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WSMLvsBRSMETF Comparison

ETF 1

WSML

iShares MSCI World Small-Cap ETF

This fund is part of

DM Small Cap

-0.1%

Full WSML fund page

VS

ETF 2

BRSM

MFS Blended Research Small-Mid Cap ETF

This fund is part of

US Multi-Factor

+0.49%

Full BRSM fund page

iShares MSCI World Small-Cap ETF (WSML) belongs to the DM Small Cap segment. MFS Blended Research Small-Mid Cap ETF (BRSM) is part of the US Multi-Factor segment. WSML's top 3 sector exposures are Finance, Industrials and Technology. In contrast, BRSM's top sector exposures are Finance, Technology and Healthcare. WSML is less expensive with a Total Expense Ratio (TER) of 0.3%, versus 0.38% for BRSM. Run a side-by-side ETF comparison of WSML 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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WSML 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 10/29/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	WSML BRSM	+1.38%+4.18%	+1.55%+2.17%	+14.38%n/a	+17.20%n/a	n/an/a	n/an/a
Flows	WSML BRSM	-+$253K	+$14M+$771K	-$189M-	-$177M-	--	--

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	WSML BRSM	+12.56%+12.24%	+15.16%n/a	n/an/a	n/an/a
Max drawdown	WSML BRSM	-7.34%-7.38%	-10.19%n/a	n/an/a	n/an/a
Max drawdown duration	WSML BRSM	74d74d	49dn/a	n/an/a	n/an/a

Trading data

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	WSML	BRSM
Last sale 10/30/2026 at 3:25 PM	$34.02	$25.77
Previous close 10/29/2026	$34.37	$25.77
Consolidated volume 10/29/2026
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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	WSML	BRSM
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/30/2026 at 3:25 PM

Live

Closed

	WSML	BRSM
Last price	$34.02	$25.77
1D performance	-1.00%	+0.00%
AuM	$668.76 M	$27.60 M
E/R	0.3%	0.38%

Characteristics

	WSML	BRSM
Management strategy	Passive	Active
Provider	iShares	MFS
Benchmark	MSCI World Small Cap Index	-
N° of holdings	3648	314
Asset class	Equities	-
Trailing 12m distribution yield	Join	Join
Inception date	April 1, 2025	June 3, 2026
ESG	No	No

More WSML data on Trackinsight

More BRSM data on Trackinsight

Exposure

Countries

WSML

USA

59.27%

Japan

12.87%

Other

27.86%

BRSM

USA

92.26%

Other

7.74%

Sectors

WSML

Finance

22.82%

Industrials

14.67%

Technology

13.6%

Healthcare

11.68%

Non-Energy Materi.

10.76%

Other

26.48%

BRSM

Finance

23.73%

Technology

16.39%

Healthcare

14.49%

Industrials

12.08%

Non-Energy Materi.

8.64%

Other

24.67%

Diversification

WSML

Total weight of top 15 holdings out of 15

3.47%

BRSM

Total weight of top 15 holdings out of 15

14.19%

Top 15 holdings

Data as of September 30, 2026

WSML

Moderna, Inc.

0.62%

BlackRock Cash Funds - Treasury

0.42%

Tenet Healthcare Corp.

0.21%

Guardant Health, Inc.

0.21%

Viatris, Inc.

0.20%

US Foods Holding Corp.

0.20%

Roku, Inc.

0.19%

Royal Gold, Inc.

0.19%

Woodward, Inc.

0.19%

MACOM Technology Solutions Holdings, Inc.

0.18%

Rubrik, Inc.

0.18%

TD SYNNEX Corp.

0.17%

ITT, Inc.

0.17%

Zebra Technologies Corp.

0.17%

MKS, Inc.

0.17%

BRSM

Roku, Inc.

1.11%

Okta, Inc.

1.06%

Box, Inc.

1.04%

Aramark

1.04%

Everest Group Ltd.

1.00%

Lincoln National Corp.

0.95%

Popular, Inc.

0.94%

nVent Electric Plc

0.91%

Cathay General Bancorp

0.89%

Gap, Inc.

0.89%

Bill Holdings, Inc.

0.88%

Talen Energy Corp.

0.87%

Ryman Hospitality Properties, Inc.

0.87%

Universal Health Services, Inc.

0.87%

UGI Corp.

0.86%

Frequently asked questions about WSML and BRSM

Which ETF is bigger: WSML or BRSM?

As of October 29, 2026, WSML holds $668.76 M in assets under management (AUM), while BRSM manages $27.60 M.

What sectors do the WSML and BRSM ETFs invest in?

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

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

WSML top holdings include Moderna, Inc., BlackRock Cash Funds - Treasury and Tenet Healthcare Corp.. BRSM holds in its top three: Roku, Inc., Okta, Inc. and Box, Inc..

WSMLvsBRSMETF Comparison

iShares MSCI World Small-Cap ETF

MFS Blended Research Small-Mid Cap ETF

WSML 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: WSML or BRSM?

As of October 29, 2026, WSML holds $668.76 M in assets under management (AUM), while BRSM manages $27.60 M.

What sectors do the WSML and BRSM ETFs invest in?

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

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

WSML top holdings include Moderna, Inc., BlackRock Cash Funds - Treasury and Tenet Healthcare Corp.. BRSM holds in its top three: Roku, Inc., Okta, Inc. and Box, Inc..

Which ETF is more diversified: WSML or BRSM?

WSML holds 3669 securities with 3.47% of its assets in the top 15. BRSM has 314 securities and a top 15 weight of 14.19%.

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