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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 2,913,802 | $361.4M | 0.01% | +36,953+1.3% | Added |
| Sands Capital Management, LLC | 2,418,399 | $300.0M | 0.99% | −249,029−9.3% | Reduced |
| BlackRock Inc. | 2,268,707 | $281.4M | 0.01% | −19,863−0.9% | Reduced |
| FMR LLC | 2,252,698 | $279.4M | 0.03% | +2,247,164+40,606.5% | Added |
| Capital Research Global Investors | 1,748,851 | $216.9M | 0.06% | +396,525+29.3% | Added |
| Artisan Partners Limited Partnership | 1,373,319 | $170.3M | 0.28% | −22,427−1.6% | Reduced |
| Mackenzie Financial Corp | 1,237,428 | $153.5M | 0.24% | −9,096−0.7% | Reduced |
| JPMorgan Chase & Co | 1,173,027 | $145.5M | 0.02% | +40,312+3.6% | Added |
| Alliancebernstein L.P. | 1,128,389 | $140.0M | 0.06% | −95,840−7.8% | Reduced |
| Blair William & Co | 1,008,689 | $125.1M | 0.50% | +95,737+10.5% | Added |
| LTS One Management LP | 985,000 | $122.2M | 20.30% | −295,000−23.0% | Reduced |
| Invesco Ltd. | 848,323 | $105.2M | 0.03% | −2,468−0.3% | Reduced |
| State Street Corp | 776,684 | $96.3M | 0.01% | +17,470+2.3% | Added |
| Fiera Capital Corp | 680,247 | $84.4M | 0.25% | +743+0.1% | Added |
| Allspring Global Investments Holdings, LLC | 604,403 | $75.0M | 0.12% | +42,107+7.5% | Added |
| Geode Capital Management, LLC | 585,783 | $72.7M | 0.01% | +25,005+4.5% | Added |
| Norges Bank | 579,553 | $71.9M | 0.02% | −1,926−0.3% | Reduced |
| Bank of America Corp | 548,028 | $68.0M | 0.01% | +395,570+259.5% | Added |
| Credit Suisse AG | 494,982 | $61.4M | 0.06% | −131,125−20.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 492,405 | $61.1M | 0.21% | +280.0% | Added |
| PFM Health Sciences, LP | 485,468 | $60.2M | 2.77% | −8,253−1.7% | Reduced |
| Slate Path Capital LP | 485,000 | $60.2M | 2.82% | +135,000+38.6% | Added |
| Holocene Advisors, LP | 482,427 | $59.8M | 0.30% | −278,015−36.6% | Reduced |
| Janus Henderson Group PLC | 478,419 | $59.3M | 0.04% | +8,603+1.8% | Added |
| Price T Rowe Associates Inc | 471,245 | $58.5M | 0.01% | −33,450−6.6% | Reduced |
| Braidwell LP | 454,169 | $56.3M | 1.86% | −43,498−8.7% | Reduced |
| Bessemer Group Inc | 389,810 | $48.3M | 0.11% | +8,442+2.2% | Added |
| Balyasny Asset Management LLC | 376,827 | $46.7M | 0.15% | +48,456+14.8% | Added |
| Bank of New York Mellon Corp | 348,549 | $43.2M | 0.01% | +183,979+111.8% | Added |
| Goldman Sachs Group Inc | 333,509 | $41.4M | 0.01% | +39,961+13.6% | Added |
| Rock Springs Capital Management LP | 309,450 | $38.4M | 0.92% | 00.0% | Unchanged |
| Stephens Investment Management Group LLC | 297,835 | $36.9M | 0.62% | +9,443+3.3% | Added |
| Northern Trust Corp | 284,690 | $35.3M | 0.01% | +4,511+1.6% | Added |
| New York State Common Retirement Fund | 278,829 | $34.6M | 0.05% | −5,448−1.9% | Reduced |
| Eventide Asset Management, LLC | 239,135 | $29.7M | 0.54% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 235,786 | $29.2M | 0.01% | +195+0.1% | Added |
| SEI Investments Co | 226,174 | $28.1M | 0.05% | +117,070+107.3% | Added |
| Morgan Stanley | 210,930 | $26.2M | 0.00% | +59,484+39.3% | Added |
| Lord, Abbett & Co. LLC | 186,899 | $23.2M | 0.08% | +55,233+41.9% | Added |
| Exchange Traded Concepts, LLC | 182,136 | $22.6M | 0.62% | +4,444+2.5% | Added |
| Legal & General Group Plc | 162,398 | $20.1M | 0.01% | +3,117+2.0% | Added |
| Victory Capital Management Inc | 152,792 | $19.0M | 0.02% | +145,373+1,959.5% | Added |
| Man Group plc | – | $13.5M | 0.05% | – | New |
| Nuveen Asset Management, LLC | 103,359 | $12.8M | 0.00% | −18,006−14.8% | Reduced |
| Alberta Investment Management Corp | 94,714 | $11.7M | 0.11% | 00.0% | Unchanged |
| Eagle Asset Management Inc | 84,398 | $10.5M | 0.06% | −23,628−21.9% | Reduced |
| Wells Fargo & Company | 82,900 | $10.3M | 0.00% | +2,528+3.1% | Added |
