ADT (ADT) - Market capitalization

Market cap: C$7.05 Billion

As of September 2026 ADT has a market cap of C$7.05 Billion. This makes ADT the world's 3156th 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	C$7.05 B	-22.81%
2025	C$9.14 B	2.58%
2024	C$8.91 B	6.87%
2023	C$8.33 B	-25.83%
2022	C$11.24 B	26.18%
2021	C$8.90 B	7.83%
2020	C$8.26 B	5.85%
2019	C$7.80 B	24.32%
2018	C$6.27 B

End of Day market cap according to different sources

On Sep 20th, 2026 the market cap of ADT was reported to be:

C$7.05 Billion

by Nasdaq

C$7.05 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Etsy ETSY	C$9.32 B	32.19%	🇺🇸 USA
Palo Alto Networks PANW	C$416.32 B	5,799.96%	🇺🇸 USA
Brink's BCO	C$6.11 B	-13.31%	🇺🇸 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: C$7.05 Billion