iRhythm (ZIO) (IRTC) - Market capitalization

Market cap: A$5.01 Billion

As of April 2025 iRhythm (ZIO) has a market cap of A$5.01 Billion. This makes iRhythm (ZIO) the world's 3341th 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 2025

End of year Market Cap

Year	Marketcap	Change
2025	A$5.01 B	12.16%
2024	A$4.46 B	-7.21%
2023	A$4.81 B	16.19%
2022	A$4.14 B	-13.23%
2021	A$4.77 B	-46.37%
2020	A$8.90 B	243.23%
2019	A$2.59 B	7.97%
2018	A$2.40 B	45.66%
2017	A$1.64 B	79.17%
2016	A$0.92 B

End of Day market cap according to different sources

On Apr 20th, 2025 the market cap of iRhythm (ZIO) was reported to be:

A$4.93 Billion

by Nasdaq

A$5.01 Billion

by CompaniesMarketCap

A$5.01 Billion

by Yahoo Finance

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: A$5.01 Billion