Irhythm HoldingsIRTC
13F holders, Q2 2025 (June 30)303holders +47
68new positions
19sold out
7famous investors
$153.76avg. 13F price*
At the end of Q2 2025, 303 institutions reported holding Irhythm Holdings Inc. (IRTC) in their 13F filings, up 47 from Q1 2025. 68 opened new positions and 19 sold out. The largest holders were Vanguard Group Inc. ($498.2M), Sands Capital Management, LLC ($448.9M) and BlackRock, Inc. ($423.3M). 7 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Irhythm Holdings Inc.
- CUSIP
- 450056106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 68 | $306.6M |
| Exits | 19 | $71.6M |
All 13F filers, Q1 2025 → Q2 2025: 4,391,181 shares bought and 4,987,670 shares sold, net −596,489 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 303 holders
| Vanguard Group Inc. | 0.01% | Add +4.1% | 3,235,660 | $498.2M |
| Sands Capital Management, LLC | 1.29% | Reduce -3.3% | 2,915,527 | $448.9M |
| BlackRock, Inc. | 0.01% | Add +1.7% | 2,749,635 | $423.3M |
| Artisan Partners Limited Partnership | 0.63% | Reduce -2.6% | 2,740,841 | $422.0M |
| Capital Research Global Investors | 0.05% | Reduce -31.6% | 1,506,864 | $232.0M |
| State Street Corp. | 0.01% | Reduce -5.4% | 868,525 | $133.7M |
| Geode Capital Management, LLC | 0.01% | Add +2.3% | 767,336 | $118.2M |
| Blair William & Co. | 0.32% | Reduce -6.4% | 739,331 | $113.8M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.28% | Reduce -16.5% | 734,624 | $113.1M |
| Mackenzie Financial Corp. | 0.15% | Reduce -36.9% | 729,813 | $112.4M |
| Eventide Asset Management, LLC | 1.87% | Reduce -6.5% | 691,573 | $106.5M |
| Champlain Investment Partners, LLC | 0.71% | Reduce -19.6% | 661,232 | $101.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.02% | Reduce -32.7% | 607,652 | $93.6M |
| Fuller & Thaler Asset Management, Inc. | 0.33% | Add +13.2% | 586,478 | $90.3M |
| Bessemer Group Inc. | 0.14% | Reduce -0.8% | 569,196 | $87.6M |
| JPMorgan Chase & Co. | 0.01% | Add +0.1% | 563,201 | $86.7M |
| Stephens Investment Management Group LLC | 1.12% | Add +6.2% | 552,916 | $85.1M |
| FMR LLC | 0.00% | Reduce -9.3% | 420,201 | $64.7M |
| Allspring Global Investments Holdings, LLC | 0.11% | Reduce -16.3% | 434,343 | $63.4M |
| Wellington Management Group LLP | 0.01% | Add +138.7% | 395,316 | $60.9M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -9.0% | 394,613 | $60.8M |
| Bank of New York Mellon Corp | 0.01% | Reduce -2.3% | 349,338 | $53.8M |
| Bank of America Corp. | 0.00% | Reduce -6.5% | 347,632 | $53.5M |
| Millennium Management | 0.05% | Reduce -15.9% | 336,307 | $51.8M |
| Fred Alger Management, LLC | 0.22% | Add +30.4% | 325,543 | $50.1M |
| Point72 Asset Management | 0.12% | Reduce -23.4% | 322,098 | $49.6M |
| Holocene Advisors, LP | 0.12% | Add +2023.1% | 313,094 | $48.2M |
| Braidwell LP | 2.21% | Reduce -46.1% | 300,029 | $46.2M |
| Jennison Associates LLC | 0.03% | Add +6.2% | 297,492 | $45.8M |
| Sei Investments Co. | 0.05% | Reduce -7.1% | 290,634 | $44.7M |
| Westfield Capital Management Co. LP | 0.19% | Reduce -52.9% | 290,570 | $44.7M |
| Northern Trust Corp. | 0.01% | Reduce -0.9% | 289,317 | $44.5M |
| Lord, Abbett & Co. LLC | 0.15% | Add +11.2% | 287,476 | $44.3M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +6.6% | 271,467 | $41.8M |
| Man Group plc | 0.09% | New | 267,603 | $41.2M |
| Loomis Sayles & Co. L P | 0.05% | New | 255,517 | $39.3M |
| D. E. Shaw & Co. | 0.04% | New | 247,836 | $38.2M |
| Rock Springs Capital Management LP | 2.33% | Reduce -4.6% | 242,500 | $37.3M |
| Next Century Growth Investors LLC | 2.67% | Add +8.0% | 224,863 | $34.6M |
| Schroder Investment Management Group | 0.03% | Reduce -29.8% | 220,969 | $34.2M |
| Barclays PLC | 0.01% | Add +7.4% | 215,289 | $33.1M |
| Nuveen, LLC | 0.01% | Add +130.8% | 214,012 | $32.9M |
| Manufacturers Life Insurance Company, The | 0.03% | Reduce -0.4% | 195,642 | $30.1M |
| Deutsche Bank AG | 0.01% | Reduce -6.2% | 192,190 | $29.6M |
