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, Q2 2021
Institutional positions in iRhythm Holdings, Inc. as of Jun 30, 2021. 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
- 183
- −33 vs. Q1 2021
- Shares held
- 29.1M
- −2.20M (−7.0%) vs. Q1 2021
- Total value
- $1.93B
- −$2.40B (−55.4%) vs. Q1 2021
- New holders
- 27
- 72 more added
- Sold out
- 60
- 56 more reduced
1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| EULAV Asset Management | 20,300 | $1.35M | 0.04% | 00.0% | Unchanged |
| Quantbot Technologies LP | 21,202 | $1.41M | 0.11% | +15,974+305.5% | Added |
| Parametric Portfolio Associates LLC | 21,589 | $1.43M | 0.00% | −790−3.5% | Reduced |
| TD Asset Management Inc | 28,934 | $1.48M | 0.00% | −26,123−47.4% | Reduced |
| Simplex Trading, LLC | 24,210 | $1.61M | 0.06% | +23,808+5,922.4% | Added |
| Occudo Quantitative Strategies LP | 24,661 | $1.64M | 0.25% | +24,661 | New |
| Ameriprise Financial Inc | 25,652 | $1.70M | 0.00% | −39,893−60.9% | Reduced |
| Marshall Wace North America L.P. | 26,207 | $1.74M | 0.01% | +10,822+70.3% | Added |
| Royal Bank of Canada | 27,136 | $1.80M | 0.00% | +11,999+79.3% | Added |
| Qube Research & Technologies Ltd | 27,590 | $1.83M | 0.02% | +9,322+51.0% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 28,105 | $1.86M | 0.01% | +20,817+285.6% | Added |
| Mutual of America Capital Management LLC | 28,478 | $1.89M | 0.02% | −1,224−4.1% | Reduced |
| Engineers Gate Manager LP | 28,702 | $1.90M | 0.12% | +19,093+198.7% | Added |
| Bridgewater Associates, LP | 30,214 | $2.00M | 0.01% | +30,214 | New |
| Squarepoint Ops LLC | 30,475 | $2.02M | 0.01% | −36,878−54.8% | Reduced |
| Sit Investment Associates Inc | 31,425 | $2.08M | 0.05% | −6,125−16.3% | Reduced |
| AXA S.A. | 31,507 | $2.09M | 0.01% | −2,000−6.0% | Reduced |
| Rhumbline Advisers | 32,019 | $2.12M | 0.00% | −3,736−10.4% | Reduced |
| D. E. Shaw & Co., Inc. | 32,260 | $2.14M | 0.00% | +30,232+1,490.7% | Added |
| State of New Jersey Common Pension Fund D | 33,169 | $2.20M | 0.01% | +15,054+83.1% | Added |
| Jump Financial, LLC | 33,200 | $2.20M | 0.21% | +18,400+124.3% | Added |
| California State Teachers Retirement System | 40,647 | $2.70M | 0.00% | −3,011−6.9% | Reduced |
| UBS Asset Management Americas Inc | 40,757 | $2.70M | 0.00% | +7,044+20.9% | Added |
| Susquehanna International Group, LLP | 41,564 | $2.76M | 0.00% | +35,058+538.9% | Added |
| Balyasny Asset Management LLC | 44,234 | $2.94M | 0.02% | −12,187−21.6% | Reduced |
| Duality Advisers, LP | 46,548 | $3.09M | 0.27% | +46,548 | New |
| Landscape Capital Management, L.L.C. | 48,757 | $3.23M | 0.40% | +26,699+121.0% | Added |
| Exchange Traded Concepts, LLC | 49,925 | $3.31M | 0.10% | +29,493+144.3% | Added |
| Integral Health Asset Management, LLC | 50,000 | $3.32M | 0.91% | +50,000 | New |
| Deutsche Bank AG | 58,284 | $3.87M | 0.00% | −44,593−43.3% | Reduced |
| California Public Employees Retirement System | 58,892 | $3.91M | 0.00% | −8,608−12.8% | Reduced |
| State of Wisconsin Investment Board | 60,500 | $4.01M | 0.01% | −2,300−3.7% | Reduced |
| Two Sigma Advisers, LP | 61,600 | $4.09M | 0.01% | +61,600 | New |
| Swiss National Bank | 63,600 | $4.22M | 0.00% | −2,400−3.6% | Reduced |
| Goldman Sachs Group Inc | 65,599 | $4.35M | 0.00% | −134,567−67.2% | Reduced |
| Jane Street Group, LLC | 71,524 | $4.75M | 0.01% | +66,380+1,290.4% | Added |
| Man Group plc | 72,809 | $4.83M | 0.02% | −17,716−19.6% | Reduced |
| Holocene Advisors, LP | 74,666 | $4.95M | 0.03% | +48,056+180.6% | Added |
| Wells Fargo & Company | 77,620 | $5.15M | 0.00% | −1,015,929−92.9% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 78,199 | $5.19M | 0.26% | +28,018+55.8% | Added |
| C WorldWide Group Holding A/S | 80,000 | $5.31M | 0.05% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 83,056 | $5.51M | 0.05% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 115,445 | $7.66M | 0.00% | −767,956−86.9% | Reduced |
| Bank of America Corp | 120,602 | $8.00M | 0.00% | −19,342−13.8% | Reduced |
| CWM, LLC | 125,141 | $8.30M | 0.07% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 129,867 | $8.62M | 0.10% | +63,993+97.1% | Added |
