Quest Diagnostics
DGX
A$257.26
Share price
-0.42%
Change (1 day)
18.58%
Change (1 year)
Categories
Quest Diagnostics is an American clinical laboratory company offering access to diagnostic testing services for cancer, cardiovascular disease, infectious disease, neurological disorders and employment and court ordered drug testing.
Market capitalization of Quest Diagnostics (DGX)
Market cap: A$28.76 Billion
As of July 2025 Quest Diagnostics has a market cap of A$28.76 Billion. This makes Quest Diagnostics the world's 1126th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
Market cap history of Quest Diagnostics from 1997 to 2025
End of year Market Cap
| Year | Marketcap | Change |
|---|---|---|
| 2025 | A$28.76 B | 5.04% |
| 2024 | A$27.38 B | 20.37% |
| 2023 | A$22.75 B | -13.09% |
| 2022 | A$26.18 B | -10.57% |
| 2021 | A$29.27 B | 40.16% |
| 2020 | A$20.88 B | 2.96% |
| 2019 | A$20.28 B | 27.13% |
| 2018 | A$15.95 B | -7.2% |
| 2017 | A$17.19 B | -2.72% |
| 2016 | A$17.67 B | 26.58% |
| 2015 | A$13.96 B | 18.35% |
| 2014 | A$11.79 B | 36.51% |
| 2013 | A$8.64 B | -2.64% |
| 2012 | A$8.87 B | -0.62% |
| 2011 | A$8.93 B | -1.52% |
| 2010 | A$9.07 B | -26.38% |
| 2009 | A$12.32 B | -14.4% |
| 2008 | A$14.39 B | 22.51% |
| 2007 | A$11.74 B | -9.91% |
| 2006 | A$13.03 B | -6.61% |
| 2005 | A$13.96 B | 11.74% |
| 2004 | A$12.49 B | 23.56% |
| 2003 | A$10.11 B | 2.21% |
| 2002 | A$9.89 B | -26.67% |
| 2001 | A$13.49 B | 14.15% |
| 2000 | A$11.82 B | 475.75% |
| 1999 | A$2.05 B | 134.98% |
| 1998 | A$0.87 B | 12.48% |
| 1997 | A$0.77 B |
End of Day market cap according to different sources
On Jul 28th, 2025 the market cap of Quest Diagnostics was reported to be:
A$28.76 Billion
A$28.76 Billion
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