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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

-0.79%

Full SMLF fund page

VS

ETF 2

SMIZ

Zacks Small/Mid Cap ETF

This fund is part of

US Multi-Factor

-0.79%

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, Information Technology and Financials. In contrast, SMIZ's top sector exposures are Information Technology, Financials and Industrials. SMLF is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.6% for SMIZ. SMLF is up 15.15% year-to-date (YTD) with +$706M in YTD flows. SMIZ performs better with 16.26% YTD performance, and +$68M 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 06/17/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	SMLF SMIZ	+5.13%+4.80%	+13.44%+15.05%	+15.15%+16.26%	+32.36%+32.87%	+68.82%n/a	+70.96%n/a
Flows	SMLF SMIZ	+$163M+$10M	+$284M+$37M	+$706M+$68M	+$1.54B+$94M	+$2.24B-	+$2.14B-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	SMLF SMIZ	+19.66%+20.80%	+17.54%+17.20%	+19.90%n/a	+21.25%n/a
Max drawdown	SMLF SMIZ	-4.58%-5.01%	-8.74%-10.50%	-26.10%n/a	-26.10%n/a
Max drawdown duration	SMLF SMIZ	16d12d	81d60d	266dn/a	266dn/a

Trading data

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	SMLF	SMIZ
Last sale 6/18/2026 at 1:48 PM	$86.59	$43.02
Previous close 06/17/2026	$86.62	$43.52
Consolidated volume 06/17/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of May 29, 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 6/18/2026 at 1:48 PM

Live

Closed

	SMLF	SMIZ
Last price	$86.59	$43.02
1D performance	-0.03%	-1.13%
AuM	$4.00 B	$267.90 M
E/R	0.15%	0.6%

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	787	182
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

90.33%

Other

9.67%

SMIZ

USA

85.95%

Other

14.05%

Sectors

SMLF

Industrials

17.08%

Information Techn.

14.57%

Financials

14.28%

Health Care

11.57%

Consumer Discreti.

11.07%

Other

31.42%

SMIZ

Information Techn.

22.16%

Financials

21.03%

Industrials

18.9%

Health Care

7.86%

Other

30.04%

Diversification

SMLF

Total weight of top 15 holdings out of 15

10.31%

SMIZ

Total weight of top 15 holdings out of 15

16.6%

Top 15 holdings

Data as of April 30, 2026

SMLF

EMCOR GROUP

1.34%

JABIL CIRCUIT

0.88%

NVENT ELECTRIC PLC

0.85%

INTERACTIVE BROKERS GROUP

0.78%

US0669224778

0.71%

MUELLER INDUSTRIES

0.70%

STERLING INFRASTRUCTURE INC

0.69%

FLEX LTD

0.69%

TAPESTRY INC

0.67%

RELIANCE STEEL

0.52%

UTD THERAPEUT

0.51%

WILLIAMS SONOMA

0.50%

ARGAN

0.50%

NATERA

0.50%

POPULAR

0.48%

SMIZ

EMCOR GROUP

1.79%

COMFORT SYSTEMS USA

1.51%

MICHAEL STORES

1.27%

NORTHERN TRUST

1.23%

COMMVAULT SYSTEMS

1.21%

KULICKE AND SOFFA INDUSTRIES

1.06%

ADVANCED ENERGY INDUSTRIES

1.00%

MCKESSON

0.99%

ALLIED MOTION TECHNOLOGIES

0.98%

FABRINET

0.96%

ARISTA NETWORKS

0.94%

CORNING

0.94%

CREDO TECHNOLOGY GROUP HOLDING

0.91%

WESTERN DIGITAL

0.91%

PRIMORIS SERVICES

0.90%

Frequently asked questions about SMLF and SMIZ

How have the SMLF and SMIZ ETFs performed in 2026?

As of June 17, 2026, SMLF is up 15.15% year-to-date (YTD), while SMIZ has returned 16.26%. 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 +$706M in flows, compared to +$68M for SMIZ.

Which ETF is more volatile: SMLF or SMIZ?

Over the past year, SMLF had a volatility of 17.54%, while SMIZ experienced 17.2%.

Which ETF is bigger: SMLF or SMIZ?

As of June 17, 2026, SMLF holds $4.00 B in assets under management (AUM), while SMIZ manages $267.90 M.

What sectors do the SMLF and SMIZ ETFs invest in?

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

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

SMLF top holdings include EMCOR GROUP, JABIL CIRCUIT 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 June 17, 2026, SMLF is up 15.15% year-to-date (YTD), while SMIZ has returned 16.26%. 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 +$706M in flows, compared to +$68M for SMIZ.

Which ETF is more volatile: SMLF or SMIZ?

Over the past year, SMLF had a volatility of 17.54%, while SMIZ experienced 17.2%.

Which ETF is bigger: SMLF or SMIZ?

As of June 17, 2026, SMLF holds $4.00 B in assets under management (AUM), while SMIZ manages $267.90 M.

What sectors do the SMLF and SMIZ ETFs invest in?

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

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

SMLF top holdings include EMCOR GROUP, JABIL CIRCUIT 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 887 securities with 10.31% of its assets in the top 15. SMIZ has 185 securities and a top 15 weight of 16.6%.

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