Quest Diagnostics (DGX) Shares Outstanding (Diluted) (2009 - 2026)
Quest Diagnostics (DGX) posted Weighted Average Shares Outstanding (Diluted) of 112 million for Q3 2026, down 0.9% from 113 million a year earlier and unchanged from the prior quarter.
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Quest Diagnostics (DGX) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends
For FY2025, Quest Diagnostics' Weighted Average Shares Outstanding (Diluted) came in at 113 million, unchanged from FY2024.
- Annual Weighted Average Shares Outstanding (Diluted) shows a five-year compound annual growth rate of -3.6% (FY2020 to FY2025).
- In prior years, Quest Diagnostics' Weighted Average 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 Weighted Average 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, Weighted Average Shares Outstanding (Diluted) has declined in each of the last three quarters, with an average decline of 0.1% over the last eight quarters.
- The strongest year-over-year quarter for Weighted Average 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, Weighted Average Shares Outstanding (Diluted) for the three prior quarters was 112 million (Q2 2026), 112 million (Q1 2026) and 113 million (Q4 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 109.10 Bn | 105.20 Bn | - | 217.21 Mn |
| 2 | Natera | 55.34 Bn | 51.02 Bn | 485.19 Mn | 143.28 Mn |
| 3 | Labcorp Holdings | 29.95 Bn | 28.04 Bn | 1.11 Bn | 82.00 Mn |
| 4 | Quest Diagnostics | 28.02 Bn | 25.79 Bn | 1.04 Bn | 112.00 Mn |
| 5 | Tenet Healthcare | 23.12 Bn | 12.42 Bn | - | 80.60 Mn |
| 6 | Guardant Health | 22.63 Bn | 18.69 Bn | 219.03 Mn | 132.87 Mn |
| 7 | BrightSpring Health Services | 14.50 Bn | 12.26 Bn | 518.55 Mn | 220.23 Mn |
| 8 | Encompass Health | 13.79 Bn | 13.42 Bn | - | 99.70 Mn |
| 9 | Tempus AI | 13.70 Bn | 10.85 Bn | 266.70 Mn | 181.31 Mn |
| 10 | Davita | 12.13 Bn | 9.50 Bn | 1.13 Bn | 65.50 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 112.00 Mn |
| 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 |
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_KEYimport 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();