Irhythm HoldingsIRTC
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 227 institutions reported holding Irhythm Holdings Inc. (IRTC) in their 13F filings, down 15 from Q3 2024. 27 opened new positions and 50 sold out. The largest holders were Sands Capital Management, LLC ($286.4M), Vanguard Group Inc. ($282.8M) and Artisan Partners Limited Partnership ($249.1M). 4 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ray Dalio (0.0% of Bridgewater Associates's portfolio).
- Company
- Irhythm Holdings Inc.
- CUSIP
- 450056106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 27 | $108.2M |
| Exits | 50 | $118.6M |
All 13F filers, Q3 2024 → Q4 2024: 4,689,979 shares bought and 4,737,604 shares sold, net −47,625 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 227 holders
| Sands Capital Management, LLC | 0.85% | Add +49.6% | 3,176,702 | $286.4M |
| Vanguard Group Inc. | 0.00% | Add +0.6% | 3,136,370 | $282.8M |
| Artisan Partners Limited Partnership | 0.38% | Reduce -0.6% | 2,762,734 | $249.1M |
| BlackRock, Inc. | 0.01% | Add +6.6% | 2,728,856 | $246.1M |
| Capital Research Global Investors | 0.03% | Reduce -16.3% | 1,637,026 | $147.6M |
| Mackenzie Financial Corp. | 0.17% | Reduce -2.7% | 1,381,942 | $124.6M |
| State Street Corp. | 0.00% | Add +4.4% | 948,781 | $85.6M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.20% | Add +27.3% | 900,116 | $81.2M |
| Westfield Capital Management Co. LP | 0.30% | Add +44.9% | 765,253 | $69.0M |
| Eventide Asset Management, LLC | 1.21% | Add +0.4% | 739,410 | $66.7M |
| Geode Capital Management, LLC | 0.01% | Reduce -0.3% | 731,467 | $66.0M |
| Champlain Investment Partners, LLC | 0.41% | Add +8.9% | 726,262 | $65.5M |
| JPMorgan Chase & Co. | 0.01% | Reduce -24.8% | 706,806 | $63.7M |
| Braidwell LP | 2.84% | Reduce -9.9% | 705,391 | $63.6M |
| Blair William & Co. | 0.16% | Reduce -6.2% | 604,737 | $54.5M |
| Bessemer Group Inc. | 0.08% | Add +111.7% | 568,007 | $51.2M |
| Allspring Global Investments Holdings, LLC | 0.08% | Add +9.6% | 570,048 | $51.0M |
| Slate Path Capital LP | 0.83% | No change | 510,500 | $46.0M |
| Stephens Investment Management Group LLC | 0.61% | Add +25.6% | 502,925 | $45.3M |
| Bank of New York Mellon Corp | 0.01% | Add +23.2% | 491,485 | $44.3M |
| FMR LLC | 0.00% | Add +22.5% | 475,405 | $42.9M |
| First Light Asset Management, LLC | 3.71% | New | 430,500 | $38.8M |
| Ophir Asset Management Pty Ltd | 5.74% | New | 427,402 | $38.5M |
| Rock Springs Capital Management LP | 1.37% | No change | 397,500 | $35.8M |
| Frontier Capital Management Co. LLC | 0.30% | Add +364.8% | 355,147 | $32.0M |
| Alyeska Investment Group, L.P. | 0.12% | Reduce -7.1% | 351,745 | $31.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -7.9% | 334,823 | $30.2M |
| Goldman Sachs Group Inc. | 0.01% | Add +72.5% | 324,839 | $29.3M |
| Sei Investments Co. | 0.04% | Add +6.1% | 318,653 | $28.7M |
| Schroder Investment Management Group | 0.03% | Reduce -5.5% | 308,338 | $27.8M |
| Citadel Advisors | 0.03% | Add +450.6% | 303,056 | $27.3M |
| Northern Trust Corp. | 0.00% | Add +7.0% | 287,334 | $25.9M |
| Fred Alger Management, LLC | 0.12% | Reduce -13.2% | 272,773 | $24.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.5% | 259,494 | $23.4M |
