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 2025
Institutional positions in iRhythm Holdings, Inc. as of Sep 30, 2025. 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
- 338
- +35 vs. Q2 2025
- Shares held
- 34.7M
- −681.3K (−1.9%) vs. Q2 2025
- Total value
- $5.97B
- +$525.9M (+9.7%) vs. Q2 2025
- New holders
- 63
- 111 more added
- Sold out
- 28
- 114 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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 2025
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of New Jersey Common Pension Fund D | 12,761 | $2.19M | 0.01% | −462−3.5% | Reduced |
| Baird Financial Group, Inc. | 13,290 | $2.29M | 0.00% | +13,290 | New |
| Aquatic Capital Management LLC | 13,327 | $2.29M | 0.04% | +7,523+129.6% | Added |
| SG Americas Securities, LLC | 13,645 | $2.35M | 0.01% | −14,344−51.2% | Reduced |
| Janus Henderson Group PLC | 13,856 | $2.38M | 0.00% | 00.0% | Unchanged |
| Creative Planning | 14,350 | $2.47M | 0.00% | +3,875+37.0% | Added |
| Cookson Peirce & Co Inc | 14,524 | $2.50M | 0.10% | +7,452+105.4% | Added |
| Granahan Investment Management Inc | 14,940 | $2.57M | 0.11% | +2,276+18.0% | Added |
| Intech Investment Management LLC | 15,252 | $2.62M | 0.02% | −2,232−12.8% | Reduced |
| Lisanti Capital Growth, LLC | 16,830 | $2.89M | 0.71% | +16,830 | New |
| Deerfield Management Company, L.P. (Series C) | 17,262 | $2.97M | 0.05% | +17,262 | New |
| MetLife Investment Management | 18,678 | $3.21M | 0.02% | −327−1.7% | Reduced |
| Voloridge Investment Management, LLC | 19,142 | $3.29M | 0.01% | +19,142 | New |
| Jump Financial, LLC | 19,700 | $3.39M | 0.04% | −43,095−68.6% | Reduced |
| Voya Investment Management LLC | 20,564 | $3.54M | 0.00% | +11,831+135.5% | Added |
| Mutual of America Capital Management LLC | 21,289 | $3.66M | 0.04% | −1,363−6.0% | Reduced |
| Gotham Asset Management, LLC | 21,332 | $3.67M | 0.02% | +13,356+167.5% | Added |
| Verition Fund Management LLC | 23,477 | $4.04M | 0.02% | −64,034−73.2% | Reduced |
| Kampmann Melissa S. | 23,885 | $4.11M | 3.00% | −665−2.7% | Reduced |
| Trexquant Investment LP | 24,763 | $4.26M | 0.04% | −40,454−62.0% | Reduced |
| Ensign Peak Advisors, Inc | 25,893 | $4.45M | 0.01% | +12,690+96.1% | Added |
| Ossiam | 27,100 | $4.66M | 0.06% | +27,100 | New |
| HSBC Holdings PLC | 28,251 | $4.77M | 0.00% | +24,170+592.3% | Added |
| Susquehanna Fundamental Investments, LLC | 27,893 | $4.80M | 0.19% | −13,971−33.4% | Reduced |
| Cinctive Capital Management LP | 28,044 | $4.82M | 0.24% | +28,044 | New |
| 1832 Asset Management L.P. | 28,200 | $4.85M | 0.01% | +28,200 | New |
| Comerica Bank | 28,402 | $4.88M | 0.02% | +864+3.1% | Added |
| Banque Pictet & Cie SA | 28,570 | $4.91M | 0.05% | −3,071−9.7% | Reduced |
| Wells Fargo & Company | 29,117 | $5.01M | 0.00% | +3,985+15.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 29,141 | $5.01M | 0.01% | −670−2.2% | Reduced |
