SEISvsRUSCETF Comparison
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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 Information Technology, Industrials and Financials. In contrast, RUSC's top sector exposures are Industrials, Financials and Health Care. SEIS is less expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.69% for RUSC. SEIS is up 15.13% year-to-date (YTD) with +$95M in YTD flows. RUSC performs better with 19.97% YTD performance, and +$7M 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.
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SEIS vs RUSC performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 06/17/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SEIS RUSC | +5.00%+5.59% | +16.01%+16.33% | +15.13%+19.97% | +30.43%+40.25% | n/an/a | n/an/a |
| Flows | SEIS RUSC | -$8M+$1M | +$56M+$2M | +$95M+$7M | +$193M+$22M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SEIS RUSC | +21.25%+20.64% | +19.17%+18.31% | n/an/a | n/an/a |
| Max drawdown | SEIS RUSC | -5.25%-4.71% | -11.33%-9.15% | n/an/a | n/an/a |
| Max drawdown duration | SEIS RUSC | 26d19d | 84d59d | n/an/a | n/an/a |
Trading data
SEIS | RUSC | |
Last sale 6/18/2026 at 1:41 PM | $32.66 | $37.29 |
| Previous close 06/17/2026 | $32.13 | $37.57 |
| Consolidated volume 06/17/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 6/18/2026 at 1:41 PM
Live
Closed
SEIS | RUSC | |
|---|---|---|
| Last price | $32.66 | $37.29 |
| 1D performance | +1.63% | -0.75% |
| AuM | $545.47 M | $60.20 M |
| E/R | 0.55% | 0.69% |
Characteristics
SEIS | RUSC | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | SEI | Russell Investment Management |
| Benchmark | - | - |
| N° of holdings | 315 | 424 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 9, 2024 | May 14, 2025 |
| ESG | No | No |
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Exposure
Countries
SEIS
USA
84.03%
Other
15.97%
RUSC
USA
83.46%
Other
16.54%
Sectors
SEIS
Information Techn.
18.91%
Industrials
17.26%
Financials
16.29%
Consumer Discreti.
12.34%
Health Care
12.33%
Other
22.87%
RUSC
Industrials
18.11%
Financials
13.21%
Health Care
13.1%
Information Techn.
12.18%
Consumer Discreti.
9.15%
Other
34.25%
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Diversification
SEIS
Total weight of top 15 holdings out of 15
15.26%
RUSC
Total weight of top 15 holdings out of 15
7.87%
Top 15 holdings
Data as of April 30, 2026
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%
DIODES
0.93%
WTTS WTER TECH
0.93%
URBAN OUTFITTERS
0.92%
JACKSON FINANCIAL INC
0.91%
PRIMORIS SERVICES
0.88%
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%
Frequently asked questions about SEIS and RUSC
How have the SEIS and RUSC ETFs performed in 2026?
As of June 17, 2026, SEIS is up 15.13% year-to-date (YTD), while RUSC has returned 19.97%. 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 +$95M in flows, compared to +$7M for RUSC.
Which ETF is more volatile: SEIS or RUSC?
Over the past year, SEIS had a volatility of 19.17%, while RUSC experienced 18.31%.
Which ETF is bigger: SEIS or RUSC?
As of June 17, 2026, SEIS holds $545.47 M in assets under management (AUM), while RUSC manages $60.20 M.
What sectors do the SEIS and RUSC ETFs invest in?
SEIS leans toward sectors like Information Technology, Industrials and Financials. Meanwhile, RUSC focuses on Industrials, Financials and Health Care.
What are the top holdings of the SEIS ETF and RUSC ETF?
SEIS top holdings include BLOOM ENERGY CORP, ENOVA INTERNATIONAL and CNO FINANCIAL GROUP. RUSC holds in its top three: BLOOM ENERGY CORP, ARGAN and SELECT ENERGY SERVICES.
Which ETF is more diversified: SEIS or RUSC?
SEIS holds 319 securities with 15.26% of its assets in the top 15. RUSC has 430 securities and a top 15 weight of 7.87%.
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