When was iRhythm Tech founded?

iRhythm Tech was founded in 2006 and raised its 1st funding round within a year of its incorporation.

Where is iRhythm Tech located?

iRhythm Tech is headquartered in San Francisco, United States. It is registered at San Francisco, California.

How many employees does iRhythm Tech have?

As of Sep 30, 2026, the latest employee count at iRhythm Tech is 1909.

Is iRhythm Tech a funded company?

iRhythm Tech is a funded company, having raised a total of $98.9M across 10 funding rounds to date. The company's 1st funding round was a $***** Grant (prize money) round, raised on 2006.

When was the latest funding round of iRhythm Tech?

iRhythm Tech's latest funding was a $***** Series E round on May 22, 2014, with participation from 2 investors.

What is the annual revenue of iRhythm Tech?

Annual revenue of iRhythm Tech is between $500M and $1B as on Dec 31, 2024

Where does iRhythm Tech rank among its competitors?

iRhythm Tech ranks 2nd amongst 600 active competitors, of which 130 are funded. It stands 4th in terms of total funding among its competitors. The most recent competitor to raise funding was Respiree, which secured an undisclosed amount in Feb, 2026.

Who are the top competitors of iRhythm Tech?

iRhythm Tech's top competitors include AliveCor, Vital Connect and ZOLL AEDs. Among them, Respiree secured the most recent funding round in February, 2026.

iRhythm Tech - 2026 Company Profile, Funding, Competitors & Financials

iRhythm Tech is a public company based in San Francisco (United States), founded in 2006. It operates as a Provider of cloud-based cardiac rhythm monitoring devices. iRhythm Tech has raised $98.9M in funding from investors like Stanford University, Mohr Davidow Ventures and New Leaf Venture Partners. The company has 600 active competitors, including 130 funded and 41 that have exited. Its top competitors include companies like AliveCor, Vital Connect and ZOLL AEDs.

Company Details

Provider of cloud-based cardiac rhythm monitoring devices. It provides Zio ambulatory ECG monitor a wearable patch designed to gather beat-to-beat heart data for the diagnosis of cardiac arrhythmias. The device stores data in the patch and is emailed to the iRhythm cloud at the end of the monitoring period. myZio iPhone app is an add-on for the Zio Patch for physicians to make a diagnosis.

Website: www.irhythmtech.com/us/en
Social
Registered Address: San Francisco, California

Key Metrics

Founded Year

2006

Location

San Francisco, United States

Stage

Public

Total Funding

$98.9M in 10 rounds

Latest Funding Round

Series E, May 22, 2014, $*****

Investors

Stanford University & 13 more

Ranked

2^nd among 600 active competitors

Annual Revenue

$500M - $1B as on Dec 31, 2024

Employee Count

1,909 as on Sep 30, 2026

Investment & Acquisitions

Vital Connect

Similar Companies

AliveCor & 779 more

Exit Details

Public

View iRhythm Tech's full profile

iRhythm Tech is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Reports
Irhythm Technologies, Inc. CIN: 1388658 , United States, Active	Jan 25, 2007	$500M - $1B (As on Dec 31, 2024)	-	-
IRHYTHM TECHNOLOGIES CIN: 208149544 , United States, Active	Dec 31, 1999	-	1762 (As on Dec 31, 2024)	-

iRhythm Tech got listed on Oct 20, 2016.

Click here to take a look at iRhythm Tech's IPO in detail

iRhythm Tech has raised a total funding of $98.9M over 10 rounds. Its first funding round was on 2006. Its latest funding round was a Series E round on May 22, 2014 for $*****. 2 investors participated in its latest round. iRhythm Tech has 14 institutional investors.

Here is the list of recent funding rounds of iRhythm Tech:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
May 22, 2014	3945818	Series E	1523570	5545957	1304393	2430457
Apr 01, 2013	3017986	Series D	3660755	6989223	4255865	New Leaf Venture Partners & 2 more
Nov 26, 2012	1581885	Series C	7479299	4886423	7793078	California Health Care Foundation

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View details of iRhythm Tech's funding rounds and investors

iRhythm Tech's employee count trend

iRhythm Tech has 1,909 employees as of Sep 26. Here is iRhythm Tech's employee count trend over the years:

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Top competitors of iRhythm Tech include AliveCor, Vital Connect and ZOLL AEDs. Here is the list of Top 10 competitors of iRhythm Tech, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	AliveCor 2010, Mountain View (United States), Series F	Developer of remote cardiac monitoring solutions and related analysis software	$114M	Mayo Clinic Business Accelerator, Khosla Ventures ... & 17 others	74/100
2nd	iRhythm Tech 2006, San Francisco (United States), Public	Provider of cloud-based cardiac rhythm monitoring devices	$98.9M	Foresite Capital, UNC Kenan-Flagler Private Equity ... & 12 others	74/100
3rd	Vital Connect 2011, Campbell (United States), Acquired	Developer of biosensor patch for body vitals monitoring	$240M	MVM, Ally Bridge Group & 9 others	66/100
4th	ZOLL AEDs 1983, Chelmsford (United States), Acquired	Developer of medical devices and software solutions for emergency care	-	Nobel Investments, Military Health & 2 others	64/100
5th	Welltory 2016, Redwood City (United States), Seed	Online health and wellness tracking and training platform	$1M	Braavo, Altair Capital & 6 others	63/100
6th	Biotricity 2014, San Francisco (United States), Public	Developer of medical remote monitoring solutions that help prevent and manage chronic diseases	-	SWK Holdings, National Research Council Canada ... & 2 others	62/100
7th	Element Science 2013, San Francisco (United States), Series C	Wearable therapeutic device for treating sudden cardiac arrest	$193M	Deerfield, Qiming & 4 others	61/100
8th	Lifesignals 2008, Milpitas (United States), Series C	Provider of AI‑driven wireless wearable biosensors for remote monitoring of patients	$15.7M	Lateral Capital, Seraph Group & 2 others	60/100
9th	Huinno 2015, New York City (United States), Series C	Developer of AI and cloud-based device for cardiac health monitoring and activity tracking	$47.6M	KTB Network, Yuhan Corporation & 15 others	60/100
10th	Respiree 2018, Singapore (Singapore), Series A	Provider of AI and sensors-based post care solutions	$15M	She1K, SEEDS & 20 others	59/100