| Bank of America Corp. | 0.00% | Reduce -38.6% | 252,468 | $22.8M |
| Morgan Stanley | 0.00% | Reduce -18.4% | 251,764 | $22.7M |
| Wellington Management Group LLP | 0.00% | Add +9.3% | 233,840 | $21.1M |
| Barclays PLC | 0.01% | Add +3.0% | 215,511 | $19.4M |
| Deutsche Bank AG | 0.01% | Add +0.1% | 204,945 | $18.5M |
| Manufacturers Life Insurance Company, The | 0.02% | Reduce -0.3% | 195,919 | $17.7M |
| Citigroup Inc. | 0.02% | Reduce -4.7% | 190,198 | $17.2M |
| UBS Group AG | 0.00% | Add +309.7% | 170,595 | $15.4M |
| Deerfield Management Company, L.P. | 0.30% | New | 156,012 | $14.1M |
| Alberta Investment Management Corp | 0.09% | Add +53.3% | 145,166 | $13.1M |
| Segall Bryant & Hamill, LLC | 0.17% | Add +5.1% | 139,391 | $12.6M |
| WCM Investment Management, LLC | 0.03% | Reduce -2.1% | 138,202 | $12.0M |
| New York State Common Retirement Fund | 0.02% | Reduce -41.0% | 127,579 | $11.5M |
| Balyasny Asset Management L.P. | 0.02% | Reduce -22.4% | 111,502 | $10.1M |
| Amundi | 0.00% | Add +8.4% | 102,908 | $9.6M |
| Raymond James Financial Inc. | 0.00% | — | 101,487 | $9.2M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | New | 100,000 | $9.0M |
| Peregrine Capital Management LLC | 0.26% | Add +1.1% | 99,153 | $8.9M |
| Silvercrest Asset Management Group LLC | 0.06% | Reduce -0.4% | 95,129 | $8.6M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -4.1% | 93,170 | $8.4M |
| Holocene Advisors, LP | 0.03% | Reduce -52.6% | 85,853 | $7.7M |
| Harbor Capital Advisors, Inc. | 0.33% | Add +6.3% | 84,947 | $7.7M |
| C WorldWide Group Holding A/S | 0.09% | No change | 80,000 | $7.2M |
| State of Wisconsin Investment Board | 0.02% | Add +5.4% | 74,416 | $6.7M |
| Comerica Bank | 0.03% | Add +92.6% | 74,210 | $6.7M |
| Ameriprise Financial Inc. | 0.00% | Add +13.6% | 71,254 | $6.4M |
| Perceptive Advisors LLC | 0.16% | Add +188.4% | 65,153 | $5.9M |
| Engineers Gate Manager LP | 0.10% | Reduce -14.3% | 61,944 | $5.6M |
| Swiss National Bank | 0.00% | Add +1.1% | 61,400 | $5.5M |
| Millennium Management | 0.00% | Reduce -77.2% | 60,217 | $5.4M |
| Banque Pictet & Cie SA | 0.05% | Add +12.7% | 59,264 | $5.3M |
| Polar Capital Holdings Plc | 0.03% | Reduce -12.9% | 49,773 | $4.5M |
| Granahan Investment Management, LLC | 0.17% | Reduce -36.9% | 45,730 | $4.1M |
| Legal & General Group Plc | 0.00% | Reduce -3.3% | 44,926 | $4.1M |
| Rhumbline Advisers | 0.00% | Reduce -1.2% | 42,951 | $3.9M |
| Susquehanna Fundamental Investments, LLC | 0.06% | — | 41,864 | $3.8M |
| Alliancebernstein L.P. | 0.00% | Reduce -96.7% | 39,717 | $3.6M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | Add +5.3% | 34,349 | $3.1M |
| DLD Asset Management, LP | 4.01% | Reduce -40.8% | 34,200 | $3.1M |
| AXA S.A. | 0.01% | No change | 32,473 | $2.9M |
| Macquarie Group Ltd. | 0.00% | Reduce -2.0% | 30,397 | $2.7M |
| Jane Street Group, LLC | 0.00% | Reduce -70.6% | 29,444 | $2.7M |
| California State Teachers Retirement System | 0.00% | Reduce -0.7% | 29,218 | $2.6M |
| EFG Asset Management (North America) Corp. | 0.35% | Add +113.6% | 28,430 | $2.6M |
| Homestead Advisers Corp | 0.06% | Add +31.9% | 28,100 | $2.5M |
| State of New Jersey Common Pension Fund D | 0.01% | Reduce -2.1% | 27,815 | $2.5M |
