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SIZEvsFEXETF Comparison

ETF 1
SIZE

iShares MSCI USA Size Factor ETF

This fund is part of
US Large Cap
+1.25%
VS
ETF 2
FEX

First Trust Large Cap Core AlphaDEX Fund ETF

This fund is part of
US Multi-Factor
+1.03%

iShares MSCI USA Size Factor ETF (SIZE) belongs to the US Large Cap segment. First Trust Large Cap Core AlphaDEX Fund ETF (FEX) is part of the US Multi-Factor segment. SIZE's top 3 sector exposures are Information Technology, Industrials and Financials. In contrast, FEX's top sector exposures are Industrials, Information Technology and Financials. SIZE is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.57% for FEX. SIZE is up 9.11% year-to-date (YTD) with -$556K in YTD flows. FEX performs better with 15.57% YTD performance, and -$5M in YTD flows. Run a side-by-side ETF comparison of SIZE and FEX 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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SIZE vs FEX performance and flow charts

Performance

0.02.04.06.08.0%May 18May 25Jun 1Jun 8Jun 15

Cumulative Flows

0 M2 M4 M6 M8 MMay 18May 25Jun 1Jun 8Jun 15

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Historic performance and flows
Data as of 06/18/2026
1M3MYTD1Y3Y5Y
Perf.
SIZE
FEX
+3.31%+5.48%
+10.05%+11.18%
+9.11%+15.57%
+18.63%+29.73%
+52.26%+72.25%
+50.64%+72.21%
Flows
SIZE
FEX
-$103K+$7M
+$8M+$13M
-$556K-$5M
+$31M-$39M
-$21M-$141M
-$538M-$210M
Volatility and drawdown
3M1Y3Y5Y
Volatility
SIZE
FEX
+13.77%+15.73%
+12.41%+13.10%
+14.62%+14.94%
+17.12%+16.95%
Max drawdown
SIZE
FEX
-2.98%-3.24%
-7.92%-6.27%
-18.57%-19.51%
-24.05%-21.53%
Max drawdown duration
SIZE
FEX
7d7d
49d47d
219d232d
820d757d
Trading data

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SIZE
FEX
Last sale
6/18/2026 at 1:30 PM
$175.40
$137.95
Previous close
06/18/2026
$174.39
$136.66
Consolidated volume
06/18/2026
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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SIZE
FEX
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 6/18/2026 at 1:30 PM
Live
Closed
SIZE
FEX
Last price
$175.40
$137.95
1D performance
+0.58%
+0.95%
AuM$420.63 M$1.58 B
E/R0.15%0.57%
Characteristics
SIZE
FEX
Management strategyPassivePassive
ProvideriSharesFirst Trust
BenchmarkMSCI USA Low Size IndexNASDAQ AlphaDEX Large Cap Core Index
N° of holdings502349
Asset classEquitiesEquities
Trailing 12m distribution yield
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Inception dateApril 16, 2013May 8, 2007
ESGNoNo
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Exposure

Countries

SIZE
USA
92.99%
Other
7.01%
FEX
USA
94.25%
Other
5.75%

Sectors

SIZE
Information Techn.
18.13%
Industrials
15.57%
Financials
12.11%
Consumer Discreti.
8.99%
Health Care
8.97%
Other
36.23%
FEX
Industrials
16.7%
Information Techn.
15.83%
Financials
13.86%
Health Care
8.32%
Consumer Discreti.
7.93%
Utilities
7.3%
Other
30.06%
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Diversification

SIZE

Total weight of top 15 holdings out of 15

5.52%
FEX

Total weight of top 15 holdings out of 15

9.24%

Top 15 holdings

Data as of April 30, 2026
SIZE
WESTERN DIGITAL
0.46%
CIENA
0.45%
INTEL-T
0.42%
SEAGATE TECHNOLOGY HOLDINGS PLC
0.41%
BLOOM ENERGY CORP
0.40%
ON SEMICONDUCTOR
0.38%
MICRON TECHNOLOGY
0.35%
TERADYNE
0.35%
KEYSIGHT TECHNOLOGIES
0.34%
COMFORT SYSTEMS USA
0.34%
DOW INC
0.34%
VERTIV HOLDINGS
0.33%
ECHOSTAR
0.32%
MARVELL TECHNOLOGY
0.32%
CORNING
0.32%
FEX
BLOOM ENERGY CORP
0.88%
US80004C2008
0.77%
SEAGATE TECHNOLOGY HOLDINGS PLC
0.76%
MICRON TECHNOLOGY
0.66%
WESTERN DIGITAL
0.66%
ADVANCED MICRO DEVICES
0.58%
CIENA
0.57%
QUANTA SERVICES
0.56%
COMFORT SYSTEMS USA
0.56%
LUMENTUM HOLDINGS
0.56%
MARVELL TECHNOLOGY
0.55%
VERTIV HOLDINGS
0.54%
MICHAEL STORES
0.53%
DELL TECHNOLOGIES INC
0.53%
MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC
0.53%
Frequently asked questions about SIZE and FEX

How have the SIZE and FEX ETFs performed in 2026?

As of June 18, 2026, SIZE is up 9.11% year-to-date (YTD), while FEX has returned 15.57%. That puts FEX better performer ahead so far this year.

Which ETF is attracting more investor money: SIZE or FEX?

Year-to-date, the SIZE ETF saw -$556K in flows, compared to -$5M for FEX.

Which ETF is more volatile: SIZE or FEX?

Over the past year, SIZE had a volatility of 12.41%, while FEX experienced 13.1%.

Which ETF is bigger: SIZE or FEX?

As of June 18, 2026, SIZE holds $420.63 M in assets under management (AUM), while FEX manages $1.58 B.

What sectors do the SIZE and FEX ETFs invest in?

SIZE leans toward sectors like Information Technology, Industrials and Financials. Meanwhile, FEX focuses on Industrials, Information Technology and Financials.

What are the top holdings of the SIZE ETF and FEX ETF?

SIZE top holdings include WESTERN DIGITAL, CIENA and INTEL-T. FEX holds in its top three: BLOOM ENERGY CORP, US80004C2008 and SEAGATE TECHNOLOGY HOLDINGS PLC.

Which ETF is more diversified: SIZE or FEX?

SIZE holds 539 securities with 5.52% of its assets in the top 15. FEX has 375 securities and a top 15 weight of 9.24%.

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Latest news about SIZE & FEX
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December 21, 2022
SIZE
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