SIXG vs VOO
Defiance Connective Technologies ETF vs Vanguard S&P 500 ETF
Which is better, SIXG or VOO?
SIXG has been ahead.
VOO has a lower expense ratio. SIXG led over 1Y and the full window. SIXG is less concentrated, with 37.1% of the fund in its ten largest positions against 37.6%.
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 | SIXG | VOO |
|---|---|---|
| Expense Ratio | 0.30% | 0.03%Best |
| AUM | $706M | $997.4B |
| Dividend Yield | 0.53% | 1.04% |
| Holdings | 52 | 509 |
| Volatility (annualized) | 22.4% | 12.6%Best |
| Max Drawdown | -28.1% | -18.7%Best |
| $10,000 over 1.8 years | $18,803Best | $12,909 |
| Top 10 Weight | 37.1%Best | 37.6% |
| Fund Family | Defiance ETFs, LLC | Vanguard (US) |
| Category | Equity | Equity |
| Style | Large Cap Blend | Large Cap Blend |
| Inception | Mar 4, 2019 | Sep 7, 2010 |
Not shown on this pair: YTD Return, 1Y Return, 3Y Return (annualized), 5Y Return (annualized).
The two price series end 147 days apart, so a return over any period would be measuring two different stretches of market. Those rows are withheld. SIXG has data through Apr 29, 2026 and VOO through Sep 23, 2026.
Volatility and max drawdown, and the $10,000 over 1.8 years row, are measured over the window both funds cover: Jul 16, 2024 to Apr 29, 2026 (1.8 years).
Risk: Volatility and Drawdowns
SIXG has been the more volatile fund, with annualized monthly volatility of 22.4% compared with 12.6% 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 -28.1% for SIXG and -18.7% for VOO. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.83. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
SIXG charges 0.30% per year while VOO charges 0.03%. On a $10,000 position that is $30 vs $3 annually, a gap of $27 per year that compounds over a long holding period. On income, SIXG currently yields 0.53% against 1.04% for VOO.
Holdings Overlap
47.5% of SIXG's money is in holdings VOO also owns. 20.8% of VOO's money is in holdings SIXG also owns.
The two portfolios partly overlap.
The two holdings books were reported 182 days apart, SIXG as of Jan 30, 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.
21 positions in common, counted across the 51 positions we hold weights for in SIXG and 494 in VOO, against full books of 52 and 509.
What only one of them owns
Our book lists 466 positions for VOO that do not appear in our book for SIXG (78.4% of the fund), and 27 for SIXG that do not appear in VOO (47.1%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
Top Shared Holdings
| Stock | Weight in SIXG | Weight in VOO | Difference |
|---|---|---|---|
| AAPLApple, Inc | 5.36% | 7.05% | 1.69% |
| NVDANvidia Corp | 4.72% | 7.55% | 2.83% |
| AVGOBroadcom Inc | 4.04% | 2.86% | 1.18% |
| CSCOCisco Systems Inc. - Ordinary Shares | 4.10% | 0.71% | 3.39% |
| CIENCiena Corp | 3.12% | 0.08% | 3.04% |
| QCOMQualcomm Inc. | 2.59% | 0.24% | 2.35% |
| ANETArista Networks Inc Common Stock | 2.45% | 0.29% | 2.16% |
| ORCLOracle Corp - Common | 2.20% | 0.34% | 1.86% |
| MRVLMarvell Technology Group Ltd. | 2.10% | 0.26% | 1.84% |
| KEYSKeysight Technologies Inc. | 2.08% | 0.08% | 2.00% |
47.5% of SIXG is already inside VOO.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
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Frequently Asked Questions
Which is cheaper, SIXG or VOO?
SIXG has an expense ratio of 0.30% while VOO charges 0.03%. VOO is the cheaper option, by $27 a year on a $10,000 investment.
Which is riskier, SIXG or VOO?
SIXG has been the more volatile fund at 22.4% annualized versus 12.6% for VOO. Worst drawdown: SIXG -28.1% vs VOO -18.7%.
Should I hold both SIXG and VOO?
SIXG and VOO have a monthly-return correlation of 0.83, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
What is the holdings overlap between SIXG and VOO?
47.5% of SIXG's money is in holdings VOO also owns. 20.8% of VOO's is in holdings SIXG also owns. They hold 21 positions in common, counted across the 51 positions we hold weights for in SIXG and 494 in VOO.
Which pays a higher dividend, SIXG or VOO?
SIXG yields 0.53% while VOO yields 1.04%, so VOO currently pays the higher dividend yield.
Is VOO better than SIXG?
VOO has a lower expense ratio. SIXG led over 1Y and the full window. SIXG is less concentrated, with 37.1% of the fund in its ten largest positions against 37.6%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.