Quest Diagnostics Incorporated DGX

236.32 (0.27) (0.11%) as of 25 Sep
Market cap
$26.2B
P/E
24.8×
Indexes indicate stock being part of an index,
Growth Flags show if company had growth for consecutive years

Quest Diagnostics Incorporated (DGX) P/B ratio

As of 25 September 2026, Quest Diagnostics Incorporated (DGX) trades at a P/B ratio of 3.4×. Over the past ten years it has ranged from 1.7× (April 2020) to 3.5× (September 2026); the current reading is higher than 99% of that period. That is above the Diagnostics & Research industry median of 3.1× and above the Healthcare sector median of 2.5×.

P/B ratio, daily

Annual

Period P/B ratio Change
FY2025 2.7× 8.75%
FY2024 2.5× (1.17%)
FY2023 2.5× (18.38%)
FY2022 3.0× (8.65%)
FY2021 3.3× 42.24%
FY2020 2.3× (6.80%)
FY2019 2.5× 17.03%
FY2018 2.2× (21.37%)
FY2017 2.7× (1.55%)
FY2016 2.8× 27.78%

Quarterly

Period P/B ratio Change
Jun 2026 3.0× 7.00%
Mar 2026 2.8× 5.20%
Dec 2025 2.7× (8.65%)
Sep 2025 2.9× 5.66%
42 more quarters

Against its own ten years

Low 1.7× High 3.5×
Ten-year median 2.6×
Current reading's percentile 99

P/B ratio against peers

Company P/B ratio
GH Guardant Health, Inc. compare n/m
RVTY Revvity Inc. compare 2.3×
WAT Waters Corporation compare 2.8×
LH Labcorp Holdings Inc. compare 2.9×
DGX Quest Diagnostics Incorporated 3.4×
ILMN Illumina, Inc. compare 14.5×
IDXX IDEXX Laboratories, Inc. compare 25.4×
MEDP Medpace Holdings, Inc. compare 40.2×
MTD Mettler-Toledo International, Inc. compare 2,372×
Diagnostics & Research industry median 3.1×
Healthcare sector median 2.5×
Market median 1.8×

What P/B ratio is

Price to Book Value tells an investor how much the market pays for a company’s shares relative to the accounting net worth that belongs to common shareholders.

Stock Price ÷ (Common Equity (Total) (latest quarter) ÷ Shares (Basic, Weighted) (latest quarter))

The full definition of P/B ratio →

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