IWSvsMCDSETF Comparison
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iShares Russell Mid-Cap Value ETF (IWS) belongs to the US Mid Cap Value segment. JPMorgan Fundamental Data Science Mid Core ETF (MCDS) is part of the US Mid Cap segment. IWS's top 3 sector exposures are Finance, Industrials and Healthcare. In contrast, MCDS's top sector exposures are Finance, Technology and Industrials. IWS is less expensive with a Total Expense Ratio (TER) of 0.23%, versus 0.35% for MCDS. IWS is up 22.16% year-to-date (YTD) with -$2.23B in YTD flows. MCDS performs worse with 15.79% YTD performance, and +$38K in YTD flows. Run a side-by-side ETF comparison of IWS and MCDS 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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IWS vs MCDS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 11/03/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWS MCDS | +4.11%+1.39% | +1.47%-1.14% | +22.16%+15.79% | +25.39%+17.96% | +71.87%n/a | +52.37%n/a |
| Flows | IWS MCDS | -$838M-$1M | -$946M+$43K | -$2.23B+$38K | -$1.95B+$38K | -$3.61B- | -$4.68B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWS MCDS | +10.54%+10.76% | +13.00%+12.95% | +15.08%n/a | +17.21%n/a |
| Max drawdown | IWS MCDS | -6.99%-7.51% | -7.51%-7.51% | -20.45%n/a | -21.32%n/a |
| Max drawdown duration | IWS MCDS | 79d79d | 44d79d | 269dn/a | 785dn/a |
Trading data
IWS | MCDS | |
Last sale 11/4/2026 at 2:30 PM | $173.49 | $67.90 |
| Previous close 11/03/2026 | $170.62 | $67.30 |
| Consolidated volume 11/03/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 30, 2026
1-year trailing difference
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MCDS
is actively managed and doesn’t replicate an indexIWS | MCDS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 11/4/2026 at 2:30 PM
Live
Closed
IWS | MCDS | |
|---|---|---|
| Last price | $173.49 | $67.90 |
| 1D performance | +1.68% | +0.90% |
| AuM | $14.93 B | $8.08 M |
| E/R | 0.23% | 0.35% |
Characteristics
IWS | MCDS | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | J.P. Morgan Asset Management |
| Benchmark | Russell Midcap Value Index | - |
| N° of holdings | 710 | 203 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 17, 2001 | August 7, 2024 |
| ESG | No | No |
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Exposure
Countries
IWS
USA
95.33%
Other
4.67%
MCDS
USA
96.83%
Other
3.17%
Sectors
IWS
Finance
25.08%
Industrials
13.04%
Healthcare
11.82%
Technology
11.32%
Non-Energy Materi.
7.79%
Other
30.94%
MCDS
Finance
20.88%
Technology
18.32%
Industrials
15.58%
Healthcare
11.98%
Other
33.25%
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Diversification
IWS
Total weight of top 15 holdings out of 15
9.46%
MCDS
Total weight of top 15 holdings out of 15
17.37%
Top 15 holdings
Data as of September 30, 2026
IWS
Phillips 66
0.97%
Hewlett Packard Enterprise Co.
0.86%
Warner Bros. Discovery, Inc.
0.75%
Moderna, Inc.
0.71%
Digital Realty Trust, Inc.
0.66%
Kinder Morgan, Inc.
0.59%
Marathon Petroleum Corp.
0.58%
AMETEK, Inc.
0.57%
The Allstate Corp.
0.57%
Baker Hughes Co.
0.55%
US30609A1097
0.54%
Cheniere Energy, Inc.
0.53%
Corteva, Inc.
0.53%
Devon Energy Corp.
0.53%
Nucor Corp.
0.52%
MCDS
Marathon Petroleum Corp.
1.79%
Hewlett Packard Enterprise Co.
1.56%
Natera, Inc.
1.42%
State Street Corp.
1.22%
Westinghouse Air Brake Technologies Corp.
1.20%
Teradyne, Inc.
1.20%
Snowflake, Inc.
1.15%
Cardinal Health, Inc.
1.13%
M&T Bank Corp.
1.01%
Quest Diagnostics, Inc.
0.98%
AMETEK, Inc.
0.97%
TD SYNNEX Corp.
0.96%
Dover Corp.
0.95%
Raymond James Financial, Inc.
0.93%
Arch Capital Group Ltd.
0.90%
Frequently asked questions about IWS and MCDS
How have the IWS and MCDS ETFs performed in 2026?
As of November 3, 2026, IWS is up 22.16% year-to-date (YTD), while MCDS has returned 15.79%. That puts IWS better performer ahead so far this year.
Which ETF is attracting more investor money: IWS or MCDS?
Year-to-date, the IWS ETF saw -$2.23B in flows, compared to +$38K for MCDS.
Which ETF is more volatile: IWS or MCDS?
Over the past year, IWS had a volatility of 13%, while MCDS experienced 12.95%.
Which ETF is bigger: IWS or MCDS?
As of November 3, 2026, IWS holds $14.93 B in assets under management (AUM), while MCDS manages $8.08 M.
What sectors do the IWS and MCDS ETFs invest in?
IWS leans toward sectors like Finance, Industrials and Healthcare. Meanwhile, MCDS focuses on Finance, Technology and Industrials.
What are the top holdings of the IWS ETF and MCDS ETF?
IWS top holdings include Phillips 66, Hewlett Packard Enterprise Co. and Warner Bros. Discovery, Inc.. MCDS holds in its top three: Marathon Petroleum Corp., Hewlett Packard Enterprise Co. and Natera, Inc..
Which ETF is more diversified: IWS or MCDS?
IWS holds 719 securities with 9.46% of its assets in the top 15. MCDS has 203 securities and a top 15 weight of 17.37%.
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