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 14.68% year-to-date (YTD) with +$3.95B in YTD flows. REMC performs better with 15.86% 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 10/23/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWR REMC | +1.12%+2.22% | +0.86%+3.94% | +14.68%+15.86% | +14.51%n/a | +72.09%n/a | +40.63%n/a |
| Flows | IWR REMC | +$826M- | +$1.02B+$2M | +$3.95B+$323K | +$5.32B- | +$11.44B- | +$13.29B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWR REMC | +11.41%+10.54% | +13.47%n/a | +15.76%n/a | +18.24%n/a |
| Max drawdown | IWR REMC | -6.83%-5.24% | -8.16%n/a | -21.08%n/a | -26.20%n/a |
| Max drawdown duration | IWR REMC | 68d68d | 49dn/a | 239dn/a | 854dn/a |
Trading data
IWR | REMC | |
Last sale 10/23/2026 at 1:30 PM | $109.47 | $23.28 |
| Previous close 10/22/2026 | $109.97 | $23.38 |
| Consolidated volume 10/22/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 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 10/23/2026 at 1:30 PM
Live
Closed
IWR | REMC | |
|---|---|---|
| Last price | $109.47 | $23.28 |
| 1D performance | -0.45% | -0.44% |
| AuM | $56.99 B | $5.82 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 | 808 | 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
96.24%
Other
3.76%
REMC
USA
97.98%
Other
2.02%
Sectors
IWR
Finance
21.61%
Technology
16.34%
Industrials
13.72%
Healthcare
11.84%
Other
36.48%
REMC
Finance
19.94%
Technology
17.92%
Industrials
14.32%
Healthcare
12.07%
Non-Energy Materi.
7.3%
Other
28.45%
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Diversification
IWR
Total weight of top 15 holdings out of 15
8.43%
REMC
Total weight of top 15 holdings out of 15
21.08%
Top 15 holdings
Data as of August 31, 2026
IWR
Snowflake, Inc.
0.80%
Marathon Petroleum Corp.
0.79%
Phillips 66
0.71%
Cloudflare, Inc.
0.69%
Robinhood Markets, Inc.
0.58%
Datadog, Inc.
0.56%
Hewlett Packard Enterprise Co.
0.50%
Warner Bros. Discovery, Inc.
0.49%
Simon Property Group, Inc.
0.49%
Royal Caribbean Group
0.49%
Digital Realty Trust, Inc.
0.48%
The Allstate Corp.
0.47%
Lumentum Holdings, Inc.
0.47%
United Rentals, Inc.
0.47%
Baker Hughes Co.
0.45%
REMC
Phillips 66
2.36%
Snowflake, Inc.
1.95%
Anglogold Ashanti Plc
1.58%
Simon Property Group, Inc.
1.52%
Occidental Petroleum Corp.
1.44%
The Allstate Corp.
1.43%
Datadog, Inc.
1.38%
Comfort Systems USA, Inc.
1.34%
Delta Air Lines, Inc.
1.25%
Cardinal Health, Inc.
1.22%
State Street Corp.
1.15%
Becton, Dickinson & Co.
1.15%
Rockwell Automation, Inc.
1.13%
Ford Motor Co.
1.10%
The Kroger Co.
1.08%
Frequently asked questions about IWR and REMC
How have the IWR and REMC ETFs performed in 2026?
As of October 23, 2026, IWR is up 14.68% year-to-date (YTD), while REMC has returned 15.86%. That puts REMC better performer ahead so far this year.
Which ETF is attracting more investor money: IWR or REMC?
Year-to-date, the IWR ETF saw +$3.95B in flows, compared to +$323K for REMC.
Which ETF is bigger: IWR or REMC?
As of October 23, 2026, IWR holds $56.99 B in assets under management (AUM), while REMC manages $5.82 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 Phillips 66. REMC holds in its top three: Phillips 66, Snowflake, Inc. and Anglogold Ashanti Plc.
Which ETF is more diversified: IWR or REMC?
IWR holds 818 securities with 8.43% of its assets in the top 15. REMC has 280 securities and a top 15 weight of 21.08%.
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