Irhythm HoldingsIRTC
13F holders, Q2 2024 (June 30)At the end of Q2 2024, 228 institutions reported holding Irhythm Holdings Inc. (IRTC) in their 13F filings, down 24 from Q1 2024. 25 opened new positions and 49 sold out. The largest holders were Vanguard Group Inc. ($320.9M), Artisan Partners Limited Partnership ($289.0M) and BlackRock Inc. ($269.4M). 5 famous investors held it, including Steve Cohen (0.2% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Irhythm Holdings Inc.
- CUSIP
- 450056106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 25 | $19.6M |
| Exits | 49 | $136.8M |
All 13F filers, Q1 2024 → Q2 2024: 4,041,231 shares bought and 2,601,077 shares sold, net +1,440,154 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 228 holders
| Vanguard Group Inc. | 0.01% | Add +1.1% | 2,981,621 | $320.9M |
| Artisan Partners Limited Partnership | 0.44% | Add +25.2% | 2,685,285 | $289.0M |
| BlackRock Inc. | 0.01% | Add +2.5% | 2,502,353 | $269.4M |
| Capital Research Global Investors | 0.06% | Reduce -0.0% | 2,494,439 | $268.5M |
| Sands Capital Management, LLC | 0.67% | Reduce -0.8% | 2,126,003 | $228.8M |
| Mackenzie Financial Corp. | 0.23% | Add +5.9% | 1,428,324 | $153.7M |
| Alliancebernstein L.P. | 0.05% | Add +2.7% | 1,267,896 | $136.5M |
| Holocene Advisors, LP | 0.47% | Add +13.5% | 1,042,670 | $112.2M |
| JPMorgan Chase & Co. | 0.01% | Reduce -1.6% | 947,322 | $102.0M |
| State Street Corp. | 0.00% | Add +16.6% | 896,851 | $96.5M |
| Blair William & Co. | 0.27% | Reduce -4.1% | 799,080 | $86.0M |
| Champlain Investment Partners, LLC | 0.49% | Add +28.4% | 739,265 | $79.6M |
| Geode Capital Management, LLC | 0.01% | Add +5.4% | 727,885 | $78.4M |
| Invesco Ltd. | 0.02% | Add +17.4% | 685,722 | $73.8M |
| Westfield Capital Management Co. LP | 0.32% | Add +21.2% | 609,080 | $65.6M |
| Point72 Asset Management | 0.19% | Add +12.3% | 536,202 | $57.7M |
| Braidwell LP | 2.90% | Add +8.9% | 526,357 | $56.7M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.14% | Add +0.0% | 511,929 | $55.1M |
| Slate Path Capital LP | 1.11% | No change | 510,500 | $55.0M |
| Millennium Management | 0.05% | Add +298.0% | 495,975 | $53.4M |
| Allspring Global Investments Holdings, LLC | 0.08% | Add +14.6% | 475,586 | $51.2M |
| Stephens Investment Management Group LLC | 0.63% | Add +2.1% | 420,607 | $45.3M |
| Bank of New York Mellon Corp | 0.01% | Reduce -31.1% | 401,009 | $43.2M |
| Rock Springs Capital Management LP | 1.29% | Add +1.3% | 397,500 | $42.8M |
| Fiera Capital Corp | 0.13% | Add +1.1% | 393,197 | $42.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +1032.1% | 386,029 | $41.6M |
| Loomis Sayles & Co. L P | 0.06% | Add +21.1% | 370,490 | $39.9M |
| FMR LLC | 0.00% | Add +16.4% | 362,689 | $39.0M |
| Morgan Stanley | 0.00% | Add +91.5% | 354,506 | $38.2M |
| Bank of America Corp. | 0.00% | Add +77.7% | 354,135 | $38.1M |
| Schroder Investment Management Group | 0.04% | Add +8.8% | 313,913 | $33.8M |
| Alyeska Investment Group, L.P. | 0.19% | Add +52.6% | 310,741 | $33.4M |
| Sei Investments Co. | 0.04% | Add +19.0% | 280,023 | $30.1M |
| Eventide Asset Management, LLC | 0.50% | Add +13.8% | 272,092 | $29.3M |
| Bessemer Group Inc. | 0.05% | Reduce -2.8% | 268,251 | $28.9M |
| Northern Trust Corp. | 0.00% | Reduce -5.4% | 266,711 | $28.7M |
| Fred Alger Management, LLC | 0.13% | Add +12.5% | 252,421 | $27.2M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +3.0% | 251,530 | $27.1M |
| New York State Common Retirement Fund | 0.03% | Add +8.7% | 228,201 | $24.6M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -1.8% | 216,759 | $23.3M |
| Citigroup Inc. | 0.02% | Add +1179.3% | 205,908 | $22.2M |
| Wellington Management Group LLP | 0.00% | Reduce -3.6% | 201,471 | $21.7M |
| Deutsche Bank AG | 0.01% | Add +271.8% | 201,029 | $21.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -11.9% | 185,127 | $19.9M |
| Manufacturers Life Insurance Company, The | 0.02% | Add +6.4% | 183,046 | $19.7M |
