Vanguard Mid-Cap Index Fund (VO)

Key Metrics

TER 3.00% per year

Distribution policy Distributing

Fund size USD 198,269 M

Inception date January 26, 2004

Holdings 300

Fund currency USD

Fund domicile US

Provider Vanguard

For full official fund details, factsheets, and holdings, visit investor.vanguard.com (opens in new tab).

Historical Return

Last updated: Jun 15, 2026

1 Year +16.6% +1.4% Div

3 Years (avg.) +13.5% +1.4% Div

5 Years (avg.) +6.2% +1.4% Div

Risk & Analysis Metrics

Last updated: Jun 15, 2026

Volatility

12.70% 1 Year

14.83% 3 Years

17.68% 5 Years

18.97% 10 Years

Max Drawdown

-8.52% 1 Year

-19.70% 3 Years

-28.58% 5 Years

-39.68% 10 Years

Sharpe Ratio

0.95 1 Year

0.65 3 Years

0.19 5 Years

0.38 10 Years

Return Triangle (Heatmap)

Last updated: Jun 15, 2026

	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025
2011	-4.5%	4.0%	12.1%	12.5%	9.2%	9.5%	10.5%	7.5%	9.7%	10.3%	11.6%	8.6%	9.0%	9.4%	9.4%
2012		13.2%	21.5%	18.8%	13.0%	12.6%	13.2%	9.4%	11.7%	12.1%	13.3%	9.9%	10.2%	10.5%	10.5%
2013			30.5%	21.7%	12.9%	12.4%	13.3%	8.7%	11.5%	12.0%	13.4%	9.5%	10.0%	10.3%	10.3%
2014				13.4%	5.0%	7.0%	9.3%	4.8%	8.6%	9.5%	11.4%	7.4%	8.1%	8.7%	8.8%
2015					-2.8%	3.9%	8.0%	2.8%	7.6%	8.9%	11.1%	6.7%	7.5%	8.2%	8.4%
2016						11.0%	13.8%	4.7%	10.4%	11.4%	13.6%	8.1%	8.9%	9.5%	9.5%
2017							16.6%	1.7%	10.2%	11.5%	14.1%	7.6%	8.6%	9.3%	9.4%
2018								-11.3%	7.1%	9.9%	13.5%	5.9%	7.3%	8.3%	8.5%
2019									29.4%	22.3%	23.2%	10.7%	11.5%	12.0%	11.7%
2020										15.6%	20.2%	5.1%	7.5%	8.8%	9.0%
2021											25.0%	0.3%	4.9%	7.1%	7.7%
2022												-19.6%	-4.0%	1.7%	3.8%
2023													14.7%	14.4%	12.9%
2024														14.2%	12.1%
2025															10.0%

Distributions

*by ETF Portfolio Weight Last updated: Jun 15, 2026

Profit Margin Distribution

< 0%

1y 3y N/A N/A

0 - 5%

16%

1y 3y N/A N/A

5 - 10%

19%

1y 3y N/A N/A

10 - 15%

22%

1y 3y N/A N/A

15 - 20%

13%

1y 3y N/A N/A

20 - 30%

15%

1y 3y N/A N/A

30 - 40%

1y 3y N/A N/A

> 40%

1y 3y N/A N/A

P/E Ratio Distribution

< 0

1y 3y N/A N/A

0 - 10

1y 3y N/A N/A

10 - 15

12%

1y 3y N/A N/A

15 - 20

14%

1y 3y N/A N/A

20 - 25

15%

1y 3y N/A N/A

25 - 35

23%

1y 3y N/A N/A

35 - 50

11%

1y 3y N/A N/A

> 50

16%

1y 3y N/A N/A

Discounted Cash Flow

Weighted Average Undervaluation

N/A

Undervalued

> 60%

1y 3y N/A N/A

45 - 60%

1y 3y N/A N/A

30 - 45%

1y 3y N/A N/A

15 - 30%

1y 3y N/A N/A

Fair (±15%)

