Irhythm Holdings (IRTC)Holocene Advisors, LP reduced its stake -465K shares

784K

Shares reported · -465K vs prior quarter

0.21%

Disclosed portfolio weight

$93.2M

Reported value

Holdings as of

Jun 30, 2026

Filed

Aug 14, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jun 10, 2026Company filing · Form 8-K · Cyber incidentReported a cybersecurity incident“On June 8, 2026, iRhythm Holdings, Inc. (the “Company”) identified unauthorized activity involving data maintained on certain third-party-hosted business applications.”
2. Jul 31, 2026Company filing · Form 8-K · Material agreement, ResultsSigned an important agreement, and reported its results (and 1 more item)
3. Aug 5, 2026Company filing · Form 8-K · Material agreement, Unregistered sharesSigned an important agreement, and sold new shares without registering them
4. Aug 11, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On August 11, 2026, Brian Yoor notified iRhythm Holdings, Inc. (the “Company”) of his decision to resign from his position as a member of the Board of Directors of the Company (the “Board”) and as a member and chair of the Audit Committee of the Board (the “Audit Committee”), effective August 12, 2026.”

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Irhythm Holdings

For Irhythm Holdings, OQRO holds 8 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its IRTC page.

How this filing works

• SEC Form 13F

Other disclosures at Irhythm Holdings

• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 13, 2026
• SEC Form 13F-HRAug 12, 2026

Everything OQRO holds on this company is on its IRTC page.