CGMM vs VOO
Capital Group US Small and Mid Cap ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. VOO delivered stronger 1-year returns. VOO offers more diversification with 509 holdings.
Side-by-Side Comparison
| Metric | CGMM | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.51% | 0.03% | |
| AUM | $3.5B | $997.4B | |
| Dividend Yield | 0.38% | 1.08% | |
| Holdings | 236 | 509 | |
| YTD Return | +13.38% | +12.68% | |
| 1Y Return | +20.68% | +21.87% | |
| 3Y Return (annualized) | - | +22.06% | |
| 5Y Return (annualized) | - | +12.95% | |
| Volatility (annualized) | 14.3% | 14.1% | |
| Max Drawdown | -21.0% | -34.3% | |
| Fund Family | Capital Group (US) | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | Jan 14, 2025 | Sep 7, 2010 |
CGMM vs VOO Performance
Capital Group US Small and Mid Cap ETF (CGMM) is a ETF from Capital Group (US) and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year CGMM returned +20.68% while VOO returned +21.87%. Year to date, CGMM is up 13.38% versus a gain of 12.68% for VOO.
Risk: Volatility and Drawdowns
CGMM has been the more volatile fund, with annualized monthly volatility of 14.3% compared with 14.1% for VOO. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -21.0% for CGMM and -34.3% for VOO. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.77. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
CGMM charges 0.51% per year while VOO charges 0.03%. On a $10,000 position that is $51 vs $3 annually, a gap of $48 per year that compounds over a long holding period. On income, CGMM currently yields 0.38% against 1.08% for VOO.
Holdings Overlap
CGMM and VOO share 51 holdings out of 570 unique holdings combined, representing a 4.0% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, CGMM or VOO?
CGMM has an expense ratio of 0.51% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $48 per year of difference.
Which performed better, CGMM or VOO?
Over the past year CGMM returned +20.68% vs +21.87% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (2 years), CGMM annualized +16.78% vs +13.47% for VOO. Past performance does not guarantee future results.
Which is riskier, CGMM or VOO?
CGMM has been the more volatile fund at 14.3% annualized versus 14.1% for VOO. Worst drawdown: CGMM -21.0% vs VOO -34.3%.
Should I hold both CGMM and VOO?
CGMM and VOO have a monthly-return correlation of 0.77, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between CGMM and VOO?
CGMM and VOO share 51 common holdings with a 4.0% weight overlap. Combined, they hold 570 unique securities.
Which pays a higher dividend, CGMM or VOO?
CGMM yields 0.38% while VOO yields 1.08%, so VOO currently pays the higher dividend yield.
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