Market Cap

Diploma plc Market Capitalization:

£7.08 Billion

GBP as of Jan. 1, 2026

US$9.53 Billion

business Diploma plc Company Profile

Diploma plc Main Stock Listing

LSE: DPLM

Market Capitalization History of Diploma plc

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Top Competitors by Market Capitalization

Industry: Industrial Distribution
Company Market Cap (USD)
Rheinmetall AG $83.95 B
W.W. Grainger, Inc. $47.98 B
Fastenal Company $46.44 B
Ferguson plc $44.78 B
Watsco, Inc. $13.74 B
Sector: Industrials
Company Market Cap (USD)
General Electric $340.14 B
Caterpillar $280.34 B
RTX Corporation $251.06 B
CATL $247.27 B
Siemens $221.77 B

Yearly evolution of Diploma plc market cap

Date Market Cap YoY Change
Jan. 1, 2026 £7.08 B 19.57%
Jan. 1, 2025 £5.92 B 23.28%
Jan. 1, 2024 £4.80 B 35.94%
Jan. 1, 2023 £3.53 B 4.51%
Jan. 1, 2022 £3.38 B 18.72%
Jan. 1, 2021 £2.85 B

Market capitalization is calculated from the opening stock price at the beginning of each year.

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Diploma plc Categories

United Kingdom languages Industrials languages Industrial Distribution
United Kingdom Industrials United Kingdom Industrial Distribution

Stocks & Indices

Diploma plc has the following listings and related stock indices.


Stock: LSE: DPLM

Stock: FSX: DP9

What is a company's market capitalization?

The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.