| RE Advisers Corp | 30,100 | $5.18M | 0.12% | −2,300−7.1% | Reduced |
| California State Teachers Retirement System | 30,121 | $5.18M | 0.01% | +1,204+4.2% | Added |
| EFG Asset Management (North America) Corp. | 30,967 | $5.32M | 0.69% | +355+1.2% | Added |
| Envestnet Asset Management Inc | 31,244 | $5.37M | 0.00% | −2,565−7.6% | Reduced |
| AQR Capital Management LLC | 31,421 | $5.40M | 0.00% | +24,436+349.8% | Added |
| HealthInvest Partners AB | 29,991 | $5.48M | 2.03% | +4,689+18.5% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 31,856 | $5.48M | 0.01% | +11,063+53.2% | Added |
| EAM Investors, LLC | 37,841 | $6.40M | 0.73% | +3,873+11.4% | Added |
| Alliancebernstein L.P. | 37,489 | $6.45M | 0.00% | +95+0.3% | Added |
| Hillsdale Investment Management Inc. | 38,250 | $6.58M | 0.20% | +750+2.0% | Added |
| Steadfast Capital Management LP | 39,700 | $6.83M | 0.12% | +39,700 | New |
| Legal & General Group Plc | 42,005 | $7.22M | 0.00% | −1,999−4.5% | Reduced |
| Russell Investments Group, Ltd. | 46,894 | $8.07M | 0.01% | +22,643+93.4% | Added |
| Rhumbline Advisers | 47,579 | $8.18M | 0.01% | −898−1.9% | Reduced |
| Silvercrest Asset Management Group LLC | 47,837 | $8.23M | 0.05% | −1,286−2.6% | Reduced |
| Adage Capital Partners GP, L.L.C. | 50,000 | $8.60M | 0.01% | −25,000−33.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 51,316 | $8.83M | 0.03% | −2,610−4.8% | Reduced |
| Macquarie Group Ltd | 51,421 | $8.84M | 0.01% | −6,102−10.6% | Reduced |
| UBS Group AG | 52,783 | $9.08M | 0.00% | +17,510+49.6% | Added |
| Amundi | 55,678 | $9.79M | 0.00% | −4,930−8.1% | Reduced |
| Peregrine Capital Management LLC | 58,102 | $9.99M | 0.30% | −18,492−24.1% | Reduced |
| Castleark Management LLC | 58,393 | $10.0M | 0.28% | +10,213+21.2% | Added |
| First Trust Advisors LP | 58,739 | $10.1M | 0.01% | +2,542+4.5% | Added |
| State of Wisconsin Investment Board | 60,224 | $10.4M | 0.02% | −8,251−12.0% | Reduced |
| Swiss National Bank | 61,900 | $10.6M | 0.01% | +1,900+3.2% | Added |
| PFM Health Sciences, LP | 64,998 | $11.2M | 0.95% | −23,159−26.3% | Reduced |
| Integral Health Asset Management, LLC | 65,000 | $11.2M | 0.81% | +25,000+62.5% | Added |
| TimesSquare Capital Management, LLC | 67,317 | $11.6M | 0.17% | −4,343−6.1% | Reduced |
| Federated Hermes, Inc. | 70,401 | $12.1M | 0.02% | +21,977+45.4% | Added |
| WCM Investment Management, LLC | 77,261 | $13.1M | 0.03% | +91+0.1% | Added |
| M&G Plc | 76,868 | $13.2M | 0.07% | +2,470+3.3% | Added |
| Assenagon Asset Management S.A. | 77,876 | $13.4M | 0.02% | +77,876 | New |
| Victory Capital Management Inc | 77,952 | $13.4M | 0.01% | +18,053+30.1% | Added |
| Algert Global LLC | 79,730 | $13.7M | 0.23% | +49,764+166.1% | Added |
| C WorldWide Group Holding A/S | 80,000 | $13.8M | 0.21% | 00.0% | Unchanged |
