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 2024
Institutional positions in iRhythm Holdings, Inc. as of Dec 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
- 227
- −11 vs. Q3 2024
- Shares held
- 34.3M
- +151.6K (+0.4%) vs. Q3 2024
- Total value
- $3.09B
- +$559.1M (+22.0%) vs. Q3 2024
- New holders
- 41
- 71 more added
- Sold out
- 52
- 83 more reduced
4 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sands Capital Management, LLC | 3,176,702 | $286.4M | 0.85% | +1,053,811+49.6% | Added |
| Vanguard Group Inc | 3,136,370 | $282.8M | 0.00% | +18,442+0.6% | Added |
| Artisan Partners Limited Partnership | 2,762,734 | $249.1M | 0.38% | −17,525−0.6% | Reduced |
| BlackRock, Inc. | 2,728,856 | $246.1M | 0.00% | +169,211+6.6% | Added |
| Capital Research Global Investors | 1,637,026 | $147.6M | 0.03% | −317,974−16.3% | Reduced |
| Mackenzie Financial Corp | 1,381,942 | $124.6M | 0.17% | −37,892−2.7% | Reduced |
| State Street Corp | 948,781 | $85.6M | 0.00% | +39,938+4.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 900,116 | $81.2M | 0.20% | +192,941+27.3% | Added |
| Westfield Capital Management Co LP | 765,253 | $69.0M | 0.30% | +236,962+44.9% | Added |
| Eventide Asset Management, LLC | 739,410 | $66.7M | 1.21% | +2,689+0.4% | Added |
| Geode Capital Management, LLC | 731,467 | $66.0M | 0.01% | −1,841−0.3% | Reduced |
| Champlain Investment Partners, LLC | 726,262 | $65.5M | 0.41% | +59,161+8.9% | Added |
| JPMorgan Chase & Co | 706,806 | $63.7M | 0.01% | −232,868−24.8% | Reduced |
| Braidwell LP | 705,391 | $63.6M | 1.89% | −77,166−9.9% | Reduced |
| Blair William & Co | 604,737 | $54.5M | 0.16% | −39,704−6.2% | Reduced |
| Bessemer Group Inc | 568,007 | $51.2M | 0.08% | +299,726+111.7% | Added |
| Allspring Global Investments Holdings, LLC | 570,048 | $51.0M | 0.08% | +50,075+9.6% | Added |
| Slate Path Capital LP | 510,500 | $46.0M | 0.83% | 00.0% | Unchanged |
| Stephens Investment Management Group LLC | 502,925 | $45.3M | 0.61% | +102,600+25.6% | Added |
| Bank of New York Mellon Corp | 491,485 | $44.3M | 0.01% | +92,591+23.2% | Added |
| FMR LLC | 475,405 | $42.9M | 0.00% | +87,331+22.5% | Added |
| First Light Asset Management, LLC | 430,500 | $38.8M | 3.71% | +430,500 | New |
| Ophir Asset Management Pty Ltd | 427,402 | $38.5M | 5.74% | +427,402 | New |
| Rock Springs Capital Management LP | 397,500 | $35.8M | 1.36% | 00.0% | Unchanged |
| Frontier Capital Management Co LLC | 355,147 | $32.0M | 0.30% | +278,743+364.8% | Added |
| Alyeska Investment Group, L.P. | 351,745 | $31.7M | 0.12% | −26,871−7.1% | Reduced |
| UBS Asset Management Americas Inc | 334,823 | $30.2M | 0.01% | −28,703−7.9% | Reduced |
| Goldman Sachs Group Inc | 324,839 | $29.3M | 0.01% | +136,497+72.5% | Added |
| SEI Investments Co | 318,653 | $28.7M | 0.04% | +18,358+6.1% | Added |
