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, Q4 2023
Institutional positions in iRhythm Holdings, Inc. as of Dec 31, 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
- 222
- 0 vs. Q3 2023
- Shares held
- 32.9M
- −208.1K (−0.6%) vs. Q3 2023
- Total value
- $3.53B
- +$406.8M (+13.0%) vs. Q3 2023
- New holders
- 34
- 87 more added
- Sold out
- 34
- 69 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Assetmark, Inc | 6,806 | $728.5K | 0.00% | +1,986+41.2% | Added |
| Abn Amro Investment Solutions | 7,099 | $759.9K | 0.01% | −335−4.5% | Reduced |
| Principal Financial Group Inc | 7,208 | $771.5K | 0.00% | +113+1.6% | Added |
| Bridgewater Associates, LP | 7,264 | $777.5K | 0.00% | −363−4.8% | Reduced |
| Franklin Resources Inc | 7,285 | $779.8K | 0.00% | +22+0.3% | Added |
| Oppenheimer Asset Management Inc. | 7,693 | $823.5K | 0.01% | +3,187+70.7% | Added |
| Tower Research Capital LLC (TRC) | 7,906 | $846.3K | 0.01% | +7,265+1,133.4% | Added |
| Algert Global LLC | 8,012 | $857.6K | 0.03% | −5,500−40.7% | Reduced |
| Great West Life Assurance Co | 8,519 | $906.0K | 0.00% | +5,816+215.2% | Added |
| Stifel Financial Corp | 8,473 | $907.0K | 0.00% | +544+6.9% | Added |
| Arizona State Retirement System | 8,549 | $915.1K | 0.01% | −127−1.5% | Reduced |
| State Board of Administration of Florida Retirement System | 8,757 | $937.3K | 0.00% | 00.0% | Unchanged |
| Point72 Middle East FZE | 8,764 | $938.1K | 0.07% | +8,764 | New |
| Duality Advisers, LP | 8,965 | $959.6K | 0.10% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 9,699 | $1.04M | 0.00% | +11+0.1% | Added |
| Squarepoint Ops LLC | 10,929 | $1.17M | 0.00% | −11,708−51.7% | Reduced |
| Ensign Peak Advisors, Inc | 11,180 | $1.20M | 0.00% | +1,650+17.3% | Added |
| Brinker Capital Investments, LLC | 10,630 | $1.20M | 0.01% | −1,114−9.5% | Reduced |
| Orion Portfolio Solutions, LLC | 10,630 | $1.20M | 0.01% | −1,114−9.5% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 11,985 | $1.21M | 0.00% | +3,507+41.4% | Added |
| Voya Investment Management LLC | 12,268 | $1.31M | 0.00% | +40+0.3% | Added |
| Susquehanna International Group, LLP | 12,674 | $1.36M | 0.00% | +6,957+121.7% | Added |
| RE Advisers Corp | 12,800 | $1.37M | 0.04% | +6,500+103.2% | Added |
| WoodTrust Financial Corp | 13,732 | $1.47M | 0.25% | +1,350+10.9% | Added |
| D. E. Shaw & Co., Inc. | 13,740 | $1.47M | 0.00% | −95,140−87.4% | Reduced |
| Janus Henderson Group PLC | 14,011 | $1.50M | 0.00% | −23−0.2% | Reduced |
| BNP Paribas Arbitrage, SA | 14,818 | $1.59M | 0.00% | −6,120−29.2% | Reduced |
| American International Group, Inc. | 15,256 | $1.63M | 0.01% | −61−0.4% | Reduced |
| Cubist Systematic Strategies, LLC | 15,289 | $1.64M | 0.02% | +15,289 | New |
| MetLife Investment Management | 16,028 | $1.72M | 0.01% | 00.0% | Unchanged |
| Truist Financial Corp | 16,226 | $1.74M | 0.00% | +1,140+7.6% | Added |
| Winton Group Ltd | 17,297 | $1.85M | 0.13% | +17,297 | New |
| TD Asset Management Inc | 18,704 | $2.00M | 0.00% | −15,200−44.8% | Reduced |
| ClariVest Asset Management LLC | 18,953 | $2.03M | 0.11% | −1,409−6.9% | Reduced |
| McKinley Capital Management LLC /Delaware | 19,940 | $2.13M | 0.27% | +6,870+52.6% | Added |
| UBS Oconnor LLC | 20,347 | $2.18M | 0.07% | −811−3.8% | Reduced |
| Gilder Gagnon Howe & Co LLC | 20,468 | $2.19M | 0.03% | −862−4.0% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 20,500 | $2.19M | 0.03% | +7,867+62.3% | Added |
| Macquarie Group Ltd | 22,641 | $2.42M | 0.00% | +3,293+17.0% | Added |
| Kampmann Melissa S. | 23,140 | $2.48M | 2.12% | +750+3.3% | Added |
| Mutual of America Capital Management LLC | 23,541 | $2.52M | 0.03% | −1,069−4.3% | Reduced |
| Citadel Advisors LLC | 24,135 | $2.58M | 0.00% | +15,851+191.3% | Added |
| Canada Pension Plan Investment Board | 28,200 | $3.02M | 0.00% | +17,100+154.1% | Added |
| State of New Jersey Common Pension Fund D | 29,300 | $3.14M | 0.01% | +6,012+25.8% | Added |
| Royal Bank of Canada | 29,806 | $3.19M | 0.00% | +8,411+39.3% | Added |
| Tudor Investment Corp Et Al | 31,350 | $3.36M | 0.05% | +8,911+39.7% | Added |
| California State Teachers Retirement System | 32,285 | $3.46M | 0.00% | −1,433−4.2% | Reduced |
