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 |
|---|---|---|---|---|---|
| Sands Capital Management, LLC | 3,229,819 | $214.3M | 0.36% | +182,255+6.0% | Added |
| Vanguard Group Inc | 2,718,802 | $180.4M | 0.00% | −15,305−0.6% | Reduced |
| BlackRock Inc. | 2,077,784 | $137.9M | 0.00% | −201,464−8.8% | Reduced |
| Mackenzie Financial Corp | 1,813,353 | $120.3M | 0.17% | +1,813,353 | New |
| JPMorgan Chase & Co | 1,409,277 | $93.5M | 0.01% | +269,403+23.6% | Added |
| Credit Suisse AG | 1,165,559 | $77.3M | 0.06% | +212,601+22.3% | Added |
| Wellington Management Group LLP | 1,094,335 | $72.6M | 0.01% | +1,025,138+1,481.5% | Added |
| Capital Research Global Investors | 1,056,827 | $70.1M | 0.02% | +309,962+41.5% | Added |
| Citadel Advisors LLC | 926,724 | $61.5M | 0.06% | +742,315+402.5% | Added |
| State Street Corp | 813,955 | $54.0M | 0.00% | +174,847+27.4% | Added |
| Blair William & Co | 634,684 | $42.1M | 0.15% | +136,521+27.4% | Added |
| Fiera Capital Corp | 612,027 | $40.6M | 0.10% | +227,094+59.0% | Added |
| Norges Bank | 575,072 | $38.2M | 0.01% | +296,576+106.5% | Added |
| Price T Rowe Associates Inc | 569,709 | $37.8M | 0.00% | −1,404,504−71.1% | Reduced |
| Millennium Management LLC | 551,173 | $36.6M | 0.05% | +547,979+17,156.5% | Added |
| Assenagon Asset Management S.A. | 510,915 | $33.9M | 0.15% | +508,626+22,220.4% | Added |
| Geode Capital Management, LLC | 501,539 | $33.3M | 0.00% | +21,704+4.5% | Added |
| Two Sigma Investments, LP | 483,717 | $32.1M | 0.09% | +453,224+1,486.3% | Added |
| Rock Springs Capital Management LP | 448,000 | $29.7M | 0.59% | +15,504+3.6% | Added |
| Invesco Ltd. | 442,693 | $29.4M | 0.01% | −275,149−38.3% | Reduced |
| Bessemer Group Inc | 425,638 | $28.2M | 0.06% | +38,704+10.0% | Added |
| Vident Investment Advisory, LLC | 412,614 | $27.4M | 0.83% | +228,968+124.7% | Added |
| Legal & General Group Plc | 358,246 | $23.8M | 0.01% | +176,675+97.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 357,833 | $23.7M | 0.08% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 335,600 | $22.3M | 0.03% | +193,100+135.5% | Added |
| Point72 Asset Management, L.P. | 321,211 | $21.3M | 0.11% | +321,211 | New |
| Northern Trust Corp | 311,049 | $20.6M | 0.00% | −3,156−1.0% | Reduced |
| Voloridge Investment Management, LLC | 288,605 | $19.1M | 0.13% | +92,616+47.3% | Added |
| Charles Schwab Investment Management Inc | 277,091 | $18.4M | 0.01% | +7,298+2.7% | Added |
| Stephens Investment Management Group LLC | 275,006 | $18.2M | 0.25% | +95,336+53.1% | Added |
| Morgan Stanley | 222,838 | $14.8M | 0.00% | +105,154+89.4% | Added |
| Bank of New York Mellon Corp | 218,006 | $14.5M | 0.00% | −42,360−16.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 188,169 | $12.5M | 0.03% | +53,341+39.6% | Added |
| New York State Common Retirement Fund | 166,877 | $11.1M | 0.01% | −373,059−69.1% | Reduced |
| Franklin Resources Inc | 150,051 | $9.96M | 0.00% | −123,583−45.2% | Reduced |
| Nuveen Asset Management, LLC | 143,247 | $9.51M | 0.00% | +17,492+13.9% | Added |
| Pura Vida Investments, LLC | 140,000 | $9.29M | 0.66% | +140,000 | New |
| Cubist Systematic Strategies, LLC | 129,867 | $8.62M | 0.10% | +63,993+97.1% | Added |
| CWM, LLC | 125,141 | $8.30M | 0.07% | 00.0% | Unchanged |
| Bank of America Corp | 120,602 | $8.00M | 0.00% | −19,342−13.8% | Reduced |
| Alliancebernstein L.P. | 115,445 | $7.66M | 0.00% | −767,956−86.9% | Reduced |
| Alberta Investment Management Corp | 83,056 | $5.51M | 0.05% | 00.0% | Unchanged |
| C WorldWide Group Holding A/S | 80,000 | $5.31M | 0.05% | 00.0% | Unchanged |
| Lombard Odier Asset Management (Switzerland) SA | 78,199 | $5.19M | 0.26% | +28,018+55.8% | Added |
| Wells Fargo & Company | 77,620 | $5.15M | 0.00% | −1,015,929−92.9% | Reduced |
| Holocene Advisors, LP | 74,666 | $4.95M | 0.03% | +48,056+180.6% | Added |
| Man Group plc | 72,809 | $4.83M | 0.02% | −17,716−19.6% | Reduced |
| Jane Street Group, LLC | 71,524 | $4.75M | 0.01% | +66,380+1,290.4% | Added |
| Goldman Sachs Group Inc | 65,599 | $4.35M | 0.00% | −134,567−67.2% | Reduced |
