Shares Outstanding for Quest Diagnostics (DGX)
According to Quest Diagnostics's latest reported financial statements, the company's latest reported diluted shares outstanding is 112.00M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
Currently viewingShares OutstandingSwitch metric
Latest period
112.00M
YoY change
0.0%
5Y CAGR
-3.6%
Peak year (2003)
216.20M
Latest annual
113.00M
Shares Outstanding history chart for Quest Diagnostics (DGX) from 1996 to 2025
Shares Outstanding history table for Quest Diagnostics (DGX) from 1996 to 2025
| Fiscal year | Period ended | Reported | Shares Outstanding | YoY |
|---|---|---|---|---|
| 2025 | 113.00M | 0.0% | ||
| 2024 | 113.00M | 0.0% | ||
| 2023 | 113.00M | -4.2% | ||
| 2022 | 118.00M | -7.8% | ||
| 2021 | 128.00M | -5.9% | ||
| 2020 | 136.00M | 0.0% | ||
| 2019 | 136.00M | -2.2% | ||
| 2018 | 139.00M | -0.7% | ||
| 2017 | 140.00M | -1.4% | ||
| 2016 | 142.00M | -2.1% | ||
| 2015 | 145.00M | 0.0% | ||
| 2014 | 145.00M | -5.2% | ||
| 2013 | 153.00M | -4.4% | ||
| 2012 | 160.10M | -0.1% | ||
| 2011 | 160.20M | -9.6% | ||
| 2010 | 177.30M | -5.6% | ||
| 2009 | 187.80M | -4.2% | ||
| 2008 | 196.00M | +0.4% | ||
| 2007 | 195.26M | -2.1% | ||
| 2006 | 199.54M | -2.9% | ||
| 2005 | 205.53M | -3.2% | ||
| 2004 | 212.42M | -1.7% | ||
| 2003 | 216.20M | +8.4% | ||
| 2002 | 199.48M | +2.0% | ||
| 2001 | 195.55M | +3.5% | ||
| 2000 | 188.99M | +39.0% | ||
| 1999 | 136.00M | +12.5% | ||
| 1998 | 120.90M | +4.1% | ||
| 1997 | 116.15M | -1.1% | ||
| 1996 | 117.45M | — |
Shares Outstanding values are taken from Quest Diagnostics's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
In 2025, Quest Diagnostics (DGX) diluted shares outstanding totalled 113.00M – edged up 0.0% year-over-year.
Over 2020–2025 (5 years), Quest Diagnostics diluted shares outstanding expanded at a -3.6% compound annual rate, with a net decline across the window.
Between 2003 and 2025, Quest Diagnostics diluted shares outstanding plunged 47.7%, falling from 216.20M to 113.00M.
Across the available history, diluted shares outstanding reached its high of 216.20M in 2003 and its low of 113.00M in 2023.
Among 8 Healthcare peers, Quest Diagnostics (DGX) ranks 9th; the peer median for diluted shares outstanding is 1.34B.
Quest Diagnostics Shares Outstanding by Year
Quest Diagnostics Shares Outstanding 2025: 113.00M
Quest Diagnostics diluted shares outstanding in 2025 was 113.00M, edged up 0.0% from 2024.
Quest Diagnostics Shares Outstanding 2024: 113.00M
Quest Diagnostics diluted shares outstanding in 2024 was 113.00M, edged up 0.0% from 2023.
Quest Diagnostics Shares Outstanding 2023: 113.00M
Quest Diagnostics diluted shares outstanding in 2023 was 113.00M, edged down 4.2% below 2022. This figure represents the lowest annual value in the available history.
Quest Diagnostics Shares Outstanding 2022: 118.00M
Quest Diagnostics diluted shares outstanding in 2022 was 118.00M, declined 7.8% below 2021.
Quest Diagnostics Shares Outstanding 2021: 128.00M
Quest Diagnostics diluted shares outstanding in 2021 was 128.00M.
See more financial history for Quest Diagnostics (DGX).
Sector peers — Shares Outstanding
Companies in the same sector as Quest Diagnostics, ranked by their latest diluted shares outstanding.
| Company | Shares Outstanding | Sector |
|---|---|---|
| Novo Nordisk A/S (NVO) | 4.45B | Healthcare |
| Merck & Co., Inc. (MRK) | 2.51B | Healthcare |
| Johnson & Johnson (JNJ) | 2.43B | Healthcare |
| AbbVie Inc. (ABBV) | 1.77B | Healthcare |
| UnitedHealth Group Incorporated (UNH) | 910.00M | Healthcare |
| Eli Lilly and Company (LLY) | 898.00M | Healthcare |
| AstraZeneca PLC (AZN) | 781.00M | Healthcare |
| Amgen Inc. (AMGN) | 542.00M | Healthcare |
Frequently asked questions
What is Quest Diagnostics's diluted shares outstanding?
- Latest reported diluted shares outstanding for Quest Diagnostics (DGX) is 112.00M (period ending March 31, 2026).
How has Quest Diagnostics diluted shares outstanding changed year-over-year?
- Quest Diagnostics (DGX) diluted shares outstanding changed 0.0% year-over-year on the latest annual filing.
What is the long-term growth rate of Quest Diagnostics diluted shares outstanding?
- Quest Diagnostics (DGX) diluted shares outstanding compound annual growth rate is -3.6% over the most recent 5 years available.
When did Quest Diagnostics diluted shares outstanding hit its highest annual value?
- Quest Diagnostics diluted shares outstanding reached its highest annual value of 216.20M in 2003.
What was Quest Diagnostics diluted shares outstanding in 2024?
- Quest Diagnostics (DGX) diluted shares outstanding in 2024 was 113.00M.
What was Quest Diagnostics diluted shares outstanding in 2025?
- Quest Diagnostics (DGX) diluted shares outstanding in 2025 was 113.00M.
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