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, Technology and Finance. IWR is less expensive with a Total Expense Ratio (TER) of 0.18%, versus 0.2% for ONEO. IWR is up 14.15% year-to-date (YTD) with +$2.84B in YTD flows. ONEO performs better with 18.83% YTD performance, and -$26M 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 07/24/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWR ONEO | +0.73%+0.92% | +5.62%+6.98% | +14.15%+18.83% | +16.88%+22.84% | +50.95%+58.70% | +47.23%+65.89% |
| Flows | IWR ONEO | -$620M+$32K | +$884M+$32K | +$2.84B-$26M | +$4.96B-$74M | +$10.57B-$168M | +$12.08B-$320M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWR ONEO | +12.80%+13.60% | +13.72%+13.28% | +15.92%+15.23% | +18.24%+17.32% |
| Max drawdown | IWR ONEO | -2.88%-3.15% | -8.16%-7.42% | -21.08%-19.59% | -26.20%-22.42% |
| Max drawdown duration | IWR ONEO | 16d7d | 49d48d | 239d260d | 854d757d |
Trading data
IWR | ONEO | |
Last sale 7/27/2026 at 1:30 PM | $109.98 | $152.67 |
| Previous close 07/24/2026 | $109.36 | $151.67 |
| Consolidated volume 07/24/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of June 30, 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 7/27/2026 at 1:30 PM
Live
Closed
IWR | ONEO | |
|---|---|---|
| Last price | $109.98 | $152.67 |
| 1D performance | +0.57% | +0.66% |
| AuM | $55.78 B | $29.01 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 | 810 | 918 |
| 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
95.61%
Other
4.39%
ONEO
USA
94.6%
Other
5.4%
Sectors
IWR
Finance
21.03%
Technology
16.71%
Industrials
15.2%
Healthcare
10.74%
Other
36.32%
ONEO
Industrials
16.58%
Technology
15.84%
Finance
14.58%
Healthcare
10.97%
Non-Energy Materi.
8.09%
Consumer Non-Cycl.
7.81%
Other
26.12%
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Diversification
IWR
Total weight of top 15 holdings out of 15
7.98%
ONEO
Total weight of top 15 holdings out of 15
7.62%
Top 15 holdings
Data as of June 30, 2026
IWR
Datadog, Inc.
0.62%
Snowflake, Inc.
0.61%
Royal Caribbean Group
0.58%
Cloudflare, Inc.
0.56%
Robinhood Markets, Inc.
0.56%
Teradyne, Inc.
0.55%
Marathon Petroleum Corp.
0.54%
Astera Labs, Inc.
0.53%
Simon Property Group, Inc.
0.52%
United Rentals, Inc.
0.51%
Coherent Corp.
0.50%
Comfort Systems USA, Inc.
0.50%
Phillips 66
0.49%
Warner Bros. Discovery, Inc.
0.46%
Digital Realty Trust, Inc.
0.45%
ONEO
Anglogold Ashanti Plc
0.68%
Delta Air Lines, Inc.
0.62%
The Allstate Corp.
0.61%
Archer-Daniels-Midland Co.
0.60%
Expedia Group, Inc.
0.51%
Edison International
0.50%
CF Industries Holdings, Inc.
0.47%
Zoom Communications, Inc.
0.47%
Credo Technology Group Holding Ltd.
0.47%
Humana, Inc.
0.47%
United Therapeutics Corp.
0.46%
CVS Health Corp.
0.45%
Regeneron Pharmaceuticals, Inc.
0.44%
McKesson Corp.
0.44%
Newmont Corp.
0.44%
Frequently asked questions about IWR and ONEO
How have the IWR and ONEO ETFs performed in 2026?
As of July 24, 2026, IWR is up 14.15% year-to-date (YTD), while ONEO has returned 18.83%. 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 -$26M for ONEO.
Which ETF is more volatile: IWR or ONEO?
Over the past year, IWR had a volatility of 13.72%, while ONEO experienced 13.28%.
Which ETF is bigger: IWR or ONEO?
As of July 24, 2026, IWR holds $55.78 B in assets under management (AUM), while ONEO manages $29.01 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, Technology and Finance.
What are the top holdings of the IWR ETF and ONEO ETF?
IWR top holdings include Datadog, Inc., Snowflake, Inc. and Royal Caribbean Group. ONEO holds in its top three: Anglogold Ashanti Plc, Delta Air Lines, Inc. and The Allstate Corp..
Which ETF is more diversified: IWR or ONEO?
IWR holds 824 securities with 7.98% of its assets in the top 15. ONEO has 927 securities and a top 15 weight of 7.62%.
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