| Deutsche Bank AG | 33,332 | $3.57M | 0.00% | −154−0.5% | Reduced |
| Baird Financial Group, Inc. | 34,719 | $3.72M | 0.01% | +16,677+92.4% | Added |
| UBS Asset Management Americas Inc | 34,978 | $3.74M | 0.00% | +1,117+3.3% | Added |
| Trexquant Investment LP | 36,329 | $3.89M | 0.09% | +16,700+85.1% | Added |
| UBS Group AG | 36,684 | $3.93M | 0.00% | +4,239+13.1% | Added |
| AXA S.A. | 38,000 | $4.07M | 0.01% | 00.0% | Unchanged |
| Jane Street Group, LLC | 39,195 | $4.20M | 0.01% | −4,119−9.5% | Reduced |
| Ameriprise Financial Inc | 41,775 | $4.47M | 0.00% | −5,722−12.0% | Reduced |
| Rhumbline Advisers | 42,852 | $4.59M | 0.00% | −215−0.5% | Reduced |
| Banque Pictet & Cie SA | 44,088 | $4.72M | 0.05% | +6,993+18.9% | Added |
| Envestnet Asset Management Inc | 45,014 | $4.82M | 0.00% | +11,910+36.0% | Added |
| California Public Employees Retirement System | 46,945 | $5.02M | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 48,198 | $5.16M | 0.00% | +37,249+340.2% | Added |
| Neuberger Berman Group LLC | 49,855 | $5.34M | 0.00% | +12,764+34.4% | Added |
| Wells Fargo & Company | 51,631 | $5.53M | 0.00% | +3,669+7.6% | Added |
| Susquehanna Portfolio Strategies, LLC | 52,722 | $5.64M | 0.10% | +52,722 | New |
| Millennium Management LLC | 54,506 | $5.83M | 0.01% | −10,836−16.6% | Reduced |
| Swiss National Bank | 60,300 | $6.45M | 0.00% | −6,700−10.0% | Reduced |
| Peregrine Capital Management LLC | 69,501 | $7.44M | 0.22% | −12,027−14.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 72,835 | $7.80M | 0.02% | +3,307+4.8% | Added |
| State of Wisconsin Investment Board | 76,837 | $8.22M | 0.02% | +23,587+44.3% | Added |
| C WorldWide Group Holding A/S | 80,000 | $8.56M | 0.11% | 00.0% | Unchanged |
| Eagle Asset Management Inc | 84,570 | $9.05M | 0.05% | +4,102+5.1% | Added |
| Nuveen Asset Management, LLC | 85,103 | $9.11M | 0.00% | −2,219−2.5% | Reduced |
| Silvercrest Asset Management Group LLC | 90,315 | $9.67M | 0.07% | +49,915+123.6% | Added |
| Alberta Investment Management Corp | 94,714 | $10.1M | 0.10% | 00.0% | Unchanged |
| FMR LLC | 117,387 | $12.6M | 0.00% | −734,460−86.2% | Reduced |
| ExodusPoint Capital Management, LP | 127,525 | $13.7M | 0.17% | +86,370+209.9% | Added |
| WCM Investment Management, LLC | 133,195 | $14.5M | 0.04% | +50,673+61.4% | Added |
| Bank of America Corp | 138,194 | $14.8M | 0.00% | +28,192+25.6% | Added |
| First Light Asset Management, LLC | 152,063 | $16.3M | 1.31% | +64,024+72.7% | Added |
| Goldman Sachs Group Inc | 160,728 | $17.2M | 0.00% | −122,635−43.3% | Reduced |
| Manufacturers Life Insurance Company, The | 177,094 | $19.0M | 0.01% | +75,811+74.9% | Added |
| Lord, Abbett & Co. LLC | 183,721 | $19.7M | 0.07% | +2,175+1.2% | Added |
| New York State Common Retirement Fund | 195,704 | $20.9M | 0.03% | −1,237−0.6% | Reduced |
| Legal & General Group Plc | 200,458 | $21.5M | 0.01% | +13,267+7.1% | Added |
| Marshall Wace, LLP | 209,537 | $22.4M | 0.04% | +209,537 | New |
| Wellington Management Group LLP | 217,971 | $23.3M | 0.00% | −1,196−0.5% | Reduced |
| Exchange Traded Concepts, LLC | 218,415 | $23.4M | 0.62% | +7,428+3.5% | Added |
| SEI Investments Co | 219,980 | $23.5M | 0.04% | −6,040−2.7% | Reduced |
| Fred Alger Management, LLC | 229,870 | $24.6M | 0.13% | +214,110+1,358.6% | Added |
| Eventide Asset Management, LLC | 239,135 | $25.6M | 0.42% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 239,659 | $25.7M | 0.01% | +3,486+1.5% | Added |
| Norges Bank | 247,776 | $26.5M | 0.00% | −324,659−56.7% | Reduced |
| Champlain Investment Partners, LLC | 282,090 | $30.2M | 0.18% | +282,090 | New |
| Morgan Stanley | 287,744 | $30.8M | 0.00% | +126,803+78.8% | Added |
| Northern Trust Corp | 289,222 | $31.0M | 0.01% | −7,758−2.6% | Reduced |
| Balyasny Asset Management LLC | 303,410 | $32.5M | 0.09% | +144,135+90.5% | Added |
| Bessemer Group Inc | 323,687 | $34.6M | 0.07% | −74,647−18.7% | Reduced |
| Point72 Asset Management, L.P. | 328,500 | $35.2M | 0.11% | +328,500 | New |
| LTS One Management LP | 350,000 | $37.5M | 8.75% | −424,748−54.8% | Reduced |
| Rock Springs Capital Management LP | 350,750 | $37.5M | 0.93% | 00.0% | Unchanged |
| Stephens Investment Management Group LLC | 359,225 | $38.5M | 0.56% | +53,219+17.4% | Added |