Quest Diagnostics Incorporated (DGX)

DGX · Health Care · United States

Quest Diagnostics Incorporated (DGX) is a US company in the Health Care sector. The stock has its largest weight in XUHL (MSCI USA Health Care), at 0.42%. Anyone who holds an ETF containing Quest Diagnostics Incorporated also has an indirect stake in the company.

Data and Charts: Quest Diagnostics Incorporated

Key Data for Quest Diagnostics Incorporated

Data note 1

Quest Diagnostics Incorporated Stock Price Chart

The Quest Diagnostics Incorporated chart shows daily closing prices and is set to the current year by default. The stock is up 45.1% year to date and up 43.3% over twelve months. The last recorded close on October 30, 2026, was $251.82, at 99% of the 52-week range.

Price series from our database since Aug 12, 2024, 558 daily values.

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Quest Diagnostics Incorporated Stock Performance

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Measured in euros, Quest Diagnostics Incorporated is up 52.6% year to date and up 48.1% over twelve months. The difference from the dollar figures above comes from the exchange rate alone. Each daily price is converted at the ECB euro reference rate for that day.

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Alysly Data Analysis: Quest Diagnostics Incorporated

What ETF Is Quest Diagnostics Incorporated In?

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Data note 6

The last column shows how much of €1,000 in one of these funds goes to Quest Diagnostics Incorporated, based on each fund's latest holdings list.

US-listed ETFs holding Quest Diagnostics Incorporated (weight per latest SEC filing): VYM 0.10%, IVV 0.04%, SPY 0.04%, VOO 0.04%, VTI 0.03%. These funds are registered in the US; retail investors in the EU usually cannot buy them.

Quest Diagnostics Incorporated Weight in iShares Core MSCI World (EUNL) Since 2019

In iShares Core MSCI World (EUNL), Quest Diagnostics Incorporated had a weight of 0.04% on Sep 30, 2019 and 0.03% on Oct 30, 2026. The fund tracks the MSCI World. Its share peaked at 0.04% on Sep 30, 2019. The weight rises and falls with the stock's price performance relative to the other index members. It can also change when the index provider adjusts the index composition.

Data note 7

What's Inside Your ETF Portfolio and the ETF overlap check show how much Quest Diagnostics Incorporated overlaps with the rest of a portfolio.

Which Tracked Investors Hold Quest Diagnostics Incorporated?

Quest Diagnostics Incorporated is not among the largest purchases in the quarter ending Jun 30, 2026. The list is led by GOOGL, DAL and NEBIUS GROUP N.V. The only manager we track that holds Quest Diagnostics Incorporated increased its position.

As of Jun 30, 2026. Based on quarterly filings with the US securities regulator, submitted up to 45 days after the reference date. The change counts shares, not price gains.

Data note 8

What Quest Diagnostics Incorporated Executives and Directors Traded Recently

The table shows open-market purchases and sales reported over the past 90 days. Directors, officers and shareholders owning more than ten percent must report such transactions within two trading days. Awards and option exercises are excluded.

“Plan” means the transaction follows a schedule set up in advance under Rule 10b5-1. Sales consistently outnumber purchases in these filings because a large part of executive pay is granted in shares. For comparison: over the period covered, executives and directors reported sales at 271 of 350 tracked companies and purchases at 32.

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Stocks With ETF Exposure Similar to Quest Diagnostics Incorporated

Stocks with ETF exposure similar to Quest Diagnostics Incorporated

Stock	Shared ETFs	r	1 year	Annualized volatility	Net margin	Revenue growth
Quest Diagnostics Incorporated	–	–	+43.3%	22.9%	9.0%	+11.8%
Edwards Lifesciences Corporation	22	–	+10.2%	25.0%	17.7%	+11.5%
HCA Healthcare Inc	22	–	+1.4%	29.0%	9.0%	+7.1%
Humana	22	–	+45.1%	46.1%	0.9%	+10.1%
Centene Corporation	23	–	+95.5%	50.4%	-3.4%	+19.4%
West Pharmaceutical Services	22	–	+48.1%	45.4%	16.1%	+6.3%
UnitedHealth Group Incorporated	22	–	+18.0%	40.4%	2.7%	+11.8%
Incyte Corporation	22	–	+30.0%	34.0%	25.0%	+21.2%
Agilent Technologies	21	–	+22.0%	31.4%	18.8%	+6.7%

These stocks reach a portfolio through largely the same funds as Quest Diagnostics Incorporated. “Shared ETFs” counts the funds that hold both.

Return and volatility are calculated from our daily closing prices in US dollars. Margin and growth come from each company's latest SEC annual filing. Because fiscal years do not end on the same date for every company, the underlying periods are not fully identical.

Data note 10

Fundamental Analysis: Quest Diagnostics Incorporated

Quest Diagnostics Incorporated Key Financials

Figures come from the SEC annual filing for the latest reported fiscal year (period end Dec 31, 2025).

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Technical Analysis: Quest Diagnostics Incorporated

Quest Diagnostics Incorporated Risk Metrics

Data note 12

The close on Oct 30, 2026, was 0.4% below the highest close since Aug 12, 2024. That high was reached on Oct 29, 2026. When the S&P 500 rose or fell 1%, Quest Diagnostics Incorporated moved 0.10% on average in the opposite direction (past 252 trading days). The correlation of -0.06, however, shows only a moderate link to the broad market. Accordingly, moves in the S&P 500 explain only a small part of the daily price moves of Quest Diagnostics Incorporated.

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What Quest Diagnostics Incorporated Correlates With

The strongest co-movers are listed at the top, the strongest inverse movers at the bottom. Low or negative correlations can help spread risk more broadly across a portfolio.

Data note 14

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