| Schroder Investment Management Group | 308,338 | $27.8M | 0.03% | −18,062−5.5% | Reduced |
| Citadel Advisors LLC | 303,056 | $27.3M | 0.03% | +248,010+450.6% | Added |
| Northern Trust Corp | 287,334 | $25.9M | 0.00% | +18,816+7.0% | Added |
| Fred Alger Management, LLC | 272,773 | $24.6M | 0.12% | −41,344−13.2% | Reduced |
| Charles Schwab Investment Management Inc | 259,494 | $23.4M | 0.00% | +3,791+1.5% | Added |
| Bank of America Corp | 252,468 | $22.8M | 0.00% | −159,083−38.7% | Reduced |
| Morgan Stanley | 251,764 | $22.7M | 0.00% | −56,859−18.4% | Reduced |
| Wellington Management Group LLP | 233,840 | $21.1M | 0.00% | +19,891+9.3% | Added |
| Barclays PLC | 215,511 | $19.4M | 0.01% | +6,264+3.0% | Added |
| Deutsche Bank AG | 204,945 | $18.5M | 0.01% | +119+0.1% | Added |
| Manufacturers Life Insurance Company, The | 195,919 | $17.7M | 0.02% | −504−0.3% | Reduced |
| Citigroup Inc | 190,198 | $17.2M | 0.02% | −9,463−4.7% | Reduced |
| UBS Group AG | 170,595 | $15.4M | 0.00% | +128,956+309.7% | Added |
| Deerfield Management Company, L.P. (Series C) | 156,012 | $14.1M | 0.27% | +156,012 | New |
| Alberta Investment Management Corp | 145,166 | $13.1M | 0.09% | +50,452+53.3% | Added |
| Segall Bryant & Hamill, LLC | 139,391 | $12.6M | 0.17% | +6,789+5.1% | Added |
| WCM Investment Management, LLC | 138,202 | $12.0M | 0.03% | −2,931−2.1% | Reduced |
| New York State Common Retirement Fund | 127,579 | $11.5M | 0.02% | −88,624−41.0% | Reduced |
| Balyasny Asset Management LLC | 111,502 | $10.1M | 0.02% | −32,109−22.4% | Reduced |
| Amundi | 102,908 | $9.57M | 0.00% | +7,941+8.4% | Added |
| Raymond James Financial Inc | 101,487 | $9.15M | 0.00% | +101,487 | New |
| Adage Capital Partners GP, L.L.C. | 100,000 | $9.02M | 0.02% | +100,000 | New |
| Peregrine Capital Management LLC | 99,153 | $8.94M | 0.26% | +1,110+1.1% | Added |
| Silvercrest Asset Management Group LLC | 95,129 | $8.58M | 0.06% | −355−0.4% | Reduced |
| Nuveen Asset Management, LLC | 93,170 | $8.40M | 0.00% | −3,954−4.1% | Reduced |
| Holocene Advisors, LP | 85,853 | $7.74M | 0.03% | −95,132−52.6% | Reduced |
| Harbor Capital Advisors, Inc. | 84,947 | $7.66M | 0.33% | +5,009+6.3% | Added |
| C WorldWide Group Holding A/S | 80,000 | $7.21M | 0.09% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 74,416 | $6.71M | 0.02% | +3,836+5.4% | Added |
| Comerica Bank | 74,210 | $6.69M | 0.03% | +35,687+92.6% | Added |
| Ameriprise Financial Inc | 71,254 | $6.42M | 0.00% | +8,528+13.6% | Added |
| Perceptive Advisors LLC | 65,153 | $5.87M | 0.16% | +42,562+188.4% | Added |
| Engineers Gate Manager LP | 61,944 | $5.59M | 0.10% | −10,365−14.3% | Reduced |
| Swiss National Bank | 61,400 | $5.54M | 0.00% | +700+1.2% | Added |
| Millennium Management LLC | 60,217 | $5.43M | 0.00% | −204,283−77.2% | Reduced |
