Stocks · Health care · Services-Medical Laboratories

Quest Diagnostics

DGX Clue Score40
United States Fiscal year ends December CIK 0001022079
230.97
+0.07%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
230.97 on 9 Oct 2026
247 210 173 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $182.78 14 Oct 2025 $185.39 15 Oct 2025 $187.35 16 Oct 2025 $186.82 17 Oct 2025 $189.51 20 Oct 2025 $190.41 21 Oct 2025 $184.64 22 Oct 2025 $181.17 23 Oct 2025 $183.23 24 Oct 2025 $182.18 27 Oct 2025 $180.26 28 Oct 2025 $178.28 29 Oct 2025 $174.78 30 Oct 2025 $175.75 31 Oct 2025 $175.95 3 Nov 2025 $178.84 4 Nov 2025 $178.03 5 Nov 2025 $178.26 6 Nov 2025 $176.51 7 Nov 2025 $179.50 10 Nov 2025 $184.31 11 Nov 2025 $188.85 12 Nov 2025 $186.85 13 Nov 2025 $187.58 14 Nov 2025 $186.95 17 Nov 2025 $186.19 18 Nov 2025 $185.32 19 Nov 2025 $185.96 20 Nov 2025 $187.61 21 Nov 2025 $191.25 24 Nov 2025 $190.58 25 Nov 2025 $192.35 26 Nov 2025 $189.69 28 Nov 2025 $189.18 1 Dec 2025 $183.77 2 Dec 2025 $182.55 3 Dec 2025 $182.61 4 Dec 2025 $184.18 5 Dec 2025 $182.51 8 Dec 2025 $181.82 9 Dec 2025 $179.62 10 Dec 2025 $179.51 11 Dec 2025 $181.57 12 Dec 2025 $182.56 15 Dec 2025 $184.11 16 Dec 2025 $178.66 17 Dec 2025 $179.10 18 Dec 2025 $176.15 19 Dec 2025 $176.06 22 Dec 2025 $176.34 23 Dec 2025 $175.08 24 Dec 2025 $175.92 26 Dec 2025 $175.94 29 Dec 2025 $175.52 30 Dec 2025 $175.49 31 Dec 2025 $173.53 2 Jan 2026 $173.79 5 Jan 2026 $173.49 6 Jan 2026 $180.46 7 Jan 2026 $178.14 8 Jan 2026 $177.74 9 Jan 2026 $174.44 12 Jan 2026 $175.94 13 Jan 2026 $179.96 14 Jan 2026 $186.77 15 Jan 2026 $190.26 16 Jan 2026 $189.49 20 Jan 2026 $188.95 21 Jan 2026 $184.65 22 Jan 2026 $182.16 23 Jan 2026 $181.02 26 Jan 2026 $182.53 27 Jan 2026 $184.24 28 Jan 2026 $182.74 29 Jan 2026 $182.35 30 Jan 2026 $187.03 2 Feb 2026 $185.00 3 Feb 2026 $185.17 4 Feb 2026 $189.23 5 Feb 2026 $192.30 6 Feb 2026 $190.71 9 Feb 2026 $191.25 10 Feb 2026 $205.35 11 Feb 2026 $209.32 12 Feb 2026 $206.86 13 Feb 2026 $206.87 17 Feb 2026 $205.49 18 Feb 2026 $204.39 19 Feb 2026 $202.44 20 Feb 2026 $202.41 23 Feb 2026 $207.43 24 Feb 2026 $209.54 25 Feb 2026 $207.80 26 Feb 2026 $211.10 27 Feb 2026 $211.91 2 Mar 2026 $210.25 3 Mar 2026 $208.36 4 Mar 2026 $208.45 5 Mar 2026 $203.98 6 Mar 2026 $199.21 9 Mar 2026 $201.58 10 Mar 2026 $200.90 11 Mar 2026 $200.56 12 Mar 2026 $200.88 13 Mar 2026 $199.70 16 Mar 2026 $198.94 17 Mar 2026 $198.61 18 Mar 2026 $195.23 19 Mar 2026 $194.16 20 Mar 2026 $195.26 23 Mar 2026 $195.60 24 Mar 2026 $196.08 25 Mar 2026 $196.46 26 Mar 2026 $198.15 27 Mar 2026 $195.51 30 Mar 2026 $197.16 31 Mar 2026 $195.98 1 Apr 2026 $197.69 2 Apr 2026 $198.02 6 Apr 2026 $198.96 7 Apr 2026 $196.81 8 Apr 2026 $198.81 9 Apr 2026 $197.82 10 Apr 2026 $191.51 13 Apr 2026 $192.91 14 Apr 2026 $194.16 15 Apr 2026 $191.42 16 Apr 2026 $191.46 17 Apr 2026 $195.02 20 Apr 2026 $196.31 21 Apr 2026 $205.04 22 Apr 2026 $204.00 23 Apr 2026 $199.53 24 Apr 2026 $196.27 27 Apr 2026 $196.63 28 Apr 2026 $195.05 29 Apr 