Quest Diagnostics Inc (DGX) stock
DGXNYSEServices-Medical LaboratoriesFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 23, 2026Score 12/3010% above fair value
$259.60−0.05 (-0.02%)
Close on Nov 13, 2026Market cap $28.56BP/E 25.9Yield –
Quest Diagnostics operating margin
Operating margin is operating income as a percentage of revenue.
Quest Diagnostics's operating margin for the twelve months ending Sep 30, 2026 was 14.6%. For fiscal 2025 it was 14.1%, against 13.6% the year before. The highest annual figure on record is 22.1% in fiscal 2021.
Annual operating margin
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| FY2025 | Dec 31, 2025 | 14.1% | +0.5 |
| FY2024 | Dec 31, 2024 | 13.6% | −0.0 |
| FY2023 | Dec 31, 2023 | 13.6% | −0.8 |
| FY2022 | Dec 31, 2022 | 14.4% | −7.6 |
| FY2021 | Dec 31, 2021 | 22.1% | +1.2 |
| FY2020 | Dec 31, 2020 | 20.9% | +5.0 |
| FY2019 | Dec 31, 2019 | 15.9% | +1.3 |
| FY2018 | Dec 31, 2018 | 14.6% | −1.1 |
| FY2017 | Dec 31, 2017 | 15.7% | −2.0 |
| FY2016 | Dec 31, 2016 | 17.7% | −1.0 |
| FY2015 | Dec 31, 2015 | 18.7% | +5.4 |
| FY2014 | Dec 31, 2014 | 13.2% | −7.4 |
| FY2013 | Dec 31, 2013 | 20.6% | +4.4 |
| FY2012 | Dec 31, 2012 | 16.3% | +2.9 |
| FY2011 | Dec 31, 2011 | 13.4% | −4.3 |
| FY2010 | Dec 31, 2010 | 17.7% | −0.6 |
| FY2009 | Dec 31, 2009 | 18.2% | +1.4 |
| FY2008 | Dec 31, 2008 | 16.9% | +0.6 |
| FY2007 | Dec 31, 2007 | 16.3% | – |
Quarterly operating margin
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| Q3 FY2026 | Sep 30, 2026 | 15.5% | +1.8 |
| Q2 FY2026 | Jun 30, 2026 | 15.1% | −0.8 |
| Q1 FY2026 | Mar 31, 2026 | 13.8% | +0.7 |
| Q4 FY2025 | Dec 31, 2025 | 13.8% | −0.0 |
| Q3 FY2025 | Sep 30, 2025 | 13.7% | +0.4 |
| Q2 FY2025 | Jun 30, 2025 | 15.9% | +1.1 |
| Q1 FY2025 | Mar 31, 2025 | 13.0% | +0.4 |
| Q4 FY2024 | Dec 31, 2024 | 13.8% | +2.1 |
| Q3 FY2024 | Sep 30, 2024 | 13.3% | −1.6 |
| Q2 FY2024 | Jun 30, 2024 | 14.8% | −0.1 |
| Q1 FY2024 | Mar 31, 2024 | 12.7% | −0.4 |
| Q4 FY2023 | Dec 31, 2023 | 11.7% | +5.9 |
| Q3 FY2023 | Sep 30, 2023 | 14.9% | −0.9 |
| Q2 FY2023 | Jun 30, 2023 | 14.9% | −0.9 |
| Q1 FY2023 | Mar 31, 2023 | 13.1% | −6.6 |
| Q4 FY2022 | Dec 31, 2022 | 5.8% | −13.7 |
| Q3 FY2022 | Sep 30, 2022 | 15.8% | −7.7 |
| Q2 FY2022 | Jun 30, 2022 | 15.8% | −5.1 |
| Q1 FY2022 | Mar 31, 2022 | 19.6% | −4.6 |
| Q4 FY2021 | Dec 31, 2021 | 19.5% | −6.9 |
| Q3 FY2021 | Sep 30, 2021 | 23.5% | −2.3 |
| Q2 FY2021 | Jun 30, 2021 | 20.9% | +5.4 |
| Q1 FY2021 | Mar 31, 2021 | 24.3% | +14.7 |
| Q4 FY2020 | Dec 31, 2020 | 26.5% | +7.6 |
| Q3 FY2020 | Sep 30, 2020 | 25.8% | +9.8 |
| Q2 FY2020 | Jun 30, 2020 | 15.5% | −0.2 |
| Q1 FY2020 | Mar 31, 2020 | 9.6% | −3.5 |
| Q4 FY2019 | Dec 31, 2019 | 18.8% | +6.9 |
| Q3 FY2019 | Sep 30, 2019 | 16.0% | −0.1 |
| Q2 FY2019 | Jun 30, 2019 | 15.7% | −0.2 |
| Q1 FY2019 | Mar 31, 2019 | 13.1% | −1.3 |
| Q4 FY2018 | Dec 31, 2018 | 12.0% | −2.5 |
| Q3 FY2018 | Sep 30, 2018 | 16.1% | +0.0 |
| Q2 FY2018 | Jun 30, 2018 | 15.9% | −1.2 |
| Q1 FY2018 | Mar 31, 2018 | 14.4% | −0.9 |
| Q4 FY2017 | Dec 31, 2017 | 14.4% | −0.4 |
| Q3 FY2017 | Sep 30, 2017 | 16.1% | – |
| Q2 FY2017 | Jun 30, 2017 | 17.1% | – |
| Q1 FY2017 | Mar 31, 2017 | 15.4% | – |
| Q4 FY2016 | Dec 31, 2016 | 14.8% | – |
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