iRhythm (ZIO) (IRTC) - Market capitalization

Market cap: HK$39.04 Billion

As of January 2026 iRhythm (ZIO) has a market cap of HK$39.04 Billion. This makes iRhythm (ZIO) the world's 3110th 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 iRhythm (ZIO) from 2016 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$39.04 B	-11.81%
2025	HK$44.27 B	105.18%
2024	HK$21.57 B	-15.79%
2023	HK$25.62 B	16.27%
2022	HK$22.03 B	-18.39%
2021	HK$27.00 B	-49.14%
2020	HK$53.09 B	275.21%
2019	HK$14.14 B	6.72%
2018	HK$13.25 B	31.74%
2017	HK$10.06 B	95.51%
2016	HK$5.14 B

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 iRhythm (ZIO) (IRTC)

Market cap: HK$39.04 Billion