| First Light Asset Management, LLC | 3.74% | Reduce -42.4% | 187,355 | $28.8M |
| Ophir Asset Management Pty Ltd | 4.50% | Reduce -46.5% | 202,084 | $28.3M |
| BNP Paribas Financial Markets | 0.02% | Add +5169.0% | 183,257 | $28.2M |
| Morgan Stanley | 0.00% | Reduce -23.5% | 177,898 | $27.4M |
| New York State Common Retirement Fund | 0.03% | Add +5.7% | 170,013 | $26.2M |
| Citigroup Inc. | 0.02% | Reduce -9.9% | 166,744 | $25.7M |
| Driehaus Capital Management LLC | 0.20% | New | 161,646 | $24.9M |
| Squarepoint Ops LLC | 0.05% | Add +435.6% | 160,449 | $24.7M |
| Freestone Grove Partners LP | 0.18% | Add +12.7% | 154,317 | $23.8M |
| Renaissance Technologies | 0.03% | Add +538.9% | 141,200 | $21.7M |
| Segall Bryant & Hamill, LLC | 0.30% | Add +5.0% | 137,293 | $21.1M |
| Ameriprise Financial Inc. | 0.01% | Add +97.0% | 135,288 | $20.8M |
| Massachusetts Financial Services Co. | 0.01% | New | 126,455 | $19.5M |
| Raymond James Financial Inc. | 0.01% | Add +5.8% | 116,467 | $17.9M |
| Cubist Systematic Strategies, LLC | 0.18% | Add +153.3% | 110,727 | $17.0M |
| Frontier Capital Management Co. LLC | 0.15% | Reduce -52.7% | 106,415 | $16.4M |
| Citadel Advisors | 0.01% | Add +3124.5% | 100,023 | $15.4M |
| Invesco Ltd. | 0.00% | Add +324.5% | 94,298 | $14.5M |
| Jane Street Group, LLC | 0.02% | Add +92.7% | 88,168 | $13.6M |
| PFM Health Sciences, LP | 1.21% | New | 88,157 | $13.6M |
| Verition Fund Management LLC | 0.08% | Reduce -47.4% | 87,511 | $13.5M |
| Oberweis Asset Management Inc./ | 0.54% | New | 81,200 | $12.5M |
| C WorldWide Group Holding A/S | 0.17% | No change | 80,000 | $12.3M |
| Principal Financial Group Inc. | 0.01% | Add +56.9% | 79,169 | $12.2M |
| Royal Bank of Canada | 0.00% | Add +926.3% | 77,721 | $12.0M |
| WCM Investment Management, LLC | 0.03% | Reduce -44.3% | 77,170 | $11.9M |
| Peregrine Capital Management LLC | 0.36% | Reduce -7.8% | 76,594 | $11.8M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | Reduce -25.0% | 75,000 | $11.5M |
| Engineers Gate Manager LP | 0.14% | Add +37.1% | 74,842 | $11.5M |
| M&G PLC | 0.07% | New | 74,398 | $11.5M |
| Walleye Capital LLC | 0.12% | New | 73,822 | $11.4M |
| TimesSquare Capital Management, LLC | 0.16% | New | 71,660 | $11.0M |
| State of Wisconsin Investment Board | 0.03% | Reduce -8.8% | 68,475 | $10.5M |
| Trexquant Investment LP | 0.11% | Add +213.7% | 65,217 | $10.0M |
| Susquehanna International Group, LLP | 0.02% | Add +17.4% | 64,668 | $10.0M |
| Jump Financial, LLC | 0.12% | New | 62,795 | $9.7M |
| Swiss National Bank | 0.01% | Reduce -1.1% | 60,000 | $9.2M |
| Victory Capital Management Inc. | 0.01% | Add +1523.7% | 59,899 | $9.2M |
| Macquarie Group Ltd. | 0.01% | Add +4.8% | 57,523 | $8.9M |
| Amundi | 0.00% | Reduce -36.8% | 60,608 | $8.7M |
| First Trust Advisors LP | 0.01% | Add +66.0% | 56,197 | $8.7M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.03% | New | 53,926 | $8.3M |
| Point72 (DIFC) Ltd | 0.61% | Reduce -30.7% | 50,000 | $7.7M |
| Silvercrest Asset Management Group LLC | 0.05% | Reduce -48.2% | 49,123 | $7.6M |
| Rhumbline Advisers | 0.01% | Add +5.5% | 48,477 | $7.5M |
| Federated Hermes, Inc. | 0.01% | New | 48,424 | $7.5M |
| Castleark Management LLC | 0.22% | Reduce -0.2% | 48,180 | $7.4M |
| Qube Research & Technologies Ltd | 0.01% | New | 47,425 | $7.3M |
| Prudential Financial Inc. | 0.01% | Add +1914.3% | 45,825 | $7.1M |
| Balyasny Asset Management L.P. | 0.02% | Add +319.7% | 44,713 | $6.9M |
| Legal & General Group Plc | 0.00% | Add +2.5% | 44,004 | $6.8M |
| Susquehanna Fundamental Investments, LLC | 0.17% | Reduce -1.3% | 41,864 | $6.4M |
| Integral Health Asset Management, LLC | 0.58% | New | 40,000 | $6.2M |
| Hillsdale Investment Management Inc. | 0.21% | New | 37,500 | $5.8M |
| Alliancebernstein L.P. | 0.00% | Add +1.5% | 37,394 | $5.8M |
| UBS Group AG | 0.00% | Reduce -80.7% | 35,273 | $5.4M |
"% of holder's portfolio" is IRTC's weight in each manager's 13F, not the share of Irhythm Holdings Inc. the manager owns.