2026 $189.32 30 Apr 2026 $194.20 1 May 2026 $192.67 4 May 2026 $191.50 5 May 2026 $190.84 6 May 2026 $189.13 7 May 2026 $190.84 8 May 2026 $187.39 11 May 2026 $189.81 12 May 2026 $190.18 13 May 2026 $190.85 14 May 2026 $187.94 15 May 2026 $186.61 18 May 2026 $189.84 19 May 2026 $190.39 20 May 2026 $193.75 21 May 2026 $193.82 22 May 2026 $195.21 26 May 2026 $192.88 27 May 2026 $193.99 28 May 2026 $196.20 29 May 2026 $194.90 1 Jun 2026 $192.20 2 Jun 2026 $193.16 3 Jun 2026 $193.67 4 Jun 2026 $196.12 5 Jun 2026 $200.29 8 Jun 2026 $197.21 9 Jun 2026 $204.53 10 Jun 2026 $203.78 11 Jun 2026 $203.83 12 Jun 2026 $203.06 15 Jun 2026 $202.18 16 Jun 2026 $201.04 17 Jun 2026 $197.76 18 Jun 2026 $195.00 22 Jun 2026 $193.58 23 Jun 2026 $197.18 24 Jun 2026 $203.11 25 Jun 2026 $206.24 26 Jun 2026 $209.88 29 Jun 2026 $212.64 30 Jun 2026 $211.95 1 Jul 2026 $216.02 2 Jul 2026 $215.72 6 Jul 2026 $213.45 7 Jul 2026 $212.38 8 Jul 2026 $208.21 9 Jul 2026 $208.05 10 Jul 2026 $207.44 13 Jul 2026 $207.35 14 Jul 2026 $206.00 15 Jul 2026 $201.77 16 Jul 2026 $209.41 17 Jul 2026 $210.68 20 Jul 2026 $207.66 21 Jul 2026 $206.84 22 Jul 2026 $209.83 23 Jul 2026 $227.90 24 Jul 2026 $227.86 27 Jul 2026 $231.84 28 Jul 2026 $235.94 29 Jul 2026 $235.22 30 Jul 2026 $234.30 31 Jul 2026 $233.01 3 Aug 2026 $231.95 4 Aug 2026 $233.72 5 Aug 2026 $235.84 6 Aug 2026 $238.50 7 Aug 2026 $238.35 10 Aug 2026 $237.63 11 Aug 2026 $237.50 12 Aug 2026 $237.77 13 Aug 2026 $236.04 14 Aug 2026 $234.40 17 Aug 2026 $235.52 18 Aug 2026 $236.25 19 Aug 2026 $241.76 20 Aug 2026 $241.30 21 Aug 2026 $244.39 24 Aug 2026 $243.87 25 Aug 2026 $244.51 26 Aug 2026 $245.00 27 Aug 2026 $244.61 28 Aug 2026 $242.76 31 Aug 2026 $240.30 1 Sep 2026 $236.22 2 Sep 2026 $240.80 3 Sep 2026 $239.40 4 Sep 2026 $237.14 8 Sep 2026 $235.50 9 Sep 2026 $235.46 10 Sep 2026 $231.14 11 Sep 2026 $235.02 14 Sep 2026 $237.89 15 Sep 2026 $247.08 16 Sep 2026 $247.08 17 Sep 2026 $247.45 18 Sep 2026 $246.45 21 Sep 2026 $244.88 22 Sep 2026 $234.76 23 Sep 2026 $233.00 24 Sep 2026 $236.59 25 Sep 2026 $236.32 28 Sep 2026 $237.62 29 Sep 2026 $231.97 30 Sep 2026 $233.07 1 Oct 2026 $231.09 2 Oct 2026 $233.33 5 Oct 2026 $232.22 6 Oct 2026 $228.39 7 Oct 2026 $227.06 8 Oct 2026 $230.81 9 Oct 2026 $230.97 PFEIFFER GARY M Director Sold at will $270.32K 22 Oct 2025 · at $182.40 · 4.8% of stake DELANEY MARK E SVP & Chief Commercial Officer Sold on a plan $1.49M 18 Nov 2025 · at $187.35 · 51.3% of stake Gregg Vicky B Director Sold at will $239.70K 25 Nov 2025 · at $191.76 · 6.8% of stake Davis J. E. CEO and President Sold on a plan $10.59M 25 Nov 2025 · at $192.22 · 31.4% of stake Plewman Patrick SVP for Diagnostic Services Sold on a plan $1.16M 10 Feb 2026 · at $204.00 · 26.9% of stake Doherty Catherine T. EVP, Regional Businesses Sold on a plan $5.39M 13 Feb 2026 · at $206.15 · 27.8% of stake Plewman Patrick SVP for Diagnostic Services Sold on a plan $196.23K 19 Feb 2026 · at $204.83 · 5.7% of stake PREVOZNIK MICHAEL E SVP & General