SMLFvsSMIZETF Comparison
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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 Finance, Technology and Healthcare. In contrast, SMIZ's top sector exposures are Finance, Technology and Industrials. SMLF is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.6% for SMIZ. SMLF is up 15.07% year-to-date (YTD) with +$856M in YTD flows. SMIZ performs worse with 12.51% YTD performance, and +$86M 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
Historic performance and flows
Data as of 09/14/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SMLF SMIZ | -5.52%-3.25% | -1.76%-2.57% | +15.07%+12.51% | +16.19%+11.83% | +64.21%n/a | +68.00%n/a |
| Flows | SMLF SMIZ | +$40M+$6M | +$154M+$24M | +$856M+$86M | +$1.38B+$107M | +$2.49B- | +$2.25B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SMLF SMIZ | +14.29%+16.52% | +17.36%+17.92% | +19.91%n/a | +21.14%n/a |
| Max drawdown | SMLF SMIZ | -5.84%-7.79% | -8.74%-10.50% | -26.10%n/a | -26.10%n/a |
| Max drawdown duration | SMLF SMIZ | 29d73d | 81d60d | 266dn/a | 266dn/a |
Trading data
SMLF | SMIZ | |
Last sale 9/15/2026 at 1:30 PM | $84.89 | $40.93 |
| Previous close 09/14/2026 | $85.67 | $41.20 |
| Consolidated volume 09/14/2026 | ||
| 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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SMIZ
is actively managed and doesn’t replicate an indexSMLF | SMIZ | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/15/2026 at 1:30 PM
Live
Closed
SMLF | SMIZ | |
|---|---|---|
| Last price | $84.89 | $40.93 |
| 1D performance | -0.91% | -0.65% |
| AuM | $4.14 B | $276.96 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 | 890 | 199 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 28, 2015 | October 3, 2023 |
| ESG | No | No |
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Exposure
Countries
SMLF
USA
93.28%
Other
6.72%
SMIZ
USA
93.02%
Other
6.98%
Sectors
SMLF
Finance
21.93%
Technology
17.24%
Healthcare
14.67%
Industrials
13.83%
Non-Energy Materi.
7.45%
Consumer Cyclical.
7.14%
Other
17.75%
SMIZ
Finance
25.18%
Technology
21.02%
Industrials
18.7%
Healthcare
8.87%
Other
26.23%
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Diversification
SMLF
Total weight of top 15 holdings out of 15
10.16%
SMIZ
Total weight of top 15 holdings out of 15
16.01%
Top 15 holdings
Data as of July 31, 2026
SMLF
EMCOR Group, Inc.
0.95%
Interactive Brokers Group, Inc.
0.86%
BlackRock Cash Funds - Treasury
0.83%
Flex Ltd.
0.77%
nVent Electric Plc
0.75%
Jabil, Inc.
0.74%
Astera Labs, Inc.
0.67%
Tapestry, Inc.
0.66%
Natera, Inc.
0.62%
Williams-Sonoma, Inc.
0.62%
Mueller Industries, Inc.
0.59%
Reliance, Inc.
0.55%
Popular, Inc.
0.54%
Tenet Healthcare Corp.
0.51%
Credo Technology Group Holding Ltd.
0.50%
SMIZ
EMCOR Group, Inc.
1.61%
Comfort Systems USA, Inc.
1.48%
Vestis Corp.
1.27%
Kulicke & Soffa Industries, Inc.
1.11%
Credo Technology Group Holding Ltd.
1.10%
Affiliated Managers Group, Inc.
1.05%
Northern Trust Corp.
1.02%
Arista Networks, Inc.
1.01%
Howmet Aerospace, Inc.
0.96%
Amphenol Corp.
0.95%
Expedia Group, Inc.
0.93%
Carpenter Technology Corp.
0.91%
Arrow Electronics, Inc.
0.88%
MasTec, Inc.
0.87%
Sterling Infrastructure, Inc.
0.86%
Frequently asked questions about SMLF and SMIZ
How have the SMLF and SMIZ ETFs performed in 2026?
As of September 14, 2026, SMLF is up 15.07% year-to-date (YTD), while SMIZ has returned 12.51%. That puts SMLF better performer ahead so far this year.
Which ETF is attracting more investor money: SMLF or SMIZ?
Year-to-date, the SMLF ETF saw +$856M in flows, compared to +$86M for SMIZ.
Which ETF is more volatile: SMLF or SMIZ?
Over the past year, SMLF had a volatility of 17.36%, while SMIZ experienced 17.92%.
Which ETF is bigger: SMLF or SMIZ?
As of September 14, 2026, SMLF holds $4.14 B in assets under management (AUM), while SMIZ manages $276.96 M.
What sectors do the SMLF and SMIZ ETFs invest in?
SMLF leans toward sectors like Finance, Technology and Healthcare. Meanwhile, SMIZ focuses on Finance, Technology and Industrials.
What are the top holdings of the SMLF ETF and SMIZ ETF?
SMLF top holdings include EMCOR Group, Inc., Interactive Brokers Group, Inc. and BlackRock Cash Funds - Treasury. SMIZ holds in its top three: EMCOR Group, Inc., Comfort Systems USA, Inc. and Vestis Corp..
Which ETF is more diversified: SMLF or SMIZ?
SMLF holds 891 securities with 10.16% of its assets in the top 15. SMIZ has 200 securities and a top 15 weight of 16.01%.
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