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IWSvsMCDSETF Comparison

ETF 1

IWS

iShares Russell Mid-Cap Value ETF

This fund is part of

US Mid Cap Value

+0%

Full IWS fund page

VS

ETF 2

MCDS

JPMorgan Fundamental Data Science Mid Core ETF

This fund is part of

US Mid Cap

+0%

Full MCDS fund page

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 Industrials, Financials and Information Technology. In contrast, MCDS's top sector exposures are Industrials, Information Technology and Financials. IWS is less expensive with a Total Expense Ratio (TER) of 0.23%, versus 0.35% for MCDS. IWS is up 16.29% year-to-date (YTD) with -$1.03B in YTD flows. MCDS performs worse with 14.51% YTD performance, and - 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

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 06/18/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IWS MCDS	+5.13%+5.70%	+12.60%+13.23%	+16.29%+14.51%	+28.63%+23.98%	+59.20%n/a	+58.81%n/a
Flows	IWS MCDS	-$51M-	-$923M-	-$1.03B-	-$977M+$7K	-$2.74B-	-$3.51B-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IWS MCDS	+14.86%+15.08%	+13.56%+13.41%	+15.41%n/a	+17.36%n/a
Max drawdown	IWS MCDS	-2.87%-3.13%	-7.51%-7.49%	-20.45%n/a	-21.32%n/a
Max drawdown duration	IWS MCDS	16d16d	44d46d	269dn/a	785dn/a

Trading data

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	IWS	MCDS
Last sale 6/18/2026 at 1:30 PM	$162.95	$66.98
Previous close 06/18/2026	$161.45	$66.47
Consolidated volume 06/18/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of May 29, 2026

1-year trailing difference

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MCDS

is actively managed and doesn’t replicate an index

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	IWS	MCDS
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 6/18/2026 at 1:30 PM

Live

Closed

	IWS	MCDS
Last price	$162.95	$66.98
1D performance	+0.93%	+0.77%
AuM	$15.43 B	$8.03 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	636	174
Asset class	Equities	-
Trailing 12m distribution yield	Join	Join
Inception date	July 17, 2001	August 7, 2024
ESG	No	No

More IWS data on Trackinsight

More MCDS data on Trackinsight

Exposure

Countries

IWS

USA

93.95%

Other

6.05%

MCDS

USA

94.29%

Other

5.71%

Sectors

IWS

Industrials

15.63%

Financials

13.64%

Information Techn.

13.19%

Real Estate

8.04%

Energy

7.82%

Consumer Discreti.

7.67%

Other

34.01%

MCDS

Industrials

17.65%

Information Techn.

16.13%

Financials

13.29%

Consumer Discreti.

10.58%

Health Care

8.17%

Real Estate

7.05%

Other

27.13%

Diversification

IWS

Total weight of top 15 holdings out of 15

12.25%

MCDS

Total weight of top 15 holdings out of 15

19.44%

Top 15 holdings

Data as of April 30, 2026

IWS

US80004C2008

1.49%

WESTERN DIGITAL

1.40%

CORNING

1.22%

CUMMINS

0.88%

BANK OF NEW YORK MELLON

0.81%

VALERO ENERGY

0.73%

MARATHON PETROLEUM

0.71%

CIENA

0.71%

DIGITAL REALTY REIT

0.66%

BAKER HUGHES

0.66%

PHILLIPS 66

0.64%

KINDER MORGAN

0.61%

WARNER BROS. DISCOVERY

0.60%

UNITED RENTALS

0.58%

KEYSIGHT TECHNOLOGIES

0.57%

MCDS

WESTERN DIGITAL

2.35%

TERADYNE

1.90%

HOWMET AEROSPACE INC

1.59%

HILTON INC

1.30%

QUANTA SERVICES

1.25%

STATE STREET

1.22%

ROSS STORES

1.21%

WABTEC

1.16%

DOVER

1.15%

VERTIV HOLDINGS

1.08%

CARDINAL HEALTH

1.07%

MARATHON PETROLEUM

1.06%

CMS ENERGY

1.05%

M&T BANK

1.02%

ENTERGY

1.02%

Frequently asked questions about IWS and MCDS

How have the IWS and MCDS ETFs performed in 2026?

As of June 18, 2026, IWS is up 16.29% year-to-date (YTD), while MCDS has returned 14.51%. 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 -$1.03B in flows, compared to - for MCDS.

Which ETF is more volatile: IWS or MCDS?

Over the past year, IWS had a volatility of 13.56%, while MCDS experienced 13.41%.

Which ETF is bigger: IWS or MCDS?

As of June 18, 2026, IWS holds $15.43 B in assets under management (AUM), while MCDS manages $8.03 M.

What sectors do the IWS and MCDS ETFs invest in?

IWS leans toward sectors like Industrials, Financials and Information Technology. Meanwhile, MCDS focuses on Industrials, Information Technology and Financials.

IWSvsMCDSETF Comparison

iShares Russell Mid-Cap Value ETF

JPMorgan Fundamental Data Science Mid Core ETF

IWS vs MCDS performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the IWS and MCDS ETFs performed in 2026?

As of June 18, 2026, IWS is up 16.29% year-to-date (YTD), while MCDS has returned 14.51%. 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 -$1.03B in flows, compared to - for MCDS.

Which ETF is more volatile: IWS or MCDS?

Over the past year, IWS had a volatility of 13.56%, while MCDS experienced 13.41%.

Which ETF is bigger: IWS or MCDS?

As of June 18, 2026, IWS holds $15.43 B in assets under management (AUM), while MCDS manages $8.03 M.

What sectors do the IWS and MCDS ETFs invest in?

IWS leans toward sectors like Industrials, Financials and Information Technology. Meanwhile, MCDS focuses on Industrials, Information Technology and Financials.

What are the top holdings of the IWS ETF and MCDS ETF?

IWS top holdings include US80004C2008, WESTERN DIGITAL and CORNING. MCDS holds in its top three: WESTERN DIGITAL, TERADYNE and HOWMET AEROSPACE INC.

Which ETF is more diversified: IWS or MCDS?

IWS holds 713 securities with 12.25% of its assets in the top 15. MCDS has 180 securities and a top 15 weight of 19.44%.

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