| Banque Pictet & Cie SA | 59,264 | $5.34M | 0.05% | +6,696+12.7% | Added |
| Polar Capital Holdings Plc | 49,773 | $4.49M | 0.03% | −7,392−12.9% | Reduced |
| Granahan Investment Management Inc | 45,730 | $4.12M | 0.17% | −26,698−36.9% | Reduced |
| Legal & General Group Plc | 44,926 | $4.05M | 0.00% | −1,541−3.3% | Reduced |
| Rhumbline Advisers | 42,951 | $3.87M | 0.00% | −519−1.2% | Reduced |
| Susquehanna Fundamental Investments, LLC | 41,864 | $3.77M | 0.06% | +41,864 | New |
| Alliancebernstein L.P. | 39,717 | $3.58M | 0.00% | −1,172,754−96.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 34,349 | $3.10M | 0.01% | +1,743+5.3% | Added |
| DLD Asset Management, LP | 34,200 | $3.08M | 0.53% | −23,550−40.8% | Reduced |
| AXA S.A. | 32,473 | $2.93M | 0.01% | 00.0% | Unchanged |
| Macquarie Group Ltd | 30,397 | $2.74M | 0.00% | −610−2.0% | Reduced |
| Jane Street Group, LLC | 29,444 | $2.65M | 0.00% | −70,818−70.6% | Reduced |
| California State Teachers Retirement System | 29,218 | $2.63M | 0.00% | −217−0.7% | Reduced |
| EFG Asset Management (North America) Corp. | 28,430 | $2.56M | 0.35% | +15,118+113.6% | Added |
| RE Advisers Corp | 28,100 | $2.53M | 0.06% | +6,800+31.9% | Added |
| State of New Jersey Common Pension Fund D | 27,815 | $2.51M | 0.01% | −599−2.1% | Reduced |
| Susquehanna International Group, LLP | 26,222 | $2.36M | 0.00% | −54,498−67.5% | Reduced |
| Kampmann Melissa S. | 23,925 | $2.16M | 1.70% | −2,190−8.4% | Reduced |
| Squarepoint Ops LLC | 22,265 | $2.01M | 0.01% | −10,480−32.0% | Reduced |
| Russell Investments Group, Ltd. | 22,265 | $2.01M | 0.00% | −2,586−10.4% | Reduced |
| Wells Fargo & Company | 20,972 | $1.89M | 0.00% | −31,762−60.2% | Reduced |
| Price T Rowe Associates Inc | 20,848 | $1.88M | 0.00% | −2,278−9.9% | Reduced |
| Mutual of America Capital Management LLC | 20,658 | $1.86M | 0.02% | −18−0.1% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 20,500 | $1.85M | 0.02% | 00.0% | Unchanged |
| Group One Trading, L.P. | 20,370 | $1.84M | 0.06% | +20,370 | New |
| Algert Global LLC | 19,643 | $1.77M | 0.04% | +6,083+44.9% | Added |
| Invesco Ltd. | 19,200 | $1.73M | 0.00% | +207+1.1% | Added |
| UBS Oconnor LLC | 19,191 | $1.73M | 0.04% | −5,535−22.4% | Reduced |
| MetLife Investment Management | 19,142 | $1.73M | 0.01% | +1,087+6.0% | Added |
| Freestone Grove Partners LP | 16,712 | $1.51M | 0.02% | +16,712 | New |
| Envestnet Asset Management Inc | 16,369 | $1.48M | 0.00% | −34,844−68.0% | Reduced |
| Corebridge Financial, Inc. | 15,543 | $1.40M | 0.01% | −1,173−7.0% | Reduced |
| Intech Investment Management LLC | 14,927 | $1.35M | 0.01% | +5,467+57.8% | Added |
| Bryce Point Capital, LLC | 14,093 | $1.27M | 0.37% | +14,093 | New |
| Janus Henderson Group PLC | 13,856 | $1.25M | 0.00% | 00.0% | Unchanged |
| Truist Financial Corp | 12,799 | $1.15M | 0.00% | −1,021−7.4% | Reduced |