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BRSMvsVBETF Comparison

ETF 1

BRSM

MFS Blended Research Small-Mid Cap ETF

This fund is part of

US Multi-Factor

+0.62%

Full BRSM fund page

VS

ETF 2

VB

Vanguard Morningstar Small-Cap ETF

This fund is part of

US Small Cap

+1.49%

Full VB fund page

MFS Blended Research Small-Mid Cap ETF (BRSM) belongs to the US Multi-Factor segment. Vanguard Morningstar Small-Cap ETF (VB) is part of the US Small Cap segment. BRSM's top 3 sector exposures are Finance, Technology and Healthcare. In contrast, VB's top sector exposures are Finance, Technology and Industrials. BRSM is more expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.03% for VB. Run a side-by-side ETF comparison of BRSM and VB 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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BRSM vs VB 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 10/20/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	BRSM VB	-0.06%-0.80%	-0.65%-1.84%	n/a+12.76%	n/a+13.70%	n/a+66.74%	n/a+35.26%
Flows	BRSM VB	--$326M	+$2M+$167M	-+$810M	-+$770M	-+$9.45B	-+$12.86B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	BRSM VB	+12.65%+13.03%	n/a+15.78%	n/a+18.55%	n/a+20.54%
Max drawdown	BRSM VB	-7.38%-7.96%	n/a-8.96%	n/a-25.25%	n/a-28.14%
Max drawdown duration	BRSM VB	65d65d	n/a48d	n/a296d	n/a980d

Trading data

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	BRSM	VB
Last sale 10/21/2026 at 1:30 PM	$25.32	$289.30
Previous close 10/20/2026	$25.20	$288.04
Consolidated volume 10/20/2026
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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BRSM

is actively managed and doesn’t replicate an index

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

Main metrics

Last update 10/21/2026 at 1:30 PM

Live

Closed

	BRSM	VB
Last price	$25.32	$289.30
1D performance	+0.49%	+0.44%
AuM	$26.71 M	$77.84 B
E/R	0.38%	0.03%

Characteristics

	BRSM	VB
Management strategy	Active	Passive
Provider	MFS	Vanguard
Benchmark	-	CRSP U.S. Small Cap Index
N° of holdings	311	1291
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	June 3, 2026	January 26, 2004
ESG	No	No

More BRSM data on Trackinsight

More VB data on Trackinsight

Exposure

Countries

BRSM

USA

92.06%

Other

7.94%

VB

USA

95.23%

Other

4.77%

Sectors

BRSM

Finance

24.53%

Technology

15.77%

Healthcare

14.22%

Industrials

11.6%

Non-Energy Materi.

8.73%

Other

25.15%

VB

Finance

21.78%

Technology

14.86%

Industrials

14.57%

Healthcare

13.45%

Non-Energy Materi.

8.44%

Other

26.9%

Diversification

BRSM

Total weight of top 15 holdings out of 15

14.29%

VB

Total weight of top 15 holdings out of 15

6.19%

Top 15 holdings

Data as of August 31, 2026

BRSM

TechnipFMC plc

1.14%

Roku, Inc.

1.09%

Box, Inc.

1.06%

Aramark

1.04%

Universal Health Services, Inc.

0.98%

Everest Group Ltd.

0.98%

Bill Holdings, Inc.

0.97%

Popular, Inc.

0.97%

Lincoln National Corp.

0.95%

UGI Corp.

0.88%

UMB Financial Corp.

0.87%

Cathay General Bancorp

0.87%

Okta, Inc.

0.83%

Gap, Inc.

0.83%

AGCO Corp.

0.82%

VB

Moderna, Inc.

0.62%

Natera, Inc.

0.54%

Revolution Medicines, Inc.

0.51%

Credo Technology Group Holding Ltd.

0.46%

Twilio, Inc.

0.44%

EMCOR Group, Inc.

0.40%

Jabil, Inc.

0.40%

TechnipFMC plc

0.38%

Illumina, Inc.

0.38%

Everpure, Inc.

0.36%

Okta, Inc.

0.36%

ATI, Inc.

0.34%

Casey's General Stores, Inc.

0.34%

Atmos Energy Corp.

0.34%

Williams-Sonoma, Inc.

0.33%

Frequently asked questions about BRSM and VB

Which ETF is bigger: BRSM or VB?

As of October 20, 2026, BRSM holds $26.71 M in assets under management (AUM), while VB manages $77.84 B.

What sectors do the BRSM and VB ETFs invest in?

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

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

BRSM top holdings include TechnipFMC plc, Roku, Inc. and Box, Inc.. VB holds in its top three: Moderna, Inc., Natera, Inc. and Revolution Medicines, Inc..

Which ETF is more diversified: BRSM or VB?

BRSM holds 311 securities with 14.29% of its assets in the top 15. VB has 1302 securities and a top 15 weight of 6.19%.

Small Cap ETFs Among the Week’s Top Performers

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VB

BRSMvsVBETF Comparison

MFS Blended Research Small-Mid Cap ETF

Vanguard Morningstar Small-Cap ETF

BRSM vs VB 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: BRSM or VB?

As of October 20, 2026, BRSM holds $26.71 M in assets under management (AUM), while VB manages $77.84 B.

What sectors do the BRSM and VB ETFs invest in?

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

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

BRSM top holdings include TechnipFMC plc, Roku, Inc. and Box, Inc.. VB holds in its top three: Moderna, Inc., Natera, Inc. and Revolution Medicines, Inc..

Which ETF is more diversified: BRSM or VB?

BRSM holds 311 securities with 14.29% of its assets in the top 15. VB has 1302 securities and a top 15 weight of 6.19%.

Small Cap ETFs Among the Week’s Top Performers

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