iRhythm Technologies, Inc.

Historical 13F Holders

Symbol
IRTC
CUSIP
450056106
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 450056106 since 12/18/2024, largest first.

Filer % of Class Filed
RTW Investments, LP 13G/A
6.6% 8/14/2026
Event 6/30/2026
Vanguard Portfolio Management LLC 13G 5.6% 4/28/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 5.2% 4/27/2026
Event 3/31/2026
Millennium Management LLC 13G
5.1% 3/23/2026
Event 3/16/2026
Artisan Partners Limited Partnership 13G
5.1% 8/13/2026
Event 6/30/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (3)
Capital Research Global Investors 13G/A 4.7% 8/13/2025
Event 6/30/2025
Sands Capital Management, LLC 13G/A
0% 5/8/2026
Event 3/31/2026
Vanguard Group Inc 13G/A 0% 3/26/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 7 12.7 k $1.44 M
2026 Q2 319 40.9 M $4.29 B
2026 Q1 317 35.5 M $4.19 B
2025 Q4 348 35.8 M $6.36 B
2025 Q3 354 35.2 M $6.05 B
2025 Q2 324 35.7 M $5.49 B
2025 Q1 271 36.0 M $3.77 B
2024 Q4 249 37.1 M $3.26 B
2024 Q3 268 35.2 M $2.61 B
2024 Q2 248 36.9 M $3.97 B
2024 Q1 277 36.1 M $4.19 B
2023 Q4 245 34.8 M $3.72 B
2023 Q3 251 32.6 M $3.07 B
2023 Q2 223 33.6 M $3.50 B
2023 Q1 231 33.9 M $4.21 B
2022 Q4 226 32.0 M $3.00 B
2022 Q3 255 31.0 M $3.87 B
2022 Q2 260 30.4 M $3.29 B
2022 Q1 237 30.5 M $4.80 B
2021 Q4 231 29.2 M $3.43 B
2021 Q3 208 28.1 M $1.64 B
2021 Q2 200 29.1 M $1.93 B
2021 Q1 237 31.3 M $4.33 B
2020 Q4 264 36.5 M $8.63 B
2020 Q3 253 31.3 M $7.43 B
2020 Q2 214 30.9 M $3.58 B
2020 Q1 182 32.7 M $2.65 B
2019 Q4 182 33.2 M $2.26 B
2019 Q3 181 31.4 M $2.32 B
2019 Q2 190 30.6 M $2.41 B
2019 Q1 193 27.6 M $2.07 B
2018 Q4 171 25.9 M $1.80 B
2018 Q3 178 25.5 M $2.42 B
2018 Q2 151 24.9 M $2.02 B
2018 Q1 147 24.3 M $1.53 B
2017 Q4 124 23.1 M $1.30 B
2017 Q3 109 22.5 M $1.17 B
2017 Q2 101 21.2 M $900 M
2017 Q1 65 13.1 M $494 M
2016 Q4 67 10.6 M $318 M