Institutional Ownership
Irhythm Technologies Inc
CUSIP 450056106COMIRTCQ1 2026
13D / 13G Filings
44
Schedule 13D/13G on record
Beneficial Filers
14
Distinct reporting persons
Largest Stake
12.5%
Max % of class reported
Institutional Holders
296
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
44 filings · latest Feb 13, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 13, 2026 | Sands Capital Management, LLC | 13G/A | 5.3% | 1.70M | SEC |
| 2 | Feb 3, 2026 | Artisan Partners Asset Management Inc. | 13G/A | 4.7% | 1.51M | SEC |
| 3 | Nov 13, 2025 | Sands Capital Management, LLC | 13G/A | 6.9% | 2.24M | SEC |
| 4 | Aug 13, 2025 | Capital Research Global Investors | 13G/A | 4.7% | 1.51M | SEC |
| 5 | May 13, 2025 | Capital Research Global Investors | 13G/A | 7.0% | 2.20M | SEC |
| 6 | Feb 13, 2025 | Capital Research Global Investors | 13G/A | 5.2% | 1.64M | SEC |
| 7 | Jan 8, 2025 | The Vanguard Group | 13G/A | 10.0% | 3.14M | SEC |
| 8 | Nov 12, 2024 | Capital Research Global Investors | 13G/A | 6.3% | 1.96M | SEC |
| 9 | Nov 12, 2024 | Artisan Partners Limited Partnership | 13G/A | 8.9% | 2.78M | SEC |
| 10 | Nov 7, 2024 | Sands Capital Management, LLC | 13G/A | 10.0% | 3.14M | SEC |
34 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Irhythm Technologies Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 2.74M | $323.55M |
| 2 | Rtw Investments, LP | 1.67M | $196.92M |
| 3 | Millennium Management LLC | 1.61M | $189.78M |
| 4 | Artisan Partners Limited Partnership | 1.45M | $171.24M |
| 5 | Fmr LLC | 1.36M | $160.73M |
| 6 | Holocene Advisors, LP | 1.25M | $147.37M |
| 7 | Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas LLC | 1.05M | $123.62M |
| 8 | Geode Capital Management, LLC | 817.1K | $96.45M |
| 9 | State Street Corp | 788.3K | $93.04M |
| 10 | Bnp Paribas Asset Management Holding S.A. | 762.1K | $89.94M |