VO ETF

$82.55

AUM$103.4B

TER0.03%

Holdings285

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VO ETF

$82.55

Vanguard Morningstar Mid-Cap ETF

AUM$103.4B

TER0.03%

Holdings285

See how much of VO you already own

Just $25 once·$99/mo·Download sample

X-ray my portfolio free

Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

VO holds 9.3% of its assets in its 10 largest positions as of Aug 31, 2026. VO is Vanguard Morningstar Mid-Cap ETF.

Showing the top 10 of 285 holdings · as of Aug 31, 2026

Top 10 weight

9.29%

VO top 10 holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	MPC	Marathon Petroleum Corp.Energy · Oil & Gas	1.04%	1.0%	6,314,728	$2.36B	Energy	Oil & Gas
2	VLO	ValeroEnergy · Oil & Gas	1.02%	2.1%	6,422,797	$2.31B	Energy	Oil & Gas
Sector and industry · Pro
3	VRT	Vertiv Holdings Co	0.95%	3.0%	8,308,469	$2.15B
4	HWM	Howmet Aerospace	0.94%	3.9%	8,654,522	$2.12B
5	PSX	Phillips 66	0.94%	4.9%	8,672,417	$2.14B
6	—	Cloudflare Inc (180 Day Lockup)	0.93%	5.8%	6,911,551	$2.11B
7	STX	Seagate Technolo	0.89%	6.7%	2,425,098	$2.01B
8	PWR	Quanta Services Inc	0.87%	7.6%	3,245,864	$1.97B
9	SLB	Schlumberger Nv.	0.86%	8.4%	32,338,841	$1.94B
10	CEG	Constellation Energy Corp	0.85%	9.3%	7,014,029	$1.93B
More holdings · Pro

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Themes in the top 10

Energy TransitionEnergy SecurityHydrogen EconomyInflation ProtectionInfrastructureCloud ComputingNetworking Infrastructure5G InfrastructureData & AnalyticsAviation TechnologyManufacturingDefense TechnologyCybersecurityInternet & DigitalClean Energy

VO ETF Top Holdings

VO holdings top 10 positions. The top 10 holdings account for 9.3% of the fund, led by Marathon Petroleum Corp. at 1.0%, Valero Energy at 1.0%, Vertiv Holdings Co at 0.9%.

VO portfolio concentration is well-diversified, with the top 10 representing 9.3% of total assets. The largest sector exposure is Information Technology at 18.8%.

VO sectors provide a detailed breakdown. VO overlap shows how holdings compare to other funds in your portfolio.

Compare VO

VO vs SPY VO vs QQQ VO vs VOO VO vs VTI VO vs IVV VO vs SCHD VO vs VYM VO vs VXUS

#	Ticker	Name	Industry	Weight
1	MPC	Marathon Petroleum Corp.	Energy	1.04%
2	VLO	Valero Energy	Energy	1.02%
3	VRT	Vertiv Holdings Co	Industrials	0.95%
4	HWM	Howmet Aerospace	Industrials	0.94%
5	PSX	Phillips 66	Energy	0.94%
6	NET	Cloudflare Inc (180 Day Lockup)	Information Technology	0.93%
7	STX	Seagate Technolo	Information Technology	0.89%
8	PWR	Quanta Services Inc	Industrials	0.87%
9	SLB	Schlumberger Nv.	Energy	0.86%
10	CEG	Constellation Energy Corporation Com	Utilities	0.85%

VO ETF

VO ETF Top Holdings

Compare VO

Holdings Distribution