| Susquehanna International Group, LLP | 0.00% | Reduce -67.5% | 26,222 | $2.4M |
| Kampmann Melissa S. | 1.70% | Reduce -8.4% | 23,925 | $2.2M |
| Squarepoint Ops LLC | 0.01% | Reduce -32.0% | 22,265 | $2.0M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -10.4% | 22,265 | $2.0M |
| Wells Fargo & Company | 0.00% | Reduce -60.2% | 20,972 | $1.9M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -9.8% | 20,848 | $1.9M |
| Mutual of America Capital Management LLC | 0.02% | Reduce -0.1% | 20,658 | $1.9M |
| B. Metzler seel. Sohn & Co. AG | 0.02% | No change | 20,500 | $1.8M |
| Group One Trading LLC | 0.06% | New | 20,370 | $1.8M |
| Algert Global LLC | 0.04% | Add +44.9% | 19,643 | $1.8M |
| Invesco Ltd. | 0.00% | Add +1.1% | 19,200 | $1.7M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.04% | Reduce -22.4% | 19,191 | $1.7M |
| MetLife Investment Management, LLC | 0.01% | Add +6.0% | 19,142 | $1.7M |
| Freestone Grove Partners LP | 0.02% | — | 16,712 | $1.5M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -68.0% | 16,369 | $1.5M |
| Corebridge Financial, Inc. | 0.01% | Reduce -7.0% | 15,543 | $1.4M |
| Intech Investment Management LLC | 0.01% | Add +57.8% | 14,927 | $1.3M |
| Bryce Point Capital, LLC | 0.37% | — | 14,093 | $1.3M |
| Janus Henderson Group PLC | 0.00% | No change | 13,856 | $1.3M |
| Truist Financial Corp. | 0.00% | Reduce -7.4% | 12,799 | $1.2M |
| Monimus Capital Management, LP | 0.99% | — | 11,659 | $1.1M |
| WoodTrust Financial Corp | 0.14% | Reduce -2.2% | 11,057 | $997K |
| Polar Asset Management Partners Inc. | 0.02% | Reduce -88.2% | 11,000 | $992K |
| Handelsbanken Fonder AB | 0.00% | Add +5.9% | 10,839 | $977K |
| Ensign Peak Advisors, Inc | 0.00% | No change | 10,643 | $960K |
| Voya Investment Management LLC | 0.00% | Reduce -7.3% | 9,407 | $848K |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -1.1% | 9,087 | $819K |
| Arizona State Retirement System | 0.01% | Add +1.0% | 9,047 | $816K |
| ProShare Advisors LLC | 0.00% | Add +52.1% | 8,988 | $810K |
| Synovus Financial Corp. | 0.01% | Add +0.9% | 8,801 | $794K |
| Exchange Traded Concepts, LLC | 0.02% | Reduce -22.3% | 8,613 | $777K |
| AQR Capital Management | 0.00% | New | 8,280 | $747K |
| Diversified Trust Co. | 0.02% | Add +25.4% | 8,276 | $746K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +15.0% | 8,198 | $739K |
| Cinctive Capital Management LP | 0.04% | New | 8,141 | $734K |
| Ascent Group, LLC | 0.05% | Add +13.0% | 8,110 | $731K |
| HighTower Advisors, LLC | 0.00% | Add +68.9% | 7,607 | $686K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -6.6% | 7,295 | $663K |
| Simplex Trading, LLC | 0.02% | Reduce -67.3% | 7,139 | $643K |
| Laird Norton Wetherby Wealth Management, LLC | 0.03% | New | 6,737 | $607K |
| Police & Firemen's Retirement System of New Jersey | 0.01% | — | 6,716 | $606K |
| KLP Kapitalforvaltning As | 0.00% | — | 6,600 | $595K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -43.9% | 6,159 | $555K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 6,138 | $553K |
| Natixis | 0.00% | New | 6,000 | $541K |
| Cim Investment Management Inc. | 0.15% | No change | 5,834 | $526K |
| Values First Advisors, Inc. | 0.28% | Add +9.1% | 5,588 | $504K |
