Stock Fundamentals

Company Information

Company Name
Quest Diagnostics Incorporated
Sector
Healthcare
Industry
Diagnostics & Research
Exchange
NYSE
ISIN: US74834L1008
CIK: 0001022079
CUSIP: 74834L100
Currency: USD
Full Time Employees: 57,000
Phone: 973 520 2700
Fiscal Year End: December
IPO Date: Dec 17, 1996
Description:

Quest Diagnostics Incorporated provides diagnostic testing and services in the United States. The company develops and delivers diagnostic information services, such as routine, non-routine and advanced clinical testing, anatomic pathology testing, and other diagnostic information services. It also provides services under the Quest Diagnostics brand, as well as under the AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum brands to physicians, hospitals, patients and consumers, health plans, government agencies, employers, retailers, pharmaceutical companies and insurers commercial clinical laboratories, and accountable care organizations through a network of laboratories, patient service centers, phlebotomists in physician offices, call centers and mobile phlebotomists, nurses, and other health and wellness professionals. In addition, the company offers risk assessment services for the life insurance industry; healthcare IT healthcare providers and payers; testing and medical director services at hospital laboratories; test offerings in cardiometabolic and endocrine; cancer; clinical drug monitoring and toxicology; infectious disease, including autoimmune; neurology diagnostics, including Alzheimer's disease; and women's health, such as prenatal genetic; workplace drug testing, testing urine, hair, and oral fluid specimens services; and employer population health services, including biometric screenings, flu shots, and related preventative services. Further, it provides population health solutions; extended care services; develops in vitro diagnostic tests; laboratory diagnostic information and digital health connectivity systems; underwriting support services, including data gathering, paramedical examinations, and clinical laboratory testing and analytics; and national specimen collection and health data solutions. Quest Diagnostics Incorporated was founded in 1967 and is headquartered in Secaucus, New Jersey.

Address:

500 Plaza Drive, Secaucus, NJ, United States, 07094

Directors & Officers

Name Title Year Born
Mr. James E. Davis Chairman, CEO & President 1963
Mr. Sam A. Samad Executive VP & CFO 1970
Mr. Michael E. Prevoznik J.D. Senior VP & General Counsel 1962
Ms. Catherine T. Doherty Executive Vice President of Regional Businesses 1963
Mr. Karthik Kuppusamy Ph.D. Senior Vice President of Clinical Solutions 1970
Mr. Michael J. Deppe Senior VP, Corporate Controller & Chief Accounting Officer 1967
Mr. Murali Balakumar Senior VP and Chief Information & Digital Officer NA
Dan Haemmerle Interim VP of Investor Relations & VP Finance NA
Ms. Kristin Lee Wallace Esq. Senior VP & Chief Compliance Officer NA
Mr. Garry Clark Senior VP and Chief Marketing & Communications Officer NA

Insider Trading

Date Insider Name Title Transaction Type Shares Price Value
Mar 05, 2026 Michael E Prevoznik N/A Sale 3.88K $206.21 $799.68K
Mar 05, 2026 Patrick Plewman N/A Sale 2.86K $206.21 $588.73K
Mar 05, 2026 Catherine T Doherty N/A Sale 5.56K $206.21 $1.15M
Mar 04, 2026 Karthik Kuppusamy N/A Sale 2.63K $204.86 $538.37K
Feb 19, 2026 Catherine T Doherty N/A Sale 1.43K $204.83 $293.52K
Feb 19, 2026 Michael E Prevoznik N/A Sale 1.11K $204.83 $227.57K
Feb 19, 2026 Patrick Plewman N/A Sale 958.00 $204.83 $196.23K
Feb 17, 2026 Ro Khanna N/A Sale N/A $205.46 N/A
Feb 10, 2026 Patrick Plewman N/A Sale 5.66K $204.00 $1.16M
Jan 29, 2026 Ro Khanna N/A Purchase N/A $182.31 N/A
Nov 25, 2025 J. E Davis N/A Sale 55.09K $192.22 $10.59M
Nov 25, 2025 Vicky B Gregg N/A Sale 1.25K $191.76 $239.70K
Nov 18, 2025 Mark E Delaney N/A Sale 7.95K $187.35 $1.49M
Nov 03, 2025 Julie Johnson N/A Sale N/A $179.04 N/A
Oct 22, 2025 Gary M Pfeiffer N/A Sale 1.48K $182.40 $270.32K
Sep 26, 2025 Michael E Prevoznik N/A Sale 227.00 $188.13 $42.71K
Sep 24, 2025 Michael E Prevoznik N/A Sale 175.00 $187.02 $32.73K
Sep 23, 2025 Michael E Prevoznik N/A Sale 28.29K $187.12 $5.29M
Aug 21, 2025 Patrick Plewman N/A Sale 1.98K $185.00 $365.38K
Aug 19, 2025 Patrick Plewman N/A Sale 4.53K $183.00 $829.36K