| Principal Financial Group Inc | 80,136 | $13.8M | 0.01% | +967+1.2% | Added |
| Oberweis Asset Management Inc | 81,200 | $14.0M | 0.53% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 85,211 | $14.7M | 0.17% | +10,369+13.9% | Added |
| Prudential Financial Inc | 86,528 | $14.9M | 0.02% | +40,703+88.8% | Added |
| Cubist Systematic Strategies, LLC | 89,220 | $15.3M | 0.22% | −21,507−19.4% | Reduced |
| Frontier Capital Management Co LLC | 89,230 | $15.3M | 0.14% | −17,185−16.1% | Reduced |
| Jane Street Group, LLC | 92,438 | $15.9M | 0.02% | +4,270+4.8% | Added |
| Walleye Capital LLC | 95,912 | $16.5M | 0.13% | +22,090+29.9% | Added |
| Bank of New York Mellon Corp | 99,162 | $17.1M | 0.00% | −250,176−71.6% | Reduced |
| Ophir Asset Management Pty Ltd | 101,561 | $17.5M | 2.16% | −100,523−49.7% | Reduced |
| Renaissance Technologies LLC | 121,400 | $20.9M | 0.03% | −19,800−14.0% | Reduced |
| Perceptive Advisors LLC | 123,000 | $21.2M | 0.61% | +123,000 | New |
| Segall Bryant & Hamill, LLC | 125,298 | $21.6M | 0.29% | −11,995−8.7% | Reduced |
| Jain Global LLC | 131,092 | $22.5M | 0.29% | +131,092 | New |
| BNP Paribas Arbitrage, SA | 132,899 | $22.9M | 0.02% | −50,358−27.5% | Reduced |
| Ameriprise Financial Inc | 137,309 | $23.6M | 0.01% | +2,021+1.5% | Added |
| Royal Bank of Canada | 137,886 | $23.7M | 0.00% | +60,165+77.4% | Added |
| Morgan Stanley | 154,871 | $26.6M | 0.00% | −23,027−12.9% | Reduced |
| First Light Asset Management, LLC | 155,099 | $26.7M | 2.51% | −32,256−17.2% | Reduced |
| Citigroup Inc | 156,420 | $26.9M | 0.02% | −10,324−6.2% | Reduced |
| Jennison Associates LLC | 157,276 | $27.0M | 0.02% | −140,216−47.1% | Reduced |
| Massachusetts Financial Services Co | 160,550 | $27.6M | 0.01% | +34,095+27.0% | Added |
| Schroder Investment Management Group | 164,066 | $27.8M | 0.02% | −56,903−25.8% | Reduced |
| Qube Research & Technologies Ltd | 166,862 | $28.7M | 0.04% | +119,437+251.8% | Added |
| New York State Common Retirement Fund | 167,447 | $28.8M | 0.04% | −2,566−1.5% | Reduced |
| Raymond James Financial Inc | 169,137 | $29.1M | 0.01% | +52,670+45.2% | Added |
| Squarepoint Ops LLC | 181,035 | $31.1M | 0.07% | +20,586+12.8% | Added |
| Barclays PLC | 186,753 | $32.1M | 0.01% | −28,536−13.3% | Reduced |
| Next Century Growth Investors LLC | 189,082 | $32.5M | 2.37% | −35,781−15.9% | Reduced |
| Manufacturers Life Insurance Company, The | 195,348 | $33.6M | 0.03% | −294−0.2% | Reduced |
| Deutsche Bank AG | 199,543 | $34.3M | 0.01% | +7,353+3.8% | Added |
| Man Group plc | 206,422 | $35.5M | 0.07% | −61,181−22.9% | Reduced |
| Nuveen, LLC | 216,648 | $37.3M | 0.01% | +2,636+1.2% | Added |
| Driehaus Capital Management LLC | 218,423 | $37.6M | 0.27% | +56,777+35.1% | Added |
| Braidwell LP | 225,845 | $38.8M | 1.15% | −74,184−24.7% | Reduced |