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, Q3 2023
Institutional positions in iRhythm Holdings, Inc. as of Sep 30, 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
- 224
- +23 vs. Q2 2023
- Shares held
- 33.2M
- −137.9K (−0.4%) vs. Q2 2023
- Total value
- $3.12B
- −$351.7M (−10.1%) vs. Q2 2023
- New holders
- 38
- 77 more added
- Sold out
- 15
- 75 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AlphaCentric Advisors LLC | 7,000 | $659.8K | 0.37% | +7,000 | New |
| Dark Forest Capital Management LP | 7,072 | $666.6K | 0.06% | −1,598−18.4% | Reduced |
| Principal Financial Group Inc | 7,095 | $668.8K | 0.00% | −246−3.4% | Reduced |
| Franklin Resources Inc | 7,263 | $684.6K | 0.00% | −95−1.3% | Reduced |
| Abn Amro Investment Solutions | 7,434 | $700.7K | 0.01% | +1,541+26.1% | Added |
| Bridgewater Associates, LP | 7,627 | $718.9K | 0.00% | −25,574−77.0% | Reduced |
| Cinctive Capital Management LP | 7,923 | $746.8K | 0.04% | −34,130−81.2% | Reduced |
| Stifel Financial Corp | 7,929 | $747.4K | 0.00% | +46+0.6% | Added |
| Citadel Advisors LLC | 8,284 | $780.9K | 0.00% | +7,726+1,384.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 8,478 | $799.1K | 0.00% | −192−2.2% | Reduced |
| First Trust Advisors LP | 8,663 | $816.6K | 0.00% | −595−6.4% | Reduced |
| Arizona State Retirement System | 8,676 | $817.8K | 0.01% | +120+1.4% | Added |
| State Board of Administration of Florida Retirement System | 8,757 | $825.4K | 0.00% | +40+0.5% | Added |
| Duality Advisers, LP | 8,965 | $845.0K | 0.10% | +20.0% | Added |
| Dynamic Technology Lab Private Ltd | 9,463 | $892.0K | 0.09% | +9,463 | New |
| Ensign Peak Advisors, Inc | 9,530 | $898.3K | 0.00% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 9,688 | $913.2K | 0.00% | +9,688 | New |
| XTX Topco Ltd | 9,691 | $913.5K | 0.16% | +5,025+107.7% | Added |
| Campbell & CO Investment Adviser LLC | 10,059 | $948.2K | 0.11% | +137+1.4% | Added |
| Barclays PLC | 10,949 | $1.03M | 0.00% | −9,165−45.6% | Reduced |
| Canada Pension Plan Investment Board | 11,100 | $1.05M | 0.00% | +11,100 | New |
| Brinker Capital Investments, LLC | 11,744 | $1.11M | 0.01% | −352−2.9% | Reduced |
| Orion Portfolio Solutions, LLC | 11,744 | $1.11M | 0.01% | −352−2.9% | Reduced |
| Voya Investment Management LLC | 12,228 | $1.15M | 0.00% | +105+0.9% | Added |
| WoodTrust Financial Corp | 12,382 | $1.17M | 0.22% | 00.0% | Unchanged |
| B. Metzler seel. Sohn & Co. AG | 12,633 | $1.19M | 0.02% | +12,633 | New |
| SYSTM Wealth Solutions LLC | 13,051 | $1.23M | 0.19% | +1,103+9.2% | Added |
| McKinley Capital Management LLC /Delaware | 13,070 | $1.23M | 0.17% | 00.0% | Unchanged |
| Algert Global LLC | 13,512 | $1.27M | 0.06% | −4,410−24.6% | Reduced |
| Janus Henderson Group PLC | 14,034 | $1.32M | 0.00% | −234,427−94.4% | Reduced |
| Millrace Asset Group, Inc. | 14,272 | $1.34M | 1.66% | +14,272 | New |
| Truist Financial Corp | 15,086 | $1.42M | 0.00% | +19+0.1% | Added |
| American International Group, Inc. | 15,317 | $1.44M | 0.01% | +544+3.7% | Added |
| Fred Alger Management, LLC | 15,760 | $1.49M | 0.01% | +15,760 | New |
| MetLife Investment Management | 16,028 | $1.51M | 0.01% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 18,042 | $1.70M | 0.00% | +244+1.4% | Added |
| Macquarie Group Ltd | 19,348 | $1.82M | 0.00% | +2,250+13.2% | Added |
| Trexquant Investment LP | 19,629 | $1.85M | 0.05% | +16,416+510.9% | Added |
| EULAV Asset Management | 20,300 | $1.91M | 0.07% | 00.0% | Unchanged |
| ClariVest Asset Management LLC | 20,362 | $1.92M | 0.10% | +20+0.1% | Added |
| BNP Paribas Arbitrage, SA | 20,938 | $1.97M | 0.00% | +7,180+52.2% | Added |
| UBS Oconnor LLC | 21,158 | $1.99M | 0.04% | +8,629+68.9% | Added |
| Gilder Gagnon Howe & Co LLC | 21,330 | $2.01M | 0.03% | −654−3.0% | Reduced |
| Royal Bank of Canada | 21,395 | $2.02M | 0.00% | +2,690+14.4% | Added |
| Kampmann Melissa S. | 22,390 | $2.11M | 2.04% | +22,390 | New |
| Tudor Investment Corp Et Al | 22,439 | $2.12M | 0.03% | −9,830−30.5% | Reduced |
| Squarepoint Ops LLC | 22,637 | $2.13M | 0.01% | +22,637 | New |
| State of New Jersey Common Pension Fund D | 23,288 | $2.20M | 0.01% | +2,322+11.1% | Added |
