dated May 31, 2026 and Sep 30, 2026.
half
10% in common
On the same fields
CGMM and IVOG 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 IVOG
IVOG tracks an index. Over the year to Oct 20, 2026 it returned +15.0% with distributions reinvested, against +14.9% for its benchmark, the S&P MidCap 400 Growth Index. The prospectus expense ratio is 0.10% a year. By its holdings published by its issuer as of Sep 30, 2026, 3% of the fund by weight is stocks the S&P 500 also holds, across 249 positions, with the top ten at 14.7%. It sat 8.1% below its high of Aug 14, 2026 on Oct 20, 2026.
Questions people ask
- Which returned more over the last year, CGMM or IVOG?
- In the year to Oct 20, 2026, with distributions reinvested, CGMM returned +11.1% and IVOG +15.0%.
- Which is cheaper, CGMM or IVOG?
- IVOG is cheaper, by 0.41 percentage points a year. That is about $41 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 IVOG, data as of Oct 20, 2026. https://etfiq.com/compare/any/cgmm-vs-ivog
ETFIQ. (Oct 20, 2026). CGMM against IVOG. Retrieved from https://etfiq.com/compare/any/cgmm-vs-ivog
[CGMM against IVOG (ETFIQ, Oct 20, 2026)](https://etfiq.com/compare/any/cgmm-vs-ivog)
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