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SIZEvsONEOETF Comparison
iShares MSCI USA Size Factor ETF (SIZE) belongs to the US Large Cap segment. SPDR Russell 1000 Momentum Focus ETF (ONEO) is part of the US Multi-Factor segment. SIZE's top 3 sector exposures are Information Technology, Industrials and Financials. In contrast, ONEO's top sector exposures are Industrials, Information Technology and Consumer Discretionary. SIZE is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.2% for ONEO. SIZE is down -0.96% year-to-date (YTD) with -$8M in YTD flows. ONEO performs better with 2.94% YTD performance, and -$26M in YTD flows. Run a side-by-side ETF comparison of SIZE and ONEO below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
SIZE vs ONEO performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SIZE ONEO | -4.68%-4.64% | -1.59%+2.07% | -0.96%+2.94% | +14.72%+20.40% | +49.09%+53.39% | +41.47%+52.48% |
| Flows | SIZE ONEO | -$8M-$1M | +$8M-$74M | -$8M-$26M | +$37M-$74M | -$47M-$247M | -$700M-$298M |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SIZE ONEO | +12.40%+13.24% | +17.53%+17.75% | +14.75%+15.32% | +17.05%+17.30% |
| Max drawdown | SIZE ONEO | -5.51%-5.55% | -13.31%-12.69% | -18.57%-19.59% | -24.05%-22.42% |
| Max drawdown duration | SIZE ONEO | 15d15d | 46d46d | 219d260d | 820d757d |
SIZE | ONEO | |
Last sale 3/13/2026 at 1:30 PM | $160.04 | $133.14 |
| Previous close 03/12/2026 | $160.10 | $133.33 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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SIZE | ONEO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
SIZE | ONEO | |
|---|---|---|
| Last price | $160.04 | $133.14 |
| 1D performance | -0.04% | -0.15% |
| AuM | $376.20 M | $25.30 M |
| E/R | 0.15% | 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 SIZE and ONEO ETFs performed in 2026?
As of March 13, 2026, SIZE is down -0.96% year-to-date (YTD), while ONEO has returned 2.94%. That puts ONEO better performer ahead so far this year.
Which ETF is attracting more investor money: SIZE or ONEO?
Year-to-date, the SIZE ETF saw -$8M in flows, compared to -$26M for ONEO.
Which ETF is more volatile: SIZE or ONEO?
Over the past year, SIZE had a volatility of 17.53%, while ONEO experienced 17.75%.
Which ETF is bigger: SIZE or ONEO?
As of March 13, 2026, SIZE holds $376.20 M in assets under management (AUM), while ONEO manages $25.30 M.
What sectors do the SIZE and ONEO ETFs invest in?
SIZE leans toward sectors like Information Technology, Industrials and Financials. Meanwhile, ONEO focuses on Industrials, Information Technology and Consumer Discretionary.
What are the top holdings of the SIZE ETF and ONEO ETF?
SIZE top holdings include US7731211089, ECHOSTAR and WESTERN DIGITAL. ONEO holds in its top three: WESTERN DIGITAL, MCKESSON and DOLLAR GENERAL.
Which ETF is more diversified: SIZE or ONEO?
SIZE holds 544 securities with 4.05% of its assets in the top 15. ONEO has 902 securities and a top 15 weight of 9.21%.
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