| Nomura Holdings Inc. | 0.00% | New | 5,413 | $488K |
| Abn Amro Investment Solutions | 0.01% | Reduce -4.2% | 5,239 | $472K |
| Oppenheimer Asset Management Inc. | 0.01% | Reduce -44.4% | 5,162 | $465K |
| PNC Financial Services Group, Inc. | 0.00% | Add +32.3% | 4,980 | $449K |
| Farringdon Capital, Ltd. | 0.18% | — | 4,721 | $426K |
| Hennion & Walsh Asset Management, Inc. | 0.02% | Add +28.3% | 4,506 | $406K |
| HSBC Holdings PLC | 0.00% | Reduce -1.6% | 4,452 | $396K |
| BNP Paribas Financial Markets | 0.00% | Reduce -62.8% | 4,377 | $395K |
| SG Americas Securities, LLC | 0.00% | Reduce -73.3% | 4,308 | $388K |
| Aquatic Capital Management LLC | 0.01% | Reduce -49.2% | 4,165 | $376K |
| CIBC Private Wealth Group LLC | 0.00% | Reduce -1.5% | 4,006 | $373K |
| Creative Planning | 0.00% | New | 4,079 | $368K |
| Ancora Advisors LLC | 0.01% | Add +20.1% | 4,000 | $361K |
| Captrust Financial Advisors | 0.00% | New | 3,888 | $351K |
| Fox Run Management, L.L.C. | 0.06% | Reduce -46.1% | 3,837 | $346K |
| Victory Capital Management Inc. | 0.00% | Reduce -2.3% | 3,809 | $343K |
| Tower Research Capital LLC (TRC) | 0.01% | Add +1763.2% | 3,596 | $324K |
| Pictet Asset Management Holding SA | 0.00% | No change | 3,584 | $323K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 3,500 | $316K |
| Bridgewater Associates | 0.00% | Reduce -65.9% | 3,364 | $303K |
| Bank Pictet & Cie (Europe) AG | 0.01% | Add +5.9% | 3,289 | $297K |
| Brown Advisory Inc. | 0.00% | New | 3,280 | $296K |
| Ameritas Investment Partners, Inc. | 0.01% | Add +6.9% | 3,271 | $295K |
| IMA Advisory Services, Inc. | 0.04% | No change | 3,230 | $291K |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -4.5% | 3,072 | $277K |
| Cibc World Markets Corp. | 0.00% | New | 2,925 | $264K |
| Graham Capital Management, L.P. | 0.01% | Reduce -46.7% | 2,823 | $255K |
| Versor Investments LP | 0.04% | New | 2,780 | $251K |
| Mariner, LLC | 0.00% | Reduce -28.1% | 2,777 | $250K |
| LPL Financial LLC | 0.00% | New | 2,691 | $243K |
| Principal Financial Group Inc. | 0.00% | Reduce -8.4% | 2,664 | $240K |
| Gsa Capital Partners LLP | 0.02% | New | 2,397 | $216K |
| Xponance LLC | 0.00% | New | 2,253 | $203K |
| Osaic Holdings, Inc. | 0.00% | Reduce -5.2% | 1,689 | $152K |
| Bayforest Capital Ltd | 0.19% | — | 1,664 | $150K |
| Royal Bank of Canada | 0.00% | Reduce -93.8% | 1,448 | $130K |
| KBC Group NV | 0.00% | Add +45.1% | 1,319 | $119K |
| IFP Advisors, Inc | 0.00% | Reduce -5.2% | 1,198 | $108K |
| Amalgamated Bank | 0.00% | No change | 1,087 | $98K |
| Nisa Investment Advisors, LLC | 0.00% | Add +166.6% | 1,037 | $94K |
| Richards, Merrill & Peterson, Inc. | 0.05% | — | 1,025 | $92K |
| Wilmington Savings Fund Society, FSB | 0.00% | Reduce -37.5% | 1,000 | $90K |
| Ramirez Asset Management, Inc. | 0.01% | No change | 800 | $72K |
| Clearstead Advisors, LLC | 0.00% | Reduce -17.3% | 695 | $63K |
| Raiffeisen Bank International AG | 0.00% | — | 680 | $60K |
| Leonteq Securities AG | 0.01% | Reduce -31.7% | 648 | $58K |
| US Bancorp \de | 0.00% | Reduce -24.1% | 604 | $54K |
| Van Eck Associates Corp. | 0.00% | Add +41.3% | 554 | $50K |
| R Squared Ltd | 0.04% | — | 500 | $45K |
| Cwm, LLC | 0.00% | Reduce -79.0% | 335 | $30K |
