Current
$22.74B
5-Year Average
$17.66B
All-Time High
$23.73B
All-Time Low
$4.78B
Market cap daily chart for Quest Diagnostics (DGX)
Jun 16, 2021 – Jun 12, 2026 · 1,254 trading days
Market Cap growth chart for Quest Diagnostics (DGX) from 1996 to 2026
Latest: +16.0%
Market Cap history table for Quest Diagnostics (DGX) from 1996 to 2026
| 2026 | $22.74B | +16.0% | +$3.13B | ||
| 2025 | $19.61B | +15.0% | +$2.56B | ||
| 2024 | $17.05B | +9.4% | +$1.47B | ||
| 2023 | $15.58B | -15.6% | −$2.88B | ||
| 2022 | $18.46B | -16.6% | −$3.69B | ||
| 2021 | $22.15B | +36.6% | +$5.94B | ||
| 2020 | $16.21B | +11.6% | +$1.68B | ||
| 2019 | $14.52B | +25.5% | +$2.95B | ||
| 2018 | $11.57B | -16.1% | −$2.21B | ||
| 2017 | $13.79B | +5.7% | +$738.80M | ||
| 2016 | $13.05B | +26.5% | +$2.73B | ||
| 2015 | $10.32B | +6.1% | +$591.60M | ||
| 2014 | $9.72B | +18.7% | +$1.53B | ||
| 2013 | $8.19B | -12.2% | −$1.14B | ||
| 2012 | $9.33B | +0.3% | +$27.82M | ||
| 2011 | $9.30B | -2.8% | −$267.67M | ||
| 2010 | $9.57B | -15.6% | −$1.77B | ||
| 2009 | $11.34B | +11.5% | +$1.17B | ||
| 2008 | $10.17B | -1.5% | −$155.00M | ||
| 2007 | $10.33B | -2.3% | −$246.37M | ||
| 2006 | $10.58B | -0.0% | −$4.96M | ||
| 2005 | $10.58B | +4.2% | +$431.09M | ||
| 2004 | $10.15B | +28.4% | +$2.25B | ||
| 2003 | $7.90B | +39.3% | +$2.23B | ||
| 2002 | $5.68B | -19.1% | −$1.34B | ||
| 2001 | $7.01B | +4.5% | +$303.30M | ||
| 2000 | $6.71B | +545.7% | +$5.67B | ||
| 1999 | $1.04B | +93.1% | +$501.04M | ||
| 1998 | $538.00M | +9.8% | +$47.83M | ||
| 1997 | $490.17M | +10.4% | +$46.20M | ||
| 1996 | $443.97M | — | — |
- 2026$22.74B+16.0%
- 2025$19.61B+15.0%
- 2024$17.05B+9.4%
- 2023$15.58B-15.6%
- 2022$18.46B-16.6%
- 2021$22.15B+36.6%
- 2020$16.21B+11.6%
- 2019$14.52B+25.5%
- 2018$11.57B-16.1%
- 2017$13.79B+5.7%
- 2016$13.05B+26.5%
- 2015$10.32B+6.1%
- 2014$9.72B+18.7%
- 2013$8.19B-12.2%
- 2012$9.33B+0.3%
- 2011$9.30B-2.8%
- 2010$9.57B-15.6%
- 2009$11.34B+11.5%
- 2008$10.17B-1.5%
- 2007$10.33B-2.3%
- 2006$10.58B-0.0%
- 2005$10.58B+4.2%
- 2004$10.15B+28.4%
- 2003$7.90B+39.3%
- 2002$5.68B-19.1%
- 2001$7.01B+4.5%
- 2000$6.71B+545.7%
- 1999$1.04B+93.1%
- 1998$538.00M+9.8%
- 1997$490.17M+10.4%
- 1996$443.97M—
Market Cap values are taken from Quest Diagnostics's reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Market Cap at Quest Diagnostics (DGX)
According to Quest Diagnostics's latest reported financial statements, the company's latest reported market cap is $21.95B. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
As of the 2026 fiscal year, Quest Diagnostics (DGX) reported market cap of $22.74B – grew 16.0% year-over-year.
Through 2021–2026 (5 years), Quest Diagnostics market cap delivered a +0.5% annualised rate; sustaining 3 straight years of year-over-year growth.
The record annual market cap stands at $22.74B, reached in 2026; the historical low of $443.97M was recorded in 1996.
Quest Diagnostics Market Cap by Year
Quest Diagnostics Market Cap 2026: $22.74B
In 2026, Quest Diagnostics reported market cap of $22.74B, grew 16.0% from 2025. This figure represents the highest annual value in the available history.
Quest Diagnostics Market Cap 2025: $19.61B
Quest Diagnostics market cap in 2025 was $19.61B, grew 15.0% from 2024.
Quest Diagnostics Market Cap 2024: $17.05B
2024's market cap for Quest Diagnostics came in at $17.05B, grew 9.4% from 2023.
Quest Diagnostics Market Cap 2023: $15.58B
Quest Diagnostics posted market cap of $15.58B in 2023, declined 15.6% below 2022.
Quest Diagnostics Market Cap 2022: $18.46B
Quest Diagnostics market cap in 2022 was $18.46B.
See more financial history for Quest Diagnostics (DGX).
Sector peers by Market Cap
Healthcare peers of Quest Diagnostics (DGX), ranked by their latest market cap
| $1.07T | |
| $579.83B | |
| $391.50B | |
| $371.00B | |
| $294.03B | |
| $277.22B | |
| $194.99B | |
| $191.70B |
- $1.07T
- $579.83B
- $391.50B
- $371.00B
- $294.03B
- $277.22B
- $194.99B
- $191.70B
Frequently asked questions
Quest Diagnostics (DGX) Key Financials
Charts, filings, and peer comparison for every metric
Explore more
Deep-dives across the income statement, cash flow, capital return, and valuation