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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 2,949,442 | $342.1M | 0.01% | −44,001−1.5% | Reduced |
| Capital Research Global Investors | 2,495,334 | $289.5M | 0.07% | −2920.0% | Reduced |
| BlackRock Inc. | 2,441,123 | $283.2M | 0.01% | −53,280−2.1% | Reduced |
| Artisan Partners Limited Partnership | 2,144,942 | $248.8M | 0.36% | +73,442+3.5% | Added |
| Sands Capital Management, LLC | 2,143,026 | $248.6M | 0.70% | −94,724−4.2% | Reduced |
| Mackenzie Financial Corp | 1,348,233 | $156.4M | 0.23% | +83,526+6.6% | Added |
| Alliancebernstein L.P. | 1,234,918 | $143.3M | 0.05% | −52,732−4.1% | Reduced |
| JPMorgan Chase & Co | 963,262 | $111.7M | 0.01% | −198,444−17.1% | Reduced |
| Holocene Advisors, LP | 918,649 | $106.6M | 0.39% | −44,717−4.6% | Reduced |
| Blair William & Co | 832,934 | $96.6M | 0.30% | +27,842+3.5% | Added |
| State Street Corp | 769,233 | $89.2M | 0.00% | −8,294−1.1% | Reduced |
| Geode Capital Management, LLC | 690,760 | $80.1M | 0.01% | +19,321+2.9% | Added |
| Invesco Ltd. | 583,998 | $67.7M | 0.01% | +131,484+29.1% | Added |
| Bank of New York Mellon Corp | 582,006 | $67.5M | 0.01% | −129,909−18.2% | Reduced |
| Champlain Investment Partners, LLC | 575,800 | $66.8M | 0.38% | +293,710+104.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 511,905 | $59.4M | 0.16% | +64,755+14.5% | Added |
| Slate Path Capital LP | 510,500 | $59.2M | 1.17% | −336,400−39.7% | Reduced |
| Westfield Capital Management Co LP | 502,678 | $58.3M | 0.31% | +502,678 | New |
| Braidwell LP | 483,257 | $56.1M | 1.81% | −84,900−14.9% | Reduced |
| Point72 Asset Management, L.P. | 477,534 | $55.4M | 0.16% | +149,034+45.4% | Added |
| Credit Suisse AG | 454,827 | $52.8M | 0.05% | −19,296−4.1% | Reduced |
| First Light Asset Management, LLC | 420,892 | $48.8M | 3.74% | +268,829+176.8% | Added |
| Allspring Global Investments Holdings, LLC | 415,026 | $48.1M | 0.08% | +49,168+13.4% | Added |
| Stephens Investment Management Group LLC | 411,773 | $47.8M | 0.64% | +52,548+14.6% | Added |
| Rock Springs Capital Management LP | 392,250 | $45.5M | 1.16% | +41,500+11.8% | Added |
| Fiera Capital Corp | 388,913 | $45.1M | 0.13% | −10,287−2.6% | Reduced |
| Citadel Advisors LLC | 318,197 | $36.9M | 0.04% | +294,062+1,218.4% | Added |
| FMR LLC | 311,605 | $36.1M | 0.00% | +194,218+165.5% | Added |
| Loomis Sayles & Co L P | 305,942 | $35.5M | 0.05% | +305,942 | New |
| Schroder Investment Management Group | 288,610 | $33.5M | 0.04% | +288,610 | New |
| Northern Trust Corp | 281,940 | $32.7M | 0.01% | −7,282−2.5% | Reduced |
| Bessemer Group Inc | 275,911 | $32.0M | 0.06% | −47,776−14.8% | Reduced |
| Perceptive Advisors LLC | 245,205 | $28.4M | 0.50% | +245,205 | New |
| Charles Schwab Investment Management Inc | 244,131 | $28.3M | 0.01% | +4,472+1.9% | Added |
| Lord, Abbett & Co. LLC | 241,681 | $28.0M | 0.09% | +57,960+31.5% | Added |
| Eventide Asset Management, LLC | 239,135 | $27.7M | 0.44% | 00.0% | Unchanged |
| SEI Investments Co | 235,361 | $27.3M | 0.04% | +15,381+7.0% | Added |
| Norges Bank | 235,170 | $27.3M | 0.00% | −12,606−5.1% | Reduced |
| Fred Alger Management, LLC | 224,289 | $26.0M | 0.13% | −5,581−2.4% | Reduced |
| Price T Rowe Associates Inc | 220,621 | $25.6M | 0.00% | −171,833−43.8% | Reduced |
| Goldman Sachs Group Inc | 210,134 | $24.4M | 0.01% | +49,406+30.7% | Added |
| New York State Common Retirement Fund | 209,895 | $24.3M | 0.03% | +14,191+7.3% | Added |
| Wellington Management Group LLP | 208,998 | $24.2M | 0.00% | −8,973−4.1% | Reduced |
| Alyeska Investment Group, L.P. | 203,576 | $23.6M | 0.15% | +203,576 | New |
| Bank of America Corp | 199,295 | $23.1M | 0.00% | +61,101+44.2% | Added |
| Morgan Stanley | 185,097 | $21.5M | 0.00% | −102,647−35.7% | Reduced |
| Exchange Traded Concepts, LLC | 172,924 | $20.1M | 0.52% | −45,491−20.8% | Reduced |
| Manufacturers Life Insurance Company, The | 172,015 | $20.0M | 0.02% | −5,079−2.9% | Reduced |