1y 3y N/A N/A

Overvalued

15 - 30%

1y 3y N/A N/A

30 - 45%

1y 3y N/A N/A

45 - 60%

1y 3y N/A N/A

> 60%

1y 3y N/A N/A

Market Cap Size Distribution

Micro Cap

0.0%

1y 3y N/A N/A

Small Cap

0.0%

1y 3y N/A N/A

Mid Cap

0.1%

1y 3y N/A N/A

Large Cap

98.4%

1y 3y N/A N/A

Mega Cap

1.5%

1y 3y N/A N/A

Micro: < $300M Small: $300M–$2B Mid: $2B–$10B Large: $10B–$200B Mega: > $200B

Average metrics of all companies in portfolio

Last updated: Jun 21, 2026

Market
Average

Market Cap The market value of the company. It's calculated by multiplying the share price by the number of outstanding shares.	$54B	-
Dividend Yield Yearly payout to shareholders per share. The percentage indicates the payout in relation to the share price.	1.43%	2.03%
Beta Indicates the relationship between the price performance of a share and the market.	1.02	-
P/E Ratio Ratio between share price and earnings per share. A low ratio could indicate that the stock is undervalued or investors aren't expecting high growth. A high ratio could indicate that the stock is overvalued or investors are expecting high growth.	34.57	28.29
Negative P/E Ratio a negative P/E ratio shows that the company is not profitable, and it shows how many years it would take the company to lose its entire market capitalisation if it did not change anything	-50.46	-
Profitable Companies	95%	-
PEG The ratio between the P/E ratio and the growth rate of the company's earnings per share in the last twelve months. A lower PEG could mean that a stock is undervalued.	27.9	14.56
Price to Sales Ratio Market cap divided by the revenue in the most recent year.	5.48	8.28
Price to Book Ratio Price to Book Ratio is the Market cap divided by the Book value of the company	7.01	10.72

Market
Average

Enterprise Value to EBIT Enterprise Value divided by EBIT	27.75	21.15
Enterprise Value to Revenue Enterprise value divided by revenue	6.55	8.72
Total Debt to Enterprise Value Total debt divided by enterprise value	0.2	0.05
Debt to Equity A higher ratio indicates a higher risk. However, the ratio is difficult to compare between industries where common amounts of debt vary.	0.85	0.33
Profit Margin Net income divided by revenue of the last 4 quarters. It indicates the company's profitability.	13.93%	-6.18%
Quarterly Earnings Growth (YoY) The rate at which the company's net income has increased to the same quarter one year ago.	+11.4%	-117.9%
Return on Equity Equity divided by market cap.	19.54%	1.23%
Return on Assets Indicates a company's profitability in relation to its total assets.	7.59%	3.29%
Return on Invested Capital Return on invested capital (ROIC) is net income after dividends divided by the sum of debt and equity. It shows how effective a company is at turning capital invested by shareholders and other debtholders into profits.	12.23%	3.31%

Limit holdings to companies in a single sector.

$0B >$1T

Ratio between share price and earnings per share. A low ratio could indicate undervaluation.

<0 >50

Ratio of dividends in the last 12 months to current share price.

0% 3%

Revenue increase compared to the same quarter one year ago.

0% 30%

Net income increase compared to the same quarter one year ago.

0% 30%

Profitability of the last quarter.

<-30% >30%

A higher ratio indicates a higher risk. The ratio is difficult to compare between industries.

<0 >3

Discounted cash flow valuation vs. current price. Positive = undervalued, negative = overvalued.

<-50% >+100%

Market Cap

P/E Ratio

Total Investment

Weight

Vertiv Holdings Co - Ordinary Shares - Class A

VRT - Manufacturing

Market Cap $127.93B

P/E Ratio 81.8

Dividends 0.1%

Total Investment $2.03B

Weight 1.03%

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Howmet Aerospace Inc

HWM - Manufacturing

Market Cap $111.09B

P/E Ratio 63.8

Dividends 0.2%

Total Investment $2B

Weight 1.01%

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Western Digital Corp.

WDC - Manufacturing

Market Cap $257.21B

P/E Ratio 39.7

Dividends 0.1%

Total Investment $1.98B

Weight 1.00%

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Constellation Energy Corporation

CEG

Market Cap $98.42B

P/E Ratio 23.8

Dividends 0.6%

Total Investment $1.86B

Weight 0.94%

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Seagate Technology Holdings Plc

STX - Manufacturing

Market Cap $239.98B

P/E Ratio 99.5

Dividends 0.3%

Total Investment $1.85B

Weight 0.93%

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Quanta Services, Inc.

PWR - Construction

Market Cap $105.38B

P/E Ratio 94.3

Dividends 0.1%

Total Investment $1.77B

Weight 0.89%

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Schlumberger Ltd.

SLB - Mining, Quarrying, and Oil and Gas Extraction

Market Cap $71.9B

P/E Ratio 21.8

Dividends 2.4%

Total Investment $1.66B

Weight 0.84%

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Cummins Inc.

CMI - Manufacturing

Market Cap $98.92B

P/E Ratio 37.0

Dividends 1.1%

Total Investment $1.61B

Weight 0.81%

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Valero Energy Corp.

VLO - Manufacturing

Market Cap $70.17B

P/E Ratio 16.7

Dividends 2.0%

Total Investment $1.6B

Weight 0.80%

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Phillips 66

PSX - Manufacturing

Market Cap $66.61B

P/E Ratio 16.2

Dividends 3.0%

Total Investment $1.58B

Weight 0.80%

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Marathon Petroleum Corp

MPC - Manufacturing

Market Cap $70.91B

P/E Ratio 15.8

Dividends 1.6%

Total Investment $1.55B

Weight 0.78%

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Motorola Solutions Inc

MSI - Manufacturing

Market Cap $65.6B

P/E Ratio 31.3

Dividends 1.2%

Total Investment $1.55B

Weight 0.78%

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CRH Plc

CRH - Mining, Quarrying, and Oil and Gas Extraction

Market Cap $74.33B

P/E Ratio 19.0

Dividends 1.4%

Total Investment $1.52B

Weight 0.77%

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Ross Stores, Inc.

ROST - Retail Trade

Market Cap $74.68B

P/E Ratio 32.1

Dividends 0.7%

Total Investment $1.51B

Weight 0.76%

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General Motors Company

GM - Manufacturing

Market Cap $71.49B

P/E Ratio 31.1

Dividends 0.8%

Total Investment $1.45B

Weight 0.73%

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Royal Caribbean Group

RCL - Transportation and Warehousing

Market Cap $83.81B

P/E Ratio 18.8

Dividends 1.6%

Total Investment $1.45B

Weight 0.73%

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Discovery Inc - Class A

DISCA - Information

Market Cap $0

P/E Ratio -37.6

Dividends 0.0%

Total Investment $1.4B

Weight 0.70%

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L3Harris Technologies Inc

LHX - Manufacturing

Market Cap $54.92B

P/E Ratio 31.8

Dividends 1.7%

Total Investment $1.39B

Weight 0.70%

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Cloudflare Inc - Ordinary Shares - Class A

NET - Manufacturing

Market Cap $79.55B

P/E Ratio -911.1

Dividends 0.0%

Total Investment $1.34B

Weight 0.68%

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Digital Realty Trust Inc

DLR - Finance and Insurance

Market Cap $66.12B

P/E Ratio 47.6

Dividends 2.6%

Total Investment $1.34B

Weight 0.67%

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United States	96.4%
Ireland	1.3%
Other	0.6%
Canada	0.6%
Switzerland	0.4%
United Kingdom	0.3%
Bermuda	0.3%
Other	0.0%

Manufacturing	33.6%
Finance and Insurance	15.4%
Utilities	8.5%
Information	8.1%
Mining, Quarrying, and Oil and Gas Extraction	5.4%
Transportation and Warehousing	4.8%
Retail Trade	4.6%
Wholesale Trade	2.7%
Construction	2.2%
Real Estate and Rental and Leasing	1.8%
Professional, Scientific, and Technical Services	1.7%
Administrative and Support and Waste Management and Remediation Services	1.2%
Accommodation and Food Services	1.1%
Health Care and Social Assistance	0.7%
Other Services (except Public Administration)	0.5%
Arts, Entertainment, and Recreation	0.3%
Public Administration	0.3%
Financial Services	0.3%
Finance	0.2%
Healthcare	0.2%
Technology	0.1%
Other	6.2%

Key Metrics

Compare similar ETFs

Historical Return

Risk & Analysis Metrics

Volatility

Max Drawdown

Sharpe Ratio

Return Triangle (Heatmap)

Distributions

Profit Margin Distribution

P/E Ratio Distribution

Discounted Cash Flow

Market Cap Size Distribution

Portfolio Concentration

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Average metrics of all companies in portfolio

Sectors

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