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, Q1 2023
Institutional positions in iRhythm Holdings, Inc. as of Mar 31, 2023. 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
- 209
- +2 vs. Q4 2022
- Shares held
- 33.6M
- +2.46M (+7.9%) vs. Q4 2022
- Total value
- $4.18B
- +$1.26B (+43.3%) vs. Q4 2022
- New holders
- 34
- 80 more added
- Sold out
- 32
- 63 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Schonfeld Strategic Advisors LLC | 8,126 | $1.01M | 0.01% | +8,126 | New |
| Arizona State Retirement System | 8,724 | $1.08M | 0.01% | +252+3.0% | Added |
| State Board of Administration of Florida Retirement System | 9,157 | $1.14M | 0.00% | −180−1.9% | Reduced |
| Ensign Peak Advisors, Inc | 9,530 | $1.18M | 0.00% | +150+1.6% | Added |
| Renaissance Technologies LLC | 9,600 | $1.19M | 0.00% | −92,200−90.6% | Reduced |
| SYSTM Wealth Solutions LLC | 9,965 | $1.24M | 0.19% | +3,699+59.0% | Added |
| Premier Fund Managers Ltd | 10,415 | $1.27M | 0.05% | +10,415 | New |
| Trexquant Investment LP | 10,235 | $1.27M | 0.03% | −2,875−21.9% | Reduced |
| WoodTrust Financial Corp | 11,382 | $1.41M | 0.27% | +1,250+12.3% | Added |
| Voya Investment Management LLC | 11,475 | $1.42M | 0.00% | 00.0% | Unchanged |
| Maverick Capital LtdSuperinvestorMaverick Capital | 12,014 | $1.49M | 0.04% | +12,014 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 12,089 | $1.50M | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 12,651 | $1.57M | 0.00% | +7,377+139.9% | Added |
| Stifel Financial Corp | 13,382 | $1.66M | 0.00% | −242−1.8% | Reduced |
| Susquehanna International Group, LLP | 13,434 | $1.67M | 0.00% | +11,014+455.1% | Added |
| Macquarie Group Ltd | 13,517 | $1.68M | 0.00% | −3,330−19.8% | Reduced |
| TD Asset Management Inc | 14,325 | $1.78M | 0.00% | −1,600−10.0% | Reduced |
| American International Group, Inc. | 14,559 | $1.81M | 0.01% | +289+2.0% | Added |
| Winton Group Ltd | 14,858 | $1.84M | 0.11% | +9,258+165.3% | Added |
| Barclays PLC | 15,269 | $1.89M | 0.00% | +7,168+88.5% | Added |
| UBS Oconnor LLC | 15,715 | $1.95M | 0.05% | +15,715 | New |
| MetLife Investment Management | 15,758 | $1.95M | 0.01% | −334−2.1% | Reduced |
| Truist Financial Corp | 16,567 | $2.05M | 0.00% | −3,500−17.4% | Reduced |
| ExodusPoint Capital Management, LP | 17,654 | $2.19M | 0.03% | +17,654 | New |
| Baird Financial Group, Inc. | 18,078 | $2.24M | 0.01% | +429+2.4% | Added |
| Algert Global LLC | 18,144 | $2.25M | 0.11% | −419−2.3% | Reduced |
| Millennium Management LLC | 18,574 | $2.30M | 0.00% | +5,057+37.4% | Added |
| EULAV Asset Management | 20,300 | $2.52M | 0.10% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 21,268 | $2.64M | 0.03% | +108+0.5% | Added |
| Orion Portfolio Solutions, LLC | 21,268 | $2.64M | 0.03% | +21,268 | New |
| State of New Jersey Common Pension Fund D | 22,077 | $2.74M | 0.01% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 22,145 | $2.75M | 0.05% | +2,245+11.3% | Added |
| Envestnet Asset Management Inc | 23,114 | $2.87M | 0.00% | +870+3.9% | Added |
| ClariVest Asset Management LLC | 23,239 | $2.88M | 0.13% | +15+0.1% | Added |
| Bradley Mark J. | 25,290 | $3.14M | 2.28% | +3,665+16.9% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 26,112 | $3.24M | 0.28% | −66,692−71.9% | Reduced |
| Mutual of America Capital Management LLC | 28,067 | $3.48M | 0.04% | −1,294−4.4% | Reduced |
| Neuberger Berman Group LLC | 28,986 | $3.60M | 0.00% | +2,267+8.5% | Added |
| Integral Health Asset Management, LLC | 30,000 | $3.72M | 0.77% | +10,000+50.0% | Added |
| Canada Pension Plan Investment Board | 30,000 | $3.72M | 0.01% | +27,400+1,053.8% | Added |
| Squarepoint Ops LLC | 32,342 | $4.01M | 0.03% | +29,882+1,214.7% | Added |
| Royal Bank of Canada | 33,374 | $4.14M | 0.00% | −1,747−5.0% | Reduced |
| UBS Asset Management Americas Inc | 33,670 | $4.18M | 0.00% | −965−2.8% | Reduced |
| Deutsche Bank AG | 34,199 | $4.24M | 0.00% | +6,008+21.3% | Added |
| AXA S.A. | 35,000 | $4.34M | 0.01% | +2,235+6.8% | Added |
| Bridgewater Associates, LP | 35,793 | $4.44M | 0.03% | +1,328+3.9% | Added |
| California State Teachers Retirement System | 37,676 | $4.67M | 0.01% | −493−1.3% | Reduced |
| Rhumbline Advisers | 41,043 | $5.09M | 0.01% | +666+1.6% | Added |
| D. E. Shaw & Co., Inc. | 42,562 | $5.28M | 0.01% | −12,969−23.4% | Reduced |
| Jane Street Group, LLC | 46,716 | $5.79M | 0.01% | −25,332−35.2% | Reduced |
| CWM, LLC | 48,485 | $6.01M | 0.04% | +10,127+26.4% | Added |
| State of Wisconsin Investment Board | 48,554 | $6.02M | 0.02% | −5,889−10.8% | Reduced |
| California Public Employees Retirement System | 49,093 | $6.09M | 0.01% | 00.0% | Unchanged |
| Banque Pictet & Cie SA | 49,871 | $6.19M | 0.06% | −3,656−6.8% | Reduced |
| Manufacturers Life Insurance Company, The | 55,522 | $6.89M | 0.00% | +28,447+105.1% | Added |
| Sectoral Asset Management Inc | 59,136 | $7.33M | 1.41% | −37,000−38.5% | Reduced |
| Swiss National Bank | 65,000 | $8.06M | 0.01% | −7,500−10.3% | Reduced |
| Cinctive Capital Management LP | 67,614 | $8.39M | 0.31% | +67,614 | New |
| Peregrine Capital Management LLC | 73,044 | $9.06M | 0.26% | −14,233−16.3% | Reduced |
| Ameriprise Financial Inc | 74,476 | $9.24M | 0.00% | +4,810+6.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 79,455 | $9.85M | 0.02% | +18,445+30.2% | Added |
| C WorldWide Group Holding A/S | 80,000 | $9.92M | 0.14% | 00.0% | Unchanged |
| Wells Fargo & Company | 82,900 | $10.3M | 0.00% | +2,528+3.1% | Added |
| Eagle Asset Management Inc | 84,398 | $10.5M | 0.06% | −23,628−21.9% | Reduced |
| Alberta Investment Management Corp | 94,714 | $11.7M | 0.11% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 103,359 | $12.8M | 0.00% | −18,006−14.8% | Reduced |
| Man Group plc | – | $13.5M | 0.05% | – | New |
| Victory Capital Management Inc | 152,792 | $19.0M | 0.02% | +145,373+1,959.5% | Added |
| Legal & General Group Plc | 162,398 | $20.1M | 0.01% | +3,117+2.0% | Added |
| Exchange Traded Concepts, LLC | 182,136 | $22.6M | 0.62% | +4,444+2.5% | Added |
| Lord, Abbett & Co. LLC | 186,899 | $23.2M | 0.08% | +55,233+41.9% | Added |
| Morgan Stanley | 210,930 | $26.2M | 0.00% | +59,484+39.3% | Added |
| SEI Investments Co | 226,174 | $28.1M | 0.05% | +117,070+107.3% | Added |
| Charles Schwab Investment Management Inc | 235,786 | $29.2M | 0.01% | +195+0.1% | Added |
| Eventide Asset Management, LLC | 239,135 | $29.7M | 0.54% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 278,829 | $34.6M | 0.05% | −5,448−1.9% | Reduced |
| Northern Trust Corp | 284,690 | $35.3M | 0.01% | +4,511+1.6% | Added |
| Stephens Investment Management Group LLC | 297,835 | $36.9M | 0.62% | +9,443+3.3% | Added |
| Rock Springs Capital Management LP | 309,450 | $38.4M | 0.92% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 333,509 | $41.4M | 0.01% | +39,961+13.6% | Added |
| Bank of New York Mellon Corp | 348,549 | $43.2M | 0.01% | +183,979+111.8% | Added |
| Balyasny Asset Management LLC | 376,827 | $46.7M | 0.15% | +48,456+14.8% | Added |
| Bessemer Group Inc | 389,810 | $48.3M | 0.11% | +8,442+2.2% | Added |
| Braidwell LP | 454,169 | $56.3M | 1.86% | −43,498−8.7% | Reduced |
| Price T Rowe Associates Inc | 471,245 | $58.5M | 0.01% | −33,450−6.6% | Reduced |
| Janus Henderson Group PLC | 478,419 | $59.3M | 0.04% | +8,603+1.8% | Added |
| Holocene Advisors, LP | 482,427 | $59.8M | 0.30% | −278,015−36.6% | Reduced |
| Slate Path Capital LP | 485,000 | $60.2M | 2.82% | +135,000+38.6% | Added |
| PFM Health Sciences, LP | 485,468 | $60.2M | 2.77% | −8,253−1.7% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 492,405 | $61.1M | 0.21% | +280.0% | Added |
| Credit Suisse AG | 494,982 | $61.4M | 0.06% | −131,125−20.9% | Reduced |
| Bank of America Corp | 548,028 | $68.0M | 0.01% | +395,570+259.5% | Added |
| Norges Bank | 579,553 | $71.9M | 0.02% | −1,926−0.3% | Reduced |
| Geode Capital Management, LLC | 585,783 | $72.7M | 0.01% | +25,005+4.5% | Added |
| Allspring Global Investments Holdings, LLC | 604,403 | $75.0M | 0.12% | +42,107+7.5% | Added |
| Fiera Capital Corp | 680,247 | $84.4M | 0.25% | +743+0.1% | Added |
| State Street Corp | 776,684 | $96.3M | 0.01% | +17,470+2.3% | Added |
| Invesco Ltd. | 848,323 | $105.2M | 0.03% | −2,468−0.3% | Reduced |
| LTS One Management LP | 985,000 | $122.2M | 20.30% | −295,000−23.0% | Reduced |
| Blair William & Co | 1,008,689 | $125.1M | 0.50% | +95,737+10.5% | Added |