AAUB vs SPY
Alpha Architect US Equity 4 ETF vs State Street SPDR S&P 500 ETF Trust
Quick Verdict
SPY has a lower expense ratio. AAUB offers more diversification with 1,403 holdings.
Side-by-Side Comparison
| Metric | AAUB | SPY | Winner |
|---|---|---|---|
| Expense Ratio | 0.10% | 0.09% | |
| AUM | $868M | $821.1B | |
| Dividend Yield | 0.00% | 1.01% | |
| Holdings | 1,403 | 505 | |
| YTD Return | +4.62% | +14.24% | |
| 1Y Return | - | +21.71% | |
| 3Y Return (annualized) | - | +22.10% | |
| 5Y Return (annualized) | - | +13.21% | |
| Volatility (annualized) | - | 15.3% | |
| Max Drawdown | -2.8% | -56.5% | |
| Fund Family | Alpha Architect | State Street Investment Management | |
| Category | Equity | Equity | |
| Inception | Jul 23, 2026 | Jan 22, 1993 |
AAUB vs SPY Performance
Alpha Architect US Equity 4 ETF (AAUB) is a ETF from Alpha Architect and State Street SPDR S&P 500 ETF Trust (SPY) is a ETF from State Street Investment Management. Year to date, AAUB is up 4.62% versus a gain of 14.24% for SPY.
Risk: Volatility and Drawdowns
The deepest peak-to-trough decline in our data was -2.8% for AAUB and -56.5% for SPY. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
Fees and Cost Over Time
AAUB charges 0.10% per year while SPY charges 0.09%. On a $10,000 position that is $10 vs $9 annually, a gap of $1 per year that compounds over a long holding period. On income, AAUB currently yields 0.00% against 1.01% for SPY.
Holdings Overlap
AAUB and SPY share 458 holdings out of 1449 unique holdings combined, representing a 61.1% weight overlap.
High overlap means holding both may not provide much additional diversification.
Frequently Asked Questions
Which is cheaper, AAUB or SPY?
AAUB has an expense ratio of 0.10% while SPY charges 0.09%. SPY is the cheaper option. On a $10,000 investment, that is $1 per year of difference.
What is the holdings overlap between AAUB and SPY?
AAUB and SPY share 458 common holdings with a 61.1% weight overlap. Combined, they hold 1449 unique securities.
Which pays a higher dividend, AAUB or SPY?
AAUB yields 0.00% while SPY yields 1.01%, so SPY currently pays the higher dividend yield.
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