iRhythm Holdings, Inc. IRTC

What this company does

Each iRhythm product offering combines a wire-free, patch-based, 14-day wearable biosensor that continuously records electrocardiogram data with cloud-based data analytic software to help physicians monitor patients and diagnose arrhythmias. It manufactures its iRhythm ACM Systems, including the Zio monitor System and Zio AT System, at a leased facility in Cypress, California that is approximately 69,000 square feet, of which 34,000 square feet is used for manufacturing. As of December 31, 2025, it employed approximately 2,400 regular full-time employees. Since receiving FDA clearance, it has provided iRhythm Services via more than twelve million patient reports and has collected almost three billion hours of curated heartbeat data. In 2025, it delivered more than 70% of long-term continuous monitoring services in the United States. iRhythm Technologies was incorporated in the state of Delaware in September 2006, and its successor registrant iRhythm Holdings was incorporated in the state of Delaware in December 2025.

Written from the business description in iRhythm Holdings, Inc.'s annual report to the U.S. Securities and Exchange Commission, filed 19 February 2026. Every sentence was checked against that document before publication.