| Swiss National Bank | 63,600 | $4.22M | 0.00% | −2,400−3.6% | Reduced |
| Two Sigma Advisers, LP | 61,600 | $4.09M | 0.01% | +61,600 | New |
| State of Wisconsin Investment Board | 60,500 | $4.01M | 0.01% | −2,300−3.7% | Reduced |
| California Public Employees Retirement System | 58,892 | $3.91M | 0.00% | −8,608−12.8% | Reduced |
| Deutsche Bank AG | 58,284 | $3.87M | 0.00% | −44,593−43.3% | Reduced |
| Integral Health Asset Management, LLC | 50,000 | $3.32M | 0.91% | +50,000 | New |
| Exchange Traded Concepts, LLC | 49,925 | $3.31M | 0.10% | +29,493+144.3% | Added |
| Landscape Capital Management, L.L.C. | 48,757 | $3.23M | 0.40% | +26,699+121.0% | Added |
| Duality Advisers, LP | 46,548 | $3.09M | 0.27% | +46,548 | New |
| Balyasny Asset Management LLC | 44,234 | $2.94M | 0.02% | −12,187−21.6% | Reduced |
| Susquehanna International Group, LLP | 41,564 | $2.76M | 0.00% | +35,058+538.9% | Added |
| UBS Asset Management Americas Inc | 40,757 | $2.70M | 0.00% | +7,044+20.9% | Added |
| California State Teachers Retirement System | 40,647 | $2.70M | 0.00% | −3,011−6.9% | Reduced |
| Jump Financial, LLC | 33,200 | $2.20M | 0.21% | +18,400+124.3% | Added |
| State of New Jersey Common Pension Fund D | 33,169 | $2.20M | 0.01% | +15,054+83.1% | Added |
| D. E. Shaw & Co., Inc. | 32,260 | $2.14M | 0.00% | +30,232+1,490.7% | Added |
| Rhumbline Advisers | 32,019 | $2.12M | 0.00% | −3,736−10.4% | Reduced |
| AXA S.A. | 31,507 | $2.09M | 0.01% | −2,000−6.0% | Reduced |
| Sit Investment Associates Inc | 31,425 | $2.08M | 0.05% | −6,125−16.3% | Reduced |
| Squarepoint Ops LLC | 30,475 | $2.02M | 0.01% | −36,878−54.8% | Reduced |
| Bridgewater Associates, LP | 30,214 | $2.00M | 0.01% | +30,214 | New |
| Engineers Gate Manager LP | 28,702 | $1.90M | 0.12% | +19,093+198.7% | Added |
| Mutual of America Capital Management LLC | 28,478 | $1.89M | 0.02% | −1,224−4.1% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 28,105 | $1.86M | 0.01% | +20,817+285.6% | Added |
| Qube Research & Technologies Ltd | 27,590 | $1.83M | 0.02% | +9,322+51.0% | Added |
| Royal Bank of Canada | 27,136 | $1.80M | 0.00% | +11,999+79.3% | Added |
| Marshall Wace North America L.P. | 26,207 | $1.74M | 0.01% | +10,822+70.3% | Added |
| Ameriprise Financial Inc | 25,652 | $1.70M | 0.00% | −39,893−60.9% | Reduced |
| Occudo Quantitative Strategies LP | 24,661 | $1.64M | 0.25% | +24,661 | New |
| Simplex Trading, LLC | 24,210 | $1.61M | 0.06% | +23,808+5,922.4% | Added |
| TD Asset Management Inc | 28,934 | $1.48M | 0.00% | −26,123−47.4% | Reduced |
| Parametric Portfolio Associates LLC | 21,589 | $1.43M | 0.00% | −790−3.5% | Reduced |
| Quantbot Technologies LP | 21,202 | $1.41M | 0.11% | +15,974+305.5% | Added |
| EULAV Asset Management | 20,300 | $1.35M | 0.04% | 00.0% | Unchanged |
| Prosight Management, LP | 20,200 | $1.34M | 0.85% | +20,200 | New |
| ExodusPoint Capital Management, LP | 19,584 | $1.30M | 0.02% | +19,584 | New |
| Brinker Capital Investments, LLC | 18,984 | $1.26M | 0.02% | +8,964+89.5% | Added |
| Manufacturers Life Insurance Company, The | 16,587 | $1.10M | 0.00% | +405+2.5% | Added |
| American International Group, Inc. | 16,534 | $1.10M | 0.00% | −306−1.8% | Reduced |
| Dimensional Fund Advisors LP | 15,244 | $1.01M | 0.00% | −3,677−19.4% | Reduced |
| Sante Capital Fund, LP | 15,221 | $1.01M | 0.42% | +15,221 | New |
| Altium Capital Management LP | 15,206 | $1.01M | 0.23% | +15,206 | New |
| AQR Capital Management LLC | 14,578 | $967.0K | 0.00% | +5,543+61.4% | Added |
| Barclays PLC | 14,485 | $962.0K | 0.00% | −18,874−56.6% | Reduced |
| Walleye Capital LLC | 14,071 | $934.0K | 0.03% | +14,071 | New |
| Envestnet Asset Management Inc | 13,771 | $914.0K | 0.00% | +3,218+30.5% | Added |
| Citigroup Inc | 13,624 | $904.0K | 0.00% | +5,087+59.6% | Added |
| GAM Holding AG | 12,390 | $822.0K | 0.04% | +3,487+39.2% | Added |
| State Board of Administration of Florida Retirement System | 12,061 | $800.0K | 0.00% | +968+8.7% | Added |
| Voya Investment Management LLC | 11,701 | $776.0K | 0.00% | −191,135−94.2% | Reduced |
| Stifel Financial Corp | 11,595 | $769.0K | 0.00% | +4,997+75.7% | Added |