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SMLFvsSMIZETF Comparison

ETF 1

SMLF

iShares U.S. Small-Cap Equity Factor ETF

This fund is part of

US Multi-Factor

-0.05%

Full SMLF fund page

VS

ETF 2

SMIZ

Zacks Small/Mid Cap ETF

This fund is part of

US Multi-Factor

-0.05%

Full SMIZ fund page

iShares U.S. Small-Cap Equity Factor ETF (SMLF) and Zacks Small/Mid Cap ETF (SMIZ) belong to the same industry segment: US Multi-Factor. SMLF's top 3 sector exposures are Industrials, Financials and Information Technology. In contrast, SMIZ's top sector exposures are Financials, Information Technology and Industrials. SMLF is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.87% for SMIZ. SMLF is up 8.09% year-to-date (YTD) with +$489M in YTD flows. SMIZ performs better with 10.43% YTD performance, and +$51M in YTD flows. Run a side-by-side ETF comparison of SMLF and SMIZ 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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SMLF vs SMIZ 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 04/29/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	SMLF SMIZ	+10.45%+14.19%	+2.79%+4.47%	+8.09%+10.43%	+33.06%+34.85%	+66.00%n/a	+57.38%n/a
Flows	SMLF SMIZ	+$48M+$23M	+$380M+$41M	+$489M+$51M	+$1.37B+$82M	+$1.98B-	+$1.95B-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	SMLF SMIZ	+20.41%+21.23%	+17.56%+16.85%	+19.94%n/a	+21.23%n/a
Max drawdown	SMLF SMIZ	-8.71%-10.50%	-8.74%-10.50%	-26.10%n/a	-26.10%n/a
Max drawdown duration	SMLF SMIZ	46d60d	81d60d	266dn/a	266dn/a

Trading data

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	SMLF	SMIZ
Last sale 4/30/2026 at 1:30 PM	$82.27	$40.66
Previous close 04/29/2026	$80.65	$40.86
Consolidated volume 04/29/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of March 31, 2026

1-year trailing difference

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SMIZ

is actively managed and doesn’t replicate an index

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	SMLF	SMIZ
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 4/30/2026 at 1:30 PM

Live

Closed

	SMLF	SMIZ
Last price	$82.27	$40.66
1D performance	+2.01%	-0.48%
AuM	$3.56 B	$238.13 M
E/R	0.15%	0.87%

Characteristics

	SMLF	SMIZ
Management strategy	Passive	Active
Provider	iShares	Zacks ETFs
Benchmark	STOXX U.S. Small-Cap Equity Factor USD Gross Return	-
N° of holdings	792	183
Asset class	Equities	-
Trailing 12m distribution yield	Join	Join
Inception date	April 28, 2015	October 3, 2023
ESG	No	No

More SMLF data on Trackinsight

More SMIZ data on Trackinsight

Exposure

Countries

SMLF

USA

90.67%

Other

9.33%

SMIZ

USA

85.39%

Other

14.61%

Sectors

SMLF

Industrials

16.29%

Financials

14.3%

Information Techn.

13.5%

Health Care

12.77%

Consumer Discreti.

11.28%

Other

31.87%

SMIZ

Financials

20.56%

Information Techn.

20.22%

Industrials

19.39%

Health Care

8.74%

Other

31.09%

Diversification

SMLF

Total weight of top 15 holdings out of 15

9.95%

SMIZ

Total weight of top 15 holdings out of 15

16.7%

Top 15 holdings

Data as of March 31, 2026

SMLF

EMCOR GROUP

1.20%

US0669224778

0.95%

NVENT ELECTRIC PLC

0.76%

JABIL CIRCUIT

0.75%

INTERACTIVE BROKERS GROUP

0.72%

TAPESTRY INC

0.70%

MUELLER INDUSTRIES

0.62%

STERLING INFRASTRUCTURE INC

0.59%

UTD THERAPEUT

0.58%

WILLIAMS SONOMA

0.54%

FLEX LTD

0.53%

INSMED

0.52%

NATERA

0.52%

IDACORP

0.49%

RELIANCE STEEL

0.47%

SMIZ

EMCOR GROUP

1.70%

COMFORT SYSTEMS USA

1.34%

MICHAEL STORES

1.21%

FABRINET

1.17%

KULICKE AND SOFFA INDUSTRIES

1.15%

NORTHERN TRUST

1.14%

MCKESSON

1.13%

HOWMET AEROSPACE INC

1.12%

ALLIED MOTION TECHNOLOGIES

1.10%

ARISTA NETWORKS

1.08%

ADVANCED ENERGY INDUSTRIES

0.97%

KRYSTAL BIOTECH INC

0.92%

CORNING

0.92%

AFFILIATED MANAGERS GROUP

0.90%

PHIBRO ANIMAL /D

0.87%

Frequently asked questions about SMLF and SMIZ

How have the SMLF and SMIZ ETFs performed in 2026?

As of April 29, 2026, SMLF is up 8.09% year-to-date (YTD), while SMIZ has returned 10.43%. That puts SMIZ better performer ahead so far this year.

Which ETF is attracting more investor money: SMLF or SMIZ?

Year-to-date, the SMLF ETF saw +$489M in flows, compared to +$51M for SMIZ.

Which ETF is more volatile: SMLF or SMIZ?

Over the past year, SMLF had a volatility of 17.56%, while SMIZ experienced 16.85%.

Which ETF is bigger: SMLF or SMIZ?

As of April 29, 2026, SMLF holds $3.56 B in assets under management (AUM), while SMIZ manages $238.13 M.

What sectors do the SMLF and SMIZ ETFs invest in?

SMLF leans toward sectors like Industrials, Financials and Information Technology. Meanwhile, SMIZ focuses on Financials, Information Technology and Industrials.

What are the top holdings of the SMLF ETF and SMIZ ETF?

SMLF top holdings include EMCOR GROUP, US0669224778 and NVENT ELECTRIC PLC. SMIZ holds in its top three: EMCOR GROUP, COMFORT SYSTEMS USA and MICHAEL STORES.

SMLFvsSMIZETF Comparison

iShares U.S. Small-Cap Equity Factor ETF

Zacks Small/Mid Cap ETF

SMLF vs SMIZ 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 SMLF and SMIZ ETFs performed in 2026?

As of April 29, 2026, SMLF is up 8.09% year-to-date (YTD), while SMIZ has returned 10.43%. That puts SMIZ better performer ahead so far this year.

Which ETF is attracting more investor money: SMLF or SMIZ?

Year-to-date, the SMLF ETF saw +$489M in flows, compared to +$51M for SMIZ.

Which ETF is more volatile: SMLF or SMIZ?

Over the past year, SMLF had a volatility of 17.56%, while SMIZ experienced 16.85%.

Which ETF is bigger: SMLF or SMIZ?

As of April 29, 2026, SMLF holds $3.56 B in assets under management (AUM), while SMIZ manages $238.13 M.

What sectors do the SMLF and SMIZ ETFs invest in?

SMLF leans toward sectors like Industrials, Financials and Information Technology. Meanwhile, SMIZ focuses on Financials, Information Technology and Industrials.

What are the top holdings of the SMLF ETF and SMIZ ETF?

SMLF top holdings include EMCOR GROUP, US0669224778 and NVENT ELECTRIC PLC. SMIZ holds in its top three: EMCOR GROUP, COMFORT SYSTEMS USA and MICHAEL STORES.

Which ETF is more diversified: SMLF or SMIZ?

SMLF holds 892 securities with 9.95% of its assets in the top 15. SMIZ has 186 securities and a top 15 weight of 16.7%.

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