DGX Market Cap History
Below is a table of the DGX market cap history going back to 1/31/2010:

Date DGX Market Cap
1/31/20109.96B
4/21/201010.44B
7/19/20108.76B
10/18/20108.79B
1/31/20119.75B
4/30/20118.87B
7/21/20119.07B
10/27/20118.98B
1/31/20129.20B
4/19/20129.33B
7/19/20129.69B
10/19/20129.41B
1/31/20139.17B
4/19/20138.84B
7/19/20138.97B
10/18/20138.42B
1/31/20147.58B
4/24/20148.32B
7/24/20148.87B
10/22/20148.85B
1/31/201510.26B
4/23/201510.80B
7/23/201510.68B
10/22/20158.93B
1/31/20169.37B
4/14/201610.46B
7/14/201611.62B
10/13/201611.55B
1/31/201712.64B
4/13/201713.31B
7/13/201714.82B
10/12/201712.47B
1/31/201814.35B
4/13/201813.55B
7/13/201815.71B
10/16/201813.91B
1/31/201911.73B
4/12/201912.08B
7/12/201913.87B
10/16/201914.25B
1/31/202014.77B
4/15/202011.91B
7/15/202016.42B
10/15/202015.92B
1/31/202117.24B
4/15/202116.87B
7/15/202116.38B
10/15/202117.48B

Also see: DGX Shares Outstanding History
and DGX YTD Return
DGX Historical Market Cap:
+4.92% CAGR
DGX Historical Market Cap: +4.92% CAGR

Mouse over chart for data details
1/31/2010 ...10/15/2021
Quest Diagnostics provides diagnostic information services. Co. is made up of two businesses: Diagnostic Information Services, which develops and delivers diagnostic information services, providing insights that allow and enable a range of customers, including patients, clinicians, hospitals, independent delivery networks (including hospital health systems), health plans, employers, accountable care organizations and direct contract entities; and Diagnostic Solutions, which includes Co.'s risk assessment services business, which provides solutions for insurers, and Co.'s healthcare information technology businesses, which provides solutions for healthcare providers. We show 48 historical shares outstanding datapoints in our DGX shares outstanding history coverage, used to compute DGX market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing DGX market cap history over the course of time is important for investors interested in comparing DGX's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of DGX versus a peer is one thing; comparing DGX market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like DGX can fluctuate over the course of history. With this page we aim to empower investors researching DGX by allowing them to research the DGX market cap history.
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Quest Diagnostics (DGX) is categorized under the Healthcare sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

DHR Market Cap History
DMPI Market Cap History
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