Irhythm Technologies, INC Schedule 13G passive stakes

RTW Investments, LP and Roderick Wong have disclosed beneficial ownership of 2,182,631 shares, representing 6.6% of iRhythm Holdings, Inc. common stock.

Artisan Partners Asset Management Inc. and its affiliates have reported a beneficial ownership stake of 5.1% in iRhythm Holdings, Inc.

RTW Investments, LP and Roderick Wong, M.D. have jointly filed a Schedule 13G, reporting beneficial ownership of 5.2% of iRhythm Holdings, Inc. common stock as of March 31, 2026.

Sands Capital Management and Frank M. Sands have filed an amendment indicating they no longer beneficially own any shares of iRhythm Holdings, Inc.

Vanguard Portfolio Management has reported beneficial ownership of 5.64% of iRhythm Holdings Inc.'s common stock as of March 31, 2026.

Vanguard Capital Management has filed a Schedule 13G reporting a 5.23% beneficial ownership stake in iRhythm Technologies, Inc.

The Vanguard Group filed an amendment to its Schedule 13G for IRhythm Holdings Inc., reflecting a change in its beneficial ownership reporting due to an internal realignment.

Millennium Management LLC, along with Millennium Group Management LLC and Israel A. Englander, has reported a 5.1% beneficial ownership stake in iRhythm Holdings, Inc.

Sands Capital Management and Frank M. Sands report a continued 5.3% beneficial ownership in iRhythm Holdings, Inc. as of December 31, 2025.

Artisan Partners Asset Management Inc. and its affiliates have updated their beneficial ownership in iRhythm Holdings, Inc. to 4.7% of common stock.

Sands Capital Management and Frank M. Sands have reported a 6.9% beneficial ownership stake in iRhythm Technologies, Inc., holding 2,236,110 shares.

Capital Research Global Investors has updated its beneficial ownership in iRhythm Technologies, Inc., reporting a 4.7% stake.

Capital Research Global Investors has filed an amended Schedule 13G, reporting a beneficial ownership of 7.0% in iRhythm Technologies, Inc.'s common stock as of March 31, 2025.

Capital Research Global Investors has filed an amended Schedule 13G, confirming its beneficial ownership of 5.2% of iRhythm Technologies, Inc.'s common stock as of December 31, 2024.

The Vanguard Group has filed an updated Schedule 13G, revealing a 10.02% beneficial ownership stake in iRhythm Technologies Inc. as of December 31, 2024.