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ISCBvsBRSMETF Comparison

ETF 1

ISCB

iShares Morningstar Small-Cap ETF

This fund is part of

US Small Cap

-0.96%

Full ISCB fund page

VS

ETF 2

BRSM

MFS Blended Research Small-Mid Cap ETF

This fund is part of

US Multi-Factor

-0.71%

Full BRSM fund page

iShares Morningstar Small-Cap ETF (ISCB) belongs to the US Small Cap segment. MFS Blended Research Small-Mid Cap ETF (BRSM) is part of the US Multi-Factor segment. ISCB's top 3 sector exposures are Finance, Healthcare and Technology. In contrast, BRSM's top sector exposures are Finance, Technology and Healthcare. ISCB is less expensive with a Total Expense Ratio (TER) of 0.04%, versus 0.38% for BRSM. Run a side-by-side ETF comparison of ISCB and BRSM 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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ISCB vs BRSM 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 09/10/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	ISCB BRSM	-4.20%-3.08%	+3.13%+4.73%	+13.37%n/a	+18.04%n/a	+55.71%n/a	+38.84%n/a
Flows	ISCB BRSM	--	-$146K+$6M	-$7M-	-$10M-	-$25M-	-$26M-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	ISCB BRSM	+13.30%+14.55%	+16.18%n/a	+19.44%n/a	+21.31%n/a
Max drawdown	ISCB BRSM	-5.58%-4.93%	-9.38%n/a	-25.75%n/a	-30.04%n/a
Max drawdown duration	ISCB BRSM	25d25d	65dn/a	289dn/a	1067dn/a

Trading data

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	ISCB	BRSM
Last sale 9/11/2026 at 1:30 PM	$73.73	$25.35
Previous close 09/10/2026	$73.25	$25.59
Consolidated volume 09/10/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of August 31, 2026

1-year trailing difference

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BRSM

is actively managed and doesn’t replicate an index

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	ISCB	BRSM
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 9/11/2026 at 1:30 PM

Live

Closed

	ISCB	BRSM
Last price	$73.73	$25.35
1D performance	+0.66%	-0.96%
AuM	$278.35 M	$26.86 M
E/R	0.04%	0.38%

Characteristics

	ISCB	BRSM
Management strategy	Passive	Active
Provider	iShares	MFS
Benchmark	Morningstar US Small Cap Extended Index	-
N° of holdings	1554	311
Asset class	Equities	-
Trailing 12m distribution yield	Join	Join
Inception date	June 28, 2004	June 3, 2026
ESG	No	No

More ISCB data on Trackinsight

More BRSM data on Trackinsight

Exposure

Countries

ISCB

USA

96.5%

Other

3.5%

BRSM

USA

91.96%

Other

8.04%

Sectors

ISCB

Finance

25.95%

Healthcare

14.99%

Technology

13.35%

Industrials

13.2%

Other

32.51%

BRSM

Finance

25.21%

Technology

14.85%

Healthcare

13.87%

Industrials

12.31%

Non-Energy Materi.

8.38%

Other

25.38%

Diversification

ISCB

Total weight of top 15 holdings out of 15

4.21%

BRSM

Total weight of top 15 holdings out of 15

14.45%

Top 15 holdings

Data as of July 31, 2026

ISCB

Okta, Inc.

0.37%

BlackRock Cash Funds - Treasury

0.36%

Guardant Health, Inc.

0.31%

Roku, Inc.

0.30%

Neurocrine Biosciences, Inc.

0.29%

Sterling Infrastructure, Inc.

0.28%

Best Buy Co., Inc.

0.27%

Host Hotels & Resorts, Inc.

0.27%

Jones Lang LaSalle, Inc.

0.26%

Akamai Technologies, Inc.

0.26%

Jazz Pharmaceuticals Plc

0.26%

IDEX Corp.

0.25%

Nutanix, Inc.

0.25%

Atlassian Corp.

0.24%

Healthpeak Properties, Inc.

0.24%

BRSM

Aramark

1.08%

TechnipFMC plc

1.07%

Lincoln National Corp.

1.04%

Popular, Inc.

1.04%

Roku, Inc.

1.03%

Everest Group Ltd.

1.00%

Universal Health Services, Inc.

0.99%

Box, Inc.

0.96%

Cathay General Bancorp

0.92%

UMB Financial Corp.

0.92%

Bill Holdings, Inc.

0.91%

Talen Energy Corp.

0.91%

The Timken Co.

0.87%

Essential Properties Realty Trust, Inc.

0.86%

nVent Electric Plc

0.85%

Frequently asked questions about ISCB and BRSM

Which ETF is bigger: ISCB or BRSM?

As of September 10, 2026, ISCB holds $278.35 M in assets under management (AUM), while BRSM manages $26.86 M.

What sectors do the ISCB and BRSM ETFs invest in?

ISCB leans toward sectors like Finance, Healthcare and Technology. Meanwhile, BRSM focuses on Finance, Technology and Healthcare.

What are the top holdings of the ISCB ETF and BRSM ETF?

ISCB top holdings include Okta, Inc., BlackRock Cash Funds - Treasury and Guardant Health, Inc.. BRSM holds in its top three: Aramark, TechnipFMC plc and Lincoln National Corp..

ISCBvsBRSMETF Comparison

iShares Morningstar Small-Cap ETF

MFS Blended Research Small-Mid Cap ETF

ISCB vs BRSM 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

Which ETF is bigger: ISCB or BRSM?

As of September 10, 2026, ISCB holds $278.35 M in assets under management (AUM), while BRSM manages $26.86 M.

What sectors do the ISCB and BRSM ETFs invest in?

ISCB leans toward sectors like Finance, Healthcare and Technology. Meanwhile, BRSM focuses on Finance, Technology and Healthcare.

What are the top holdings of the ISCB ETF and BRSM ETF?

ISCB top holdings include Okta, Inc., BlackRock Cash Funds - Treasury and Guardant Health, Inc.. BRSM holds in its top three: Aramark, TechnipFMC plc and Lincoln National Corp..

Which ETF is more diversified: ISCB or BRSM?

ISCB holds 1571 securities with 4.21% of its assets in the top 15. BRSM has 311 securities and a top 15 weight of 14.45%.

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