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 2024
Institutional positions in iRhythm Holdings, Inc. as of Mar 31, 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
- 253
- +31 vs. Q4 2023
- Shares held
- 34.5M
- +1.56M (+4.7%) vs. Q4 2023
- Total value
- $4.00B
- +$475.7M (+13.5%) vs. Q4 2023
- New holders
- 52
- 77 more added
- Sold out
- 21
- 90 more reduced
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Victory Capital Management Inc | 4,004 | $464.5K | 0.00% | −66−1.6% | Reduced |
| O'Shaughnessy Asset Management, LLC | 4,073 | $472.5K | 0.01% | +30+0.7% | Added |
| CIBC Private Wealth Group, LLC | 4,099 | $473.6K | 0.00% | −15−0.4% | Reduced |
| Quarry LP | 4,115 | $477.3K | 0.20% | +4,115 | New |
| Aristeia Capital LLC | 4,350 | $504.6K | 0.02% | +4,350 | New |
| HSBC Holdings PLC | 4,358 | $505.4K | 0.00% | +4,358 | New |
| Harbor Capital Advisors, Inc. | 4,502 | $522.0K | 0.07% | +4,502 | New |
| Cim Investment Mangement Inc | 4,735 | $549.3K | 0.16% | 00.0% | Unchanged |
| Weiss Asset Management LP | 4,900 | $568.4K | 0.03% | +4,900 | New |
| Diversified Trust Co | 4,934 | $572.3K | 0.02% | +2,950+148.7% | Added |
| Jump Financial, LLC | 5,420 | $628.7K | 0.02% | +5,420 | New |
| ProShare Advisors LLC | 5,514 | $639.6K | 0.00% | +433+8.5% | Added |
| Abn Amro Investment Solutions | 5,562 | $645.2K | 0.01% | −1,537−21.7% | Reduced |
| Franklin Resources Inc | 5,986 | $694.4K | 0.00% | −1,299−17.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,033 | $699.8K | 0.00% | −281−4.5% | Reduced |
| Engineers Gate Manager LP | 6,103 | $707.9K | 0.02% | +2,005+48.9% | Added |
| Bridgewater Associates, LP | 6,129 | $711.0K | 0.00% | −1,135−15.6% | Reduced |
| Synovus Financial Corp | 6,717 | $779.2K | 0.01% | +6,717 | New |
| XTX Topco Ltd | 7,050 | $817.8K | 0.11% | +3,033+75.5% | Added |
| Handelsbanken Fonder AB | 7,239 | $840.0K | 0.00% | +1,000+16.0% | Added |
| Oppenheimer Asset Management Inc. | 7,427 | $861.5K | 0.01% | −266−3.5% | Reduced |
| Duality Advisers, LP | 8,231 | $954.8K | 0.09% | −734−8.2% | Reduced |
| Algert Global LLC | 8,282 | $960.7K | 0.04% | +270+3.4% | Added |
| Arizona State Retirement System | 8,424 | $977.2K | 0.01% | −125−1.5% | Reduced |
| Assetmark, Inc | 8,561 | $993.1K | 0.00% | +1,755+25.8% | Added |
| Stifel Financial Corp | 9,094 | $1.05M | 0.00% | +621+7.3% | Added |
| Capstone Investment Advisors, LLC | 9,289 | $1.08M | 0.02% | +9,289 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 9,438 | $1.09M | 0.00% | −2,547−21.3% | Reduced |
| Man Group plc | 9,724 | $1.13M | 0.00% | +9,724 | New |
| State Board of Administration of Florida Retirement System | 9,157 | $1.14M | 0.00% | +400+4.6% | Added |
| Voya Investment Management LLC | 10,012 | $1.16M | 0.00% | −2,256−18.4% | Reduced |
| Assenagon Asset Management S.A. | 10,618 | $1.23M | 0.00% | +919+9.5% | Added |
| Ensign Peak Advisors, Inc | 10,643 | $1.23M | 0.00% | −537−4.8% | Reduced |
| ClariVest Asset Management LLC | 10,964 | $1.27M | 0.13% | −7,989−42.2% | Reduced |
| Brinker Capital Investments, LLC | 11,502 | $1.33M | 0.01% | +872+8.2% | Added |
| Orion Portfolio Solutions, LLC | 11,502 | $1.33M | 0.01% | +872+8.2% | Added |
| First Trust Advisors LP | 12,929 | $1.50M | 0.00% | +8,510+192.6% | Added |
| Janus Henderson Group PLC | 14,012 | $1.62M | 0.00% | +10.0% | Added |
| WoodTrust Financial Corp | 14,232 | $1.65M | 0.26% | +500+3.6% | Added |
| Truist Financial Corp | 14,428 | $1.67M | 0.00% | −1,798−11.1% | Reduced |
| American International Group, Inc. | 15,127 | $1.75M | 0.01% | −129−0.8% | Reduced |
| MetLife Investment Management | 15,637 | $1.81M | 0.01% | −391−2.4% | Reduced |
| Jefferies Financial Group Inc. | 15,945 | $1.85M | 0.04% | +15,945 | New |
| Canada Pension Plan Investment Board | 16,000 | $1.86M | 0.00% | −12,200−43.3% | Reduced |
| Citigroup Inc | 16,095 | $1.87M | 0.00% | +9,490+143.7% | Added |
| BNP Paribas Arbitrage, SA | 16,176 | $1.88M | 0.00% | +1,358+9.2% | Added |
| Daiwa Securities Group Inc. | 16,600 | $1.93M | 0.01% | +16,600 | New |
| Tenor Capital Management Co., L.P. | 16,600 | $1.93M | 0.03% | +16,600 | New |