| Pura Vida Investments, LLC | 140,000 | $9.29M | 0.66% | +140,000 | New |
| Nuveen Asset Management, LLC | 143,247 | $9.51M | 0.00% | +17,492+13.9% | Added |
| Franklin Resources Inc | 150,051 | $9.96M | 0.00% | −123,583−45.2% | Reduced |
| New York State Common Retirement Fund | 166,877 | $11.1M | 0.01% | −373,059−69.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 188,169 | $12.5M | 0.03% | +53,341+39.6% | Added |
| Bank of New York Mellon Corp | 218,006 | $14.5M | 0.00% | −42,360−16.3% | Reduced |
| Morgan Stanley | 222,838 | $14.8M | 0.00% | +105,154+89.4% | Added |
| Stephens Investment Management Group LLC | 275,006 | $18.2M | 0.25% | +95,336+53.1% | Added |
| Charles Schwab Investment Management Inc | 277,091 | $18.4M | 0.01% | +7,298+2.7% | Added |
| Voloridge Investment Management, LLC | 288,605 | $19.1M | 0.13% | +92,616+47.3% | Added |
| Northern Trust Corp | 311,049 | $20.6M | 0.00% | −3,156−1.0% | Reduced |
| Point72 Asset Management, L.P. | 321,211 | $21.3M | 0.11% | +321,211 | New |
| Renaissance Technologies LLC | 335,600 | $22.3M | 0.03% | +193,100+135.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 357,833 | $23.7M | 0.08% | 00.0% | Unchanged |
| Legal & General Group Plc | 358,246 | $23.8M | 0.01% | +176,675+97.3% | Added |
| Vident Investment Advisory, LLC | 412,614 | $27.4M | 0.83% | +228,968+124.7% | Added |
| Bessemer Group Inc | 425,638 | $28.2M | 0.06% | +38,704+10.0% | Added |
| Invesco Ltd. | 442,693 | $29.4M | 0.01% | −275,149−38.3% | Reduced |
| Rock Springs Capital Management LP | 448,000 | $29.7M | 0.59% | +15,504+3.6% | Added |
| Two Sigma Investments, LP | 483,717 | $32.1M | 0.09% | +453,224+1,486.3% | Added |
| Geode Capital Management, LLC | 501,539 | $33.3M | 0.00% | +21,704+4.5% | Added |
| Assenagon Asset Management S.A. | 510,915 | $33.9M | 0.15% | +508,626+22,220.4% | Added |
| Millennium Management LLC | 551,173 | $36.6M | 0.05% | +547,979+17,156.5% | Added |
| Price T Rowe Associates Inc | 569,709 | $37.8M | 0.00% | −1,404,504−71.1% | Reduced |
| Norges Bank | 575,072 | $38.2M | 0.01% | +296,576+106.5% | Added |
| Fiera Capital Corp | 612,027 | $40.6M | 0.10% | +227,094+59.0% | Added |
| Blair William & Co | 634,684 | $42.1M | 0.15% | +136,521+27.4% | Added |
| State Street Corp | 813,955 | $54.0M | 0.00% | +174,847+27.4% | Added |
| Citadel Advisors LLC | 926,724 | $61.5M | 0.06% | +742,315+402.5% | Added |
| Capital Research Global Investors | 1,056,827 | $70.1M | 0.02% | +309,962+41.5% | Added |
| Wellington Management Group LLP | 1,094,335 | $72.6M | 0.01% | +1,025,138+1,481.5% | Added |
| Credit Suisse AG | 1,165,559 | $77.3M | 0.06% | +212,601+22.3% | Added |
| JPMorgan Chase & Co | 1,409,277 | $93.5M | 0.01% | +269,403+23.6% | Added |
| Mackenzie Financial Corp | 1,813,353 | $120.3M | 0.17% | +1,813,353 | New |
| BlackRock Inc. | 2,077,784 | $137.9M | 0.00% | −201,464−8.8% | Reduced |
| Vanguard Group Inc | 2,718,802 | $180.4M | 0.00% | −15,305−0.6% | Reduced |
| Sands Capital Management, LLC | 3,229,819 | $214.3M | 0.36% | +182,255+6.0% | Added |
| Brown Capital Management LLC | 0 | $0 | 0.00% | −2,706,663−100.0% | Sold out |
| Artisan Partners Limited Partnership | 0 | $0 | 0.00% | −776,301−100.0% | Sold out |
| Clearbridge Investments, LLC | 0 | $0 | 0.00% | −369,050−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −111,945−100.0% | Sold out |
| Bellevue Group AG | 0 | $0 | 0.00% | −87,631−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −85,670−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −52,000−100.0% | Sold out |
| Compagnie Lombard Odier SCmA | 0 | $0 | 0.00% | −50,181−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −47,988−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −41,919−100.0% | Sold out |
| Motley Fool Asset Management LLC | 0 | $0 | 0.00% | −30,404−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −30,306−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −16,899−100.0% | Sold out |
| Jefferies Group LLC | 0 | $0 | 0.00% | −14,319−100.0% | Sold out |
| NN Investment Partners Holdings N.V. | 0 | $0 | 0.00% | −10,600−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −10,266−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −9,500−100.0% | Sold out |