SEIM vs SPY
SEI QiM US Large Cap Momentum Active ETF vs State Street SPDR S&P 500 ETF Trust
Quick Verdict
SPY has a lower expense ratio. SEIM delivered stronger 1-year returns. SPY offers more diversification with 505 holdings.
Side-by-Side Comparison
| Metric | SEIM | SPY | Winner |
|---|---|---|---|
| Expense Ratio | 0.15% | 0.09% | |
| AUM | $1.4B | $789.1B | |
| Dividend Yield | 0.40% | 1.01% | |
| Holdings | 69 | 505 | |
| YTD Return | +19.61% | +14.47% | |
| 1Y Return | +27.76% | +21.96% | |
| 3Y Return (annualized) | +29.07% | +21.70% | |
| 5Y Return (annualized) | - | +13.30% | |
| Volatility (annualized) | 18.2% | 15.3% | |
| Max Drawdown | -22.2% | -56.5% | |
| Fund Family | SEI EXCHANGE TRADED FUNDS | State Street Investment Management | |
| Category | Equity | Equity | |
| Inception | May 18, 2022 | Jan 22, 1993 |
SEIM vs SPY Performance
SEI QiM US Large Cap Momentum Active ETF (SEIM) is a ETF from SEI EXCHANGE TRADED FUNDS and State Street SPDR S&P 500 ETF Trust (SPY) is a ETF from State Street Investment Management. Over the past year SEIM returned +27.76% while SPY returned +21.96%. Year to date, SEIM is up 19.61% versus a gain of 14.47% for SPY.
Over three years, SEIM compounded at +29.07% per year against +21.70% for SPY. Across the full 4-year window we track, SEIM has the edge at +21.62% annualized vs +8.87%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
SEIM has been the more volatile fund, with annualized monthly volatility of 18.2% compared with 15.3% for SPY. 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 -22.2% for SEIM and -56.5% for SPY. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.92. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
SEIM charges 0.15% per year while SPY charges 0.09%. On a $10,000 position that is $15 vs $9 annually, a gap of $6 per year that compounds over a long holding period. On income, SEIM currently yields 0.40% against 1.01% for SPY.
Holdings Overlap
SEIM and SPY share 58 holdings out of 519 unique holdings combined, representing a 30.2% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, SEIM or SPY?
SEIM has an expense ratio of 0.15% while SPY charges 0.09%. SPY is the cheaper option. On a $10,000 investment, that is $6 per year of difference.
Which performed better, SEIM or SPY?
Over the past year SEIM returned +27.76% vs +21.96% for SPY, so SEIM leads on 1-year performance. Over the longest common window we track (4 years), SEIM annualized +21.62% vs +8.87% for SPY. Past performance does not guarantee future results.
Which is riskier, SEIM or SPY?
SEIM has been the more volatile fund at 18.2% annualized versus 15.3% for SPY. Worst drawdown: SEIM -22.2% vs SPY -56.5%.
Should I hold both SEIM and SPY?
SEIM and SPY have a monthly-return correlation of 0.92, so they move almost identically. Holding both adds little diversification - most investors pick one, usually on fees or the specific index tracked.
What is the holdings overlap between SEIM and SPY?
SEIM and SPY share 58 common holdings with a 30.2% weight overlap. Combined, they hold 519 unique securities.
Which pays a higher dividend, SEIM or SPY?
SEIM yields 0.40% while SPY yields 1.01%, so SPY currently pays the higher dividend yield.
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