Counsel Sold on a plan $227.57K 19 Feb 2026 · at $204.83 · 2.8% of stake Doherty Catherine T. EVP, Regional Businesses Sold on a plan $293.52K 19 Feb 2026 · at $204.83 · 2.1% of stake Davis J. E. CEO and President Sold on a plan $2.13M 2 Mar 2026 · at $212.52 · 7.9% of stake Plewman Patrick SVP for Diagnostic Services Sold on a plan $85.17K 3 Mar 2026 · at $207.73 · 2.6% of stake PREVOZNIK MICHAEL E SVP & General Counsel Sold on a plan $109.27K 3 Mar 2026 · at $207.73 · 1.4% of stake Doherty Catherine T. EVP, Regional Businesses Sold on a plan $131.29K 3 Mar 2026 · at $207.73 · 0.9% of stake KUPPUSAMY KARTHIK SVP, Clinical Solutions Sold at will $538.37K 4 Mar 2026 · at $204.86 · 16.4% of stake Plewman Patrick SVP for Diagnostic Services Sold on a plan $588.73K 5 Mar 2026 · at $206.21 · 15.8% of stake PREVOZNIK MICHAEL E SVP & General Counsel Sold on a plan $799.68K 5 Mar 2026 · at $206.21 · 9.4% of stake Doherty Catherine T. EVP, Regional Businesses Sold on a plan $1.15M 5 Mar 2026 · at $206.21 · 7.6% of stake Davis J. E. CEO and President Sold on a plan $1.94M 1 Jun 2026 · at $194.14 · 7.0% of stake KUPPUSAMY KARTHIK SVP, Clinical Solutions Sold on a plan $1.63M 4 Jun 2026 · at $200.00 · 37.6% of stake DELANEY MARK E SVP & Chief Commercial Officer Sold on a plan $376.29K 28 Jul 2026 · at $235.18 · 13.4% of stake PREVOZNIK MICHAEL E SVP & General Counsel Sold on a plan $5.51M 28 Aug 2026 · at $243.11 · 37.6% of stake Davis J. E. CEO and President Sold on a plan $2.43M 1 Sep 2026 · at $242.72 · 7.6% of stake
0 buys3 sales at will19 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$11.04B
Net income
$992.00M
Free cash flow
$1.36B
Operating margin
14.1%
Net margin
9.0%
Return on equity
13.8%
Return on capital
9.2%
Debt to equity
0.79
Revenue growth, 1 yr
11.8%
Revenue growth, 5 yr
3.2% a year
EPS growth, 1 yr
13.8%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
9.4B 1.4B FY20 Fiscal year 2020 Revenue $9.44B Net income $1.43B Margin 15.2% 10.8B 2B FY21 Fiscal year 2021 Revenue $10.79B Net income $2.00B Margin 18.5% · growth +14.3% 9.9B 946M FY22 Fiscal year 2022 Revenue $9.88B Net income $946.00M Margin 9.6% · growth -8.4% 9.3B 854M FY23 Fiscal year 2023 Revenue $9.25B Net income $854.00M Margin 9.2% · growth -6.4% 9.9B 871M FY24 Fiscal year 2024 Revenue $9.87B Net income $871.00M Margin 8.8% · growth +6.7% 11B 992M FY25 Fiscal year 2025 Revenue $11.04B Net income $992.00M Margin 9.0% · growth +11.8%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
1 Sep 2026 Davis J. E.
CEO and President
Sold on a plan $2.43M 7.6%
28 Aug 2026 PREVOZNIK MICHAEL E
SVP & General Counsel
Sold on a plan $5.51M 37.6%
28 Jul 2026 DELANEY MARK E
SVP & Chief Commercial Officer
Sold on a plan $376.29K 13.4%
4 Jun 2026 KUPPUSAMY KARTHIK
SVP, Clinical Solutions
Sold on a plan $1.63M 37.6%
1 Jun 2026 Davis J. E.
CEO and President
Sold on a plan $1.94M 7.0%
5 Mar 2026 Doherty Catherine T.
EVP, Regional Businesses
Sold on a plan $1.15M 7.6%