IWRvsREMCETF Comparison
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iShares Russell Mid-Cap ETF (IWR) belongs to the US Mid Cap segment. Columbia Research Enhanced Mid Cap ETF (REMC) is part of the US Multi-Factor segment. Both ETFs have the same top 3 sector exposures: Finance, Technology and Industrials. IWR is less expensive with a Total Expense Ratio (TER) of 0.18%, versus 0.32% for REMC. IWR is up 13.74% year-to-date (YTD) with +$2.84B in YTD flows. REMC performs worse with 13.51% YTD performance, and +$323K in YTD flows. Run a side-by-side ETF comparison of IWR and REMC 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 REMC 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 REMC | -3.65%-2.98% | +3.64%+5.17% | +13.74%+13.51% | +14.82%n/a | +57.05%n/a | +44.57%n/a |
| Flows | IWR REMC | +$200M+$2M | -$220M+$2M | +$2.84B+$323K | +$4.59B- | +$10.44B- | +$12.24B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWR REMC | +11.99%+10.56% | +13.71%n/a | +15.94%n/a | +18.28%n/a |
| Max drawdown | IWR REMC | -5.16%-4.18% | -8.16%n/a | -21.08%n/a | -26.20%n/a |
| Max drawdown duration | IWR REMC | 25d25d | 49dn/a | 239dn/a | 854dn/a |
Trading data
IWR | REMC | |
Last sale 9/10/2026 at 1:30 PM | $108.96 | $22.82 |
| Previous close 09/10/2026 | $109.94 | $23.01 |
| 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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REMC
is actively managed and doesn’t replicate an indexIWR | REMC | |
|---|---|---|
| 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 | REMC | |
|---|---|---|
| Last price | $108.96 | $22.82 |
| 1D performance | -0.89% | -0.82% |
| AuM | $55.58 B | $5.71 M |
| E/R | 0.18% | 0.32% |
Characteristics
IWR | REMC | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | Columbia Threadneedle Investments |
| Benchmark | Russell Midcap Index | - |
| N° of holdings | 812 | 278 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 17, 2001 | December 11, 2025 |
| ESG | No | No |
Exposure
Countries
IWR
USA
96.23%
Other
3.77%
REMC
USA
97.91%
Other
2.09%
Sectors
IWR
Finance
22.01%
Technology
15.73%
Industrials
14.33%
Healthcare
11.14%
Other
36.79%
REMC
Finance
19.89%
Technology
17.55%
Industrials
14.49%
Healthcare
11.93%
Non-Energy Materi.
7.28%
Other
28.86%
Diversification
IWR
Total weight of top 15 holdings out of 15
8.16%
REMC
Total weight of top 15 holdings out of 15
21.05%
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%
REMC
Phillips 66
2.37%
Snowflake, Inc.
1.91%
Simon Property Group, Inc.
1.57%
Anglogold Ashanti Plc
1.54%
Occidental Petroleum Corp.
1.51%
The Allstate Corp.
1.42%
Comfort Systems USA, Inc.
1.39%
Datadog, Inc.
1.33%
Delta Air Lines, Inc.
1.25%
Cardinal Health, Inc.
1.19%
Becton, Dickinson & Co.
1.15%
Rockwell Automation, Inc.
1.13%
Ford Motor Co.
1.11%
State Street Corp.
1.09%
Ferguson Enterprises, Inc.
1.09%
Frequently asked questions about IWR and REMC
How have the IWR and REMC ETFs performed in 2026?
As of September 10, 2026, IWR is up 13.74% year-to-date (YTD), while REMC has returned 13.51%. That puts IWR better performer ahead so far this year.
Which ETF is attracting more investor money: IWR or REMC?
Year-to-date, the IWR ETF saw +$2.84B in flows, compared to +$323K for REMC.
Which ETF is bigger: IWR or REMC?
As of September 10, 2026, IWR holds $55.58 B in assets under management (AUM), while REMC manages $5.71 M.
What sectors do the IWR and REMC ETFs invest in?
IWR leans toward sectors like Finance, Technology and Industrials. Meanwhile, REMC focuses on Finance, Technology and Industrials.
What are the top holdings of the IWR ETF and REMC ETF?
IWR top holdings include Snowflake, Inc., Marathon Petroleum Corp. and Cloudflare, Inc.. REMC holds in its top three: Phillips 66, Snowflake, Inc. and Simon Property Group, Inc..
Which ETF is more diversified: IWR or REMC?
IWR holds 823 securities with 8.16% of its assets in the top 15. REMC has 280 securities and a top 15 weight of 21.05%.
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