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 14.15% year-to-date (YTD) with +$2.84B in YTD flows. REMC performs worse with 12.44% YTD performance, and -$2M 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 07/24/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWR REMC | +0.73%+2.45% | +5.62%+7.15% | +14.15%+12.44% | +16.88%n/a | +50.95%n/a | +47.23%n/a |
| Flows | IWR REMC | -$620M- | +$884M+$1K | +$2.84B-$2M | +$4.96B- | +$10.57B- | +$12.08B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWR REMC | +12.80%+10.66% | +13.72%n/a | +15.92%n/a | +18.24%n/a |
| Max drawdown | IWR REMC | -2.88%-2.32% | -8.16%n/a | -21.08%n/a | -26.20%n/a |
| Max drawdown duration | IWR REMC | 16d15d | 49dn/a | 239dn/a | 854dn/a |
Trading data
IWR | REMC | |
Last sale 7/27/2026 at 1:30 PM | $109.98 | $22.59 |
| Previous close 07/24/2026 | $109.36 | $22.38 |
| 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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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 7/27/2026 at 1:30 PM
Live
Closed
IWR | REMC | |
|---|---|---|
| Last price | $109.98 | $22.59 |
| 1D performance | +0.57% | +0.97% |
| AuM | $55.78 B | $3.39 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 | 810 | 278 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 17, 2001 | December 11, 2025 |
| ESG | No | No |
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Exposure
Countries
IWR
USA
95.61%
Other
4.39%
REMC
USA
97.65%
Other
2.35%
Sectors
IWR
Finance
21.03%
Technology
16.71%
Industrials
15.2%
Healthcare
10.74%
Other
36.32%
REMC
Finance
19.66%
Technology
18.91%
Industrials
15.79%
Healthcare
10.88%
Other
34.76%
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Diversification
IWR
Total weight of top 15 holdings out of 15
7.98%
REMC
Total weight of top 15 holdings out of 15
21.05%
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%
REMC
Phillips 66
1.73%
Comfort Systems USA, Inc.
1.71%
Simon Property Group, Inc.
1.64%
Snowflake, Inc.
1.56%
Datadog, Inc.
1.54%
Delta Air Lines, Inc.
1.50%
Teradyne, Inc.
1.38%
The Allstate Corp.
1.37%
Rockwell Automation, Inc.
1.34%
Electronic Arts, Inc.
1.31%
Cardinal Health, Inc.
1.27%
Astera Labs, Inc.
1.23%
Occidental Petroleum Corp.
1.23%
Ford Motor Co.
1.13%
Anglogold Ashanti Plc
1.12%
Frequently asked questions about IWR and REMC
How have the IWR and REMC ETFs performed in 2026?
As of July 24, 2026, IWR is up 14.15% year-to-date (YTD), while REMC has returned 12.44%. 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 -$2M for REMC.
Which ETF is bigger: IWR or REMC?
As of July 24, 2026, IWR holds $55.78 B in assets under management (AUM), while REMC manages $3.39 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 Datadog, Inc., Snowflake, Inc. and Royal Caribbean Group. REMC holds in its top three: Phillips 66, Comfort Systems USA, Inc. and Simon Property Group, Inc..
Which ETF is more diversified: IWR or REMC?
IWR holds 824 securities with 7.98% of its assets in the top 15. REMC has 280 securities and a top 15 weight of 21.05%.
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