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, Q4 2025
Institutional positions in iRhythm Holdings, Inc. as of Dec 31, 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
- 335
- +4 vs. Q3 2025
- Shares held
- 35.2M
- +613.4K (+1.8%) vs. Q3 2025
- Total value
- $6.24B
- +$298.8M (+5.0%) vs. Q3 2025
- New holders
- 46
- 108 more added
- Sold out
- 42
- 122 more reduced
7 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HealthInvest Partners AB | 37,579 | $6.67M | 2.13% | +7,588+25.3% | Added |
| Alliancebernstein L.P. | 37,489 | $6.65M | 0.00% | 00.0% | Unchanged |
| EAM Investors, LLC | 37,092 | $6.58M | 0.73% | −749−2.0% | Reduced |
| KCM Capital Inc | 37,000 | $6.57M | 1.32% | +37,000 | New |
| Algert Global LLC | 36,209 | $6.42M | 0.10% | −43,521−54.6% | Reduced |
| Hillsdale Investment Management Inc. | 34,050 | $6.04M | 0.17% | −4,200−11.0% | Reduced |
| Ensign Peak Advisors, Inc | 33,939 | $6.02M | 0.01% | +8,046+31.1% | Added |
| Amundi | 33,410 | $5.93M | 0.00% | −22,268−40.0% | Reduced |
| Neuberger Berman Group LLC | 31,195 | $5.54M | 0.00% | +29,732+2,032.3% | Added |
| California State Teachers Retirement System | 30,561 | $5.42M | 0.01% | +440+1.5% | Added |
| Canada Pension Plan Investment Board | 30,100 | $5.34M | 0.00% | +26,000+634.1% | Added |
| Russell Investments Group, Ltd. | 30,019 | $5.33M | 0.01% | −16,875−36.0% | Reduced |
| RE Advisers Corp | 27,400 | $4.86M | 0.13% | −2,700−9.0% | Reduced |
| Banque Pictet & Cie SA | 27,111 | $4.81M | 0.05% | −1,459−5.1% | Reduced |
| EFG International AG | 26,643 | $4.73M | 0.09% | +26,643 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 25,803 | $4.58M | 0.01% | −3,338−11.5% | Reduced |
| Envestnet Asset Management Inc | 23,204 | $4.12M | 0.00% | −8,040−25.7% | Reduced |
| Mutual of America Capital Management LLC | 21,151 | $3.75M | 0.04% | −138−0.6% | Reduced |
| Kampmann Melissa S. | 22,620 | $3.70M | 2.74% | −1,265−5.3% | Reduced |
| Jump Financial, LLC | 20,530 | $3.64M | 0.05% | +830+4.2% | Added |
| Verition Fund Management LLC | 19,600 | $3.48M | 0.02% | −3,877−16.5% | Reduced |
| Cookson Peirce & Co Inc | 19,549 | $3.47M | 0.14% | +5,025+34.6% | Added |
| MetLife Investment Management | 17,863 | $3.17M | 0.02% | −815−4.4% | Reduced |
| HSBC Holdings PLC | 17,024 | $3.05M | 0.00% | −11,227−39.7% | Reduced |
| Lisanti Capital Growth, LLC | 16,995 | $3.02M | 0.71% | +165+1.0% | Added |
| Occudo Quantitative Strategies LP | 16,484 | $2.92M | 0.20% | +8,395+103.8% | Added |
| Intech Investment Management LLC | 15,252 | $2.71M | 0.02% | 00.0% | Unchanged |
| Comerica Bank | 15,021 | $2.67M | 0.01% | −13,381−47.1% | Reduced |
| Future Fund LLC | 14,777 | $2.62M | 0.92% | +4,378+42.1% | Added |
| One Capital Management, LLC | 14,777 | $2.62M | 0.08% | +4,378+42.1% | Added |
| Hussman Strategic Advisors, Inc. | 14,700 | $2.61M | 0.63% | +14,700 | New |
| Granahan Investment Management Inc | 14,377 | $2.55M | 0.11% | −563−3.8% | Reduced |
| Creative Planning | 14,150 | $2.51M | 0.00% | −200−1.4% | Reduced |
| Janus Henderson Group PLC | 13,856 | $2.46M | 0.00% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 12,712 | $2.26M | 0.01% | −49−0.4% | Reduced |
| Williamson Legacy Group, LLC | 12,348 | $2.19M | 1.71% | +4,697+61.4% | Added |
| Deerfield Management Company, L.P. (Series C) | 12,099 | $2.15M | 0.03% | −5,163−29.9% | Reduced |
| Royal Bank of Canada | 11,985 | $2.13M | 0.00% | −125,901−91.3% | Reduced |
| Bridgewater Associates, LP | 11,348 | $2.01M | 0.01% | +11,348 | New |
| Schonfeld Strategic Advisors LLC | 11,258 | $2.00M | 0.01% | +471+4.4% | Added |
| SG Americas Securities, LLC | 11,205 | $1.99M | 0.00% | −2,440−17.9% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 11,119 | $1.97M | 0.02% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 10,439 | $1.85M | 0.01% | +1,300+14.2% | Added |
| Abn Amro Investment Solutions | 10,201 | $1.81M | 0.03% | +3,047+42.6% | Added |
| WoodTrust Financial Corp | 10,070 | $1.79M | 0.21% | +70+0.7% | Added |
| Ascent Group, LLC | 9,587 | $1.70M | 0.06% | +70+0.7% | Added |
| Voya Investment Management LLC | 9,472 | $1.68M | 0.00% | −11,092−53.9% | Reduced |
