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, Q3 2023
Institutional positions in iRhythm Holdings, Inc. as of Sep 30, 2023. 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
- 224
- +23 vs. Q2 2023
- Shares held
- 33.2M
- −137.9K (−0.4%) vs. Q2 2023
- Total value
- $3.12B
- −$351.7M (−10.1%) vs. Q2 2023
- New holders
- 38
- 77 more added
- Sold out
- 15
- 75 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 430,571 | $40.6M | 0.12% | −21,327−4.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 441,031 | $41.6M | 0.07% | −178,080−28.8% | Reduced |
| Credit Suisse AG | 470,836 | $44.4M | 0.05% | −21,010−4.3% | Reduced |
| PFM Health Sciences, LP | 485,468 | $45.8M | 2.19% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 536,925 | $50.6M | 0.01% | −72,995−12.0% | Reduced |
| Braidwell LP | 568,157 | $53.6M | 1.69% | +89,600+18.7% | Added |
| Bank of New York Mellon Corp | 572,358 | $54.0M | 0.01% | +231,077+67.7% | Added |
| Norges Bank | 572,435 | $54.0M | 0.01% | −21,048−3.5% | Reduced |
| Invesco Ltd. | 602,356 | $56.8M | 0.02% | −155,485−20.5% | Reduced |
| Holocene Advisors, LP | 632,497 | $59.6M | 0.27% | +205,141+48.0% | Added |
| Geode Capital Management, LLC | 637,778 | $60.1M | 0.01% | +24,660+4.0% | Added |
| LTS One Management LP | 774,748 | $73.0M | 16.05% | −130,252−14.4% | Reduced |
| State Street Corp | 846,364 | $79.8M | 0.00% | −16,544−1.9% | Reduced |
| FMR LLC | 851,847 | $80.3M | 0.01% | −763,810−47.3% | Reduced |
| Slate Path Capital LP | 868,700 | $81.9M | 2.28% | +293,700+51.1% | Added |
| Blair William & Co | 1,111,417 | $104.8M | 0.40% | +68,983+6.6% | Added |
| Mackenzie Financial Corp | 1,262,179 | $111.4M | 0.19% | +41,052+3.4% | Added |
| JPMorgan Chase & Co | 1,232,564 | $116.2M | 0.01% | −4,844−0.4% | Reduced |
| Alliancebernstein L.P. | 1,375,829 | $129.7M | 0.06% | +288,553+26.5% | Added |
| Artisan Partners Limited Partnership | 1,962,625 | $185.0M | 0.31% | +359,908+22.5% | Added |
| BlackRock Inc. | 2,332,273 | $219.8M | 0.01% | −40,975−1.7% | Reduced |
| Sands Capital Management, LLC | 2,349,720 | $221.5M | 0.75% | −36,865−1.5% | Reduced |
| Capital Research Global Investors | 2,373,917 | $223.8M | 0.06% | +85,456+3.7% | Added |
| Vanguard Group Inc | 2,957,749 | $278.8M | 0.01% | +26,469+0.9% | Added |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −22,878−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −19,754−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −11,584−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −10,651−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −10,200−100.0% | Sold out |
| Maverick Capital LtdSuperinvestorMaverick Capital | 0 | $0 | 0.00% | −10,064−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −7,650−100.0% | Sold out |
| Vontobel Holding Ltd. | 0 | $0 | 0.00% | −4,373−100.0% | Sold out |
| NinePointTwo Capital | 0 | $0 | 0.00% | −2,616−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −2,071−100.0% | Sold out |
| SeaCrest Wealth Management, LLC | 0 | $0 | 0.00% | −1,985−100.0% | Sold out |
| Carmel Capital Partners, LLC | 0 | $0 | 0.00% | −425−100.0% | Sold out |
| Psagot Value Holdings Ltd. / (Israel) | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Sofos Investments, Inc. | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| Bradley Mark J. | – | – | – | – | Not filed |
| Pictet Asset Management SA | – | – | – | – | Not filed |