IMCBvsONEOETF Comparison
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iShares Morningstar Mid-Cap ETF (IMCB) belongs to the US Mid Cap segment. State Street SPDR Russell 1000 Momentum Focus ETF (ONEO) is part of the US Multi-Factor segment. IMCB's top 3 sector exposures are Finance, Industrials and Technology. In contrast, ONEO's top sector exposures are Industrials, Finance and Technology. IMCB is less expensive with a Total Expense Ratio (TER) of 0.04%, versus 0.2% for ONEO. IMCB is up 18.51% year-to-date (YTD) with +$45M in YTD flows. ONEO performs better with 19.21% YTD performance, and -$24M in YTD flows. Run a side-by-side ETF comparison of IMCB 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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IMCB vs ONEO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IMCB ONEO | -2.63%-2.81% | +3.79%+1.80% | +18.51%+19.21% | +18.33%+19.29% | +63.39%+63.93% | +53.38%+62.81% |
| Flows | IMCB ONEO | +$30M+$2M | +$46M+$2M | +$45M-$24M | +$255M-$73M | +$435M-$166M | +$361M-$319M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IMCB ONEO | +9.91%+10.26% | +13.02%+13.10% | +15.21%+15.19% | +17.70%+17.31% |
| Max drawdown | IMCB ONEO | -4.63%-4.61% | -8.06%-7.42% | -19.88%-19.59% | -25.13%-22.42% |
| Max drawdown duration | IMCB ONEO | 26d26d | 49d48d | 238d260d | 835d757d |
Trading data
IMCB | ONEO | |
Last sale 9/11/2026 at 7:59 PM | $97.42 | $153.16 |
| Previous close 09/11/2026 | $96.58 | $151.88 |
| Consolidated volume 09/11/2026 | ||
| 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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IMCB | 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 9/11/2026 at 7:59 PM
Live
Closed
IMCB | ONEO | |
|---|---|---|
| Last price | $97.42 | $153.16 |
| 1D performance | +0.87% | +0.84% |
| AuM | $1.70 B | $30.64 M |
| E/R | 0.04% | 0.2% |
Characteristics
IMCB | ONEO | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | Morningstar U.S. Mid Cap Index | Russell 1000 Momentum Focused Factor Index |
| N° of holdings | 391 | 917 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 28, 2004 | December 2, 2015 |
| ESG | No | No |
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Exposure
Countries
IMCB
USA
95.9%
Other
4.1%
ONEO
USA
94.84%
Other
5.16%
Sectors
IMCB
Finance
19.92%
Industrials
15.72%
Technology
14.75%
Healthcare
8.98%
Non-Energy Materi.
7.48%
Energy
7.29%
Other
25.87%
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
IMCB
Total weight of top 15 holdings out of 15
9.99%
ONEO
Total weight of top 15 holdings out of 15
8.03%
Top 15 holdings
Data as of July 31, 2026
IMCB
Dell Technologies, Inc.
0.80%
Automatic Data Processing, Inc.
0.73%
The Bank of New York Mellon Corp.
0.71%
Snowflake, Inc.
0.69%
The PNC Financial Services Group, Inc.
0.69%
U.S. Bancorp
0.68%
Fortinet, Inc.
0.66%
CSX Corp.
0.65%
Valero Energy Corp.
0.64%
3M Co.
0.63%
Marathon Petroleum Corp.
0.63%
Freeport-McMoRan, Inc.
0.63%
Marsh & McLennan Cos., Inc.
0.62%
Cloudflare, Inc.
0.62%
Johnson Controls International Plc
0.61%
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 IMCB and ONEO
How have the IMCB and ONEO ETFs performed in 2026?
As of September 11, 2026, IMCB is up 18.51% year-to-date (YTD), while ONEO has returned 19.21%. That puts ONEO better performer ahead so far this year.
Which ETF is attracting more investor money: IMCB or ONEO?
Year-to-date, the IMCB ETF saw +$45M in flows, compared to -$24M for ONEO.
Which ETF is more volatile: IMCB or ONEO?
Over the past year, IMCB had a volatility of 13.02%, while ONEO experienced 13.1%.
Which ETF is bigger: IMCB or ONEO?
As of September 11, 2026, IMCB holds $1.70 B in assets under management (AUM), while ONEO manages $30.64 M.
What sectors do the IMCB and ONEO ETFs invest in?
IMCB leans toward sectors like Finance, Industrials and Technology. Meanwhile, ONEO focuses on Industrials, Finance and Technology.
What are the top holdings of the IMCB ETF and ONEO ETF?
IMCB top holdings include Dell Technologies, Inc., Automatic Data Processing, Inc. and The Bank of New York Mellon Corp.. ONEO holds in its top three: The Allstate Corp., Anglogold Ashanti Plc and Archer-Daniels-Midland Co..
Which ETF is more diversified: IMCB or ONEO?
IMCB holds 396 securities with 9.99% of its assets in the top 15. ONEO has 924 securities and a top 15 weight of 8.03%.
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