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 |
|---|---|---|---|---|---|
| State of New Jersey Common Pension Fund D | 12,712 | $2.26M | 0.01% | −49−0.4% | Reduced |
| Janus Henderson Group PLC | 13,856 | $2.46M | 0.00% | 00.0% | Unchanged |
| Creative Planning | 14,150 | $2.51M | 0.00% | −200−1.4% | Reduced |
| Granahan Investment Management Inc | 14,377 | $2.55M | 0.11% | −563−3.8% | Reduced |
| Hussman Strategic Advisors, Inc. | 14,700 | $2.61M | 0.63% | +14,700 | New |
| One Capital Management, LLC | 14,777 | $2.62M | 0.08% | +4,378+42.1% | Added |
| Future Fund LLC | 14,777 | $2.62M | 0.92% | +4,378+42.1% | Added |
| Comerica Bank | 15,021 | $2.67M | 0.01% | −13,381−47.1% | Reduced |
| Intech Investment Management LLC | 15,252 | $2.71M | 0.02% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 16,484 | $2.92M | 0.20% | +8,395+103.8% | Added |
| Lisanti Capital Growth, LLC | 16,995 | $3.02M | 0.71% | +165+1.0% | Added |
| HSBC Holdings PLC | 17,024 | $3.05M | 0.00% | −11,227−39.7% | Reduced |
| MetLife Investment Management | 17,863 | $3.17M | 0.02% | −815−4.4% | Reduced |
| Cookson Peirce & Co Inc | 19,549 | $3.47M | 0.14% | +5,025+34.6% | Added |
| Verition Fund Management LLC | 19,600 | $3.48M | 0.02% | −3,877−16.5% | Reduced |
| Jump Financial, LLC | 20,530 | $3.64M | 0.05% | +830+4.2% | Added |
| Kampmann Melissa S. | 22,620 | $3.70M | 2.74% | −1,265−5.3% | Reduced |
| Mutual of America Capital Management LLC | 21,151 | $3.75M | 0.04% | −138−0.6% | Reduced |
| Envestnet Asset Management Inc | 23,204 | $4.12M | 0.00% | −8,040−25.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 25,803 | $4.58M | 0.01% | −3,338−11.5% | Reduced |
| EFG International AG | 26,643 | $4.73M | 0.09% | +26,643 | New |
| Banque Pictet & Cie SA | 27,111 | $4.81M | 0.05% | −1,459−5.1% | Reduced |
| RE Advisers Corp | 27,400 | $4.86M | 0.13% | −2,700−9.0% | Reduced |
| Russell Investments Group, Ltd. | 30,019 | $5.33M | 0.01% | −16,875−36.0% | Reduced |
| Canada Pension Plan Investment Board | 30,100 | $5.34M | 0.00% | +26,000+634.1% | Added |
| California State Teachers Retirement System | 30,561 | $5.42M | 0.01% | +440+1.5% | Added |
| Neuberger Berman Group LLC | 31,195 | $5.54M | 0.00% | +29,732+2,032.3% | Added |
| Amundi | 33,410 | $5.93M | 0.00% | −22,268−40.0% | Reduced |
| Ensign Peak Advisors, Inc | 33,939 | $6.02M | 0.01% | +8,046+31.1% | Added |
| Hillsdale Investment Management Inc. | 34,050 | $6.04M | 0.17% | −4,200−11.0% | Reduced |
| Algert Global LLC | 36,209 | $6.42M | 0.10% | −43,521−54.6% | Reduced |
| KCM Capital Inc | 37,000 | $6.57M | 1.32% | +37,000 | New |
| EAM Investors, LLC | 37,092 | $6.58M | 0.73% | −749−2.0% | Reduced |
| Alliancebernstein L.P. | 37,489 | $6.65M | 0.00% | 00.0% | Unchanged |
| HealthInvest Partners AB | 37,579 | $6.67M | 2.13% | +7,588+25.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 38,534 | $6.84M | 0.01% | +6,678+21.0% | Added |
| Nomura Asset Management International Inc. | 39,747 | $7.05M | 0.01% | +39,747 | New |
| AQR Capital Management LLC | 40,165 | $7.13M | 0.00% | +8,744+27.8% | Added |
| Prudential Financial Inc | 40,424 | $7.17M | 0.01% | −46,104−53.3% | Reduced |
| Rhumbline Advisers | 40,610 | $7.21M | 0.01% | −6,969−14.6% | Reduced |
| Steadfast Capital Management LP | 41,000 | $7.28M | 0.13% | +1,300+3.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 42,118 | $7.47M | 0.02% | −9,198−17.9% | Reduced |
| Victory Capital Management Inc | 43,215 | $7.67M | 0.00% | −34,737−44.6% | Reduced |
| Wells Fargo & Company | 45,286 | $8.04M | 0.00% | +16,169+55.5% | Added |
| Silvercrest Asset Management Group LLC | 47,898 | $8.50M | 0.06% | +61+0.1% | Added |
| Castleark Management LLC | 50,193 | $8.91M | 0.26% | −8,200−14.0% | Reduced |
| State of Wisconsin Investment Board | 51,153 | $9.08M | 0.02% | −9,071−15.1% | Reduced |
| Legal & General Group Plc | 52,070 | $9.24M | 0.00% | +10,065+24.0% | Added |
| Jain Global LLC | 54,844 | $9.73M | 0.10% | −76,248−58.2% | Reduced |
| Man Group plc | 56,202 | $9.97M | 0.02% | −150,220−72.8% | Reduced |
