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 |
|---|---|---|---|---|---|
| Oppenheimer Asset Management Inc. | 3,989 | $417.6K | 0.01% | −1,173−22.7% | Reduced |
| Ancora Advisors, LLC | 4,000 | $418.7K | 0.01% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 4,102 | $429.4K | 0.00% | −878−17.6% | Reduced |
| Captrust Financial Advisors | 4,172 | $436.7K | 0.00% | +284+7.3% | Added |
| Bayforest Capital Ltd | 4,213 | $441.0K | 0.19% | +2,549+153.2% | Added |
| Gsa Capital Partners LLP | 4,305 | $451.0K | 0.04% | +1,908+79.6% | Added |
| Hennion & Walsh Asset Management, Inc. | 4,458 | $466.7K | 0.02% | −48−1.1% | Reduced |
| HSBC Holdings PLC | 4,590 | $474.2K | 0.00% | +138+3.1% | Added |
| Teacher Retirement System of Texas | 4,575 | $478.9K | 0.00% | +4,575 | New |
| Yarbrough Capital, LLC | 4,650 | $486.8K | 0.02% | +4,650 | New |
| Pictet Asset Management Holding SA | 5,122 | $536.2K | 0.00% | +1,538+42.9% | Added |
| Petrus Trust Company, LTA | 5,455 | $571.0K | 0.05% | +5,455 | New |
| Natixis | 6,000 | $616.8K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 6,000 | $628.1K | 0.00% | −600−9.1% | Reduced |
| Values First Advisors, Inc. | 6,203 | $649.6K | 0.38% | +615+11.0% | Added |
| Scientech Research LLC | 6,505 | $680.9K | 0.18% | +6,505 | New |
| Police & Firemen's Retirement System of New Jersey | 6,716 | $703.0K | 0.01% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 6,830 | $715.0K | 0.01% | −1,783−20.7% | Reduced |
| CIBC World Markets Corp | 6,937 | $726.2K | 0.01% | +4,012+137.2% | Added |
| ProShare Advisors LLC | 6,953 | $727.8K | 0.00% | −2,035−22.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 7,165 | $750.0K | 0.00% | −130−1.8% | Reduced |
| Steel Peak Wealth Management LLC | 7,488 | $783.8K | 0.03% | +7,488 | New |
| Royal Bank of Canada | 7,573 | $793.0K | 0.00% | +6,125+423.0% | Added |
| HighTower Advisors, LLC | 7,598 | $795.4K | 0.00% | −9−0.1% | Reduced |
| Synovus Financial Corp | 7,742 | $810.4K | 0.01% | −1,059−12.0% | Reduced |
| AQR Capital Management LLC | 8,303 | $869.2K | 0.00% | +23+0.3% | Added |
| Ascent Group, LLC | 8,390 | $878.3K | 0.04% | +280+3.5% | Added |
| Voya Investment Management LLC | 8,399 | $879.2K | 0.00% | −1,008−10.7% | Reduced |
| SG Americas Securities, LLC | 8,427 | $882.0K | 0.00% | +4,119+95.6% | Added |
| Creative Planning | 8,542 | $894.2K | 0.00% | +4,463+109.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,700 | $910.7K | 0.00% | +502+6.1% | Added |
| Diversified Trust Co | 8,944 | $936.3K | 0.02% | +668+8.1% | Added |
| Arizona State Retirement System | 8,959 | $937.8K | 0.01% | −88−1.0% | Reduced |
| Abn Amro Investment Solutions | 9,017 | $943.9K | 0.02% | +3,778+72.1% | Added |
| State Board of Administration of Florida Retirement System | 9,087 | $951.2K | 0.00% | 00.0% | Unchanged |
| Truist Financial Corp | 10,128 | $1.06M | 0.00% | −2,671−20.9% | Reduced |
| Semanteon Capital Management, LP | 10,311 | $1.08M | 0.59% | +10,311 | New |
| Ensign Peak Advisors, Inc | 10,643 | $1.11M | 0.00% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 10,653 | $1.12M | 0.00% | −100,849−90.4% | Reduced |
| WoodTrust Financial Corp | 10,675 | $1.12M | 0.16% | −382−3.5% | Reduced |
| Cim Investment Mangement Inc | 11,530 | $1.12M | 0.26% | +5,696+97.6% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 12,421 | $1.30M | 0.00% | +12,421 | New |
| Handelsbanken Fonder AB | 12,639 | $1.32M | 0.01% | +1,800+16.6% | Added |
| Algert Global LLC | 13,043 | $1.37M | 0.03% | −6,600−33.6% | Reduced |
| UBS Oconnor LLC | 13,506 | $1.41M | 0.03% | −5,685−29.6% | Reduced |
| Janus Henderson Group PLC | 13,856 | $1.45M | 0.00% | 00.0% | Unchanged |
| Holocene Advisors, LP | 14,747 | $1.54M | 0.00% | −71,106−82.8% | Reduced |
| Granahan Investment Management Inc | 14,772 | $1.55M | 0.08% | −30,958−67.7% | Reduced |
| Corebridge Financial, Inc. | 15,316 | $1.60M | 0.01% | −227−1.5% | Reduced |
| Group One Trading, L.P. | 15,855 | $1.66M | 0.07% | −4,515−22.2% | Reduced |
