Quest Diagnostics Incorporated logo
DGXQuest Diagnostics Incorporated

Shares Outstanding: 112.00M

The shares outstanding is 112.00M. It is below its 12-month average by 0.53% (112.60M).

Shares Outstanding

DGX Shares Outstanding

112.00M

Reported quarterly weighted average share count; no daily interpolation.

-11.81% 5Y
DGX Shares Outstanding

DGX Average Shares Outstanding Chart

DGX Shares Outstanding

DGX Current vs Average Shares Outstanding Chart

DGX Shares Outstanding Metrics

SHARES OUTSTANDING

112.00M

SHARES OUTSTANDING AVG TTM

112.60M

SHARES OUTSTANDING AVG 3Y

112.85M

SHARES OUTSTANDING AVG 5Y

115.85M

SHARES OUTSTANDING AVG 10Y

127.44M

SHARES OUTSTANDING AVG 15Y

135.68M

SHARES OUTSTANDING AVG 20Y

149.06M

CURRENT VS TTM AVG

-0.53%

CURRENT VS 3Y AVG

-0.75%

CURRENT VS 5Y AVG

-3.32%

CURRENT VS 10Y AVG

-12.11%

CURRENT VS 15Y AVG

-17.45%

CURRENT VS 20Y AVG

-24.86%

Share Structure

Shares Outstanding

111.00M

Float Shares

N/A

Stock Price

$206.24

Market Cap

$22.8B

Quarterly Shares Outstanding History

PeriodWeighted Average SharesQoQ Change
Q1 2026112.00M+0.00%
Q4 2025112.00M-0.88%
Q3 2025113.00M+0.00%
Q2 2025113.00M+0.00%
Q1 2025113.00M+0.00%
Q4 2024113.00M+0.00%
Q3 2024113.00M+0.89%
Q2 2024112.00M+0.00%
Q1 2024112.00M-0.88%
Q4 2023113.00M-0.88%
Q3 2023114.00M+0.00%
Q2 2023114.00M+0.88%
Q1 2023113.00M-1.74%
Q4 2022115.00M-2.54%
Q3 2022118.00M-0.84%
Q2 2022119.00M-1.65%
Q1 2022121.00M-3.20%
Q4 2021125.00M+0.00%
Q3 2021125.00M-1.57%
Q2 2021127.00M-5.93%
Q1 2021135.00M-1.46%
Q4 2020137.00M+0.00%
Q3 2020137.00M+0.74%
Q2 2020136.00M+0.74%
Q1 2020135.00M-0.74%
Q4 2019136.00M-0.73%
Q3 2019137.00M+0.74%
Q2 2019136.00M+0.00%
Q1 2019136.00M-0.73%
Q4 2018137.00M-1.44%
Q3 2018139.00M+0.00%
Q2 2018139.00M+0.00%
Q1 2018139.00M+0.00%
Q4 2017139.00M-0.71%
Q3 2017140.00M+0.00%
Q2 2017140.00M-0.71%
Q1 2017141.00M+0.00%
Q4 2016141.00M-0.70%
Q3 2016142.00M+0.00%
Q2 2016142.00M-1.39%
Q1 2016144.00M+0.00%
Q4 2015144.00M-0.69%
Q3 2015145.00M+0.00%
Q2 2015145.00M-0.68%
Q1 2015146.00M+0.00%
Q4 2014146.00M+0.69%
Q3 2014145.00M+0.00%
Q2 2014145.00M+0.00%
Q1 2014145.00M-0.68%
Q4 2013146.00M-3.25%
Q3 2013150.90M-2.08%
Q2 2013154.10M-3.32%
Q1 2013159.40M-0.44%
Q4 2012160.10M-0.37%
Q3 2012160.70M+0.56%
Q2 2012159.80M+0.06%
Q1 2012159.70M+0.88%
Q4 2011158.30M-0.44%
Q3 2011159.00M-0.25%
Q2 2011159.40M-2.33%
Q1 2011163.20M+1.05%
Q4 2010161.50M-7.34%
Q3 2010174.30M-3.60%
Q2 2010180.80M-0.88%
Q1 2010182.40M+1.22%
Q4 2009180.20M-3.74%
Q3 2009187.20M+0.11%
Q2 2009187.00M-1.94%
Q1 2009190.70M+0.70%
Q4 2008189.37M-3.97%
Q3 2008197.19M+0.55%
Q2 2008196.12M+0.17%
Q1 2008195.78M+0.84%
Q4 2007194.14M-0.74%
Q3 2007195.59M+0.57%
Q2 2007194.48M-0.40%
Q1 2007195.26M+0.97%
Q4 2006193.38M-3.37%
Q3 2006200.13M-0.23%
Q2 2006200.59M-0.22%
Q1 2006201.03M+1.33%
Q4 2005198.40M-3.75%
Q3 2005206.13M-0.21%
Q2 2005206.55M+0.20%
Q1 2005206.14M+2.19%
Q4 2004201.72M-2.34%
Q3 2004206.54M-2.02%
Q2 2004210.79M-2.95%
Q1 2004217.20M+5.29%
Q4 2003206.28M-3.86%
Q3 2003214.56M-0.37%
Q2 2003215.35M+5.10%
Q1 2003204.91M+2.42%
Q4 2002200.07M+0.33%
Q3 2002199.42M-0.58%
Q2 2002200.59M-

