SEIS vs SMLL
SEI Select Small Cap ETF vs Harbor Active Small Cap ETF
Which is better, SEIS or SMLL?
SEIS has been ahead.
SEIS has a lower expense ratio. SEIS led over 1Y and the full window. SEIS is less concentrated, with 10.5% of the fund in its ten largest positions against 36.3%.
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 | SEIS | SMLL |
|---|---|---|
| Expense Ratio | 0.55%Best | 0.80% |
| AUM | $607M | $12M |
| Dividend Yield | 0.35% | 1.63% |
| Holdings | 767 | 103 |
| YTD Return | +10.36%Best | +2.49% |
| 1Y Return | +11.88%Best | -0.71% |
| Volatility (annualized) | 18.4% | 18.0%Best |
| Max Drawdown | -25.7% | -23.6%Best |
| $10,000 over 2 years | $12,417Best | $10,384 |
| Top 10 Weight | 10.5%Best | 36.3% |
| Fund Family | SEI EXCHANGE TRADED FUNDS | Harbor Funds |
| Category | Equity | Equity |
| Style | Small Cap Blend | Small Cap Blend |
| Inception | Oct 8, 2024 | Aug 27, 2024 |
Not shown on this pair: 3Y Return (annualized), 5Y Return (annualized).
Volatility and max drawdown, and the $10,000 over 2 years row, are measured over the window both funds cover: Oct 10, 2024 to Oct 14, 2026 (2 years).
SEIS vs SMLL 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 covers the 2 years both funds cover.
SEIS vs SMLL Performance
SEI Select Small Cap ETF (SEIS) is an ETF from SEI EXCHANGE TRADED FUNDS and Harbor Active Small Cap ETF (SMLL) is an ETF from Harbor Funds. Over the past year SEIS returned +11.88% while SMLL returned -0.71%. Year to date, SEIS is up 10.36% versus a gain of 2.49% for SMLL.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
SEIS has been the more volatile fund, with annualized monthly volatility of 18.4% compared with 18.0% for SMLL. 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 -25.7% for SEIS and -23.6% for SMLL. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.85. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
SEIS charges 0.55% per year while SMLL charges 0.80%. On a $10,000 position that is $55 vs $80 annually, a gap of $25 per year that compounds over a long holding period. On income, SEIS currently yields 0.35% against 1.63% for SMLL.
Holdings Overlap
2.4% of SEIS's money is in holdings SMLL also owns. 14.0% of SMLL's money is in holdings SEIS also owns.
SMLL and SEIS share little of their money.
8 positions in common, counted across the 369 positions we hold weights for in SEIS and 51 in SMLL, against full books of 767 and 103.
What only one of them owns
Our book lists 43 positions for SMLL that do not appear in our book for SEIS (83.4% of the fund), and 340 for SEIS that do not appear in SMLL (91.9%).
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 SEIS | Weight in SMLL | Difference |
|---|---|---|---|
| POOLPool Corp. | 0.09% | 4.58% | 4.49% |
| CSGPCostar Group Inc. | 0.11% | 2.39% | 2.28% |
| FRSHFreshworks Inc-Cl A | 0.61% | 1.76% | 1.15% |
| ROLLRbc Bearings Inc | 0.59% | 1.11% | 0.52% |
| LYFTLyft Inc. Class A | 0.42% | 1.02% | 0.60% |
| KNSLKinsale Capital Group Inc | 0.15% | 1.18% | 1.03% |
| QTWOQ2 Holdings, Inc. | 0.21% | 1.05% | 0.84% |
| MCRIMonarch Casino & Resort Inc | 0.18% | 0.94% | 0.76% |
You are not choosing between two funds in isolation.
Whichever of SEIS and SMLL you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, SEIS or SMLL?
SEIS has an expense ratio of 0.55% while SMLL charges 0.80%. SEIS is the cheaper option, by $25 a year on a $10,000 investment.
Which performed better, SEIS or SMLL?
Over the past year SEIS returned +11.88% vs -0.71% for SMLL, so SEIS leads on 1-year performance. Over the longest common window we track (2 years), SEIS annualized +11.43% vs +1.90% for SMLL. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, SEIS or SMLL?
SEIS has been the more volatile fund at 18.4% annualized versus 18.0% for SMLL. Worst drawdown: SEIS -25.7% vs SMLL -23.6%.
Should I hold both SEIS and SMLL?
SEIS and SMLL have a monthly-return correlation of 0.85, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
What is the holdings overlap between SEIS and SMLL?
14.0% of SMLL's money is in holdings SEIS also owns. 14.0% of SMLL's is in holdings SEIS also owns. They hold 8 positions in common, counted across the 369 positions we hold weights for in SEIS and 51 in SMLL.
Which pays a higher dividend, SEIS or SMLL?
SEIS yields 0.35% while SMLL yields 1.63%, so SMLL currently pays the higher dividend yield.
Is SMLL better than SEIS?
SEIS has a lower expense ratio. SEIS led over 1Y and the full window. SEIS is less concentrated, with 10.5% of the fund in its ten largest positions against 36.3%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.