| Norges Bank | 56,237 | $9.98M | 0.00% | +56,237 | New |
| Peregrine Capital Management LLC | 56,868 | $10.1M | 0.31% | −1,234−2.1% | Reduced |
| TimesSquare Capital Management, LLC | 59,822 | $10.6M | 0.16% | −7,495−11.1% | Reduced |
| First Trust Advisors LP | 60,802 | $10.8M | 0.01% | +2,063+3.5% | Added |
| Freestone Grove Partners LP | 63,140 | $11.2M | 0.08% | +63,140 | New |
| Swiss National Bank | 63,400 | $11.2M | 0.01% | +1,500+2.4% | Added |
| Principal Financial Group Inc | 69,421 | $12.3M | 0.01% | −10,715−13.4% | Reduced |
| Frontier Capital Management Co LLC | 71,048 | $12.6M | 0.13% | −18,182−20.4% | Reduced |
| BNP Paribas Arbitrage, SA | 73,651 | $13.1M | 0.01% | −59,248−44.6% | Reduced |
| WCM Investment Management, LLC | 73,292 | $13.1M | 0.03% | −3,969−5.1% | Reduced |
| Engineers Gate Manager LP | 77,119 | $13.7M | 0.16% | −8,092−9.5% | Reduced |
| Trexquant Investment LP | 78,653 | $14.0M | 0.12% | +53,890+217.6% | Added |
| C WorldWide Group Holding A/S | 80,000 | $14.2M | 0.25% | 00.0% | Unchanged |
| M&G Plc | 84,138 | $14.9M | 0.08% | +7,270+9.5% | Added |
| Squarepoint Ops LLC | 93,708 | $16.6M | 0.03% | −87,327−48.2% | Reduced |
| Renaissance Technologies LLC | 103,900 | $18.4M | 0.03% | −17,500−14.4% | Reduced |
| Federated Hermes, Inc. | 106,407 | $18.9M | 0.03% | +36,006+51.1% | Added |
| Perceptive Advisors LLC | 108,000 | $19.2M | 0.35% | −15,000−12.2% | Reduced |
| Segall Bryant & Hamill, LLC | 111,697 | $19.8M | 0.27% | −13,601−10.9% | Reduced |
| Bank of New York Mellon Corp | 112,119 | $19.9M | 0.00% | +12,957+13.1% | Added |
| Franklin Resources Inc | 118,578 | $21.0M | 0.01% | +106,347+869.5% | Added |
| Oberweis Asset Management Inc | 119,700 | $21.2M | 0.78% | +38,500+47.4% | Added |
| Ameriprise Financial Inc | 123,621 | $21.9M | 0.00% | −13,688−10.0% | Reduced |
| Adage Capital Partners GP, L.L.C. | 125,000 | $22.2M | 0.03% | +75,000+150.0% | Added |
| Walleye Capital LLC | 127,596 | $22.6M | 0.13% | +31,684+33.0% | Added |
| Ophir Asset Management Pty Ltd | 127,697 | $22.7M | 2.54% | +26,136+25.7% | Added |
| New York State Common Retirement Fund | 129,732 | $23.0M | 0.03% | −37,715−22.5% | Reduced |
| Integral Health Asset Management, LLC | 130,000 | $23.1M | 1.17% | +65,000+100.0% | Added |
| Nuveen, LLC | 133,675 | $23.7M | 0.01% | −82,973−38.3% | Reduced |
| Jennison Associates LLC | 139,059 | $24.7M | 0.01% | −18,217−11.6% | Reduced |
| Qube Research & Technologies Ltd | 144,614 | $25.7M | 0.04% | −22,248−13.3% | Reduced |
| Massachusetts Financial Services Co | 150,284 | $26.7M | 0.01% | −10,266−6.4% | Reduced |
| UBS Group AG | 153,218 | $27.2M | 0.01% | +100,435+190.3% | Added |
| First Light Asset Management, LLC | 153,871 | $27.3M | 2.09% | −1,228−0.8% | Reduced |
| Raymond James Financial Inc | 153,806 | $27.4M | 0.01% | −15,331−9.1% | Reduced |
| Schroder Investment Management Group | 162,053 | $28.9M | 0.02% | −2,013−1.2% | Reduced |
| Balyasny Asset Management LLC | 167,274 | $29.7M | 0.06% | +167,274 | New |
| Morgan Stanley | 169,991 | $30.2M | 0.00% | +15,120+9.8% | Added |
| Next Century Growth Investors LLC | 172,838 | $30.7M | 2.13% | −16,244−8.6% | Reduced |
| Deutsche Bank AG | 187,661 | $33.3M | 0.01% | −11,882−6.0% | Reduced |
| Citigroup Inc | 190,335 | $33.8M | 0.02% | +33,915+21.7% | Added |
| Jane Street Group, LLC | 192,391 | $34.1M | 0.04% | +99,953+108.1% | Added |
| Barclays PLC | 193,975 | $34.4M | 0.01% | +7,222+3.9% | Added |
| Manufacturers Life Insurance Company, The | 196,075 | $34.8M | 0.03% | +727+0.4% | Added |
| SEI Investments Co | 203,355 | $36.1M | 0.04% | −43,611−17.7% | Reduced |
| Braidwell LP | 217,345 | $38.6M | 1.23% | −8,500−3.8% | Reduced |
| Point72 Asset Management, L.P. | 219,468 | $38.9M | 0.06% | −128,644−37.0% | Reduced |
| Assenagon Asset Management S.A. | 225,205 | $40.0M | 0.06% | +147,329+189.2% | Added |
| Rock Springs Capital Management LP | 235,000 | $41.7M | 2.14% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 267,968 | $47.5M | 0.32% | +49,545+22.7% | Added |