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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 2,957,749 | $278.8M | 0.01% | +26,469+0.9% | Added |
| Capital Research Global Investors | 2,373,917 | $223.8M | 0.06% | +85,456+3.7% | Added |
| Sands Capital Management, LLC | 2,349,720 | $221.5M | 0.75% | −36,865−1.5% | Reduced |
| BlackRock Inc. | 2,332,273 | $219.8M | 0.01% | −40,975−1.7% | Reduced |
| Artisan Partners Limited Partnership | 1,962,625 | $185.0M | 0.31% | +359,908+22.5% | Added |
| Alliancebernstein L.P. | 1,375,829 | $129.7M | 0.06% | +288,553+26.5% | Added |
| JPMorgan Chase & Co | 1,232,564 | $116.2M | 0.01% | −4,844−0.4% | Reduced |
| Mackenzie Financial Corp | 1,262,179 | $111.4M | 0.19% | +41,052+3.4% | Added |
| Blair William & Co | 1,111,417 | $104.8M | 0.40% | +68,983+6.6% | Added |
| Slate Path Capital LP | 868,700 | $81.9M | 2.28% | +293,700+51.1% | Added |
| FMR LLC | 851,847 | $80.3M | 0.01% | −763,810−47.3% | Reduced |
| State Street Corp | 846,364 | $79.8M | 0.00% | −16,544−1.9% | Reduced |
| LTS One Management LP | 774,748 | $73.0M | 16.05% | −130,252−14.4% | Reduced |
| Geode Capital Management, LLC | 637,778 | $60.1M | 0.01% | +24,660+4.0% | Added |
| Holocene Advisors, LP | 632,497 | $59.6M | 0.27% | +205,141+48.0% | Added |
| Invesco Ltd. | 602,356 | $56.8M | 0.02% | −155,485−20.5% | Reduced |
| Norges Bank | 572,435 | $54.0M | 0.01% | −21,048−3.5% | Reduced |
| Bank of New York Mellon Corp | 572,358 | $54.0M | 0.01% | +231,077+67.7% | Added |
| Braidwell LP | 568,157 | $53.6M | 1.69% | +89,600+18.7% | Added |
| Price T Rowe Associates Inc | 536,925 | $50.6M | 0.01% | −72,995−12.0% | Reduced |
| PFM Health Sciences, LP | 485,468 | $45.8M | 2.19% | 00.0% | Unchanged |
| Credit Suisse AG | 470,836 | $44.4M | 0.05% | −21,010−4.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 441,031 | $41.6M | 0.07% | −178,080−28.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 430,571 | $40.6M | 0.12% | −21,327−4.7% | Reduced |
| Bessemer Group Inc | 398,334 | $37.5M | 0.08% | +1,232+0.3% | Added |
| Fiera Capital Corp | 397,779 | $37.5M | 0.12% | +7,358+1.9% | Added |
| Rock Springs Capital Management LP | 350,750 | $33.1M | 0.89% | +41,300+13.3% | Added |
| Stephens Investment Management Group LLC | 306,006 | $28.8M | 0.47% | +683+0.2% | Added |
| Northern Trust Corp | 296,980 | $28.0M | 0.01% | +1,715+0.6% | Added |
| Goldman Sachs Group Inc | 283,363 | $26.7M | 0.01% | −6,424−2.2% | Reduced |
| Eventide Asset Management, LLC | 239,135 | $22.5M | 0.41% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 236,173 | $22.3M | 0.01% | −4,538−1.9% | Reduced |
| SEI Investments Co | 226,020 | $21.3M | 0.04% | +4,049+1.8% | Added |
| Wellington Management Group LLP | 219,167 | $20.7M | 0.00% | +219,167 | New |
| Exchange Traded Concepts, LLC | 210,987 | $19.9M | 0.56% | −3,344−1.6% | Reduced |
| New York State Common Retirement Fund | 196,941 | $18.6M | 0.03% | +2,799+1.4% | Added |
| Legal & General Group Plc | 187,191 | $17.6M | 0.01% | −5,227−2.7% | Reduced |
| Lord, Abbett & Co. LLC | 181,546 | $17.1M | 0.06% | −68,816−27.5% | Reduced |
| Morgan Stanley | 160,941 | $15.2M | 0.00% | +8,307+5.4% | Added |
| Balyasny Asset Management LLC | 159,275 | $15.0M | 0.04% | −204,351−56.2% | Reduced |
| Bank of America Corp | 110,002 | $10.4M | 0.00% | +6,128+5.9% | Added |
| D. E. Shaw & Co., Inc. | 108,880 | $10.3M | 0.02% | +4,059+3.9% | Added |
| Manufacturers Life Insurance Company, The | 101,283 | $9.55M | 0.01% | +2,123+2.1% | Added |
| Alberta Investment Management Corp | 94,714 | $8.93M | 0.10% | 00.0% | Unchanged |
| First Light Asset Management, LLC | 88,039 | $8.30M | 0.79% | +88,039 | New |
| Nuveen Asset Management, LLC | 87,322 | $8.23M | 0.00% | +3,199+3.8% | Added |
| WCM Investment Management, LLC | 82,522 | $7.78M | 0.02% | +82,522 | New |
| Peregrine Capital Management LLC | 81,528 | $7.68M | 0.23% | +3,357+4.3% | Added |
| Eagle Asset Management Inc | 80,468 | $7.58M | 0.04% | −1,399−1.7% | Reduced |