| Moore Capital Management, LP | 16,600 | $1.93M | 0.04% | +16,600 | New |
| DeepCurrents Investment Group LLC | 16,600 | $1.93M | 0.08% | +16,600 | New |
| RE Advisers Corp | 16,900 | $1.96M | 0.05% | +4,100+32.0% | Added |
| UBS Oconnor LLC | 18,947 | $2.20M | 0.06% | −1,400−6.9% | Reduced |
| Cubist Systematic Strategies, LLC | 19,030 | $2.21M | 0.03% | +3,741+24.5% | Added |
| Royal Bank of Canada | 19,183 | $2.23M | 0.00% | −10,623−35.6% | Reduced |
| Two Sigma Investments, LP | 19,900 | $2.31M | 0.01% | +19,900 | New |
| LMR Partners LLP | 19,900 | $2.31M | 0.06% | +19,900 | New |
| McKinley Capital Management LLC /Delaware | 19,940 | $2.31M | 0.28% | 00.0% | Unchanged |
| B. Metzler seel. Sohn & Co. AG | 20,500 | $2.38M | 0.03% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 21,774 | $2.53M | 0.03% | −1,767−7.5% | Reduced |
| Trexquant Investment LP | 22,069 | $2.56M | 0.05% | −14,260−39.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 25,000 | $2.90M | 0.01% | +25,000 | New |
| Kampmann Melissa S. | 26,140 | $3.03M | 2.18% | +3,000+13.0% | Added |
| State of New Jersey Common Pension Fund D | 26,276 | $3.05M | 0.01% | −3,024−10.3% | Reduced |
| Shaolin Capital Management LLC | 29,900 | $3.47M | 0.12% | +29,900 | New |
| California State Teachers Retirement System | 30,650 | $3.56M | 0.00% | −1,635−5.1% | Reduced |
| Polar Asset Management Partners Inc. | 30,800 | $3.57M | 0.10% | +30,800 | New |
| Formula Growth Ltd | 31,979 | $3.71M | 1.19% | +31,979 | New |
| AXA S.A. | 32,987 | $3.83M | 0.01% | −5,013−13.2% | Reduced |
| Steelhead Partners LLC | 33,200 | $3.85M | 0.20% | +33,200 | New |
| UBS Asset Management Americas Inc | 34,098 | $3.96M | 0.00% | −880−2.5% | Reduced |
| Barclays PLC | 36,509 | $4.24M | 0.00% | −11,689−24.3% | Reduced |
| UBS Group AG | 38,486 | $4.46M | 0.00% | +1,802+4.9% | Added |
| Comerica Bank | 38,963 | $4.52M | 0.02% | +38,204+5,033.5% | Added |
| Ameriprise Financial Inc | 40,109 | $4.65M | 0.00% | −1,666−4.0% | Reduced |
| Banque Pictet & Cie SA | 40,308 | $4.68M | 0.05% | −3,780−8.6% | Reduced |
| Baird Financial Group, Inc. | 41,762 | $4.84M | 0.01% | +7,043+20.3% | Added |
| Rhumbline Advisers | 43,472 | $5.04M | 0.00% | +620+1.4% | Added |
| California Public Employees Retirement System | 44,152 | $5.12M | 0.00% | −2,793−5.9% | Reduced |
| Bamco Inc | 45,000 | $5.22M | 0.01% | +45,000 | New |
| Gilder Gagnon Howe & Co LLC | 45,994 | $5.34M | 0.07% | +25,526+124.7% | Added |
| Envestnet Asset Management Inc | 46,881 | $5.44M | 0.00% | +1,867+4.1% | Added |
| Tudor Investment Corp Et Al | 48,545 | $5.63M | 0.07% | +17,195+54.8% | Added |
| ExodusPoint Capital Management, LP | 49,866 | $5.78M | 0.07% | −77,659−60.9% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 52,722 | $6.12M | 0.14% | 00.0% | Unchanged |
| Deutsche Bank AG | 54,071 | $6.27M | 0.00% | +20,739+62.2% | Added |
| Wells Fargo & Company | 54,305 | $6.30M | 0.00% | +2,674+5.2% | Added |
| Macquarie Group Ltd | 58,785 | $6.82M | 0.01% | +36,144+159.6% | Added |
| Swiss National Bank | 60,500 | $7.02M | 0.00% | +200+0.3% | Added |
| Principal Financial Group Inc | 62,592 | $7.26M | 0.00% | +55,384+768.4% | Added |
| Polar Capital Holdings Plc | 63,476 | $7.36M | 0.04% | +60,329+1,917.0% | Added |
| State of Wisconsin Investment Board | 68,455 | $7.94M | 0.02% | −8,382−10.9% | Reduced |
| Peregrine Capital Management LLC | 68,846 | $7.99M | 0.23% | −655−0.9% | Reduced |
| C WorldWide Group Holding A/S | 80,000 | $9.28M | 0.11% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 78,111 | $9.36M | 0.02% | +5,276+7.2% | Added |
| Eagle Asset Management Inc | 81,566 | $9.42M | 0.05% | −3,004−3.6% | Reduced |
| Neuberger Berman Group LLC | 89,609 | $10.4M | 0.01% | +39,754+79.7% | Added |
| Silvercrest Asset Management Group LLC | 94,653 | $11.0M | 0.07% | +4,338+4.8% | Added |
| Alberta Investment Management Corp | 94,714 | $11.0M | 0.11% | 00.0% | Unchanged |
| Segall Bryant & Hamill, LLC | 102,376 | $11.9M | 0.22% | +102,376 | New |
| Jane Street Group, LLC | 106,905 | $12.4M | 0.02% | +67,710+172.8% | Added |