iRhythm Holdings, Inc. - IRTC
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Mar 26, 2026 | SCHEDULE 13G/A | The Vanguard Group | 0.0% | 0 | View |
| Mar 23, 2026 | SCHEDULE 13G | Millennium Management LLC | 5.1% | 1,664,203 | View |
| Mar 23, 2026 | SCHEDULE 13G | Millennium Group Management LLC | 5.1% | 1,664,203 | View |
| Mar 23, 2026 | SCHEDULE 13G | Israel A. Englander | 5.1% | 1,664,203 | View |
| Feb 13, 2026 | SCHEDULE 13G/A | SANDS CAPITAL MANAGEMENT, LLC | 5.3% | 1,699,645 | View |
| Feb 13, 2026 | SCHEDULE 13G/A | SANDS FRANK M. | 5.3% | 1,699,645 | View |
| Feb 03, 2026 | SCHEDULE 13G/A | Artisan Partners Asset Management Inc. | 4.7% | 1,511,992 | View |
| Feb 03, 2026 | SCHEDULE 13G/A | Artisan Partners Holdings LP | 4.7% | 1,511,992 | View |
| Feb 03, 2026 | SCHEDULE 13G/A | Artisan Investments GP LLC | 4.7% | 1,511,992 | View |
| Feb 03, 2026 | SCHEDULE 13G/A | Artisan Partners Limited Partnership | 4.7% | 1,511,992 | View |
| Nov 13, 2025 | SCHEDULE 13G/A | SANDS CAPITAL MANAGEMENT, LLC | 6.9% | 2,236,110 | View |
| Nov 13, 2025 | SCHEDULE 13G/A | SANDS FRANK M. | 6.9% | 2,236,110 | View |
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G.
Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F).
Amendments (/A) can repeat the same holder over time, so rows should not be summed.
Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.