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XOEFvsSIZEETF Comparison

ETF 1

XOEF

iShares S&P 500 ex S&P 100 ETF

This fund is part of

US Large Cap

-1.05%

Full XOEF fund page

VS

ETF 2

SIZE

iShares MSCI USA Size Factor ETF

This fund is part of

US Large Cap

-1.05%

Full SIZE fund page

iShares S&P 500 ex S&P 100 ETF (XOEF) and iShares MSCI USA Size Factor ETF (SIZE) belong to the same industry segment: US Large Cap. XOEF's top 3 sector exposures are Technology, Finance and Industrials. In contrast, SIZE's top sector exposures are Finance, Technology and Industrials. XOEF is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.15% for SIZE. XOEF is up 14.55% year-to-date (YTD) with +$4M in YTD flows. SIZE performs worse with 10.8% YTD performance, and -$556K in YTD flows. Run a side-by-side ETF comparison of XOEF and SIZE 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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XOEF vs SIZE 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 07/17/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	XOEF SIZE	+0.01%+2.05%	+4.38%+5.10%	+14.55%+10.80%	+19.60%+15.52%	n/a+47.84%	n/a+52.42%
Flows	XOEF SIZE	+$1M-	+$1M-$103K	+$4M-$556K	+$6M+$24M	--$21M	--$364M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	XOEF SIZE	+12.22%+11.09%	+12.94%+12.28%	n/a+14.55%	n/a+17.09%
Max drawdown	XOEF SIZE	-2.47%-2.26%	-7.63%-7.92%	n/a-18.57%	n/a-24.05%
Max drawdown duration	XOEF SIZE	7d8d	49d49d	n/a219d	n/a820d

Trading data

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	XOEF	SIZE
Last sale 7/17/2026 at 1:30 PM	$29.43	$178.06
Previous close 07/16/2026	$29.59	$179.24
Consolidated volume 07/16/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of June 30, 2026

1-year trailing difference

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	XOEF	SIZE
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 7/17/2026 at 1:30 PM

Live

Closed

	XOEF	SIZE
Last price	$29.43	$178.06
1D performance	-0.51%	-0.66%
AuM	$22.37 M	$427.14 M
E/R	0.2%	0.15%

Characteristics

	XOEF	SIZE
Management strategy	Passive	Passive
Provider	iShares	iShares
Benchmark	S&P 500 ex-S&P 100 Select Index	MSCI USA Low Size Index
N° of holdings	401	524
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	July 9, 2025	April 16, 2013
ESG	No	No

More XOEF data on Trackinsight

More SIZE data on Trackinsight

Exposure

Countries

XOEF

USA

94.47%

Other

5.53%

SIZE

USA

94.57%

Other

5.43%

Sectors

XOEF

Technology

23.38%

Finance

19.23%

Industrials

14.28%

Healthcare

8.84%

Other

34.26%

SIZE

Finance

20.89%

Technology

18.13%

Industrials

14.08%

Healthcare

10.58%

Consumer Non-Cycl.

7.11%

Other

29.21%

Diversification

XOEF

Total weight of top 15 holdings out of 15

15.91%

SIZE

Total weight of top 15 holdings out of 15

4.03%

Top 15 holdings

Data as of May 31, 2026

XOEF

KLA Corp.

1.46%

Sandisk Corp.

1.45%

Palo Alto Networks, Inc.

1.32%

Analog Devices, Inc.

1.17%

Seagate Technology Holdings Plc

1.11%

CrowdStrike Holdings, Inc.

1.07%

Amphenol Corp.

1.06%

Western Digital Corp.

1.04%

The TJX Cos., Inc.

0.99%

Applovin Corp.

0.96%

Arista Networks, Inc.

0.95%

Eaton Corp. Plc

0.90%

Welltower, Inc.

0.83%

Corning, Inc.

0.82%

Prologis, Inc.

0.77%

SIZE

Dell Technologies, Inc.

0.32%

Super Micro Computer, Inc.

0.29%

IonQ, Inc.

0.29%

Okta, Inc.

0.28%

Snowflake, Inc.

0.28%

NetApp, Inc.

0.28%

Credo Technology Group Holding Ltd.

0.26%

First Solar, Inc.

0.26%

Astera Labs, Inc.

0.26%

Best Buy Co., Inc.

0.26%

IREN Ltd.

0.26%

Aptiv Plc

0.25%

HP, Inc.

0.25%

Dollar Tree, Inc.

0.25%

Ford Motor Co.

0.25%

Frequently asked questions about XOEF and SIZE

How have the XOEF and SIZE ETFs performed in 2026?

As of July 17, 2026, XOEF is up 14.55% year-to-date (YTD), while SIZE has returned 10.8%. That puts XOEF better performer ahead so far this year.

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

Year-to-date, the XOEF ETF saw +$4M in flows, compared to -$556K for SIZE.

Which ETF is more volatile: XOEF or SIZE?

Over the past year, XOEF had a volatility of 12.94%, while SIZE experienced 12.28%.

Which ETF is bigger: XOEF or SIZE?

As of July 17, 2026, XOEF holds $22.37 M in assets under management (AUM), while SIZE manages $427.14 M.

What sectors do the XOEF and SIZE ETFs invest in?

XOEF leans toward sectors like Technology, Finance and Industrials. Meanwhile, SIZE focuses on Finance, Technology and Industrials.

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

XOEF top holdings include KLA Corp., Sandisk Corp. and Palo Alto Networks, Inc.. SIZE holds in its top three: Dell Technologies, Inc., Super Micro Computer, Inc. and IonQ, Inc..

Which ETF is more diversified: XOEF or SIZE?

XOEF holds 404 securities with 15.91% of its assets in the top 15. SIZE has 528 securities and a top 15 weight of 4.03%.

ETFs for contrarian investors

December 21, 2022

SIZE

XOEFvsSIZEETF Comparison

iShares S&P 500 ex S&P 100 ETF

iShares MSCI USA Size Factor ETF

XOEF vs SIZE 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 XOEF and SIZE ETFs performed in 2026?

As of July 17, 2026, XOEF is up 14.55% year-to-date (YTD), while SIZE has returned 10.8%. That puts XOEF better performer ahead so far this year.

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

Year-to-date, the XOEF ETF saw +$4M in flows, compared to -$556K for SIZE.

Which ETF is more volatile: XOEF or SIZE?

Over the past year, XOEF had a volatility of 12.94%, while SIZE experienced 12.28%.

Which ETF is bigger: XOEF or SIZE?

As of July 17, 2026, XOEF holds $22.37 M in assets under management (AUM), while SIZE manages $427.14 M.

What sectors do the XOEF and SIZE ETFs invest in?

XOEF leans toward sectors like Technology, Finance and Industrials. Meanwhile, SIZE focuses on Finance, Technology and Industrials.

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

XOEF top holdings include KLA Corp., Sandisk Corp. and Palo Alto Networks, Inc.. SIZE holds in its top three: Dell Technologies, Inc., Super Micro Computer, Inc. and IonQ, Inc..

Which ETF is more diversified: XOEF or SIZE?

XOEF holds 404 securities with 15.91% of its assets in the top 15. SIZE has 528 securities and a top 15 weight of 4.03%.

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