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VOvsONEOETF Comparison

ETF 1

VO

Vanguard Mid-Cap ETF

This fund is part of

US Mid Cap

+0.85%

Full VO fund page

VS

ETF 2

ONEO

State Street SPDR Russell 1000 Momentum Focus ETF

This fund is part of

US Multi-Factor

+0.58%

Full ONEO fund page

Vanguard Mid-Cap ETF (VO) belongs to the US Mid Cap segment. State Street SPDR Russell 1000 Momentum Focus ETF (ONEO) is part of the US Multi-Factor segment. VO's top 3 sector exposures are Industrials, Information Technology and Financials. In contrast, ONEO's top sector exposures are Information Technology, Industrials and Consumer Discretionary. VO is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.2% for ONEO. VO is up 10.45% year-to-date (YTD) with +$4.44B in YTD flows. ONEO performs better with 18.13% YTD performance, and -$26M in YTD flows. Run a side-by-side ETF comparison of VO and ONEO 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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VO vs ONEO 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 06/12/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	VO ONEO	+3.35%+4.76%	+10.88%+14.61%	+10.45%+18.13%	+18.18%+27.25%	+56.67%+67.43%	+45.68%+65.59%
Flows	VO ONEO	+$1.26B-	+$2.64B-	+$4.44B-$26M	+$9.13B-$74M	+$21.85B-$169M	+$30.55B-$324M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	VO ONEO	+14.40%+15.69%	+12.75%+13.37%	+14.78%+15.27%	+17.62%+17.42%
Max drawdown	VO ONEO	-3.96%-3.50%	-8.12%-7.42%	-18.93%-19.59%	-27.54%-22.42%
Max drawdown duration	VO ONEO	21d16d	49d48d	211d260d	972d757d

Trading data

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	VO	ONEO
Last sale 6/12/2026 at 1:30 PM	$79.82	$152.22
Previous close 06/11/2026	$79.05	$150.91
Consolidated volume 06/11/2026
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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	VO	ONEO
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 6/12/2026 at 1:30 PM

Live

Closed

	VO	ONEO
Last price	$79.82	$152.22
1D performance	+0.97%	+0.87%
AuM	$104.50 B	$28.93 M
E/R	0.03%	0.2%

Characteristics

	VO	ONEO
Management strategy	Passive	Passive
Provider	Vanguard	State Street Investment Management
Benchmark	CRSP U.S. Mid Cap Index	Russell 1000 Momentum Focused Factor Index
N° of holdings	269	837
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	January 26, 2004	December 2, 2015
ESG	No	No

More VO data on Trackinsight

More ONEO data on Trackinsight

Exposure

Countries

VO

USA

92.33%

Other

7.67%

ONEO

USA

91.88%

Other

8.12%

Sectors

VO

Industrials

17.2%

Information Techn.

16.44%

Financials

11.97%

Consumer Discreti.

10.1%

Energy

8.35%

Utilities

8.32%

Other

27.62%

ONEO

Information Techn.

19.02%

Industrials

16.99%

Consumer Discreti.

11.7%

Health Care

9.02%

Financials

9.02%

Other

34.26%

Diversification

VO

Total weight of top 15 holdings out of 15

14.32%

ONEO

Total weight of top 15 holdings out of 15

11.04%

Top 15 holdings

Data as of April 30, 2026

VO

WESTERN DIGITAL

1.49%

SEAGATE TECHNOLOGY HOLDINGS PLC

1.48%

VERTIV HOLDINGS

1.25%

QUANTA SERVICES

1.10%

HOWMET AEROSPACE INC

0.98%

CONSTELLATION ENERGY CORP

0.97%

CUMMINS

0.94%

SCHLUMBERGER

0.86%

CRH PLC

0.80%

VALERO ENERGY

0.76%

MONOLITHIC POWER SYSTEMS

0.75%

ROSS STORES

0.74%

MARATHON PETROLEUM

0.74%

MOTOROLA SOLUTIONS

0.73%

MARVELL TECHNOLOGY

0.73%

ONEO

WESTERN DIGITAL

1.72%

MONOLITHIC POWER SYSTEMS

0.97%

FLEX LTD

0.88%

MICRON TECHNOLOGY

0.76%

JABIL CIRCUIT

0.75%

MCKESSON

0.70%

TECHNIPFMC PLC

0.65%

US74743L1008

0.63%

MARATHON PETROLEUM

0.61%

TERADYNE

0.60%

US5128073062

0.59%

DOLLAR GENERAL

0.56%

KLA CORPORATION

0.56%

VALERO ENERGY

0.54%

APPLIED MATERIAL

0.52%

Frequently asked questions about VO and ONEO

How have the VO and ONEO ETFs performed in 2026?

As of June 12, 2026, VO is up 10.45% year-to-date (YTD), while ONEO has returned 18.13%. That puts ONEO better performer ahead so far this year.

Which ETF is attracting more investor money: VO or ONEO?

Year-to-date, the VO ETF saw +$4.44B in flows, compared to -$26M for ONEO.

Which ETF is more volatile: VO or ONEO?

Over the past year, VO had a volatility of 12.75%, while ONEO experienced 13.37%.

Which ETF is bigger: VO or ONEO?

As of June 12, 2026, VO holds $104.50 B in assets under management (AUM), while ONEO manages $28.93 M.

What sectors do the VO and ONEO ETFs invest in?

VO leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, ONEO focuses on Information Technology, Industrials and Consumer Discretionary.

What are the top holdings of the VO ETF and ONEO ETF?

VO top holdings include WESTERN DIGITAL, SEAGATE TECHNOLOGY HOLDINGS PLC and VERTIV HOLDINGS. ONEO holds in its top three: WESTERN DIGITAL, MONOLITHIC POWER SYSTEMS and FLEX LTD.

VOvsONEOETF Comparison

Vanguard Mid-Cap ETF

State Street SPDR Russell 1000 Momentum Focus ETF

VO vs ONEO 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 VO and ONEO ETFs performed in 2026?

As of June 12, 2026, VO is up 10.45% year-to-date (YTD), while ONEO has returned 18.13%. That puts ONEO better performer ahead so far this year.

Which ETF is attracting more investor money: VO or ONEO?

Year-to-date, the VO ETF saw +$4.44B in flows, compared to -$26M for ONEO.

Which ETF is more volatile: VO or ONEO?

Over the past year, VO had a volatility of 12.75%, while ONEO experienced 13.37%.

Which ETF is bigger: VO or ONEO?

As of June 12, 2026, VO holds $104.50 B in assets under management (AUM), while ONEO manages $28.93 M.

What sectors do the VO and ONEO ETFs invest in?

VO leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, ONEO focuses on Information Technology, Industrials and Consumer Discretionary.

What are the top holdings of the VO ETF and ONEO ETF?

VO top holdings include WESTERN DIGITAL, SEAGATE TECHNOLOGY HOLDINGS PLC and VERTIV HOLDINGS. ONEO holds in its top three: WESTERN DIGITAL, MONOLITHIC POWER SYSTEMS and FLEX LTD.

Which ETF is more diversified: VO or ONEO?

VO holds 289 securities with 14.32% of its assets in the top 15. ONEO has 899 securities and a top 15 weight of 11.04%.

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