RUSC vs SEIS
Russell Investments US Small Cap Equity ETF vs SEI Select Small Cap ETF
Which is better, RUSC or SEIS?
Nearly the same fund. SEIS costs less.
SEIS has a lower expense ratio. RUSC led over 1Y and the full window. The two have moved almost in lockstep, correlation 0.97. RUSC is less concentrated, with 5.2% of the fund in its ten largest positions against 10.5%.
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 | RUSC | SEIS |
|---|---|---|
| Expense Ratio | 0.64% | 0.55%Best |
| AUM | $81M | $607M |
| Dividend Yield | 0.33% | 0.35% |
| Holdings | 491 | 767 |
| YTD Return | +13.09%Best | +10.36% |
| 1Y Return | +17.59%Best | +11.88% |
| Volatility (annualized) | 15.3%Best | 15.9% |
| Max Drawdown | -9.8%Best | -11.2% |
| $10,000 over 1.4 years | $13,328Best | $12,626 |
| Top 10 Weight | 5.2%Best | 10.5% |
| Fund Family | Russell Investments | SEI EXCHANGE TRADED FUNDS |
| Category | Equity | Equity |
| Style | Small Cap Blend | Small Cap Blend |
| Inception | May 13, 2025 | Oct 8, 2024 |
Not shown on this pair: 3Y Return (annualized), 5Y Return (annualized).
Volatility and max drawdown, and the $10,000 over 1.4 years row, are measured over the window both funds cover: May 14, 2025 to Oct 14, 2026 (1.4 years).
RUSC vs SEIS 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 1.4 years both funds cover.
RUSC vs SEIS Performance
Russell Investments US Small Cap Equity ETF (RUSC) is an ETF from Russell Investments and SEI Select Small Cap ETF (SEIS) is an ETF from SEI EXCHANGE TRADED FUNDS. Over the past year RUSC returned +17.59% while SEIS returned +11.88%. Year to date, RUSC is up 13.09% versus a gain of 10.36% for SEIS.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
SEIS has been the more volatile fund, with annualized monthly volatility of 15.9% compared with 15.3% for RUSC. 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 -9.8% for RUSC and -11.2% for SEIS. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.97. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
RUSC charges 0.64% per year while SEIS charges 0.55%. On a $10,000 position that is $64 vs $55 annually, a gap of $9 per year that compounds over a long holding period. On income, RUSC currently yields 0.33% against 0.35% for SEIS.
Holdings Overlap
20.3% of RUSC's money is in holdings SEIS also owns. 25.2% of SEIS's money is in holdings RUSC also owns.
SEIS and RUSC share little of their money.
85 positions in common, counted across the 489 positions we hold weights for in RUSC and 369 in SEIS, against full books of 491 and 767.
What only one of them owns
Our book lists 266 positions for SEIS that do not appear in our book for RUSC (70.1% of the fund), and 296 for RUSC that do not appear in SEIS (58.1%).
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 RUSC | Weight in SEIS | Difference |
|---|---|---|---|
| CNOCno Financial Group Inc | 0.22% | 1.27% | 1.05% |
| CDNACaredx Inc | 0.52% | 0.90% | 0.38% |
| JXNJackson Financial Inc USD | 0.38% | 1.01% | 0.63% |
| DIODDiodes Inc 0.00000000 | 0.24% | 0.88% | 0.64% |
| ENVAEnova International Inc. (usd) | 0.02% | 1.00% | 0.98% |
| VIAVViavi Solutions Inc | 0.18% | 0.83% | 0.65% |
| WTWisdomtree Investments Inc | 0.22% | 0.74% | 0.52% |
| YOUClear Secure Inc -Class A | 0.20% | 0.71% | 0.51% |
| BFHBread Financial Holdings, Inc. | 0.28% | 0.62% | 0.34% |
| BTSGBrightspring Health | 0.19% | 0.65% | 0.46% |
25.2% of SEIS is already inside RUSC.
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, RUSC or SEIS?
RUSC has an expense ratio of 0.64% while SEIS charges 0.55%. SEIS is the cheaper option, by $9 a year on a $10,000 investment.
Which performed better, RUSC or SEIS?
Over the past year RUSC returned +17.59% vs +11.88% for SEIS, so RUSC leads on 1-year performance. Over the longest common window we track (1 years), RUSC annualized +22.78% vs +18.12% for SEIS. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, RUSC or SEIS?
SEIS has been the more volatile fund at 15.9% annualized versus 15.3% for RUSC. Worst drawdown: RUSC -9.8% vs SEIS -11.2%.
Should I hold both RUSC and SEIS?
RUSC and SEIS have a monthly-return correlation of 0.97, so they move almost identically. What is left to separate them is the fee and the index each one tracks. This is information, not a recommendation.
What is the holdings overlap between RUSC and SEIS?
25.2% of SEIS's money is in holdings RUSC also owns. 25.2% of SEIS's is in holdings RUSC also owns. They hold 85 positions in common, counted across the 489 positions we hold weights for in RUSC and 369 in SEIS.
Which pays a higher dividend, RUSC or SEIS?
RUSC yields 0.33% while SEIS yields 0.35%, so SEIS currently pays the higher dividend yield.
Is SEIS better than RUSC?
SEIS has a lower expense ratio. RUSC led over 1Y and the full window. The two have moved almost in lockstep, correlation 0.97. RUSC is less concentrated, with 5.2% of the fund in its ten largest positions against 10.5%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.