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 2025
Institutional positions in iRhythm Holdings, Inc. as of Mar 31, 2025. 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
- 256
- +32 vs. Q4 2024
- Shares held
- 36.0M
- +1.75M (+5.1%) vs. Q4 2024
- Total value
- $3.77B
- +$682.2M (+22.1%) vs. Q4 2024
- New holders
- 54
- 79 more added
- Sold out
- 22
- 83 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Silvercrest Asset Management Group LLC | 94,881 | $9.93M | 0.07% | −248−0.3% | Reduced |
| Amundi | 95,854 | $10.2M | 0.00% | −7,054−6.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 100,000 | $10.5M | 0.02% | 00.0% | Unchanged |
| Raymond James Financial Inc | 110,126 | $11.5M | 0.00% | +8,639+8.5% | Added |
| Segall Bryant & Hamill, LLC | 130,748 | $13.7M | 0.21% | −8,643−6.2% | Reduced |
| Freestone Grove Partners LP | 136,972 | $14.3M | 0.15% | +120,260+719.6% | Added |
| WCM Investment Management, LLC | 138,437 | $14.5M | 0.04% | +235+0.2% | Added |
| Alberta Investment Management Corp | 145,166 | $15.2M | 0.10% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 160,886 | $16.8M | 0.02% | +33,307+26.1% | Added |
| Wellington Management Group LLP | 165,642 | $17.3M | 0.00% | −68,198−29.2% | Reduced |
| Verition Fund Management LLC | 166,472 | $17.4M | 0.10% | +166,472 | New |
| UBS Group AG | 183,106 | $19.2M | 0.00% | +12,511+7.3% | Added |
| Citigroup Inc | 185,142 | $19.4M | 0.01% | −5,056−2.7% | Reduced |
| Manufacturers Life Insurance Company, The | 196,358 | $20.6M | 0.02% | +439+0.2% | Added |
| Barclays PLC | 200,482 | $21.0M | 0.01% | −15,029−7.0% | Reduced |
| Deutsche Bank AG | 204,915 | $21.5M | 0.01% | −300.0% | Reduced |
| Next Century Growth Investors LLC | 208,220 | $21.8M | 1.94% | +208,220 | New |
| Frontier Capital Management Co LLC | 224,910 | $23.5M | 0.26% | −130,237−36.7% | Reduced |
| Morgan Stanley | 232,669 | $24.4M | 0.00% | −19,095−7.6% | Reduced |
| Fred Alger Management, LLC | 249,714 | $26.1M | 0.15% | −23,059−8.5% | Reduced |
| Rock Springs Capital Management LP | 254,300 | $26.6M | 1.52% | −143,200−36.0% | Reduced |
| Charles Schwab Investment Management Inc | 254,579 | $26.6M | 0.00% | −4,915−1.9% | Reduced |
| Lord, Abbett & Co. LLC | 258,628 | $27.1M | 0.10% | +258,628 | New |
| Jennison Associates LLC | 280,187 | $29.3M | 0.02% | +280,187 | New |
| Northern Trust Corp | 292,009 | $30.6M | 0.00% | +4,675+1.6% | Added |
| SEI Investments Co | 312,762 | $32.7M | 0.04% | −5,891−1.8% | Reduced |
| Schroder Investment Management Group | 314,690 | $33.0M | 0.03% | +6,352+2.1% | Added |
| First Light Asset Management, LLC | 325,046 | $34.0M | 3.89% | −105,454−24.5% | Reduced |
| Bank of New York Mellon Corp | 357,501 | $37.4M | 0.01% | −133,984−27.3% | Reduced |
| Slate Path Capital LP | 365,400 | $38.3M | 0.69% | −145,100−28.4% | Reduced |
| Bank of America Corp | 371,920 | $38.9M | 0.00% | +119,452+47.3% | Added |
| Ophir Asset Management Pty Ltd | 377,682 | $39.5M | 6.91% | −49,720−11.6% | Reduced |
| Millennium Management LLC | 399,746 | $41.8M | 0.04% | +339,529+563.8% | Added |
| Point72 Asset Management, L.P. | 420,303 | $44.0M | 0.12% | +420,303 | New |
| Goldman Sachs Group Inc | 433,780 | $45.4M | 0.01% | +108,941+33.5% | Added |
| FMR LLC | 463,223 | $48.5M | 0.00% | −12,182−2.6% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 518,240 | $54.2M | 0.21% | +518,240 | New |
| Stephens Investment Management Group LLC | 520,582 | $54.5M | 0.79% | +17,657+3.5% | Added |
| Allspring Global Investments Holdings, LLC | 518,618 | $55.4M | 0.10% | −51,430−9.0% | Reduced |
| Braidwell LP | 556,391 | $58.2M | 2.05% | −149,000−21.1% | Reduced |
| JPMorgan Chase & Co | 562,514 | $58.9M | 0.00% | −144,292−20.4% | Reduced |
| Bessemer Group Inc | 574,053 | $60.1M | 0.11% | +6,046+1.1% | Added |
| Westfield Capital Management Co LP | 617,078 | $64.6M | 0.31% | −148,175−19.4% | Reduced |
| Eventide Asset Management, LLC | 740,062 | $77.5M | 1.54% | +652+0.1% | Added |
| Geode Capital Management, LLC | 750,369 | $78.6M | 0.01% | +18,902+2.6% | Added |
| Blair William & Co | 789,999 | $82.7M | 0.25% | +185,262+30.6% | Added |
| Champlain Investment Partners, LLC | 822,791 | $86.1M | 0.62% | +96,529+13.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 879,816 | $92.1M | 0.25% | −20,300−2.3% | Reduced |
| UBS Asset Management Americas Inc | 903,084 | $94.5M | 0.02% | +568,261+169.7% | Added |
| State Street Corp | 917,688 | $96.1M | 0.00% | −31,093−3.3% | Reduced |
| Mackenzie Financial Corp | 1,155,954 | $121.0M | 0.17% | −225,988−16.4% | Reduced |
| Capital Research Global Investors | 2,202,622 | $230.6M | 0.05% | +565,596+34.6% | Added |
| BlackRock, Inc. | 2,703,345 | $283.0M | 0.01% | −25,511−0.9% | Reduced |
| Artisan Partners Limited Partnership | 2,814,280 | $294.6M | 0.48% | +51,546+1.9% | Added |
| Sands Capital Management, LLC | 3,016,207 | $315.7M | 1.07% | −160,495−5.1% | Reduced |
| Vanguard Group Inc | 3,108,194 | $325.4M | 0.01% | −28,176−0.9% | Reduced |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −351,745−100.0% | Sold out |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −156,012−100.0% | Sold out |
| Perceptive Advisors LLC | 0 | $0 | 0.00% | −65,153−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −32,473−100.0% | Sold out |
| Bryce Point Capital, LLC | 0 | $0 | 0.00% | −14,093−100.0% | Sold out |
| Monimus Capital Management, LP | 0 | $0 | 0.00% | −11,659−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −11,000−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −7,139−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −6,159−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −5,413−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −4,721−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −3,364−100.0% | Sold out |
| Brown Advisory Inc | 0 | $0 | 0.00% | −3,280−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −2,780−100.0% | Sold out |
| Ramirez Asset Management, Inc. | 0 | $0 | 0.00% | −800−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −106−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Wetherby Asset Management Inc | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |