IRTC · smart money activity

Who's buying iRhythm Holdings, Inc.?

Perceptive Advisors: added +113% to 223.8K sh (~$26.6M, 0.4% of book); RTW Investments: added +31% to 2.18M sh (~$259.6M, 2.2% of book).

Smart money score45#72 of 372 stocks

Latest filingAug 14, 2026

Independent buyers2

Signal sources13F

Signals against0

IRTC insider buying, 13F and 13D filings

Aug 14, 202613F add

Perceptive Advisors: Added +113% to 223.8K sh (~$26.6M, 0.4% of book)

13F for the quarter ended 2026-06-30. Filed 2026-08-14.
View the filing on SEC EDGAR ↗
Aug 14, 202613F add

RTW Investments: Added +31% to 2.18M sh (~$259.6M, 2.2% of book)

13F for the quarter ended 2026-06-30. Filed 2026-08-14.
View the filing on SEC EDGAR ↗

Signals come from SEC filings: Form 4 (insiders, filed within 2 business days), 13F (fund holdings, up to 45 days after quarter end) and Schedule 13D (5%+ activist stakes). This page reports what the filings show; it is not investment advice.