IWRvsONEOETF Comparison
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iShares Russell Mid-Cap ETF (IWR) belongs to the US Mid Cap segment. State Street SPDR Russell 1000 Momentum Focus ETF (ONEO) is part of the US Multi-Factor segment. IWR's top 3 sector exposures are Finance, Technology and Industrials. In contrast, ONEO's top sector exposures are Industrials, Finance and Technology. IWR is less expensive with a Total Expense Ratio (TER) of 0.18%, versus 0.2% for ONEO. IWR is up 13.74% year-to-date (YTD) with +$2.84B in YTD flows. ONEO performs better with 18.19% YTD performance, and -$24M in YTD flows. Run a side-by-side ETF comparison of IWR 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.
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IWR vs ONEO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/10/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWR ONEO | -3.65%-3.45% | +3.64%+3.44% | +13.74%+18.19% | +14.82%+20.09% | +57.05%+62.53% | +44.57%+62.06% |
| Flows | IWR ONEO | +$200M+$2M | -$220M+$2M | +$2.84B-$24M | +$4.59B-$73M | +$10.44B-$166M | +$12.24B-$319M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWR ONEO | +11.99%+11.27% | +13.71%+13.16% | +15.94%+15.20% | +18.28%+17.30% |
| Max drawdown | IWR ONEO | -5.16%-4.61% | -8.16%-7.42% | -21.08%-19.59% | -26.20%-22.42% |
| Max drawdown duration | IWR ONEO | 25d25d | 49d48d | 239d260d | 854d757d |
Trading data
IWR | ONEO | |
Last sale 9/10/2026 at 1:30 PM | $108.96 | $151.88 |
| Previous close 09/10/2026 | $109.94 | $152.99 |
| Consolidated volume 09/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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IWR | ONEO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/10/2026 at 1:30 PM
Live
Closed
IWR | ONEO | |
|---|---|---|
| Last price | $108.96 | $151.88 |
| 1D performance | -0.89% | -0.73% |
| AuM | $55.58 B | $30.38 M |
| E/R | 0.18% | 0.2% |
Characteristics
IWR | ONEO | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | Russell Midcap Index | Russell 1000 Momentum Focused Factor Index |
| N° of holdings | 812 | 917 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 17, 2001 | December 2, 2015 |
| ESG | No | No |
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Exposure
Countries
IWR
USA
96.23%
Other
3.77%
ONEO
USA
94.84%
Other
5.16%
Sectors
IWR
Finance
22.01%
Technology
15.73%
Industrials
14.33%
Healthcare
11.14%
Other
36.79%
ONEO
Industrials
15.9%
Finance
15.32%
Technology
14.66%
Healthcare
11.55%
Consumer Non-Cycl.
8.16%
Non-Energy Materi.
7.9%
Other
26.51%
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Diversification
IWR
Total weight of top 15 holdings out of 15
8.16%
ONEO
Total weight of top 15 holdings out of 15
8.03%
Top 15 holdings
Data as of July 31, 2026
IWR
Snowflake, Inc.
0.72%
Marathon Petroleum Corp.
0.67%
Cloudflare, Inc.
0.65%
Datadog, Inc.
0.64%
Phillips 66
0.61%
Royal Caribbean Group
0.59%
Simon Property Group, Inc.
0.53%
Digital Realty Trust, Inc.
0.51%
The Allstate Corp.
0.49%
United Rentals, Inc.
0.48%
Robinhood Markets, Inc.
0.48%
Hewlett Packard Enterprise Co.
0.45%
Kinder Morgan, Inc.
0.45%
Warner Bros. Discovery, Inc.
0.44%
Realty Income Corp.
0.44%
ONEO
The Allstate Corp.
0.68%
Anglogold Ashanti Plc
0.67%
Archer-Daniels-Midland Co.
0.62%
Expedia Group, Inc.
0.59%
Delta Air Lines, Inc.
0.57%
CF Industries Holdings, Inc.
0.54%
Regeneron Pharmaceuticals, Inc.
0.54%
Zoom Communications, Inc.
0.52%
McKesson Corp.
0.50%
Edison International
0.49%
Ovintiv, Inc.
0.48%
TechnipFMC plc
0.47%
CVS Health Corp.
0.46%
Permian Resources Corp.
0.45%
Devon Energy Corp.
0.45%
Frequently asked questions about IWR and ONEO
How have the IWR and ONEO ETFs performed in 2026?
As of September 10, 2026, IWR is up 13.74% year-to-date (YTD), while ONEO has returned 18.19%. That puts ONEO better performer ahead so far this year.
Which ETF is attracting more investor money: IWR or ONEO?
Year-to-date, the IWR ETF saw +$2.84B in flows, compared to -$24M for ONEO.
Which ETF is more volatile: IWR or ONEO?
Over the past year, IWR had a volatility of 13.71%, while ONEO experienced 13.16%.
Which ETF is bigger: IWR or ONEO?
As of September 10, 2026, IWR holds $55.58 B in assets under management (AUM), while ONEO manages $30.38 M.
What sectors do the IWR and ONEO ETFs invest in?
IWR leans toward sectors like Finance, Technology and Industrials. Meanwhile, ONEO focuses on Industrials, Finance and Technology.
What are the top holdings of the IWR ETF and ONEO ETF?
IWR top holdings include Snowflake, Inc., Marathon Petroleum Corp. and Cloudflare, Inc.. ONEO holds in its top three: The Allstate Corp., Anglogold Ashanti Plc and Archer-Daniels-Midland Co..
Which ETF is more diversified: IWR or ONEO?
IWR holds 823 securities with 8.16% of its assets in the top 15. ONEO has 924 securities and a top 15 weight of 8.03%.
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