| Arizona State Retirement System | 9,077 | $1.61M | 0.01% | −336−3.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,049 | $1.61M | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 8,649 | $1.53M | 0.01% | −291−3.3% | Reduced |
| Harbor Capital Advisors, Inc. | 8,606 | $1.53M | 0.12% | −389−4.3% | Reduced |
| State Board of Administration of Florida Retirement System | 8,578 | $1.52M | 0.00% | −449−5.0% | Reduced |
| Dark Forest Capital Management LP | 8,548 | $1.52M | 0.07% | +5,715+201.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 8,120 | $1.44M | 0.05% | +1,078+15.3% | Added |
| KBC Group NV | 7,463 | $1.32M | 0.00% | 00.0% | Unchanged |
| Pinnacle Financial Partners, Inc. | 7,145 | $1.27M | 0.01% | +7,145 | New |
| Rhenman & Partners Asset Management AB | 7,000 | $1.24M | 0.12% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 6,900 | $1.22M | 0.00% | +300+4.5% | Added |
| Laird Norton Trust Company, LLC | 6,824 | $1.21M | 0.03% | +6,824 | New |
| Entropy Technologies, LP | 6,689 | $1.19M | 0.06% | +3,700+123.8% | Added |
| Headlands Technologies LLC | 6,685 | $1.19M | 0.10% | +6,685 | New |
| Quantbot Technologies LP | 6,646 | $1.18M | 0.04% | −1,739−20.7% | Reduced |
| Baird Financial Group, Inc. | 6,503 | $1.15M | 0.00% | −6,787−51.1% | Reduced |
| ProShare Advisors LLC | 5,944 | $1.05M | 0.00% | +490+9.0% | Added |
| Captrust Financial Advisors | 5,803 | $1.03M | 0.00% | −40−0.7% | Reduced |
| Values First Advisors, Inc. | 5,765 | $1.02M | 0.53% | −464−7.4% | Reduced |
| Cim Investment Mangement Inc | 5,502 | $976.3K | 0.26% | 00.0% | Unchanged |
| STRS Ohio | 5,400 | $958.2K | 0.00% | 00.0% | Unchanged |
| Virtue Capital Management, LLC | 5,349 | $937.3K | 0.14% | −584−9.8% | Reduced |
| Steel Peak Wealth Management LLC | 5,224 | $926.9K | 0.03% | +811+18.4% | Added |
| Brevan Howard Capital Management LP | 4,975 | $882.8K | 0.02% | +3,387+213.3% | Added |
| Cinctive Capital Management LP | 4,974 | $882.6K | 0.05% | −23,070−82.3% | Reduced |
| Pictet Asset Management Holding SA | 4,912 | $871.6K | 0.00% | +282+6.1% | Added |
| Exchange Traded Concepts, LLC | 4,856 | $861.6K | 0.01% | +638+15.1% | Added |
| Virginia Retirement Systems Et Al | 4,850 | $860.6K | 0.01% | +150+3.2% | Added |
| XTX Topco Ltd | 4,816 | $854.6K | 0.02% | +4,816 | New |
| Susquehanna International Group, LLP | 4,759 | $844.4K | 0.00% | +4,759 | New |
| CIBC Private Wealth Group, LLC | 4,693 | $832.7K | 0.00% | +748+19.0% | Added |
| Legato Capital Management LLC | 4,665 | $827.8K | 0.07% | +1,530+48.8% | Added |
| Yarbrough Capital, LLC | 4,650 | $825.1K | 0.03% | 00.0% | Unchanged |
| Fox Run Management, L.L.C. | 4,433 | $786.6K | 0.12% | −923−17.2% | Reduced |
| Acadian Asset Management LLC | 4,034 | $714.0K | 0.00% | +4,034 | New |
| Great West Life Assurance Co | 3,712 | $658.0K | 0.00% | +584+18.7% | Added |
| Truist Financial Corp | 3,597 | $638.3K | 0.00% | −144−3.8% | Reduced |
| Marshall Wace, LLP | 3,564 | $632.4K | 0.00% | +2,301+182.2% | Added |
| Harbour Capital Advisors, LLC | 3,540 | $620.3K | 0.13% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 3,495 | $620.2K | 0.01% | −4,881−58.3% | Reduced |
| Inceptionr LLC | 3,427 | $608.1K | 0.17% | +1,416+70.4% | Added |
| Public Employees Retirement Association of Colorado | 3,405 | $604.0K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 3,306 | $586.6K | 0.00% | +366+12.4% | Added |
| LPL Financial LLC | 3,275 | $581.1K | 0.00% | +253+8.4% | Added |
| Ancora Advisors, LLC | 3,230 | $573.1K | 0.01% | 00.0% | Unchanged |
| IMA Wealth, Inc. | 3,230 | $573.1K | 0.06% | 00.0% | Unchanged |
| Versor Investments LP | 3,190 | $566.0K | 0.09% | −951−23.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 3,129 | $555.2K | 0.00% | −459−12.8% | Reduced |
| Mariner, LLC | 2,975 | $527.6K | 0.00% | −666−18.3% | Reduced |
| Los Angeles Capital Management LLC | 2,842 | $523.3K | 0.00% | −41−1.4% | Reduced |
| Bayforest Capital Ltd | 2,895 | $513.7K | 0.38% | −2,913−50.2% | Reduced |
| Graham Capital Management, L.P. | 2,832 | $502.5K | 0.02% | +874+44.6% | Added |
| Morris Retirement Advisors, LLC | 2,769 | $491.4K | 0.21% | +50+1.8% | Added |