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 2024
Institutional positions in iRhythm Holdings, Inc. as of Sep 30, 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
- 242
- +17 vs. Q2 2024
- Shares held
- 34.3M
- +1.27M (+3.9%) vs. Q2 2024
- Total value
- $2.55B
- −$1.01B (−28.4%) vs. Q2 2024
- New holders
- 49
- 87 more added
- Sold out
- 32
- 70 more reduced
3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 3,117,928 | $231.5M | 0.00% | +136,307+4.6% | Added |
| Artisan Partners Limited Partnership | 2,780,259 | $206.4M | 0.31% | +94,974+3.5% | Added |
| BlackRock, Inc. | 2,559,645 | $190.0M | 0.00% | +2,559,645 | New |
| Sands Capital Management, LLC | 2,122,891 | $157.6M | 0.48% | −3,112−0.1% | Reduced |
| Capital Research Global Investors | 1,955,000 | $145.1M | 0.03% | −539,439−21.6% | Reduced |
| Mackenzie Financial Corp | 1,419,834 | $105.4M | 0.15% | −8,490−0.6% | Reduced |
| Alliancebernstein L.P. | 1,212,471 | $90.0M | 0.03% | −55,425−4.4% | Reduced |
| JPMorgan Chase & Co | 939,674 | $69.8M | 0.01% | −7,648−0.8% | Reduced |
| State Street Corp | 908,843 | $67.5M | 0.00% | +11,992+1.3% | Added |
| Braidwell LP | 782,557 | $58.1M | 1.65% | +256,200+48.7% | Added |
| Eventide Asset Management, LLC | 736,721 | $54.7M | 0.94% | +464,629+170.8% | Added |
| Geode Capital Management, LLC | 733,308 | $54.5M | 0.00% | +5,423+0.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 707,175 | $52.5M | 0.13% | +195,246+38.1% | Added |
| Champlain Investment Partners, LLC | 667,101 | $49.5M | 0.30% | −72,164−9.8% | Reduced |
| Blair William & Co | 644,441 | $47.8M | 0.14% | −154,639−19.4% | Reduced |
| Westfield Capital Management Co LP | 528,291 | $39.2M | 0.18% | −80,789−13.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 519,973 | $38.6M | 0.06% | +44,387+9.3% | Added |
| Slate Path Capital LP | 510,500 | $37.9M | 0.64% | 00.0% | Unchanged |
| Bank of America Corp | 411,551 | $30.6M | 0.00% | +57,416+16.2% | Added |
| Stephens Investment Management Group LLC | 400,325 | $29.7M | 0.41% | −20,282−4.8% | Reduced |
| Bank of New York Mellon Corp | 398,894 | $29.6M | 0.01% | −2,115−0.5% | Reduced |
| Rock Springs Capital Management LP | 397,500 | $29.5M | 0.96% | 00.0% | Unchanged |
| FMR LLC | 388,074 | $28.8M | 0.00% | +25,385+7.0% | Added |
| Fiera Capital Corp | 381,644 | $28.3M | 0.09% | −11,553−2.9% | Reduced |
| Alyeska Investment Group, L.P. | 378,616 | $28.1M | 0.14% | +67,875+21.8% | Added |
| UBS Asset Management Americas Inc | 363,526 | $27.0M | 0.01% | −22,503−5.8% | Reduced |
| Schroder Investment Management Group | 326,400 | $24.2M | 0.02% | +12,487+4.0% | Added |
| Fred Alger Management, LLC | 314,117 | $23.3M | 0.11% | +61,696+24.4% | Added |
| Morgan Stanley | 308,623 | $22.9M | 0.00% | −45,883−12.9% | Reduced |
| SEI Investments Co | 300,295 | $22.3M | 0.03% | +20,272+7.2% | Added |
| Point72 Asset Management, L.P. | 272,082 | $20.2M | 0.07% | −264,120−49.3% | Reduced |
| Northern Trust Corp | 268,518 | $19.9M | 0.00% | +1,807+0.7% | Added |
| Bessemer Group Inc | 268,281 | $19.9M | 0.03% | +300.0% | Added |
| Millennium Management LLC | 264,500 | $19.6M | 0.02% | −231,475−46.7% | Reduced |
| Charles Schwab Investment Management Inc | 255,703 | $19.0M | 0.00% | +4,173+1.7% | Added |
| New York State Common Retirement Fund | 216,203 | $16.1M | 0.02% | −11,998−5.3% | Reduced |
| Wellington Management Group LLP | 213,949 | $15.9M | 0.00% | +12,478+6.2% | Added |
| Barclays PLC | 209,247 | $15.5M | 0.01% | +53,498+34.3% | Added |
| Deutsche Bank AG | 204,826 | $15.2M | 0.01% | +3,797+1.9% | Added |
| Citigroup Inc | 199,661 | $14.8M | 0.01% | −6,247−3.0% | Reduced |
| Manufacturers Life Insurance Company, The | 196,423 | $14.6M | 0.01% | +13,377+7.3% | Added |
| Goldman Sachs Group Inc | 188,342 | $14.0M | 0.00% | +3,215+1.7% | Added |
| Holocene Advisors, LP | 180,985 | $13.4M | 0.05% | −861,685−82.6% | Reduced |
| Balyasny Asset Management LLC | 143,611 | $10.7M | 0.03% | +104,163+264.1% | Added |
| WCM Investment Management, LLC | 141,133 | $10.3M | 0.02% | −142−0.1% | Reduced |
| Segall Bryant & Hamill, LLC | 132,602 | $9.84M | 0.13% | +2,742+2.1% | Added |
