RUSCvsSEISETF Comparison
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Russell Investments U.S. Small Cap Equity Active ETF (RUSC) and SEI Select Small Cap ETF (SEIS) belong to the same industry segment: US Small Cap. RUSC's top 3 sector exposures are Industrials, Financials and Health Care. In contrast, SEIS's top sector exposures are Information Technology, Industrials and Financials. RUSC is more expensive with a Total Expense Ratio (TER) of 0.69%, versus 0.55% for SEIS. RUSC is up 19.91% year-to-date (YTD) with +$7M in YTD flows. SEIS performs worse with 15.6% YTD performance, and +$92M in YTD flows. Run a side-by-side ETF comparison of RUSC and SEIS below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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RUSC vs SEIS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 06/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | RUSC SEIS | +2.90%+1.57% | +15.08%+15.43% | +19.91%+15.60% | +37.63%+29.08% | n/an/a | n/an/a |
| Flows | RUSC SEIS | +$1M+$14M | +$2M+$57M | +$7M+$92M | +$42M+$192M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | RUSC SEIS | +21.18%+21.58% | +18.39%+19.25% | n/an/a | n/an/a |
| Max drawdown | RUSC SEIS | -4.71%-5.25% | -9.15%-11.33% | n/an/a | n/an/a |
| Max drawdown duration | RUSC SEIS | 19d26d | 59d84d | n/an/a | n/an/a |
Trading data
RUSC | SEIS | |
Last sale 6/12/2026 at 1:30 PM | $37.71 | $32.56 |
| Previous close 06/11/2026 | $37.29 | $32.27 |
| Consolidated volume 06/11/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 6/12/2026 at 1:30 PM
Live
Closed
RUSC | SEIS | |
|---|---|---|
| Last price | $37.71 | $32.56 |
| 1D performance | +1.13% | +0.90% |
| AuM | $60.17 M | $545.20 M |
| E/R | 0.69% | 0.55% |
Characteristics
RUSC | SEIS | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Russell Investment Management | SEI |
| Benchmark | - | - |
| N° of holdings | 424 | 315 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 14, 2025 | October 9, 2024 |
| ESG | No | No |
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Exposure
Countries
RUSC
USA
83.46%
Other
16.54%
SEIS
USA
84.03%
Other
15.97%
Sectors
RUSC
Industrials
18.11%
Financials
13.21%
Health Care
13.1%
Information Techn.
12.18%
Consumer Discreti.
9.15%
Other
34.25%
SEIS
Information Techn.
18.91%
Industrials
17.26%
Financials
16.29%
Consumer Discreti.
12.34%
Health Care
12.33%
Other
22.87%
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Diversification
RUSC
Total weight of top 15 holdings out of 15
7.87%
SEIS
Total weight of top 15 holdings out of 15
15.26%
Top 15 holdings
Data as of April 30, 2026
RUSC
BLOOM ENERGY CORP
0.88%
ARGAN
0.77%
SELECT ENERGY SERVICES
0.58%
LIGAND PHARMACEUTICALS
0.58%
APPLIED OPTOEL/D
0.55%
SOLARIS OILFIELD INFRASTRUCTURE
0.49%
LUMENTUM HOLDINGS
0.48%
RAYONIER REIT
0.48%
BRIDGEBIO PHARMA
0.46%
NEWPARK RSC
0.46%
NATIONAL ENERGY SERVICES REUNITED
0.45%
EZCORP CL A NV
0.44%
SITIME CORP
0.43%
VISHAY INTERTECH
0.42%
POWELL INDUSTRIES
0.40%
SEIS
BLOOM ENERGY CORP
1.26%
ENOVA INTERNATIONAL
1.11%
CNO FINANCIAL GROUP
1.11%
CLEAR SECURE
1.09%
TTM TECHNOLOGIES
1.06%
MOLINA HLTHCRE
1.05%
BRIDGEBIO PHARMA
1.04%
CREDO TECHNOLOGY GROUP HOLDING
1.01%
COMMERCIAL METALS
1.01%
PHOTRONICS
0.95%
WTTS WTER TECH
0.93%
DIODES
0.93%
URBAN OUTFITTERS
0.92%
JACKSON FINANCIAL INC
0.91%
PRIMORIS SERVICES
0.88%
Frequently asked questions about RUSC and SEIS
How have the RUSC and SEIS ETFs performed in 2026?
As of June 11, 2026, RUSC is up 19.91% year-to-date (YTD), while SEIS has returned 15.6%. That puts RUSC better performer ahead so far this year.
Which ETF is attracting more investor money: RUSC or SEIS?
Year-to-date, the RUSC ETF saw +$7M in flows, compared to +$92M for SEIS.
Which ETF is more volatile: RUSC or SEIS?
Over the past year, RUSC had a volatility of 18.39%, while SEIS experienced 19.25%.
Which ETF is bigger: RUSC or SEIS?
As of June 11, 2026, RUSC holds $60.17 M in assets under management (AUM), while SEIS manages $545.20 M.
What sectors do the RUSC and SEIS ETFs invest in?
RUSC leans toward sectors like Industrials, Financials and Health Care. Meanwhile, SEIS focuses on Information Technology, Industrials and Financials.
What are the top holdings of the RUSC ETF and SEIS ETF?
RUSC top holdings include BLOOM ENERGY CORP, ARGAN and SELECT ENERGY SERVICES. SEIS holds in its top three: BLOOM ENERGY CORP, ENOVA INTERNATIONAL and CNO FINANCIAL GROUP.
Which ETF is more diversified: RUSC or SEIS?
RUSC holds 430 securities with 7.87% of its assets in the top 15. SEIS has 319 securities and a top 15 weight of 15.26%.
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