Relationship: Market Cap = Shares Outstanding × Stock Price

Key concepts:

  • Float shares: Shares available for public trading
  • Dilution: When new shares are issued, existing shareholders own less
  • Buybacks: Reduce share count, increasing EPS and ownership stake
  • Stock splits: Increase share count but don't change market cap

Shares Outstanding Formula & Definition

Shares Outstanding represents the reported weighted average share count used for per-share metrics. Changes in share count affect EPS and ownership dilution.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

Shares Outstanding FAQ

What is the shares outstanding for Quest Diagnostics Incorporated (DGX)?
The shares outstanding for DGX stock is 112.00M.
What is the TTM average shares outstanding for Quest Diagnostics Incorporated (DGX)?
The TTM average shares outstanding for DGX stock is 112.60M.
What is the 3Y average shares outstanding for Quest Diagnostics Incorporated (DGX)?
The 3Y average shares outstanding for DGX stock is 112.85M.
What is the 5Y average shares outstanding for Quest Diagnostics Incorporated (DGX)?
The 5Y average shares outstanding for DGX stock is 115.85M.
What is the 10Y average shares outstanding for Quest Diagnostics Incorporated (DGX)?
The 10Y average shares outstanding for DGX stock is 127.44M.
What is the 15Y average shares outstanding for Quest Diagnostics Incorporated (DGX)?
The 15Y average shares outstanding for DGX stock is 135.68M.
What is the 20Y average shares outstanding for Quest Diagnostics Incorporated (DGX)?
The 20Y average shares outstanding for DGX stock is 149.06M.

DGX Shares Outstanding History

DATESHARES OUTSTANDING
2026-03-31112.00M
2025-12-31112.00M
2025-09-30113.00M
2025-06-30113.00M
2025-03-31113.00M
2024-12-31113.00M
2024-09-30113.00M
2024-06-30112.00M
2024-03-31112.00M
2023-12-31113.00M
2023-09-30114.00M
2023-06-30114.00M
2023-03-31113.00M
2022-12-31115.00M
2022-09-30118.00M
2022-06-30119.00M
2022-03-31121.00M
2021-12-31125.00M
2021-09-30125.00M
2021-06-30127.00M
2021-03-31135.00M
2020-12-31137.00M
2020-09-30137.00M
2020-06-30136.00M
2020-03-31135.00M
2019-12-31136.00M
2019-09-30137.00M
2019-06-30136.00M
2019-03-31136.00M
2018-12-31137.00M
2018-09-30139.00M
2018-06-30139.00M
2018-03-31139.00M
2017-12-31139.00M
2017-09-30140.00M
2017-06-30140.00M
2017-03-31141.00M
2016-12-31141.00M
2016-09-30142.00M
2016-06-30142.00M
2016-03-31144.00M
2015-12-31144.00M
2015-09-30145.00M
2015-06-30145.00M
2015-03-31146.00M
2014-12-31146.00M
2014-09-30145.00M
2014-06-30145.00M
2014-03-31145.00M
2013-12-31146.00M
2013-09-30150.90M
2013-06-30154.10M
2013-03-31159.40M
2012-12-31160.10M
2012-09-30160.70M
2012-06-30159.80M
2012-03-31159.70M
2011-12-31158.30M
2011-09-30159.00M
2011-06-30159.40M
2011-03-31163.20M
2010-12-31161.50M
2010-09-30174.30M
2010-06-30180.80M
2010-03-31182.40M
2009-12-31180.20M
2009-09-30187.20M
2009-06-30187.00M
2009-03-31190.70M
2008-12-31189.37M
2008-09-30197.19M
2008-06-30196.12M
2008-03-31195.78M
2007-12-31194.14M
2007-09-30195.59M
2007-06-30194.48M
2007-03-31195.26M
2006-12-31193.38M
2006-09-30200.13M
2006-06-30200.59M
2006-03-31201.03M
2005-12-31198.40M
2005-09-30206.13M
2005-06-30206.55M
2005-03-31206.14M
2004-12-31201.72M
2004-09-30206.54M
2004-06-30210.79M
2004-03-31217.20M
2003-12-31206.28M
2003-09-30214.56M
2003-06-30215.35M
2003-03-31204.91M
2002-12-31200.07M
2002-09-30199.42M
2002-06-30200.59M

About Quest Diagnostics Incorporated

Quest Diagnostics Incorporated, founded in 1967 and headquartered in Secaucus, New Jersey, is a premier provider of diagnostic testing, information, and related services, serving clients both domestically and internationally. Its core business involves the development and provision of diverse diagnostic information services, such as routine, advanced clinical, and anatomic pathology testing. While primarily operating under the Quest Diagnostics brand, it also leverages specialized identities like AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum to reach a broad spectrum of clients. Its extensive client base includes patients, clinicians, hospitals, integrated delivery networks, health plans, employers, and other direct healthcare entities. Delivery of these services is facilitated through a robust network comprising laboratories, patient service centers, in-office phlebotomists, call centers, and mobile health professionals including paramedics and nurses. Additionally, the company provides risk assessment services for the life insurance industry and offers comprehensive information technology solutions to healthcare organizations and clinicians.

Secaucus, NJ
55,000 employees
Healthcare / Medical - Diagnostics & Research
Sector
Healthcare
Industry
Medical - Diagnostics & Research
CEO
James E. Davis