ADT (ADT) - Market capitalization

Market cap: NZ$10.27 Billion

As of May 2026 ADT has a market cap of NZ$10.27 Billion. This makes ADT the world's 2815th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of ADT from 2018 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	NZ$10.27 B	-10.88%
2025	NZ$11.52 B	4.67%
2024	NZ$11.01 B	10.77%
2023	NZ$9.94 B	-23.82%
2022	NZ$13.04 B	27.5%
2021	NZ$10.23 B	13.97%
2020	NZ$8.98 B	1.2%
2019	NZ$8.87 B	29.14%
2018	NZ$6.87 B

End of Day market cap according to different sources

On Apr 30th, 2026 the market cap of ADT was reported to be:

NZ$10.20 Billion

by Nasdaq

NZ$10.27 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Etsy ETSY	NZ$10.33 B	0.59%	🇺🇸 USA
Palo Alto Networks PANW	NZ$246.12 B	2,296.02%	🇺🇸 USA
Brink's BCO	NZ$7.43 B	-27.60%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of ADT (ADT)

Market cap: NZ$10.27 Billion