Quest Diagnostics (DGX) Shares Outstanding (Diluted) (2009 - 2026)
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.
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 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
| Date | Value |
|---|---|
| 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 |
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
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "DGX", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=DGX&period=max&api_key=YOUR_API_KEY");
const data = await res.json();