Institutional Holders

Holder Name Shares Date Reported % Out Value % Change
Vanguard Group Inc 14.39M Dec 31, 2025 13.00% $0.04 0.99%
BlackRock Inc 9.17M Mar 31, 2026 8.29% $0.03 -3.03%
Vanguard Capital Management, LLC 7.15M Mar 31, 2026 6.46% $0.03 0.00%
T. Rowe Price Associates, Inc. 6.30M Mar 31, 2026 5.69% $0.14 0.01%
Vanguard Portfolio Management, LLC 6.08M Mar 31, 2026 5.49% $0.06 0.00%
State Street Corp 5.38M Mar 31, 2026 4.86% $0.04 -0.03%
Boston Partners Global Investors, Inc 4.01M Mar 31, 2026 3.62% $0.82 2.53%
JPMorgan Chase & Co 3.85M Mar 31, 2026 3.47% $0.05 -7.22%
Geode Capital Management, LLC 3.09M Mar 31, 2026 2.79% $0.04 1.92%
Morgan Stanley - Brokerage Accounts 2.48M Mar 31, 2026 2.24% $0.03 -7.94%
EdgePoint Investment 2.24M Mar 31, 2026 2.03% $3.53 35.09%
Dimensional Fund Advisors, Inc. 1.95M Mar 31, 2026 1.76% $0.08 0.93%
Grantham, Mayo, Van Otterloo & Co., LLC 1.88M Mar 31, 2026 1.70% $0.94 3.69%
Victory Capital Management Inc. 1.85M Mar 31, 2026 1.67% $0.23 -13.17%
Wells Fargo & Co 1.76M Mar 31, 2026 1.59% $0.07 -0.36%
Bank of America Corp 1.75M Mar 31, 2026 1.58% $0.03 8.01%
Amvescap Plc. 1.64M Mar 31, 2026 1.48% $0.05 -1.71%
Davis Selected Advisers 1.62M Mar 31, 2026 1.46% $1.46 1.76%
The Goldman Sachs Group Inc 1.35M Mar 31, 2026 1.22% $0.03 -21.08%
NORGES BANK 1.32M Dec 31, 2025 1.19% $0.02 -0.22%

Shares Statistics

Shares Outstanding: 110.70M
Shares Float: 110.09M
% Insiders: 42.60%
% Institutions: 9,795.90%
Short % Float: 3.11%

Fund Holdings

Rank Holder Name Shares Held % of Shares Change Date Reported
1 Vanguard Total Stock Mkt Idx Inv 3.50M 3.16% ▲ 0.24% Apr 30, 2026
2 Vanguard 500 Index Investor 2.85M 2.57% ▲ 1.81% Apr 30, 2026
3 Vanguard Mid Cap Index Institutional 2.38M 2.15% ▲ 0.22% Apr 30, 2026
4 iShares Core S&P 500 ETF 1.45M 1.31% ▲ 0.31% May 29, 2026
5 Fidelity 500 Index 1.41M 1.27% ▲ 0.35% Apr 30, 2026
6 State Street® SPDR® S&P 500® ETF 1.32M 1.19% ▲ 0.11% May 31, 2026
7 Victory Sycamore Established Value R 1.29M 1.16% ▼ 11.85% Mar 31, 2026
8 T. Rowe Price U.S. Value Equity Tr-D 1.24M 1.12% ▲ 1.90% Mar 31, 2026
9 JPM US Equity Income-Composite 1.19M 1.08% ▼ 4.14% Mar 31, 2026
10 EdgePoint Global Portfolio Series F 1.18M 1.06% ▲ 36.74% Mar 31, 2026

