Quest Diagnostics - 29 Year Stock Price History | DGX

Historical daily share price chart and data for Quest Diagnostics since 1996 adjusted for splits and dividends. The latest closing stock price for Quest Diagnostics as of April 11, 2025 is 163.99.
  • The all-time high Quest Diagnostics stock closing price was 176.09 on March 03, 2025.
  • The Quest Diagnostics 52-week high stock price is 178.87, which is 9.1% above the current share price.
  • The Quest Diagnostics 52-week low stock price is 125.42, which is 23.5% below the current share price.
  • The average Quest Diagnostics stock price for the last 52 weeks is 152.68.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
Quest Diagnostics Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 163.5957 149.4930 176.0880 149.4930 163.9900 9.77%
2024 140.5972 136.5160 162.2970 120.6300 149.3940 11.77%
2023 131.0654 147.9640 147.9640 116.5350 133.6650 -10.05%
2022 129.5534 152.3680 152.3680 115.0460 148.6000 -7.35%
2021 127.4440 110.2550 160.3960 104.8190 160.3960 47.86%
2020 101.6241 94.1220 117.7650 65.6135 108.4800 14.11%
2019 86.1854 71.5393 96.1339 70.2420 95.0656 31.13%
2018 88.5978 84.4945 99.6420 69.4324 72.4970 -13.84%
2017 85.2960 77.5480 94.1285 76.3164 84.1442 9.16%
2016 65.3494 58.1299 77.6739 50.0130 77.0867 31.90%
2015 57.5069 55.4652 64.6447 49.4027 58.4421 8.37%
2014 47.3039 41.5719 54.7656 40.1875 53.9292 28.05%
2013 46.1379 45.2164 50.1066 41.5247 42.1147 -6.24%
2012 45.3072 44.0441 49.8567 41.8673 44.9158 1.50%
2011 41.8412 41.3682 46.1841 34.9997 44.2499 8.37%
2010 39.7162 45.9304 46.3441 32.8437 40.8311 -9.95%
2009 39.6751 39.3861 46.6138 32.4490 45.3446 17.24%
2008 36.5344 38.4042 42.0465 30.0053 38.6783 -1.08%
2007 38.9103 37.7676 43.0377 35.4725 39.0989 0.58%
2006 40.3897 37.3881 47.0719 35.7212 38.8752 3.67%
2005 36.7346 34.2661 39.5600 32.2495 37.4974 8.49%
2004 30.7283 25.9430 34.9389 25.9430 34.5627 31.66%
2003 22.0069 21.1853 26.6145 17.2247 26.2518 28.49%
2002 25.3197 24.9412 34.0796 18.2086 20.4312 -20.65%
2001 21.4463 24.2262 26.8766 14.1906 25.7491 1.00%
2000 14.3044 5.3861 25.6849 5.3300 25.4942 364.62%
1999 4.4746 3.2653 5.6217 3.2317 5.4871 71.58%
1998 3.2624 3.0746 4.1181 2.6257 3.1980 5.56%
1997 3.0938 2.6257 3.6917 2.5808 3.0297 11.57%
Sector Industry Market Cap Revenue
Medical Medical - Outpatient & Home Care $19.317B $9.872B
Quest Diagnostics, Inc. is the provider of commercial laboratory services. Quest provides lab testing services to physicians, hospitals, managed care organizations, employers, government institutions and other clinical laboratories. The company consists of 2 business groups - Diagnostic Information Services and Diagnostic Solutions. The company's focus is on two elements - to accelerate growth and to drive operational excellence. Restore Growth: The company has adopted seven tactical approaches to accelerate growth such as sales and marketing; development of esoteric testing through a disease focus; partnerships with hospitals and successful testing of international IDNs; creation of value from information assets; leadership in companion diagnostics; extension into adjacent markets. Drive Operational excellence: The company plans to focus on four strategic requirements - to enhance end-to-end customer value chain, enterprise information technology architecture, business performance tools and cost excellence.
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