| Allworth Financial LP | 0.00% | No change | 247 | $27K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +3.3% | 281 | $25K |
| Evelyn Partners Investment Management LLP | 0.00% | — | 245 | $22K |
| Smartleaf Asset Management LLC | 0.00% | Add +101.9% | 208 | $18K |
| STRS Ohio | 0.00% | New | 200 | $18K |
| Covestor Ltd | 0.01% | Add +135.9% | 184 | $17K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -20.0% | 184 | $17K |
| North Star Investment Management Corp. | 0.00% | New | 170 | $15K |
| Lindbrook Capital, LLC | 0.00% | Add +16.9% | 159 | $14K |
| Signaturefd, LLC | 0.00% | Add +8.7% | 137 | $12K |
| Assetmark, Inc. | 0.00% | Reduce -99.1% | 116 | $10K |
| Blue Trust, Inc. | 0.00% | Add +96.5% | 112 | $10K |
| Farther Finance Advisors, LLC | 0.00% | Add +2080.0% | 109 | $10K |
| Jones Financial Companies LLLP | 0.00% | Add +2.9% | 108 | $10K |
| Elequin Capital, LP | 0.00% | Reduce -7.0% | 106 | $10K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | No change | 100 | $9K |
| Fifth Third Bancorp | 0.00% | No change | 90 | $8K |
| Toth Financial Advisory Corp. | 0.00% | No change | 85 | $8K |
| Quadrant Capital Group LLC | 0.00% | Add +341.2% | 75 | $7K |
| Versant Capital Management, Inc | 0.00% | New | 65 | $6K |
| NewEdge Advisors, LLC | 0.00% | No change | 54 | $5K |
| AdvisorNet Financial, Inc | 0.00% | No change | 52 | $5K |
| Rothschild Investment LLC | 0.00% | Add +12.5% | 45 | $4K |
| Sterling Capital Management LLC | 0.00% | No change | 32 | $3K |
| Parallel Advisors, LLC | 0.00% | Reduce -96.1% | 31 | $3K |
| GAMMA Investing LLC | 0.00% | Add +55.6% | 28 | $3K |
| Arax Advisory Partners | 0.00% | No change | 25 | $2K |
| Geneos Wealth Management Inc. | 0.00% | No change | 24 | $2K |
| Manchester Capital Management LLC | 0.00% | No change | 23 | $2K |
| Avior Wealth Management, LLC | 0.00% | No change | 23 | $2K |
| Huntington National Bank | 0.00% | Reduce -52.2% | 22 | $2K |
| Steward Partners Investment Advisory, LLC | 0.00% | Reduce -91.6% | 20 | $2K |
| Carolinas Wealth Consulting LLC | 0.00% | New | 16 | $1K |
| Bell Investment Advisors, Inc | 0.00% | No change | 13 | $1K |
| Montag A & Associates Inc. | 0.00% | No change | 12 | $1K |
| JFS Wealth Advisors, LLC | 0.00% | Reduce -38.9% | 11 | $992 |
| CVA Family Office, LLC | 0.00% | New | 10 | $902 |
| Harbour Investments, Inc. | 0.00% | No change | 10 | $902 |
| Security National Bank | 0.00% | No change | 9 | $812 |
| Private Wealth Management Group, LLC | 0.00% | No change | 7 | $632 |
| Financial Perspectives, Inc | 0.00% | No change | 7 | $631 |
| Wolff Wiese Magana LLC | 0.00% | Reduce -88.9% | 5 | $451 |
| Larson Financial Group LLC | 0.00% | New | 4 | $361 |
| DHJJ Financial Advisors, Ltd. | 0.00% | No change | 2 | $181 |
| MV Capital Management, Inc. | 0.00% | Add +100.0% | 2 | $181 |
| Aster Capital Management (DIFC) Ltd | 0.00% | New | 2 | $180 |
| National Bank of Canada | 0.00% | Reduce -97.7% | 1 | $90 |
| Global Retirement Partners, LLC | 0.00% | New | 1 | $90 |
| SBI Securities Co., Ltd. | 0.00% | — | 1 | $90 |
| Coppell Advisory Solutions LLC | 0.00% | No change | 1 | $87 |
"% of holder's portfolio" is IRTC's weight in each manager's 13F, not the share of Irhythm Holdings Inc. the manager owns.