Valuation Metrics

Enterprise Value: $28.49B
Trailing P/E: 22.41
Forward P/E: 18.90

Financial Highlights

Market Cap: $22.48B
EBITDA: $2.23B
P/E Ratio: $22.41
PEG Ratio: $1.56
Book Value: $66.36
Dividend/Share: $3.26
Dividend Yield: 1.60%
Earnings/Share: $9.06
Profit Margin: 9.08%
Operating Margin: 14.20%
ROA (TTM): 6.35%
ROE (TTM): 14.54%
Revenue (TTM): $11.28B
Revenue/Share (TTM): $101.83
Earnings Growth (YOY): 15.50%
Revenue Growth (YOY): 9.20%

Stock Price History

1 Year Price History

2 Years Price History

5 Years Price History

10 Years Price History

Financial Charts

Revenue & Net Income (Yearly)

Revenue & Net Income (Quarterly)

Operating Expenses (Yearly)

Operating Expenses (Quarterly)

Balance Sheet (Yearly)

Balance Sheet (Quarterly)

Assets Breakdown (Yearly)

Assets Breakdown (Quarterly)

Liabilities Breakdown (Yearly)

Liabilities Breakdown (Quarterly)

Earnings Per Share (EPS) History

Financial Ratios

Balance Sheet (Yearly)

Financial Ratios

Date Current Ratio Debt/Equity Debt/Assets Interest Coverage Debt/EBITDA
2025-12-31 1.04x 0.82x 0.55x 5.79x 2.66x
2024-12-31 1.10x 0.97x 0.57x 5.96x 3.46x
2023-12-31 1.31x 0.79x 0.54x 8.30x 3.96x
2022-12-31 1.22x 0.72x 0.53x 9.65x 2.32x
2021-12-31 1.56x 0.66x 0.52x 15.66x 1.35x
2020-12-31 1.72x 0.64x 0.51x 11.87x 1.79x
2019-12-31 1.25x 0.89x 0.55x 6.84x 3.16x
2018-12-31 0.94x 0.77x 0.51x 6.51x 2.84x
2017-12-31 1.24x 0.78x 0.52x 7.61x 2.65x
2016-12-31 1.56x 0.81x 0.53x 8.93x 2.52x
2015-12-31 1.28x 0.78x 0.52x 9.14x 2.35x
2014-12-31 0.94x 0.87x 0.56x 5.89x 2.88x
2013-12-31 1.22x 0.84x 0.56x 9.10x 1.86x
2012-12-31 1.49x 0.81x 0.55x 7.15x 2.21x
2011-12-31 0.90x 1.08x 0.60x 5.83x 3.09x
2010-12-31 1.32x 0.74x 0.52x 8.87x 1.89x
2009-12-31 1.59x 0.78x 0.53x 9.43x 1.90x
2008-12-31 1.22x 0.86x 0.57x 6.59x 2.05x
2007-12-31 1.07x 1.07x 0.61x N/A 2.66x
2006-12-31 1.03x 0.52x 0.47x N/A 1.17x
2005-12-31 0.97x 0.58x 0.48x N/A 1.35x
2004-12-31 0.89x 0.48x 0.46x N/A 1.05x
2003-12-31 1.38x 0.46x 0.44x N/A 1.16x
2002-12-31 1.30x 0.47x 0.47x N/A 1.14x
2001-12-31 1.33x 0.62x 0.54x N/A 1.47x
2000-12-31 1.03x 0.99x 0.64x N/A 2.27x
1999-12-31 1.24x 0.05x 0.70x N/A 0.19x
1998-12-31 1.87x 0.09x 0.58x N/A 0.32x
1997-12-31 1.94x 0.06x 0.61x N/A 0.22x
1996-12-31 2.05x 0.04x 0.61x N/A -0.04x

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