Quest Diagnostics - 15 Year Stock Price History | DGX
Historical daily share price chart and data for Quest Diagnostics since 2011 adjusted for splits and dividends. The latest closing stock price for Quest Diagnostics as of September 16, 2026 is 247.08.
- The all-time high Quest Diagnostics stock closing price was 247.08 on September 15, 2026.
- The Quest Diagnostics 52-week high stock price is 248.65, which is 0.6% above the current share price.
- The Quest Diagnostics 52-week low stock price is 171.18, which is 30.7% below the current share price.
- The average Quest Diagnostics stock price for the last 52 weeks is 199.06.
| Quest Diagnostics Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2026 | 204.9287 | 171.5550 | 247.0800 | 171.2580 | 247.0800 | 44.24% |
| 2025 | 171.1409 | 146.2530 | 189.8760 | 146.2530 | 171.2980 | 17.20% |
| 2024 | 137.5502 | 133.5570 | 158.7800 | 118.0150 | 146.1560 | 11.77% |
| 2023 | 128.2251 | 144.7570 | 144.7570 | 114.0100 | 130.7690 | -10.05% |
| 2022 | 126.7458 | 149.0660 | 149.0660 | 112.5520 | 145.3800 | -7.35% |
| 2021 | 124.6821 | 107.8660 | 156.9200 | 102.5470 | 156.9200 | 47.86% |
| 2020 | 99.4218 | 92.0823 | 115.2130 | 64.1916 | 106.1290 | 14.11% |
| 2019 | 84.3177 | 69.9889 | 94.0506 | 68.7198 | 93.0055 | 31.13% |
| 2018 | 86.6778 | 82.6634 | 97.4826 | 67.9277 | 70.9259 | -13.84% |
| 2017 | 83.4475 | 75.8675 | 92.0886 | 74.6625 | 82.3207 | 9.16% |
| 2016 | 63.9332 | 56.8702 | 75.9906 | 48.9291 | 75.4161 | 31.90% |
| 2015 | 56.2606 | 54.2632 | 63.2438 | 48.3321 | 57.1756 | 8.37% |
| 2014 | 46.2787 | 40.6710 | 53.5788 | 39.3166 | 52.7605 | 28.05% |
| 2013 | 45.1381 | 44.2365 | 49.0207 | 40.6248 | 41.2020 | -6.24% |
| 2012 | 44.3253 | 43.0896 | 48.7763 | 40.9600 | 43.9424 | 1.50% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Medical | Medical - Outpatient & Home Care | $27.271B | $11.035B |
| 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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