iRhythm Holdings, Inc.
IRTC- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001388658
In the last 90 days, iRhythm Holdings, Inc. insiders filed 0 open-market purchases and 11 sales; 303 institutions reported holding it in 13F filings for Q2 2026, worth $4.24B in total; no superinvestor holds it.
13F holders, Q4 2022
Institutional positions in iRhythm Holdings, Inc. as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 208
- −20 vs. Q3 2022
- Shares held
- 31.1M
- +751.6K (+2.5%) vs. Q3 2022
- Total value
- $2.92B
- −$884.8M (−23.3%) vs. Q3 2022
- New holders
- 31
- 71 more added
- Sold out
- 51
- 75 more reduced
5 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRTC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 303 | $4.24B |
| Q1 2026 | 305 | $4.19B |
| Q4 2025 | 335 | $6.24B |
| Q3 2025 | 338 | $5.97B |
| Q2 2025 | 304 | $5.44B |
| Q1 2025 | 256 | $3.77B |
| Q4 2024 | 227 | $3.09B |
| Q3 2024 | 242 | $2.55B |
| Q2 2024 | 228 | $3.82B |
| Q1 2024 | 253 | $4.00B |
| Q4 2023 | 222 | $3.53B |
| Q3 2023 | 224 | $3.12B |
| Q2 2023 | 203 | $3.47B |
| Q1 2023 | 209 | $4.18B |
| Q4 2022 | 208 | $2.92B |
| Q3 2022 | 233 | $3.81B |
| Q2 2022 | 242 | $3.28B |
| Q1 2022 | 222 | $4.78B |
| Q4 2021 | 213 | $3.43B |
| Q3 2021 | 186 | $1.64B |
| Q2 2021 | 183 | $1.93B |
| Q1 2021 | 217 | $4.33B |
Institutions, Q4 2022
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alliancebernstein L.P. | 1,224,229 | $114.7M | 0.05% | −81,780−6.3% | Reduced |
| Mackenzie Financial Corp | 1,246,524 | $116.8M | 0.20% | +36,189+3.0% | Added |
| LTS One Management LP | 1,280,000 | $119.9M | 15.85% | −46,050−3.5% | Reduced |
| Capital Research Global Investors | 1,352,326 | $126.7M | 0.04% | +150,000+12.5% | Added |
| Artisan Partners Limited Partnership | 1,395,746 | $130.7M | 0.23% | +973,450+230.5% | Added |
| BlackRock Inc. | 2,288,570 | $214.4M | 0.01% | +33,779+1.5% | Added |
| Sands Capital Management, LLC | 2,667,428 | $249.9M | 0.94% | −90,998−3.3% | Reduced |
| Vanguard Group Inc | 2,876,849 | $269.5M | 0.01% | +97,424+3.5% | Added |
| Sofinnova Investments, Inc. | 0 | $0 | 0.00% | −140,095−100.0% | Sold out |
| Bridger Management, LLC | 0 | $0 | 0.00% | −120,879−100.0% | Sold out |
| Vident Investment Advisory, LLC | 0 | $0 | 0.00% | −116,919−100.0% | Sold out |
| Atika Capital Management LLC | 0 | $0 | 0.00% | −109,000−100.0% | Sold out |
| William Blair Investment Management, LLC | 0 | $0 | 0.00% | −64,132−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −44,988−100.0% | Sold out |
| Islet Management, LP | 0 | $0 | 0.00% | −52,942−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −47,521−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −45,262−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −42,710−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −36,100−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −35,246−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −25,792−100.0% | Sold out |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −25,458−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −13,402−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −11,940−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −10,969−100.0% | Sold out |
| Gyon Technologies Capital Management, LP | 0 | $0 | 0.00% | −9,843−100.0% | Sold out |
| Clough Capital Partners L P | 0 | $0 | 0.00% | −9,420−100.0% | Sold out |
| ETF Managers Group, LLC | 0 | $0 | 0.00% | −7,920−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −7,333−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −6,724−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −6,397−100.0% | Sold out |
| Cna Financial Corp | 0 | $0 | 0.00% | −5,890−100.0% | Sold out |
| AlphaCrest Capital Management LLC | 0 | $0 | 0.00% | −5,419−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −5,006−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −4,600−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |
| Conway Capital Management, Inc. | 0 | $0 | 0.00% | −4,425−100.0% | Sold out |
| Birchview Capital, LP | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −3,863−100.0% | Sold out |
| Level Four Advisory Services, LLC | 0 | $0 | 0.00% | −3,556−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −3,280−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −2,714−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −2,637−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −2,379−100.0% | Sold out |
| Fulton Bank, N.A. | 0 | $0 | 0.00% | −2,154−100.0% | Sold out |
| SeaCrest Wealth Management, LLC | 0 | $0 | 0.00% | −1,830−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −1,794−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −1,797−100.0% | Sold out |
| First Republic Investment Management, Inc. | 0 | $0 | 0.00% | −1,692−100.0% | Sold out |
| Xponance, Inc. | 0 | $0 | 0.00% | −1,683−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −1,633−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −1,580−100.0% | Sold out |
| DuPont Capital Management Corp | 0 | $0 | 0.00% | −1,573−100.0% | Sold out |
| Howe & Rusling Inc | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Bogart Wealth, LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Moisand Fitzgerald Tamayo, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Parian Global Management LP | – | – | – | – | Not filed |
| Eaton Vance Management | – | – | – | – | Not filed |
| Dowling & Yahnke LLC | – | – | – | – | Not filed |
| Wipfli Financial Advisors LLC, | – | – | – | – | Not filed |
| Siena Capital LLC | – | – | – | – | Not filed |