Institutional shares held 33.3 Million
226K calls
143K puts
Total value of holdings $2.96B
$20.1M calls
$12.7M puts
Market Cap $2.67B
30,026,600 Shares Out.
Institutional ownership 110.95%
# of Institutions 279


Latest Institutional Activity in IRTC

Top Purchases

Q1 2024
Westfield Capital Management CO LP Shares Held: 503K ($44.7M)
Q1 2024
Loomis Sayles & CO L P Shares Held: 306K ($27.2M)
Q1 2024
Citadel Advisors LLC Shares Held: 318K ($28.3M)
Q1 2024
Champlain Investment Partners, LLC Shares Held: 576K ($51.2M)
Q1 2024
Schroder Investment Management Group Shares Held: 289K ($25.7M)

Top Sells

Q1 2024
Slate Path Capital LP Shares Held: 511K ($45.4M)
Q1 2024
Jpmorgan Chase & CO Shares Held: 963K ($85.7M)
Q1 2024
Price T Rowe Associates Inc Shares Held: 221K ($19.6M)
Q1 2024
Legal & General Group PLC Shares Held: 34.7K ($3.09M)
Q1 2024
Balyasny Asset Management LLC Shares Held: 142K ($12.6M)

About IRTC

iRhythm Technologies, Inc., a digital healthcare company, provides ambulatory electrocardiogram (ECG) monitoring products for patients at risk for arrhythmias in the United States. It offers Zio service, an ambulatory cardiac monitoring solution that combines a wire-free, patch-based, and wearable biosensor with a cloud-based data analytic platform to help physicians to monitor patients and diagnose arrhythmias. The company's Zio XT and AT monitors, a single-use, wire-free, and wearable patch-based biosensors, records patient's heartbeats and ECG data. It has a development collaboration agreement with Verily Life Sciences LLC to develop various next-generation atrial fibrillation screening, detection, or monitoring products. The company was incorporated in 2006 and is headquartered in San Francisco, California.


Insider Transactions at IRTC

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
179K Shares
From 13 Insiders
Grant, award, or other acquisition 179K shares
Exercise of conversion of derivative security 486 shares
Sell / Disposition
66.9K Shares
From 9 Insiders
Open market or private sale 66.4K shares
Sale (or disposition) back to the issuer 509 shares

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