ADT (ADT) - Market capitalization

Market cap: HK$43.06 Billion

As of March 2026 ADT has a market cap of HK$43.06 Billion. This makes ADT the world's 2892th 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	HK$43.06 B	-17.09%
2025	HK$51.93 B	7.73%
2024	HK$48.21 B	-1.8%
2023	HK$49.10 B	-24.15%
2022	HK$64.73 B	18.75%
2021	HK$54.51 B	8.52%
2020	HK$50.23 B	7.93%
2019	HK$46.54 B	28.96%
2018	HK$36.09 B

End of Day market cap according to different sources

On Mar 16th, 2026 the market cap of ADT was reported to be:

HK$42.06 Billion

by Nasdaq

HK$42.09 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Etsy ETSY	HK$42.58 B	-1.11%	🇺🇸 USA
Palo Alto Networks PANW	HK$1.084 T	2,419.59%	🇺🇸 USA
Brink's BCO	HK$34.53 B	-19.79%	🇺🇸 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: HK$43.06 Billion