EPAI vs SPY
Harbor AI Inflection Strategy ETF vs State Street SPDR S&P 500 ETF Trust
Which is better, EPAI or SPY?
Mid Cap Growth against Large Cap Blend.
SPY has a lower expense ratio. EPAI is less concentrated, with 36.5% of the fund in its ten largest positions against 37.8%.
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 | EPAI | SPY |
|---|---|---|
| Expense Ratio | 0.88% | 0.09%Best |
| AUM | $5M | $804.7B |
| Dividend Yield | 0.00% | 0.98% |
| Holdings | 38 | 505 |
| YTD Return | +31.69%Best | +13.82% |
| 1Y Return | - | +16.96% |
| 3Y Return (annualized) | - | +22.97% |
| 5Y Return (annualized) | - | +13.73% |
| Top 10 Weight | 36.5%Best | 37.8% |
| Fund Family | Harbor Funds | State Street Investment Management |
| Category | Equity | Equity |
| Style | Mid Cap Growth | Large Cap Blend |
| Inception | Dec 17, 2025 | Jan 22, 1993 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window.
EPAI 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.
EPAI vs SPY Performance
Harbor AI Inflection Strategy ETF (EPAI) is an ETF from Harbor Funds and State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management. Year to date, EPAI is up 31.69% versus a gain of 13.82% for SPY.
Past performance does not guarantee future results.
Fees and Cost Over Time
EPAI charges 0.88% per year while SPY charges 0.09%. On a $10,000 position that is $88 vs $9 annually, a gap of $79 per year that compounds over a long holding period. On income, EPAI currently yields 0.00% against 0.98% for SPY.
Holdings Overlap
57.9% of EPAI's money is in holdings SPY also owns. 3.3% of SPY's money is in holdings EPAI also owns.
The two portfolios partly overlap.
22 positions in common, counted across the 37 positions we hold weights for in EPAI and 504 in SPY, against full books of 38 and 505.
What only one of them owns
Our book lists 475 positions for SPY that do not appear in our book for EPAI (96.0% of the fund), and 12 for EPAI that do not appear in SPY (30.4%).
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.
Top Shared Holdings
| Stock | Weight in EPAI | Weight in SPY | Difference |
|---|---|---|---|
| AMATApplied Materials, Inc. | 4.23% | 0.53% | 3.70% |
| TERTeradyne Inc - Common | 4.28% | 0.08% | 4.20% |
| LRCXLrcx Uw Equity | 3.79% | 0.55% | 3.24% |
| VRTVertiv Holdings Co | 3.83% | 0.15% | 3.68% |
| GLWCorning Inc. | 2.93% | 0.17% | 2.76% |
| APHAmphenol Corp. Class A | 2.77% | 0.31% | 2.46% |
| MPWRMonolithic Power Systems Inc | 2.91% | 0.09% | 2.82% |
| JJacobs Engineering Group Inc. | 2.88% | 0.03% | 2.85% |
| ETNEaton Corp Plc | 2.66% | 0.23% | 2.43% |
| CRLCharles River Laboratories International Inc | 2.86% | 0.02% | 2.84% |
57.9% of EPAI 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, EPAI or SPY?
EPAI has an expense ratio of 0.88% while SPY charges 0.09%. SPY is the cheaper option, by $79 a year on a $10,000 investment.
What is the holdings overlap between EPAI and SPY?
57.9% of EPAI's money is in holdings SPY also owns. 3.3% of SPY's is in holdings EPAI also owns. They hold 22 positions in common, counted across the 37 positions we hold weights for in EPAI and 504 in SPY.
Which pays a higher dividend, EPAI or SPY?
EPAI yields 0.00% while SPY yields 0.98%, so SPY currently pays the higher dividend yield.
Is SPY better than EPAI?
SPY has a lower expense ratio. EPAI is less concentrated, with 36.5% of the fund in its ten largest positions against 37.8%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.