| Loomis Sayles & Co L P | 118,502 | $8.80M | 0.01% | −251,988−68.0% | Reduced |
| Eagle Asset Management Inc | 100,655 | $8.70M | 0.04% | +31,193+44.9% | Added |
| Neuberger Berman Group LLC | 101,180 | $7.51M | 0.01% | −8,240−7.5% | Reduced |
| Jane Street Group, LLC | 100,262 | $7.44M | 0.01% | +3,235+3.3% | Added |
| Peregrine Capital Management LLC | 98,043 | $7.28M | 0.22% | +16,491+20.2% | Added |
| Nuveen Asset Management, LLC | 97,124 | $7.21M | 0.00% | −61,703−38.8% | Reduced |
| Silvercrest Asset Management Group LLC | 95,484 | $7.09M | 0.05% | −544−0.6% | Reduced |
| Alberta Investment Management Corp | 94,714 | $7.03M | 0.06% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 93,300 | $6.93M | 0.17% | +20,700+28.5% | Added |
| Cubist Systematic Strategies, LLC | 88,863 | $6.60M | 0.10% | +88,863 | New |
| Marshall Wace, LLP | 86,763 | $6.44M | 0.01% | +86,763 | New |
| Altium Capital Management LP | 86,000 | $6.38M | 1.90% | +86,000 | New |
| Gilder Gagnon Howe & Co LLC | 80,759 | $6.00M | 0.07% | −45,636−36.1% | Reduced |
| Susquehanna International Group, LLP | 80,720 | $5.99M | 0.01% | +78,477+3,498.8% | Added |
| C WorldWide Group Holding A/S | 80,000 | $5.94M | 0.06% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 79,938 | $5.93M | 0.26% | +58,448+272.0% | Added |
| Amundi | 94,967 | $5.72M | 0.00% | +93,207+5,295.9% | Added |
| Frontier Capital Management Co LLC | 76,404 | $5.67M | 0.05% | +76,404 | New |
| Granahan Investment Management Inc | 72,428 | $5.38M | 0.21% | +72,428 | New |
| Engineers Gate Manager LP | 72,309 | $5.37M | 0.10% | +72,309 | New |
| State of Wisconsin Investment Board | 70,580 | $5.24M | 0.01% | +669+1.0% | Added |
| Ameriprise Financial Inc | 62,726 | $4.66M | 0.00% | +2,213+3.7% | Added |
| Western Standard LLC | 61,082 | $4.53M | 4.25% | +61,082 | New |
| Swiss National Bank | 60,700 | $4.51M | 0.00% | −600−1.0% | Reduced |
| DLD Asset Management, LP | 57,750 | $4.29M | 0.69% | +13,600+30.8% | Added |
| Polar Capital Holdings Plc | 57,165 | $4.24M | 0.02% | −19,566−25.5% | Reduced |
| Citadel Advisors LLC | 55,046 | $4.09M | 0.00% | −109,140−66.5% | Reduced |
| Wells Fargo & Company | 52,734 | $3.91M | 0.00% | −4,572−8.0% | Reduced |
| Banque Pictet & Cie SA | 52,568 | $3.90M | 0.04% | +13,464+34.4% | Added |
| Envestnet Asset Management Inc | 51,213 | $3.80M | 0.00% | −1,396−2.7% | Reduced |
| Legal & General Group Plc | 46,467 | $3.45M | 0.00% | +4,883+11.7% | Added |
| Jump Financial, LLC | 44,928 | $3.34M | 0.07% | +39,995+810.8% | Added |
| Rhumbline Advisers | 43,470 | $3.23M | 0.00% | −2,211−4.8% | Reduced |
| UBS Group AG | 41,639 | $3.09M | 0.00% | +17,001+69.0% | Added |
| Comerica Bank | 38,523 | $2.86M | 0.01% | −6,615−14.7% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 36,499 | $2.71M | 0.19% | −9,521−20.7% | Reduced |
| Squarepoint Ops LLC | 32,745 | $2.43M | 0.01% | +24,568+300.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 32,606 | $2.42M | 0.01% | −136−0.4% | Reduced |
| AXA S.A. | 32,473 | $2.41M | 0.01% | −514−1.6% | Reduced |
| Macquarie Group Ltd | 31,007 | $2.30M | 0.00% | +5,314+20.7% | Added |
| California State Teachers Retirement System | 29,435 | $2.19M | 0.00% | −942−3.1% | Reduced |
| State of New Jersey Common Pension Fund D | 28,414 | $2.11M | 0.01% | +6,975+32.5% | Added |
| Kampmann Melissa S. | 26,115 | $1.94M | 1.37% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 24,851 | $1.84M | 0.00% | +11,188+81.9% | Added |
| UBS Oconnor LLC | 24,726 | $1.84M | 0.05% | +6,379+34.8% | Added |
| Twinbeech Capital LP | 24,281 | $1.80M | 0.03% | +24,281 | New |
| Royal Bank of Canada | 23,359 | $1.73M | 0.00% | +890+4.0% | Added |
| Price T Rowe Associates Inc | 23,126 | $1.72M | 0.00% | −193,633−89.3% | Reduced |
| Perceptive Advisors LLC | 22,591 | $1.68M | 0.04% | −12,614−35.8% | Reduced |
| Simplex Trading, LLC | 21,805 | $1.62M | 0.05% | +20,022+1,122.9% | Added |
| RE Advisers Corp | 21,300 | $1.58M | 0.04% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 20,676 | $1.53M | 0.02% | −194−0.9% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 20,500 | $1.52M | 0.02% | 00.0% | Unchanged |
| B. Metzler seel. Sohn & Co. Holding AG | 20,500 | $1.52M | 0.02% | +20,500 | New |