| C WorldWide Group Holding A/S | 80,000 | $7.54M | 0.10% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 72,800 | $6.86M | 0.01% | −10,700−12.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 69,528 | $6.55M | 0.01% | −2,618−3.6% | Reduced |
| Swiss National Bank | 67,000 | $6.32M | 0.00% | +600+0.9% | Added |
| Millennium Management LLC | 65,342 | $6.16M | 0.01% | −76,750−54.0% | Reduced |
| State of Wisconsin Investment Board | 53,250 | $5.02M | 0.02% | +6,081+12.9% | Added |
| Wells Fargo & Company | 47,962 | $4.52M | 0.00% | −8,087−14.4% | Reduced |
| Ameriprise Financial Inc | 47,497 | $4.48M | 0.00% | −15,834−25.0% | Reduced |
| California Public Employees Retirement System | 46,945 | $4.43M | 0.00% | 00.0% | Unchanged |
| Western Standard LLC | 45,656 | $4.30M | 3.89% | +2,894+6.8% | Added |
| Jane Street Group, LLC | 43,314 | $4.08M | 0.01% | −36,369−45.6% | Reduced |
| Rhumbline Advisers | 43,067 | $4.06M | 0.00% | +716+1.7% | Added |
| ExodusPoint Capital Management, LP | 41,155 | $3.88M | 0.05% | +41,155 | New |
| Silvercrest Asset Management Group LLC | 40,400 | $3.81M | 0.03% | +40,400 | New |
| AXA S.A. | 38,000 | $3.58M | 0.01% | 00.0% | Unchanged |
| Banque Pictet & Cie SA | 37,095 | $3.50M | 0.04% | +7,881+27.0% | Added |
| Neuberger Berman Group LLC | 37,091 | $3.50M | 0.00% | −906−2.4% | Reduced |
| Prosight Management, LP | 35,000 | $3.30M | 1.05% | −1,030−2.9% | Reduced |
| TD Asset Management Inc | 33,904 | $3.20M | 0.00% | +11,052+48.4% | Added |
| UBS Asset Management Americas Inc | 33,861 | $3.19M | 0.00% | +191+0.6% | Added |
| California State Teachers Retirement System | 33,718 | $3.18M | 0.00% | −3,297−8.9% | Reduced |
| Deutsche Bank AG | 33,486 | $3.16M | 0.00% | +1,580+5.0% | Added |
| Envestnet Asset Management Inc | 33,104 | $3.12M | 0.00% | +17,542+112.7% | Added |
| Sectoral Asset Management Inc | 33,000 | $3.11M | 0.61% | +3,000+10.0% | Added |
| UBS Group AG | 32,445 | $3.06M | 0.00% | −10,946−25.2% | Reduced |
| Man Group plc | – | $2.67M | 0.01% | – | – |
| Mutual of America Capital Management LLC | 24,610 | $2.32M | 0.03% | −1,465−5.6% | Reduced |
| State of New Jersey Common Pension Fund D | 23,288 | $2.20M | 0.01% | +2,322+11.1% | Added |
| Squarepoint Ops LLC | 22,637 | $2.13M | 0.01% | +22,637 | New |
| Tudor Investment Corp Et Al | 22,439 | $2.12M | 0.03% | −9,830−30.5% | Reduced |
| Kampmann Melissa S. | 22,390 | $2.11M | 2.04% | +22,390 | New |
| Royal Bank of Canada | 21,395 | $2.02M | 0.00% | +2,690+14.4% | Added |
| Gilder Gagnon Howe & Co LLC | 21,330 | $2.01M | 0.03% | −654−3.0% | Reduced |
| UBS Oconnor LLC | 21,158 | $1.99M | 0.04% | +8,629+68.9% | Added |
| BNP Paribas Arbitrage, SA | 20,938 | $1.97M | 0.00% | +7,180+52.2% | Added |
| ClariVest Asset Management LLC | 20,362 | $1.92M | 0.10% | +20+0.1% | Added |
| EULAV Asset Management | 20,300 | $1.91M | 0.07% | 00.0% | Unchanged |
| Trexquant Investment LP | 19,629 | $1.85M | 0.05% | +16,416+510.9% | Added |
| Macquarie Group Ltd | 19,348 | $1.82M | 0.00% | +2,250+13.2% | Added |
| Baird Financial Group, Inc. | 18,042 | $1.70M | 0.00% | +244+1.4% | Added |
| MetLife Investment Management | 16,028 | $1.51M | 0.01% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 15,760 | $1.49M | 0.01% | +15,760 | New |
| American International Group, Inc. | 15,317 | $1.44M | 0.01% | +544+3.7% | Added |
| Truist Financial Corp | 15,086 | $1.42M | 0.00% | +19+0.1% | Added |
| Millrace Asset Group, Inc. | 14,272 | $1.34M | 1.66% | +14,272 | New |
| Janus Henderson Group PLC | 14,034 | $1.32M | 0.00% | −234,427−94.4% | Reduced |
| Algert Global LLC | 13,512 | $1.27M | 0.06% | −4,410−24.6% | Reduced |
| McKinley Capital Management LLC /Delaware | 13,070 | $1.23M | 0.17% | 00.0% | Unchanged |
| SYSTM Wealth Solutions LLC | 13,051 | $1.23M | 0.19% | +1,103+9.2% | Added |
| B. Metzler seel. Sohn & Co. AG | 12,633 | $1.19M | 0.02% | +12,633 | New |
| WoodTrust Financial Corp | 12,382 | $1.17M | 0.22% | 00.0% | Unchanged |