RSPvsIMCBETF Comparison

ETF 1

RSP

Invesco S&P 500® Equal Weight ETF

This fund is part of

US Large Cap

-0.46%

Full RSP fund page

ETF 2

IMCB

iShares Morningstar Mid-Cap ETF

This fund is part of

US Mid Cap

-0.56%

Full IMCB fund page

Invesco S&P 500® Equal Weight ETF (RSP) belongs to the US Large Cap segment. iShares Morningstar Mid-Cap ETF (IMCB) is part of the US Mid Cap segment. RSP's top 3 sector exposures are Finance, Technology and Industrials. In contrast, IMCB's top sector exposures are Finance, Industrials and Technology. RSP is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.04% for IMCB. RSP is up 14.39% year-to-date (YTD) with +$13.41B in YTD flows. IMCB performs better with 18.86% YTD performance, and +$79M in YTD flows. Run a side-by-side ETF comparison of RSP and IMCB 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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RSP vs IMCB 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 10/23/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	RSP IMCB	+2.47%+1.61%	+2.56%+1.44%	+14.39%+18.86%	+15.32%+18.72%	+66.90%+77.58%	+48.11%+47.96%
Flows	RSP IMCB	+$328M+$24M	+$1.40B+$69M	+$13.41B+$79M	+$15.11B+$264M	+$32.82B+$463M	+$46.02B+$394M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	RSP IMCB	+10.38%+10.59%	+11.51%+12.88%	+13.83%+15.02%	+16.10%+17.66%
Max drawdown	RSP IMCB	-6.29%-6.39%	-7.88%-8.06%	-17.79%-19.88%	-21.48%-25.13%
Max drawdown duration	RSP IMCB	68d68d	65d49d	220d238d	752d835d

Trading data

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	RSP	IMCB
Last sale 10/23/2026 at 1:30 PM	$216.54	$97.44
Previous close 10/22/2026	$218.22	$98.01
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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	RSP	IMCB
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/23/2026 at 1:30 PM

Live

Closed

	RSP	IMCB
Last price	$216.54	$97.44
1D performance	-0.77%	-0.58%
AuM	$99.34 B	$1.73 B
E/R	0.2%	0.04%

Characteristics

	RSP	IMCB
Management strategy	Passive	Passive
Provider	Invesco	iShares
Benchmark	S&P 500 Equal Weight Index	Morningstar U.S. Mid Cap Index
N° of holdings	500	389
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	April 24, 2003	June 28, 2004
ESG	No	No

More RSP data on Trackinsight

More IMCB data on Trackinsight

Exposure

Countries

RSP

USA

95.45%

Other

4.55%

IMCB

USA

95.99%

Other

4.01%

Sectors

RSP

Finance

20.85%

Technology

15.45%

Industrials

13.72%

Healthcare

12.88%

Consumer Non-Cycl.

7.45%

Other

29.66%

IMCB

Finance

19.59%

Industrials

15.04%

Technology

15.04%

Healthcare

9.63%

Energy

7.94%

Non-Energy Materi.

7.5%

Other

25.27%

Diversification

RSP

Total weight of top 15 holdings out of 15

4.52%

IMCB

Total weight of top 15 holdings out of 15

10.61%

Top 15 holdings

Data as of August 31, 2026

RSP

Moderna, Inc.

0.58%

Veeva Systems, Inc.

0.32%

Zebra Technologies Corp.

0.31%

Charles River Laboratories International, Inc.

0.30%

DoorDash, Inc.

0.29%

PayPal Holdings, Inc.

0.28%

Global Payments, Inc.

0.28%

Salesforce, Inc.

0.28%

Expedia Group, Inc.

0.27%

Palo Alto Networks, Inc.

0.27%

IQVIA Holdings, Inc.

0.27%

Palantir Technologies, Inc.

0.27%

Airbnb, Inc.

0.27%

Newmont Corp.

0.27%

CrowdStrike Holdings, Inc.

0.26%

IMCB

Dell Technologies, Inc.

0.89%

Automatic Data Processing, Inc.

0.78%

Snowflake, Inc.

0.76%

Freeport-McMoRan, Inc.

0.74%

Marathon Petroleum Corp.

0.74%

The Bank of New York Mellon Corp.

0.73%

Fortinet, Inc.

0.72%

Valero Energy Corp.

0.72%

Phillips 66

0.68%

Cloudflare, Inc.

0.66%

The PNC Financial Services Group, Inc.

0.66%

U.S. Bancorp

0.65%

CSX Corp.

0.64%

The Williams Cos., Inc.

0.62%

3M Co.

0.61%

Frequently asked questions about RSP and IMCB

How have the RSP and IMCB ETFs performed in 2026?

As of October 23, 2026, RSP is up 14.39% year-to-date (YTD), while IMCB has returned 18.86%. That puts IMCB better performer ahead so far this year.

Which ETF is attracting more investor money: RSP or IMCB?

Year-to-date, the RSP ETF saw +$13.41B in flows, compared to +$79M for IMCB.

Which ETF is more volatile: RSP or IMCB?

Over the past year, RSP had a volatility of 11.51%, while IMCB experienced 12.88%.

Which ETF is bigger: RSP or IMCB?

As of October 23, 2026, RSP holds $99.34 B in assets under management (AUM), while IMCB manages $1.73 B.

What sectors do the RSP and IMCB ETFs invest in?

RSP leans toward sectors like Finance, Technology and Industrials. Meanwhile, IMCB focuses on Finance, Industrials and Technology.

What are the top holdings of the RSP ETF and IMCB ETF?

RSP top holdings include Moderna, Inc., Veeva Systems, Inc. and Zebra Technologies Corp.. IMCB holds in its top three: Dell Technologies, Inc., Automatic Data Processing, Inc. and Snowflake, Inc..

RSPvsIMCBETF Comparison

Invesco S&P 500® Equal Weight ETF

iShares Morningstar Mid-Cap ETF

RSP vs IMCB 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 RSP and IMCB ETFs performed in 2026?

As of October 23, 2026, RSP is up 14.39% year-to-date (YTD), while IMCB has returned 18.86%. That puts IMCB better performer ahead so far this year.

Which ETF is attracting more investor money: RSP or IMCB?

Year-to-date, the RSP ETF saw +$13.41B in flows, compared to +$79M for IMCB.

Which ETF is more volatile: RSP or IMCB?

Over the past year, RSP had a volatility of 11.51%, while IMCB experienced 12.88%.

Which ETF is bigger: RSP or IMCB?

As of October 23, 2026, RSP holds $99.34 B in assets under management (AUM), while IMCB manages $1.73 B.

What sectors do the RSP and IMCB ETFs invest in?

RSP leans toward sectors like Finance, Technology and Industrials. Meanwhile, IMCB focuses on Finance, Industrials and Technology.

What are the top holdings of the RSP ETF and IMCB ETF?

RSP top holdings include Moderna, Inc., Veeva Systems, Inc. and Zebra Technologies Corp.. IMCB holds in its top three: Dell Technologies, Inc., Automatic Data Processing, Inc. and Snowflake, Inc..

Which ETF is more diversified: RSP or IMCB?

RSP holds 503 securities with 4.52% of its assets in the top 15. IMCB has 394 securities and a top 15 weight of 10.61%.

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