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 2024
Institutional positions in iRhythm Holdings, Inc. as of Jun 30, 2024. 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
- 228
- −24 vs. Q1 2024
- Shares held
- 35.5M
- +1.48M (+4.4%) vs. Q1 2024
- Total value
- $3.82B
- −$126.1M (−3.2%) vs. Q1 2024
- New holders
- 27
- 106 more added
- Sold out
- 51
- 65 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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 2024
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 362,689 | $39.0M | 0.00% | +51,084+16.4% | Added |
| Loomis Sayles & Co L P | 370,490 | $39.9M | 0.05% | +64,548+21.1% | Added |
| UBS Asset Management Americas Inc | 386,029 | $41.6M | 0.01% | +351,931+1,032.1% | Added |
| Fiera Capital Corp | 393,197 | $42.3M | 0.13% | +4,284+1.1% | Added |
| Rock Springs Capital Management LP | 397,500 | $42.8M | 1.29% | +5,250+1.3% | Added |
| Bank of New York Mellon Corp | 401,009 | $43.2M | 0.01% | −180,997−31.1% | Reduced |
| Stephens Investment Management Group LLC | 420,607 | $45.3M | 0.63% | +8,834+2.1% | Added |
| Allspring Global Investments Holdings, LLC | 475,586 | $51.2M | 0.08% | +60,560+14.6% | Added |
| Millennium Management LLC | 495,975 | $53.4M | 0.04% | +371,372+298.0% | Added |
| Slate Path Capital LP | 510,500 | $55.0M | 1.11% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 511,929 | $55.1M | 0.14% | +240.0% | Added |
| Braidwell LP | 526,357 | $56.7M | 1.78% | +43,100+8.9% | Added |
| Point72 Asset Management, L.P. | 536,202 | $57.7M | 0.19% | +58,668+12.3% | Added |
| Westfield Capital Management Co LP | 609,080 | $65.6M | 0.32% | +106,402+21.2% | Added |
| Invesco Ltd. | 685,722 | $73.8M | 0.02% | +101,724+17.4% | Added |
| Geode Capital Management, LLC | 727,885 | $78.4M | 0.01% | +37,125+5.4% | Added |
| Champlain Investment Partners, LLC | 739,265 | $79.6M | 0.49% | +163,465+28.4% | Added |
| Blair William & Co | 799,080 | $86.0M | 0.27% | −33,854−4.1% | Reduced |
| State Street Corp | 896,851 | $96.5M | 0.00% | +127,618+16.6% | Added |
| JPMorgan Chase & Co | 947,322 | $102.0M | 0.01% | −15,940−1.7% | Reduced |
| Holocene Advisors, LP | 1,042,670 | $112.2M | 0.47% | +124,021+13.5% | Added |
| Alliancebernstein L.P. | 1,267,896 | $136.5M | 0.05% | +32,978+2.7% | Added |
| Mackenzie Financial Corp | 1,428,324 | $153.7M | 0.23% | +80,091+5.9% | Added |
| Sands Capital Management, LLC | 2,126,003 | $228.8M | 0.67% | −17,023−0.8% | Reduced |
| Capital Research Global Investors | 2,494,439 | $268.5M | 0.06% | −8950.0% | Reduced |
| BlackRock Inc. | 2,502,353 | $269.4M | 0.01% | +61,230+2.5% | Added |
| Artisan Partners Limited Partnership | 2,685,285 | $289.0M | 0.44% | +540,343+25.2% | Added |
| Vanguard Group Inc | 2,981,621 | $320.9M | 0.01% | +32,179+1.1% | Added |
| First Light Asset Management, LLC | 0 | $0 | 0.00% | −420,892−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −241,681−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −78,111−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −49,866−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −48,545−100.0% | Sold out |
| Steelhead Partners LLC | 0 | $0 | 0.00% | −33,200−100.0% | Sold out |
| Shaolin Capital Management LLC | 0 | $0 | 0.00% | −29,900−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| McKinley Capital Management LLC /Delaware | 0 | $0 | 0.00% | −19,940−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −19,900−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −19,900−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −19,030−100.0% | Sold out |
| Tenor Capital Management Co., L.P. | 0 | $0 | 0.00% | −16,600−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −16,600−100.0% | Sold out |
| DeepCurrents Investment Group LLC | 0 | $0 | 0.00% | −16,600−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −16,600−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −15,127−100.0% | Sold out |
| ClariVest Asset Management LLC | 0 | $0 | 0.00% | −10,964−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −9,724−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −8,231−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −7,050−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −6,103−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −5,986−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −4,900−100.0% | Sold out |
| Aristeia Capital LLC | 0 | $0 | 0.00% | −4,350−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −4,115−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −4,073−100.0% | Sold out |
| Premier Fund Managers Ltd | 0 | $0 | 0.00% | −3,143−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −3,026−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −2,969−100.0% | Sold out |
| Great Lakes Advisors, LLC | 0 | $0 | 0.00% | −2,729−100.0% | Sold out |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −2,702−100.0% | Sold out |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| Chicago Trust Co NA | 0 | $0 | 0.00% | −2,145−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −1,905−100.0% | Sold out |
| Vident Advisory, LLC | 0 | $0 | 0.00% | −1,871−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −1,833−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −1,613−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −1,083−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −906−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −430−100.0% | Sold out |
| Stephens Inc | 0 | $0 | 0.00% | −329−100.0% | Sold out |
| Old Point Trust & Financial Services N A | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Creative Financial Designs Inc | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| Anfield Capital Management, LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| BFSG, LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Westend Capital Management, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Sofos Investments, Inc. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |