Irhythm HoldingsIRTC
13F holders, Q4 2024 (December 31)227holders −15
27new positions
50sold out
4famous investors
$90.15avg. 13F price*
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 |
"% of holder's portfolio" is IRTC's weight in each manager's 13F, not the share of Irhythm Holdings Inc. the manager owns.