Companies: 10,795·Total market cap: $144.5T
Quest Diagnostics Incorporated

Quest Diagnostics Incorporated

DGXNYSEHealthcare● Active
$197.17
$-3.12(-1.56%)
Market Cap$21.8B
P/E Ratio—
52W High$213.5
52W Low$164.65
EmployeesOwnershipInsider Trades

Quest Diagnostics Incorporated (DGX) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · DGX · as of Feb 26, 2026

Latest filing snapshot

57,000
+1,000+1.79%vs prior year

Quest Diagnostics Incorporated (DGX) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-31·Full-time · Global
Total Employees
57,000
Change (1Y)
+1,000
Growth % (1Y)
+1.79%
Revenue / Employee
$193.6K
Net Income / Employee
$17.4K
Market Cap
$21.8B

DGX Employee Count

1996 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2026-02-2657,000+1,000+1.79%
2025-02-2056,000+8,000+16.67%
2024-02-2248,000-1,000-2.04%
2023-02-2149,000+0+0.00%
2022-02-2849,000+0+0.00%
2021-02-2249,000+2,000+4.26%
2020-02-2047,000+1,000+2.17%
2019-02-2146,000+1,000+2.22%
2018-02-2345,000+2,000+4.65%
2017-02-2243,000-1,000-2.27%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Medical - Diagnostics & Research
#SymbolCompanyEmployees
#1
Tenet Healthcare Corporation
THC
Tenet Healthcare Corporation
98,000#2
Labcorp Holdings Inc.
LH
Labcorp Holdings Inc.
60,900#3
Quest Diagnostics Incorporated
DGX
Quest Diagnostics IncorporatedYOU
57,000#4
ICON Public Limited Company
ICLR
ICON Public Limited Company
41,250#5
Illumina, Inc.
ILMN
Illumina, Inc.
8,970#6
Medpace Holdings, Inc.
MEDP
Medpace Holdings, Inc.
5,900#7
Incyte Corporation
INCY
Incyte Corporation
2,617
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · DGX peer comparison

About DGX employees

DGX Employees · Headcount

Quest Diagnostics Incorporated (DGX) employee data is sourced from the annual SEC 10-K filing. As of 2025, Quest Diagnostics Incorporated had 57,000 full-time employees globally. Full-time employees only. Global consolidated headcount.

Quest Diagnostics Incorporated employs 57,000 full-time employees as of the latest filing within the Medical - Diagnostics & Research industry. Revenue per employee stands at $193,596, reflecting the company's operational efficiency.

Quest Diagnostics Incorporated's workforce increased by 1,000 (1.79%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Quest Diagnostics Incorporated's revenue per employee of $193,596 positions it among the notable performers in the Medical - Diagnostics & Research sector for operational efficiency.

RevenueFinancial statementsNet incomeSEC filingsPrice historyForecast & ratingsOwnershipEarnings

Frequently Asked Questions

DGX Employees · 5 questions

As of the latest SEC 10-K filing (2025), Quest Diagnostics Incorporated had 57,000 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Quest Diagnostics Incorporated employee counthow many employees does Quest Diagnostics Incorporated haveDGX total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-26