Position in IRTC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$196,916,370
-$12,815,935 QoQ
Shares Held
1,668,500
+41.2% QoQ
Ownership
5.08%
of shares outstanding
% of Portfolio
1.96%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IRTC Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026RTW INVESTMENTS, LP holds $406,195,732 across 5 Medical Devices names. IRTC ranks #1 (48.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | IRTC |
iRhythm Holdings, Inc.
This page
|
1,668,500 | $196,916,370 | |
| 2 | ESTA |
Establishment Labs Holdings Inc.
|
2,655,695 | $150,790,362 | |
| 3 | SYK |
Stryker Corp
|
100,000 | $32,859,000 | |
| 4 | BBNX |
Beta Bionics, Inc.
|
2,000,000 | $20,040,000 | |
| 5 | LMRI |
Lumexa Imaging Holdings, Inc.
|
650,000 | $5,590,000 |
All Filings in IRTC
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2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $196,916,370 | 1,668,500 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $209,732,305 | 1,181,990 | Shares | Sole | 2026-02-17 | |
| No filing history on record for this holder in this stock. | ||||||