Quest Diagnostics DGX
NYSE DGX
$233.88 +3.42 (+1.49%)
As of: Oct 14, 2026 · 1:23 PM EDT

Quest Diagnostics (DGX) Shares Outstanding (Diluted) (2009 - 2026)

Updated

Quest Diagnostics (DGX) posted Shares Outstanding (Diluted) of 112 million for Q2 2026, down 0.9% from 113 million a year earlier and unchanged from the prior quarter.

Analysis

Quest Diagnostics (DGX) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends

For FY2025, Quest Diagnostics' Shares Outstanding (Diluted) came in at 113 million, unchanged from FY2024.

  • Annual Shares Outstanding (Diluted) shows a five-year compound annual growth rate of -3.6% (FY2020 to FY2025).
  • In prior years, Quest Diagnostics' Shares Outstanding (Diluted) was 113 million in FY2024 (unchanged), 113 million in FY2023 (-4.2%), 118 million in FY2022 (-7.8%) and 128 million in FY2021 (-5.9%).
  • Quarterly Shares Outstanding (Diluted) has run from a low of 112 million in Q1 2024 to a high of 128 million in Q4 2021 over five years.
  • On a year-over-year basis, Shares Outstanding (Diluted) increased in two of the last eight quarters, with an average decline of 0.1%.
  • The strongest year-over-year quarter for Shares Outstanding (Diluted) in the past five years was Q2 2025, with growth of 0.9%; the weakest was Q1 2022, with a decline of 10.4%.
  • According to Business Quant data, Shares Outstanding (Diluted) for the three prior quarters was 112 million (Q1 2026), 113 million (Q4 2025) and 113 million (Q3 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Dil.) (Qtr)
1 HCA Healthcare 103.46 Bn 99.47 Bn - 222.83 Mn
2 Natera 57.12 Bn 52.81 Bn 485.19 Mn 143.28 Mn
3 Labcorp Holdings 25.99 Bn 23.74 Bn 1.11 Bn 82.00 Mn
4 Quest Diagnostics 25.96 Bn 24.09 Bn 1.03 Bn 112.00 Mn
5 Tenet Healthcare 22.80 Bn 11.80 Bn - 83.96 Mn
6 Guardant Health 21.63 Bn 17.69 Bn 219.03 Mn 132.87 Mn
7 BrightSpring Health Services 13.01 Bn 11.34 Bn 492.75 Mn 220.28 Mn
8 Encompass Health 12.46 Bn 12.13 Bn - 100.00 Mn
9 Tempus AI 12.46 Bn 9.49 Bn 246.50 Mn 182.40 Mn
10 Fresenius Medical Care AG 12.45 Bn 4.41 Bn 1.52 Bn 612.52 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 112.00 Mn
Mar 31, 2026 112.00 Mn
Dec 31, 2025 113.00 Mn
Sep 30, 2025 113.00 Mn
Jun 30, 2025 113.00 Mn
Mar 31, 2025 113.00 Mn
Dec 31, 2024 113.00 Mn
Sep 30, 2024 113.00 Mn
Jun 30, 2024 112.00 Mn
Mar 31, 2024 112.00 Mn
Dec 31, 2023 113.00 Mn
Sep 30, 2023 114.00 Mn
Jun 30, 2023 114.00 Mn
Mar 31, 2023 113.00 Mn
Dec 31, 2022 118.00 Mn
Sep 30, 2022 118.00 Mn
Jun 30, 2022 119.00 Mn
Mar 31, 2022 121.00 Mn
Dec 31, 2021 128.00 Mn
Sep 30, 2021 125.00 Mn
API Access

Quest Diagnostics Shares Outstanding (Diluted) API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=DGX&period=max&api_key=YOUR_API_KEY