| Mutual of America Capital Management LLC | 24,610 | $2.32M | 0.03% | −1,465−5.6% | Reduced |
| Man Group plc | – | $2.67M | 0.01% | – | – |
| UBS Group AG | 32,445 | $3.06M | 0.00% | −10,946−25.2% | Reduced |
| Sectoral Asset Management Inc | 33,000 | $3.11M | 0.61% | +3,000+10.0% | Added |
| Envestnet Asset Management Inc | 33,104 | $3.12M | 0.00% | +17,542+112.7% | Added |
| Deutsche Bank AG | 33,486 | $3.16M | 0.00% | +1,580+5.0% | Added |
| California State Teachers Retirement System | 33,718 | $3.18M | 0.00% | −3,297−8.9% | Reduced |
| UBS Asset Management Americas Inc | 33,861 | $3.19M | 0.00% | +191+0.6% | Added |
| TD Asset Management Inc | 33,904 | $3.20M | 0.00% | +11,052+48.4% | Added |
| Prosight Management, LP | 35,000 | $3.30M | 1.05% | −1,030−2.9% | Reduced |
| Neuberger Berman Group LLC | 37,091 | $3.50M | 0.00% | −906−2.4% | Reduced |
| Banque Pictet & Cie SA | 37,095 | $3.50M | 0.04% | +7,881+27.0% | Added |
| AXA S.A. | 38,000 | $3.58M | 0.01% | 00.0% | Unchanged |
| Silvercrest Asset Management Group LLC | 40,400 | $3.81M | 0.03% | +40,400 | New |
| ExodusPoint Capital Management, LP | 41,155 | $3.88M | 0.05% | +41,155 | New |
| Rhumbline Advisers | 43,067 | $4.06M | 0.00% | +716+1.7% | Added |
| Jane Street Group, LLC | 43,314 | $4.08M | 0.01% | −36,369−45.6% | Reduced |
| Western Standard LLC | 45,656 | $4.30M | 3.89% | +2,894+6.8% | Added |
| California Public Employees Retirement System | 46,945 | $4.43M | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 47,497 | $4.48M | 0.00% | −15,834−25.0% | Reduced |
| Wells Fargo & Company | 47,962 | $4.52M | 0.00% | −8,087−14.4% | Reduced |
| State of Wisconsin Investment Board | 53,250 | $5.02M | 0.02% | +6,081+12.9% | Added |
| Millennium Management LLC | 65,342 | $6.16M | 0.01% | −76,750−54.0% | Reduced |
| Swiss National Bank | 67,000 | $6.32M | 0.00% | +600+0.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 69,528 | $6.55M | 0.01% | −2,618−3.6% | Reduced |
| Renaissance Technologies LLC | 72,800 | $6.86M | 0.01% | −10,700−12.8% | Reduced |
| C WorldWide Group Holding A/S | 80,000 | $7.54M | 0.10% | 00.0% | Unchanged |
| Eagle Asset Management Inc | 80,468 | $7.58M | 0.04% | −1,399−1.7% | Reduced |
| Peregrine Capital Management LLC | 81,528 | $7.68M | 0.23% | +3,357+4.3% | Added |
| WCM Investment Management, LLC | 82,522 | $7.78M | 0.02% | +82,522 | New |
| Nuveen Asset Management, LLC | 87,322 | $8.23M | 0.00% | +3,199+3.8% | Added |
| First Light Asset Management, LLC | 88,039 | $8.30M | 0.79% | +88,039 | New |
| Alberta Investment Management Corp | 94,714 | $8.93M | 0.10% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 101,283 | $9.55M | 0.01% | +2,123+2.1% | Added |
| D. E. Shaw & Co., Inc. | 108,880 | $10.3M | 0.02% | +4,059+3.9% | Added |
| Bank of America Corp | 110,002 | $10.4M | 0.00% | +6,128+5.9% | Added |
| Balyasny Asset Management LLC | 159,275 | $15.0M | 0.04% | −204,351−56.2% | Reduced |
| Morgan Stanley | 160,941 | $15.2M | 0.00% | +8,307+5.4% | Added |
| Lord, Abbett & Co. LLC | 181,546 | $17.1M | 0.06% | −68,816−27.5% | Reduced |
| Legal & General Group Plc | 187,191 | $17.6M | 0.01% | −5,227−2.7% | Reduced |
| New York State Common Retirement Fund | 196,941 | $18.6M | 0.03% | +2,799+1.4% | Added |
| Exchange Traded Concepts, LLC | 210,987 | $19.9M | 0.56% | −3,344−1.6% | Reduced |
| Wellington Management Group LLP | 219,167 | $20.7M | 0.00% | +219,167 | New |
| SEI Investments Co | 226,020 | $21.3M | 0.04% | +4,049+1.8% | Added |
| Charles Schwab Investment Management Inc | 236,173 | $22.3M | 0.01% | −4,538−1.9% | Reduced |
| Eventide Asset Management, LLC | 239,135 | $22.5M | 0.41% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 283,363 | $26.7M | 0.01% | −6,424−2.2% | Reduced |
| Northern Trust Corp | 296,980 | $28.0M | 0.01% | +1,715+0.6% | Added |
| Stephens Investment Management Group LLC | 306,006 | $28.8M | 0.47% | +683+0.2% | Added |
| Rock Springs Capital Management LP | 350,750 | $33.1M | 0.89% | +41,300+13.3% | Added |
| Fiera Capital Corp | 397,779 | $37.5M | 0.12% | +7,358+1.9% | Added |
| Bessemer Group Inc | 398,334 | $37.5M | 0.08% | +1,232+0.3% | Added |