| C WorldWide Group Holding A/S | 80,000 | $9.92M | 0.14% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 79,455 | $9.85M | 0.02% | +18,445+30.2% | Added |
| Ameriprise Financial Inc | 74,476 | $9.24M | 0.00% | +4,810+6.9% | Added |
| Peregrine Capital Management LLC | 73,044 | $9.06M | 0.26% | −14,233−16.3% | Reduced |
| Cinctive Capital Management LP | 67,614 | $8.39M | 0.31% | +67,614 | New |
| Swiss National Bank | 65,000 | $8.06M | 0.01% | −7,500−10.3% | Reduced |
| Sectoral Asset Management Inc | 59,136 | $7.33M | 1.41% | −37,000−38.5% | Reduced |
| Manufacturers Life Insurance Company, The | 55,522 | $6.89M | 0.00% | +28,447+105.1% | Added |
| Banque Pictet & Cie SA | 49,871 | $6.19M | 0.06% | −3,656−6.8% | Reduced |
| California Public Employees Retirement System | 49,093 | $6.09M | 0.01% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 48,554 | $6.02M | 0.02% | −5,889−10.8% | Reduced |
| CWM, LLC | 48,485 | $6.01M | 0.04% | +10,127+26.4% | Added |
| Jane Street Group, LLC | 46,716 | $5.79M | 0.01% | −25,332−35.2% | Reduced |
| D. E. Shaw & Co., Inc. | 42,562 | $5.28M | 0.01% | −12,969−23.4% | Reduced |
| Rhumbline Advisers | 41,043 | $5.09M | 0.01% | +666+1.6% | Added |
| California State Teachers Retirement System | 37,676 | $4.67M | 0.01% | −493−1.3% | Reduced |
| Bridgewater Associates, LP | 35,793 | $4.44M | 0.03% | +1,328+3.9% | Added |
| AXA S.A. | 35,000 | $4.34M | 0.01% | +2,235+6.8% | Added |
| Deutsche Bank AG | 34,199 | $4.24M | 0.00% | +6,008+21.3% | Added |
| UBS Asset Management Americas Inc | 33,670 | $4.18M | 0.00% | −965−2.8% | Reduced |
| Royal Bank of Canada | 33,374 | $4.14M | 0.00% | −1,747−5.0% | Reduced |
| Squarepoint Ops LLC | 32,342 | $4.01M | 0.03% | +29,882+1,214.7% | 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 |
| Neuberger Berman Group LLC | 28,986 | $3.60M | 0.00% | +2,267+8.5% | Added |
| Mutual of America Capital Management LLC | 28,067 | $3.48M | 0.04% | −1,294−4.4% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 26,112 | $3.24M | 0.28% | −66,692−71.9% | Reduced |
| Bradley Mark J. | 25,290 | $3.14M | 2.28% | +3,665+16.9% | Added |
| ClariVest Asset Management LLC | 23,239 | $2.88M | 0.13% | +15+0.1% | Added |
| Envestnet Asset Management Inc | 23,114 | $2.87M | 0.00% | +870+3.9% | Added |
| Gilder Gagnon Howe & Co LLC | 22,145 | $2.75M | 0.05% | +2,245+11.3% | Added |
| State of New Jersey Common Pension Fund D | 22,077 | $2.74M | 0.01% | 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 |
| EULAV Asset Management | 20,300 | $2.52M | 0.10% | 00.0% | Unchanged |
| Millennium Management LLC | 18,574 | $2.30M | 0.00% | +5,057+37.4% | Added |
| Algert Global LLC | 18,144 | $2.25M | 0.11% | −419−2.3% | Reduced |
| Baird Financial Group, Inc. | 18,078 | $2.24M | 0.01% | +429+2.4% | Added |
| ExodusPoint Capital Management, LP | 17,654 | $2.19M | 0.03% | +17,654 | New |
| Truist Financial Corp | 16,567 | $2.05M | 0.00% | −3,500−17.4% | Reduced |
| MetLife Investment Management | 15,758 | $1.95M | 0.01% | −334−2.1% | Reduced |
| UBS Oconnor LLC | 15,715 | $1.95M | 0.05% | +15,715 | New |
| Barclays PLC | 15,269 | $1.89M | 0.00% | +7,168+88.5% | Added |
| Winton Group Ltd | 14,858 | $1.84M | 0.11% | +9,258+165.3% | Added |
| American International Group, Inc. | 14,559 | $1.81M | 0.01% | +289+2.0% | Added |
| TD Asset Management Inc | 14,325 | $1.78M | 0.00% | −1,600−10.0% | Reduced |
| Macquarie Group Ltd | 13,517 | $1.68M | 0.00% | −3,330−19.8% | Reduced |
| Susquehanna International Group, LLP | 13,434 | $1.67M | 0.00% | +11,014+455.1% | Added |
| Stifel Financial Corp | 13,382 | $1.66M | 0.00% | −242−1.8% | Reduced |
| BNP Paribas Arbitrage, SA | 12,651 | $1.57M | 0.00% | +7,377+139.9% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 12,089 | $1.50M | 0.00% | 00.0% | Unchanged |
| Maverick Capital LtdSuperinvestorMaverick Capital | 12,014 | $1.49M | 0.04% | +12,014 | New |
| Voya Investment Management LLC | 11,475 | $1.42M | 0.00% | 00.0% | Unchanged |