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, Q2 2025
Institutional positions in iRhythm Holdings, Inc. as of Jun 30, 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
- 304
- +50 vs. Q1 2025
- Shares held
- 35.4M
- −589.7K (−1.6%) vs. Q1 2025
- Total value
- $5.44B
- +$1.67B (+44.4%) vs. Q1 2025
- New holders
- 71
- 101 more added
- Sold out
- 21
- 93 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Banque Pictet & Cie SA | 31,641 | $4.87M | 0.05% | −14,904−32.0% | Reduced |
| RE Advisers Corp | 32,400 | $4.99M | 0.12% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 33,809 | $5.21M | 0.00% | −2,007−5.6% | Reduced |
| EAM Investors, LLC | 33,968 | $5.23M | 0.79% | +33,968 | New |
| UBS Group AG | 35,273 | $5.43M | 0.00% | −147,833−80.7% | Reduced |
| Alliancebernstein L.P. | 37,394 | $5.76M | 0.00% | +547+1.5% | Added |
| Hillsdale Investment Management Inc. | 37,500 | $5.77M | 0.21% | +37,500 | New |
| Integral Health Asset Management, LLC | 40,000 | $6.16M | 0.58% | +40,000 | New |
| Susquehanna Fundamental Investments, LLC | 41,864 | $6.45M | 0.17% | −550−1.3% | Reduced |
| Legal & General Group Plc | 44,004 | $6.77M | 0.00% | +1,093+2.5% | Added |
| Balyasny Asset Management LLC | 44,713 | $6.88M | 0.02% | +34,060+319.7% | Added |
| Prudential Financial Inc | 45,825 | $7.06M | 0.01% | +43,550+1,914.3% | Added |
| Qube Research & Technologies Ltd | 47,425 | $7.30M | 0.01% | +47,425 | New |
| Castleark Management LLC | 48,180 | $7.42M | 0.22% | −110−0.2% | Reduced |
| Federated Hermes, Inc. | 48,424 | $7.46M | 0.01% | +48,424 | New |
| Rhumbline Advisers | 48,477 | $7.46M | 0.01% | +2,531+5.5% | Added |
| Silvercrest Asset Management Group LLC | 49,123 | $7.56M | 0.05% | −45,758−48.2% | Reduced |
| Point72 (DIFC) Ltd | 50,000 | $7.70M | 0.61% | −22,129−30.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 53,926 | $8.30M | 0.03% | +53,926 | New |
| First Trust Advisors LP | 56,197 | $8.65M | 0.01% | +22,337+66.0% | Added |
| Amundi | 60,608 | $8.65M | 0.00% | −35,246−36.8% | Reduced |
| Macquarie Group Ltd | 57,523 | $8.86M | 0.01% | +2,606+4.7% | Added |
| Victory Capital Management Inc | 59,899 | $9.22M | 0.01% | +56,210+1,523.7% | Added |
| Swiss National Bank | 60,000 | $9.24M | 0.01% | −700−1.2% | Reduced |
| Jump Financial, LLC | 62,795 | $9.67M | 0.12% | +62,795 | New |
| Susquehanna International Group, LLP | 64,668 | $9.96M | 0.02% | +9,560+17.3% | Added |
| Trexquant Investment LP | 65,217 | $10.0M | 0.11% | +44,426+213.7% | Added |
| State of Wisconsin Investment Board | 68,475 | $10.5M | 0.03% | −6,565−8.7% | Reduced |
| TimesSquare Capital Management, LLC | 71,660 | $11.0M | 0.16% | +71,660 | New |
| Walleye Capital LLC | 73,822 | $11.4M | 0.11% | +73,822 | New |
| M&G Plc | 74,398 | $11.5M | 0.06% | +74,398 | New |
| Engineers Gate Manager LP | 74,842 | $11.5M | 0.14% | +20,266+37.1% | Added |
| Adage Capital Partners GP, L.L.C. | 75,000 | $11.5M | 0.02% | −25,000−25.0% | Reduced |
| Peregrine Capital Management LLC | 76,594 | $11.8M | 0.36% | −6,461−7.8% | Reduced |
| WCM Investment Management, LLC | 77,170 | $11.9M | 0.03% | −61,267−44.3% | Reduced |
| Royal Bank of Canada | 77,721 | $12.0M | 0.00% | +70,148+926.3% | Added |
| Principal Financial Group Inc | 79,169 | $12.2M | 0.01% | +28,720+56.9% | Added |
| C WorldWide Group Holding A/S | 80,000 | $12.3M | 0.17% | 00.0% | Unchanged |
| Oberweis Asset Management Inc | 81,200 | $12.5M | 0.54% | +81,200 | New |
| Verition Fund Management LLC | 87,511 | $13.5M | 0.08% | −78,961−47.4% | Reduced |
| PFM Health Sciences, LP | 88,157 | $13.6M | 1.18% | +88,157 | New |
| Jane Street Group, LLC | 88,168 | $13.6M | 0.02% | +42,415+92.7% | Added |
| Invesco Ltd. | 94,298 | $14.5M | 0.00% | +72,082+324.5% | Added |
| Citadel Advisors LLC | 100,023 | $15.4M | 0.01% | +96,921+3,124.5% | Added |
| Frontier Capital Management Co LLC | 106,415 | $16.4M | 0.15% | −118,495−52.7% | Reduced |
| Cubist Systematic Strategies, LLC | 110,727 | $17.0M | 0.18% | +67,010+153.3% | Added |
| Raymond James Financial Inc | 116,467 | $17.9M | 0.01% | +6,341+5.8% | Added |
| Massachusetts Financial Services Co | 126,455 | $19.5M | 0.01% | +126,455 | New |
| Ameriprise Financial Inc | 135,288 | $20.8M | 0.01% | +66,611+97.0% | Added |
| Segall Bryant & Hamill, LLC | 137,293 | $21.1M | 0.30% | +6,545+5.0% | