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What smart money is saying about iRhythm TechnologiesUnited States flag

IRTC · Healthcare · Medical - Devices · Market cap $4.02B

1 fund in our archive has pitched iRhythm Technologies — most recently Granahan Investment Management Small Cap Select in June 2026.

Company profile

iRhythm Technologies, Inc. is a digital healthcare enterprise dedicated to offering portable electrocardiogram (ECG) monitoring solutions to individuals in the United States who face the risk of cardiac arrhythmias. Its primary offering, the Zio service, provides a comprehensive ambulatory cardiac monitoring system. This system ingeniously combines a wireless, patch-based, and wearable biosensor—specifically embodied in products like the Zio XT and AT monitors—with a sophisticated cloud-based data analysis platform. These single-use biosensors precisely record a patient's heartbeats and ECG data, thereby enabling medical professionals to effectively oversee patient heart health and accurately diagnose arrhythmias. Furthermore, iRhythm maintains a strategic development partnership with Verily Life Sciences LLC, focused on pioneering future atrial fibrillation screening, detection, and monitoring innovations. Founded in 2006, the company maintains its corporate headquarters in San Francisco, California.

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2
Reported positions
0
Bought
0
Sold
3
Letters

Position history

Between Q3 2025 and Q2 2026, 2 fund letters reported a position in iRhythm Technologies, with no move described.

Fund letters reporting a position in iRhythm Technologies, by quarter
QuarterLettersBoughtSoldTheses
Q2 20260001
Q3 20252000

Fund activity · 2 positions

Fund coverage · 1 thesis

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