| Citadel Advisors | 0.02% | Reduce -48.4% | 164,186 | $17.7M |
| Nuveen Asset Management, LLC | 0.01% | Add +11.9% | 158,827 | $17.1M |
| Barclays PLC | 0.01% | Add +326.6% | 155,749 | $16.8M |
| WCM Investment Management, LLC | 0.03% | Add +2.1% | 141,275 | $14.7M |
| Segall Bryant & Hamill, LLC | 0.25% | Add +26.9% | 129,860 | $14.0M |
| Gilder Gagnon Howe & Co. LLC | 0.17% | Add +174.8% | 126,395 | $13.6M |
| Neuberger Berman Group LLC | 0.01% | Add +22.1% | 109,420 | $11.8M |
| Jane Street Group, LLC | 0.01% | Reduce -9.2% | 97,027 | $10.4M |
| Silvercrest Asset Management Group LLC | 0.07% | Add +1.4% | 96,028 | $10.3M |
| Alberta Investment Management Corp | 0.11% | No change | 94,714 | $10.2M |
| Norges Bank | 0.00% | Reduce -64.3% | 83,926 | $9.0M |
| Peregrine Capital Management LLC | 0.26% | Add +18.5% | 81,552 | $8.8M |
| C WorldWide Group Holding A/S | 0.09% | No change | 80,000 | $8.6M |
| Polar Capital Holdings Plc | 0.05% | Add +20.9% | 76,731 | $8.3M |
| Polar Asset Management Partners Inc. | 0.31% | Add +135.7% | 72,600 | $7.8M |
| State of Wisconsin Investment Board | 0.02% | Add +2.1% | 69,911 | $7.5M |
| Eagle Asset Management Inc. | 0.04% | Reduce -14.8% | 69,462 | $7.4M |
| Swiss National Bank | 0.00% | Add +1.3% | 61,300 | $6.6M |
| Ameriprise Financial Inc. | 0.00% | Add +50.9% | 60,513 | $6.5M |
| Wells Fargo & Company | 0.00% | Add +5.5% | 57,306 | $6.2M |
| AEGON ASSET MANAGEMENT UK Plc | 0.09% | New | 56,782 | $6.1M |
| Envestnet Asset Management Inc. | 0.00% | Add +12.2% | 52,609 | $5.7M |
| Assenagon Asset Management S.A. | 0.01% | Add +361.1% | 48,962 | $5.3M |
| Baron Capital (BAMCO) | 0.01% | Add +3.3% | 46,500 | $5.0M |
| Susquehanna Portfolio Strategies, LLC | 0.20% | Reduce -12.7% | 46,020 | $5.0M |
| Rhumbline Advisers | 0.00% | Add +5.1% | 45,681 | $4.9M |
| Comerica Bank | 0.02% | Add +15.8% | 45,138 | $4.9M |
| California Public Employees Retirement System | 0.00% | Add +0.2% | 44,235 | $4.8M |
| DLD Asset Management, LP | 9.60% | New | 44,150 | $4.8M |
| Legal & General Group Plc | 0.00% | Reduce -73.5% | 41,584 | $4.5M |
| Formula Growth Ltd. | 1.58% | Add +26.4% | 40,409 | $4.3M |
| Baird Financial Group, Inc. | 0.01% | Reduce -3.5% | 40,287 | $4.3M |
| Balyasny Asset Management L.P. | 0.01% | Reduce -72.2% | 39,448 | $4.2M |
| Banque Pictet & Cie SA | 0.04% | Reduce -3.0% | 39,104 | $4.2M |
| Perceptive Advisors LLC | 0.09% | Reduce -85.6% | 35,205 | $3.8M |
| AXA S.A. | 0.01% | No change | 32,987 | $3.6M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | — | 32,742 | $3.5M |
| California State Teachers Retirement System | 0.00% | Reduce -0.9% | 30,377 | $3.3M |
| Trexquant Investment LP | 0.05% | Add +24.4% | 27,452 | $3.0M |
| Kampmann Melissa S. | 2.05% | Reduce -0.1% | 26,115 | $2.8M |
| Macquarie Group Ltd. | 0.00% | Reduce -56.3% | 25,693 | $2.8M |
| UBS Group AG | 0.00% | Reduce -36.0% | 24,638 | $2.7M |
| Royal Bank of Canada | 0.00% | Add +17.1% | 22,469 | $2.4M |
| Harbor Capital Advisors, Inc. | 0.18% | Add +377.3% | 21,490 | $2.3M |
| State of New Jersey Common Pension Fund D | 0.01% | Reduce -18.4% | 21,439 | $2.3M |
| Homestead Advisers Corp | 0.06% | Add +26.0% | 21,300 | $2.3M |
| Mutual of America Capital Management LLC | 0.02% | Reduce -4.2% | 20,870 | $2.2M |
| B. Metzler seel. Sohn & Co. AG | 0.02% | No change | 20,500 | $2.2M |
| Lighthouse Investment Partners, LLC | 0.12% | New | 19,243 | $2.1M |
| First Trust Advisors LP | 0.00% | Add +48.1% | 19,144 | $2.1M |
| Millrace Asset Group, Inc. | 1.95% | New | 18,675 | $2.0M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.06% | Reduce -3.2% | 18,347 | $2.0M |
| MetLife Investment Management, LLC | 0.01% | Add +15.5% | 18,055 | $1.9M |
| Corebridge Financial, Inc. | 0.01% | — | 16,819 | $1.8M |
| Truist Financial Corp. | 0.00% | Reduce -1.9% | 14,147 | $1.5M |
"% of holder's portfolio" is IRTC's weight in each manager's 13F, not the share of Irhythm Holdings Inc. the manager owns.