NUKX vs VOO
Nicholas Nuclear Income ETF vs Vanguard S&P 500 ETF
Which is better, NUKX or VOO?
Multi Alternative against Large Cap Blend.
VOO has a lower expense ratio. VOO is less concentrated, with 37.6% of the fund in its ten largest positions against 69.5%.
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 | NUKX | VOO |
|---|---|---|
| Expense Ratio | 1.07% | 0.03%Best |
| AUM | $8M | $1.0T |
| Dividend Yield | 7.42% | 1.04% |
| Holdings | 60 | 506 |
| YTD Return | -28.50% | +12.75%Best |
| 1Y Return | - | +15.60% |
| 3Y Return (annualized) | - | +22.95% |
| 5Y Return (annualized) | - | +13.55% |
| Top 10 Weight | 69.5% | 37.6%Best |
| Fund Family | XFunds | Vanguard (US) |
| Category | Alternative | Equity |
| Style | Multi Alternative | Large Cap Blend |
| Inception | Mar 3, 2026 | Sep 7, 2010 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window.
NUKX 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.
NUKX vs VOO Performance
Nicholas Nuclear Income ETF (NUKX) is an ETF from XFunds and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Year to date, NUKX is down 28.50% versus a gain of 12.75% for VOO.
Past performance does not guarantee future results.
Fees and Cost Over Time
NUKX charges 1.07% per year while VOO charges 0.03%. On a $10,000 position that is $107 vs $3 annually, a gap of $104 per year that compounds over a long holding period. On income, NUKX currently yields 7.42% against 1.04% for VOO.
Holdings Overlap
32.9% of NUKX's money is in holdings VOO also owns. 1.1% of VOO's money is in holdings NUKX also owns.
The two portfolios partly overlap.
The two holdings books were reported 46 days apart, NUKX as of Sep 15, 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.
6 positions in common, counted across the 17 positions we hold weights for in NUKX and 494 in VOO, against full books of 60 and 506.
What only one of them owns
Our book lists 481 positions for VOO that do not appear in our book for NUKX (98.0% of the fund), and 8 for NUKX that do not appear in VOO (51.4%).
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.
32.9% of NUKX 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.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, NUKX or VOO?
NUKX has an expense ratio of 1.07% while VOO charges 0.03%. VOO is the cheaper option, by $104 a year on a $10,000 investment.
What is the holdings overlap between NUKX and VOO?
32.9% of NUKX's money is in holdings VOO also owns. 1.1% of VOO's is in holdings NUKX also owns. They hold 6 positions in common, counted across the 17 positions we hold weights for in NUKX and 494 in VOO.
Which pays a higher dividend, NUKX or VOO?
NUKX yields 7.42% while VOO yields 1.04%, so NUKX currently pays the higher dividend yield.
Is VOO better than NUKX?
VOO has a lower expense ratio. VOO is less concentrated, with 37.6% of the fund in its ten largest positions against 69.5%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.