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IWSvsONEVETF Comparison
iShares Russell Mid-Cap Value ETF (IWS) belongs to the US Mid Cap Value segment. SPDR Russell 1000 Low Volatility Focus ETF (ONEV) is part of the US Low Volatility segment. IWS's top 3 sector exposures are Industrials, Financials and Information Technology. In contrast, ONEV's top sector exposures are Industrials, Health Care and Consumer Discretionary. IWS is more expensive with a Total Expense Ratio (TER) of 0.23%, versus 0.2% for ONEV. IWS is up 2.84% year-to-date (YTD) with -$200M in YTD flows. ONEV performs worse with 1.63% YTD performance, and -$29M in YTD flows. Run a side-by-side ETF comparison of IWS and ONEV below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
IWS vs ONEV performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWS ONEV | -3.71%-3.74% | +1.80%+0.61% | +2.84%+1.63% | +18.90%+11.04% | +49.02%+41.21% | +42.41%+50.35% |
| Flows | IWS ONEV | +$93M-$1M | -$108M-$53M | -$200M-$29M | -$453M-$86M | -$2.15B-$196M | -$2.34B-$162M |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWS ONEV | +13.55%+10.79% | +18.33%+14.94% | +15.59%+12.94% | +17.34%+14.76% |
| Max drawdown | IWS ONEV | -6.06%-5.46% | -13.73%-10.87% | -20.45%-14.90% | -21.32%-18.48% |
| Max drawdown duration | IWS ONEV | 10d10d | 46d42d | 269d254d | 785d566d |
IWS | ONEV | |
Last sale 3/13/2026 at 1:30 PM | $144.85 | $135.16 |
| Previous close 03/12/2026 | $145.01 | $135.29 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Create an account to view replication metrics
IWS | ONEV | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
IWS | ONEV | |
|---|---|---|
| Last price | $144.85 | $135.16 |
| 1D performance | -0.11% | -0.09% |
| AuM | $14.54 B | $535.81 M |
| E/R | 0.23% | 0.2% |
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 IWS and ONEV ETFs performed in 2026?
As of March 12, 2026, IWS is up 2.84% year-to-date (YTD), while ONEV has returned 1.63%. That puts IWS better performer ahead so far this year.
Which ETF is attracting more investor money: IWS or ONEV?
Year-to-date, the IWS ETF saw -$200M in flows, compared to -$29M for ONEV.
Which ETF is more volatile: IWS or ONEV?
Over the past year, IWS had a volatility of 18.33%, while ONEV experienced 14.94%.
Which ETF is bigger: IWS or ONEV?
As of March 12, 2026, IWS holds $14.54 B in assets under management (AUM), while ONEV manages $535.81 M.
What sectors do the IWS and ONEV ETFs invest in?
IWS leans toward sectors like Industrials, Financials and Information Technology. Meanwhile, ONEV focuses on Industrials, Health Care and Consumer Discretionary.
What are the top holdings of the IWS ETF and ONEV ETF?
IWS top holdings include WESTERN DIGITAL, CORNING and CUMMINS. ONEV holds in its top three: CARDINAL HEALTH, AMERISOURCEBERGEN and COGNIZANT TECHNOLOGY SOLUTN.
Which ETF is more diversified: IWS or ONEV?
IWS holds 714 securities with 9.98% of its assets in the top 15. ONEV has 439 securities and a top 15 weight of 13.17%.
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