| State of New Jersey Common Pension Fund D | 16,273 | $1.70M | 0.01% | −11,542−41.5% | Reduced |
| Brevan Howard Capital Management LP | 17,122 | $1.79M | 0.05% | +17,122 | New |
| Intech Investment Management LLC | 17,484 | $1.83M | 0.02% | +2,557+17.1% | Added |
| Kennedy Capital Management, Inc. | 17,759 | $1.86M | 0.04% | +17,759 | New |
| Aquatic Capital Management LLC | 18,532 | $1.94M | 0.05% | +14,367+344.9% | Added |
| MetLife Investment Management | 18,550 | $1.94M | 0.01% | −592−3.1% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 20,500 | $2.15M | 0.02% | 00.0% | Unchanged |
| HealthInvest Partners AB | 20,547 | $2.15M | 0.95% | +20,547 | New |
| Mutual of America Capital Management LLC | 20,727 | $2.17M | 0.02% | +69+0.3% | Added |
| Trexquant Investment LP | 20,791 | $2.18M | 0.03% | +20,791 | New |
| Russell Investments Group, Ltd. | 20,847 | $2.18M | 0.00% | −1,418−6.4% | Reduced |
| Jefferies Financial Group Inc. | 21,844 | $2.29M | 0.04% | +21,844 | New |
| DLD Asset Management, LP | 21,960 | $2.30M | 0.33% | −12,240−35.8% | Reduced |
| Renaissance Technologies LLC | 22,100 | $2.31M | 0.00% | +22,100 | New |
| Invesco Ltd. | 22,216 | $2.33M | 0.00% | +3,016+15.7% | Added |
| Price T Rowe Associates Inc | 22,907 | $2.40M | 0.00% | +2,059+9.9% | Added |
| Wells Fargo & Company | 23,993 | $2.51M | 0.00% | +3,021+14.4% | Added |
| Fieldview Capital Management, LLC | 24,203 | $2.53M | 0.36% | +24,203 | New |
| Kampmann Melissa S. | 25,025 | $2.62M | 2.07% | +1,100+4.6% | Added |
| California State Teachers Retirement System | 28,818 | $3.02M | 0.00% | −400−1.4% | Reduced |
| Squarepoint Ops LLC | 29,959 | $3.14M | 0.01% | +7,694+34.6% | Added |
| RE Advisers Corp | 32,400 | $3.39M | 0.08% | +4,300+15.3% | Added |
| First Trust Advisors LP | 33,860 | $3.54M | 0.00% | +33,860 | New |
| EFG Asset Management (North America) Corp. | 34,808 | $3.64M | 0.60% | +6,378+22.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 35,271 | $3.69M | 0.01% | +922+2.7% | Added |
| Envestnet Asset Management Inc | 35,816 | $3.75M | 0.00% | +19,447+118.8% | Added |
| Alliancebernstein L.P. | 36,847 | $3.86M | 0.00% | −2,870−7.2% | Reduced |
| Cinctive Capital Management LP | 37,260 | $3.90M | 0.31% | +29,119+357.7% | Added |
| Susquehanna Fundamental Investments, LLC | 42,414 | $4.44M | 0.07% | +550+1.3% | Added |
| Legal & General Group Plc | 42,911 | $4.49M | 0.00% | −2,015−4.5% | Reduced |
| Cubist Systematic Strategies, LLC | 43,717 | $4.58M | 0.06% | +43,717 | New |
| Jane Street Group, LLC | 45,753 | $4.79M | 0.01% | +16,309+55.4% | Added |
| Rhumbline Advisers | 45,946 | $4.81M | 0.00% | +2,995+7.0% | Added |
| Banque Pictet & Cie SA | 46,545 | $4.87M | 0.05% | −12,719−21.5% | Reduced |
| Castleark Management LLC | 48,290 | $5.05M | 0.18% | +48,290 | New |
| Polar Capital Holdings Plc | 49,773 | $5.21M | 0.03% | 00.0% | Unchanged |
| Principal Financial Group Inc | 50,449 | $5.28M | 0.00% | +47,785+1,793.7% | Added |
| Harbor Capital Advisors, Inc. | 54,233 | $5.68M | 0.26% | −30,714−36.2% | Reduced |
| Engineers Gate Manager LP | 54,576 | $5.71M | 0.10% | −7,368−11.9% | Reduced |
| Macquarie Group Ltd | 54,917 | $5.75M | 0.01% | +24,520+80.7% | Added |
| Susquehanna International Group, LLP | 55,108 | $5.77M | 0.01% | +28,886+110.2% | Added |
| Redmile Group, LLC | 56,844 | $5.95M | 0.56% | +56,844 | New |
| Swiss National Bank | 60,700 | $6.35M | 0.00% | −700−1.1% | Reduced |
| Comerica Bank | 62,228 | $6.51M | 0.03% | −11,982−16.1% | Reduced |
| Ameriprise Financial Inc | 68,677 | $7.19M | 0.00% | −2,577−3.6% | Reduced |
| Point72 (DIFC) Ltd | 72,129 | $7.55M | 0.73% | +72,129 | New |
| State of Wisconsin Investment Board | 75,040 | $7.86M | 0.02% | +624+0.8% | Added |
| C WorldWide Group Holding A/S | 80,000 | $8.37M | 0.10% | 00.0% | Unchanged |
| Peregrine Capital Management LLC | 83,055 | $8.69M | 0.29% | −16,098−16.2% | Reduced |
| Nuveen, LLC | 92,729 | $9.71M | 0.00% | +92,729 | New |