Quest Diagnostics (DGX) Shares Outstanding (2009 - 2026)
Quest Diagnostics' Weighted Average Shares Outstanding was 110 million in Q3 2026, down 1.8% from 112 million a year earlier and down 0.9% from the prior quarter.
Quest Diagnostics (DGX) Shares Outstanding (2009 - 2026) Analysis & Trends
For FY2025, Weighted Average Shares Outstanding at Quest Diagnostics came in at 111 million, unchanged from FY2024.
- Weighted Average Shares Outstanding shows a five-year compound annual growth rate of -3.7% (FY2020 to FY2025).
- In earlier years, Weighted Average Shares Outstanding was 111 million in FY2024 (-0.9%), 112 million in FY2023 (-3.4%), 116 million in FY2022 (-7.2%) and 125 million in FY2021 (-6.7%).
- Quarterly Weighted Average Shares Outstanding has moved between 110 million (Q1 2026) and 125 million (Q4 2021) over five years.
- Compared with a year earlier, Weighted Average Shares Outstanding has declined for three straight quarters, with an average decline of 0.4% over the last eight quarters.
- The best year-over-year quarter for Weighted Average Shares Outstanding over five years was Q2 2025 (growth of 0.9%); the worst was Q1 2022 (a decline of 10.5%).
- Per Business Quant data, DGX's Weighted Average Shares Outstanding in the three quarters before Q3 2026 was 111 million (Q2 2026), 110 million (Q1 2026) and 111 million (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 98.64 Bn | 98.22 Bn | - | 214.59 Mn |
| 2 | Natera | 54.42 Bn | 50.10 Bn | 485.19 Mn | 143.28 Mn |
| 3 | Labcorp Holdings | 28.77 Bn | 26.87 Bn | 1.11 Bn | 81.70 Mn |
| 4 | Quest Diagnostics | 27.60 Bn | 25.68 Bn | 1.04 Bn | 110.00 Mn |
| 5 | Guardant Health | 22.81 Bn | 18.87 Bn | 219.03 Mn | 132.87 Mn |
| 6 | Tenet Healthcare | 21.39 Bn | 12.88 Bn | - | 80.13 Mn |
| 7 | Tempus AI | 13.75 Bn | 10.78 Bn | 246.50 Mn | 179.92 Mn |
| 8 | Encompass Health | 13.53 Bn | 14.00 Bn | - | 98.80 Mn |
| 9 | BrightSpring Health Services | 13.09 Bn | 11.43 Bn | 492.75 Mn | 206.04 Mn |
| 10 | Fresenius Medical Care AG | 12.64 Bn | 5.70 Bn | 1.52 Bn | 582.38 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 110.00 Mn |
| Jun 30, 2026 | 111.00 Mn |
| Mar 31, 2026 | 110.00 Mn |
| Dec 31, 2025 | 111.00 Mn |
| Sep 30, 2025 | 112.00 Mn |
| Jun 30, 2025 | 112.00 Mn |
| Mar 31, 2025 | 111.00 Mn |
| Dec 31, 2024 | 111.00 Mn |
| Sep 30, 2024 | 112.00 Mn |
| Jun 30, 2024 | 111.00 Mn |
| Mar 31, 2024 | 111.00 Mn |
| Dec 31, 2023 | 112.00 Mn |
| Sep 30, 2023 | 112.00 Mn |
| Jun 30, 2023 | 112.00 Mn |
| Mar 31, 2023 | 112.00 Mn |
| Dec 31, 2022 | 116.00 Mn |
| Sep 30, 2022 | 116.00 Mn |
| Jun 30, 2022 | 117.00 Mn |
| Mar 31, 2022 | 119.00 Mn |
| Dec 31, 2021 | 125.00 Mn |
Quest Diagnostics Shares Outstanding 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&ticker=DGX&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding", "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&ticker=DGX&period=max&api_key=YOUR_API_KEY");
const data = await res.json();