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SEISvsRUSCETF Comparison
SEI Select Small Cap ETF (SEIS) and Russell Investments U.S. Small Cap Equity Active ETF (RUSC) belong to the same industry segment: US Small Cap. SEIS's top 3 sector exposures are Financials, Industrials and Information Technology. In contrast, RUSC's top sector exposures are Industrials, Health Care and Financials. SEIS is less expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.69% for RUSC. SEIS is up 0.14% year-to-date (YTD) with +$35M in YTD flows. RUSC performs better with 4.19% YTD performance, and +$4M in YTD flows. Run a side-by-side ETF comparison of SEIS and RUSC below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
SEIS vs RUSC performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SEIS RUSC | -5.83%-4.90% | -3.58%+0.88% | +0.14%+4.19% | +20.11%n/a | n/an/a | n/an/a |
| Flows | SEIS RUSC | +$16M+$3M | +$45M+$4M | +$35M+$4M | +$157M- | -- | -- |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SEIS RUSC | +18.31%+16.75% | +22.74%n/a | n/an/a | n/an/a |
| Max drawdown | SEIS RUSC | -7.41%-5.47% | -14.92%n/a | n/an/a | n/an/a |
| Max drawdown duration | SEIS RUSC | 48d29d | 46dn/a | n/an/a | n/an/a |
SEIS | RUSC | |
Last sale 3/13/2026 at 1:30 PM | $27.28 | $31.51 |
| Previous close 03/12/2026 | $27.34 | $31.61 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
SEIS | RUSC | |
|---|---|---|
| Last price | $27.28 | $31.51 |
| 1D performance | -0.21% | -0.29% |
| AuM | $418.70 M | $50.01 M |
| E/R | 0.55% | 0.69% |
SEIS | RUSC | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | SEI | Russell Investment Management |
| Benchmark | - | - |
| N° of holdings | 307 | 426 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 9, 2024 | May 14, 2025 |
| ESG | No | No |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the SEIS and RUSC ETFs performed in 2026?
As of March 11, 2026, SEIS is up 0.14% year-to-date (YTD), while RUSC has returned 4.19%. That puts RUSC better performer ahead so far this year.
Which ETF is attracting more investor money: SEIS or RUSC?
Year-to-date, the SEIS ETF saw +$35M in flows, compared to +$4M for RUSC.
Which ETF is bigger: SEIS or RUSC?
As of March 11, 2026, SEIS holds $418.70 M in assets under management (AUM), while RUSC manages $50.01 M.
What sectors do the SEIS and RUSC ETFs invest in?
SEIS leans toward sectors like Financials, Industrials and Information Technology. Meanwhile, RUSC focuses on Industrials, Health Care and Financials.
What are the top holdings of the SEIS ETF and RUSC ETF?
SEIS top holdings include CNO FINANCIAL GROUP, EXLSERVICE HOLDINGS and COMMERCIAL METALS. RUSC holds in its top three: BRIDGEBIO PHARMA, LIGAND PHARMACEUTICALS and GUARDANT HEALTH INC.
Which ETF is more diversified: SEIS or RUSC?
SEIS holds 312 securities with 16.07% of its assets in the top 15. RUSC has 433 securities and a top 15 weight of 6.44%.
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