AIX vs SPY
Defiance US 100 Tech AI Moat ETF vs State Street SPDR S&P 500 ETF Trust
Which is better, AIX or SPY?
Large Cap Growth against Large Cap Blend.
SPY has a lower expense ratio. SPY is less concentrated, with 37.8% of the fund in its ten largest positions against 51.9%.
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 | AIX | SPY |
|---|---|---|
| Expense Ratio | 0.65% | 0.09%Best |
| AUM | $230,285.51 | $804.7B |
| Dividend Yield | 0.00% | 0.98% |
| Holdings | 32 | 505 |
| YTD Return | -4.79% | +11.45%Best |
| 1Y Return | - | +15.87% |
| 3Y Return (annualized) | - | +20.93% |
| 5Y Return (annualized) | - | +12.59% |
| Top 10 Weight | 51.9% | 37.8%Best |
| Fund Family | Defiance ETFs, LLC | State Street Investment Management |
| Category | Equity | Equity |
| Style | Large Cap Growth | Large Cap Blend |
| Inception | Jun 24, 2026 | Jan 22, 1993 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window.
AIX vs SPY 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.
AIX vs SPY Performance
Defiance US 100 Tech AI Moat ETF (AIX) is an ETF from Defiance ETFs, LLC and State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management. Year to date, AIX is down 4.79% versus a gain of 11.45% for SPY.
Past performance does not guarantee future results.
Fees and Cost Over Time
AIX charges 0.65% per year while SPY charges 0.09%. On a $10,000 position that is $65 vs $9 annually, a gap of $56 per year that compounds over a long holding period. On income, AIX currently yields 0.00% against 0.98% for SPY.
Holdings Overlap
88.6% of AIX's money is in holdings SPY also owns. 40.3% of SPY's money is in holdings AIX also owns.
Most of AIX is already inside SPY. Owning both mostly buys the same companies twice.
26 positions in common, counted across the 31 positions we hold weights for in AIX and 504 in SPY, against full books of 32 and 505.
What only one of them owns
Our book lists 471 positions for SPY that do not appear in our book for AIX (59.0% of the fund), and 4 for AIX that do not appear in SPY (7.7%).
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 AIX | Weight in SPY | Difference |
|---|---|---|---|
| NVDANvidia Corp | 5.19% | 8.01% | 2.82% |
| AAPLApple, Inc | 5.15% | 7.26% | 2.11% |
| MSFTMicrosoft Corp | 6.08% | 5.66% | 0.42% |
| AMZNAmazon.Com Inc | 5.11% | 3.79% | 1.32% |
| GOOGLAlphabet Inc,class A | 4.50% | 2.99% | 1.51% |
| AVGOBroadcom Inc | 4.75% | 2.66% | 2.09% |
| PLTRPalantir Technologies Inc | 6.70% | 0.63% | 6.07% |
| METAMeta Platforms Inc | 4.65% | 1.93% | 2.72% |
| MUMicron Technology, Inc. | 4.92% | 1.60% | 3.32% |
| TSLATesla Inc | 4.56% | 1.52% | 3.04% |
88.6% of AIX is already inside SPY.
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, AIX or SPY?
AIX has an expense ratio of 0.65% while SPY charges 0.09%. SPY is the cheaper option, by $56 a year on a $10,000 investment.
What is the holdings overlap between AIX and SPY?
88.6% of AIX's money is in holdings SPY also owns. 40.3% of SPY's is in holdings AIX also owns. They hold 26 positions in common, counted across the 31 positions we hold weights for in AIX and 504 in SPY.
Which pays a higher dividend, AIX or SPY?
AIX yields 0.00% while SPY yields 0.98%, so SPY currently pays the higher dividend yield.
Is SPY better than AIX?
SPY has a lower expense ratio. SPY is less concentrated, with 37.8% of the fund in its ten largest positions against 51.9%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.