GMOC vs VOO
GMO Ultra-Short Income ETF vs Vanguard S&P 500 ETF
Which is better, GMOC or VOO?
Ultrashort Term Bond against Large Cap Blend.
VOO has a lower expense ratio. VOO led over 1Y.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | GMOC | VOO |
|---|---|---|
| Expense Ratio | 0.20% | 0.03%Best |
| AUM | $34M | $1.0T |
| Dividend Yield | 3.68% | 1.04% |
| Holdings | 116 | 506 |
| YTD Return | +3.02% | +13.59%Best |
| 1Y Return | +3.83% | +16.33%Best |
| 3Y Return (annualized) | - | +23.81% |
| 5Y Return (annualized) | - | +14.02% |
| Volatility (annualized) | 0.3%Best | 13.2% |
| Fund Family | GMO | Vanguard (US) |
| Category | Fixed Income | Equity |
| Style | Ultrashort Term Bond | Large Cap Blend |
| Inception | Oct 27, 2025 | Sep 7, 2010 |
Not shown on this pair: Max Drawdown, $10,000 over the window, Top 10 Weight.
GMOC vs VOO growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view is available from the range buttons; it is not the opening view here because over the whole period one of these two funds moves so much further than the other that its line would sit flat on the axis.
GMOC vs VOO Performance
GMO Ultra-Short Income ETF (GMOC) is an ETF from GMO and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Over the past year GMOC returned +3.83% while VOO returned +16.33%. Year to date, GMOC is up 3.02% versus a gain of 13.59% for VOO.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
VOO has been the more volatile fund, with annualized monthly volatility of 13.2% compared with 0.3% for GMOC. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The two funds' monthly returns correlate at 0.15. They move largely independently of each other.
Fees and Cost Over Time
GMOC charges 0.20% per year while VOO charges 0.03%. On a $10,000 position that is $20 vs $3 annually, a gap of $17 per year that compounds over a long holding period. On income, GMOC currently yields 3.68% against 1.04% for VOO.
Holdings Overlap
We hold position weights for 19 holdings in GMOC and 494 in VOO, totalling 27.7% and 99.5% of the two funds. The two books name no position in common, so there is no overlap percentage to show.
The two holdings books were reported 47 days apart, GMOC as of Sep 16, 2026 and VOO as of Jul 31, 2026, so some of the difference between them is the time between the two reports rather than the funds.
0 positions in common, counted across the 19 positions we hold weights for in GMOC and 494 in VOO, against full books of 116 and 506.
You are not choosing between two funds in isolation.
Whichever of GMOC and VOO you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, GMOC or VOO?
GMOC has an expense ratio of 0.20% while VOO charges 0.03%. VOO is the cheaper option, by $17 a year on a $10,000 investment.
Which performed better, GMOC or VOO?
Over the past year GMOC returned +3.83% vs +16.33% for VOO, so VOO leads on 1-year performance. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, GMOC or VOO?
VOO has been the more volatile fund at 13.2% annualized versus 0.3% for GMOC.
Should I hold both GMOC and VOO?
GMOC and VOO have a monthly-return correlation of 0.15, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
Which pays a higher dividend, GMOC or VOO?
GMOC yields 3.68% while VOO yields 1.04%, so GMOC currently pays the higher dividend yield.
Is VOO better than GMOC?
VOO has a lower expense ratio. VOO led over 1Y. Which one suits a particular account depends on what it is for. This is information, not a recommendation.