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RTW INVESTMENTS, LP

Position in IRTC — iRhythm Holdings, Inc.

CIK 1493215 NEW YORK, NY

Position in IRTC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$259,623,957
+$62,707,587 QoQ
Shares Held
2,182,631
+30.8% QoQ
Ownership
6.62%
of shares outstanding
% of Portfolio
2.22%
of 13F equity value
Holder Rank
#2
of 304 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in IRTC Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

RTW INVESTMENTS, LP holds $565,070,839 across 5 Medical Devices names. IRTC ranks #1 (45.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 IRTC
iRhythm Holdings, Inc.
This page
2,182,631 $259,623,957

All Filings in IRTC

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4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $259,623,957 2,182,631
2026-06-30 $259,623,957 2,182,631
2026-03-31 $196,916,370 1,668,500
2025-12-31 $209,732,305 1,181,990