| Legal & General Group Plc | 157,171 | $18.2M | 0.01% | −43,287−21.6% | Reduced |
| Nuveen Asset Management, LLC | 141,873 | $16.5M | 0.00% | +56,770+66.7% | Added |
| Balyasny Asset Management LLC | 141,705 | $16.4M | 0.04% | −161,705−53.3% | Reduced |
| WCM Investment Management, LLC | 138,369 | $16.1M | 0.04% | +5,174+3.9% | Added |
| Millennium Management LLC | 124,603 | $14.5M | 0.01% | +70,097+128.6% | Added |
| Jane Street Group, LLC | 106,905 | $12.4M | 0.02% | +67,710+172.8% | Added |
| Segall Bryant & Hamill, LLC | 102,376 | $11.9M | 0.22% | +102,376 | New |
| Alberta Investment Management Corp | 94,714 | $11.0M | 0.11% | 00.0% | Unchanged |
| Silvercrest Asset Management Group LLC | 94,653 | $11.0M | 0.07% | +4,338+4.8% | Added |
| Neuberger Berman Group LLC | 89,609 | $10.4M | 0.01% | +39,754+79.7% | Added |
| Eagle Asset Management Inc | 81,566 | $9.42M | 0.05% | −3,004−3.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 78,111 | $9.36M | 0.02% | +5,276+7.2% | Added |
| C WorldWide Group Holding A/S | 80,000 | $9.28M | 0.11% | 00.0% | Unchanged |
| Peregrine Capital Management LLC | 68,846 | $7.99M | 0.23% | −655−0.9% | Reduced |
| State of Wisconsin Investment Board | 68,455 | $7.94M | 0.02% | −8,382−10.9% | Reduced |
| Polar Capital Holdings Plc | 63,476 | $7.36M | 0.04% | +60,329+1,917.0% | Added |
| Principal Financial Group Inc | 62,592 | $7.26M | 0.00% | +55,384+768.4% | Added |
| Swiss National Bank | 60,500 | $7.02M | 0.00% | +200+0.3% | Added |
| Macquarie Group Ltd | 58,785 | $6.82M | 0.01% | +36,144+159.6% | Added |
| Wells Fargo & Company | 54,305 | $6.30M | 0.00% | +2,674+5.2% | Added |
| Deutsche Bank AG | 54,071 | $6.27M | 0.00% | +20,739+62.2% | Added |
| Susquehanna Portfolio Strategies, LLC | 52,722 | $6.12M | 0.14% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 49,866 | $5.78M | 0.07% | −77,659−60.9% | Reduced |
| Tudor Investment Corp Et Al | 48,545 | $5.63M | 0.07% | +17,195+54.8% | Added |
| Envestnet Asset Management Inc | 46,881 | $5.44M | 0.00% | +1,867+4.1% | Added |
| Gilder Gagnon Howe & Co LLC | 45,994 | $5.34M | 0.07% | +25,526+124.7% | Added |
| Bamco Inc | 45,000 | $5.22M | 0.01% | +45,000 | New |
| California Public Employees Retirement System | 44,152 | $5.12M | 0.00% | −2,793−5.9% | Reduced |
| Rhumbline Advisers | 43,472 | $5.04M | 0.00% | +620+1.4% | Added |
| Baird Financial Group, Inc. | 41,762 | $4.84M | 0.01% | +7,043+20.3% | Added |
| Banque Pictet & Cie SA | 40,308 | $4.68M | 0.05% | −3,780−8.6% | Reduced |
| Ameriprise Financial Inc | 40,109 | $4.65M | 0.00% | −1,666−4.0% | Reduced |
| Comerica Bank | 38,963 | $4.52M | 0.02% | +38,204+5,033.5% | Added |
| UBS Group AG | 38,486 | $4.46M | 0.00% | +1,802+4.9% | Added |
| Barclays PLC | 36,509 | $4.24M | 0.00% | −11,689−24.3% | Reduced |
| UBS Asset Management Americas Inc | 34,098 | $3.96M | 0.00% | −880−2.5% | Reduced |
| Steelhead Partners LLC | 33,200 | $3.85M | 0.20% | +33,200 | New |
| AXA S.A. | 32,987 | $3.83M | 0.01% | −5,013−13.2% | Reduced |
| Formula Growth Ltd | 31,979 | $3.71M | 1.19% | +31,979 | New |
| Polar Asset Management Partners Inc. | 30,800 | $3.57M | 0.10% | +30,800 | New |
| California State Teachers Retirement System | 30,650 | $3.56M | 0.00% | −1,635−5.1% | Reduced |
| Shaolin Capital Management LLC | 29,900 | $3.47M | 0.12% | +29,900 | New |
| State of New Jersey Common Pension Fund D | 26,276 | $3.05M | 0.01% | −3,024−10.3% | Reduced |
| Kampmann Melissa S. | 26,140 | $3.03M | 2.18% | +3,000+13.0% | Added |
| Adage Capital Partners GP, L.L.C. | 25,000 | $2.90M | 0.01% | +25,000 | New |
| Trexquant Investment LP | 22,069 | $2.56M | 0.05% | −14,260−39.3% | Reduced |
| Mutual of America Capital Management LLC | 21,774 | $2.53M | 0.03% | −1,767−7.5% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 20,500 | $2.38M | 0.03% | 00.0% | Unchanged |
| McKinley Capital Management LLC /Delaware | 19,940 | $2.31M | 0.28% | 00.0% | Unchanged |
| 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 |
| Royal Bank of Canada | 19,183 | $2.23M | 0.00% | −10,623−35.6% | Reduced |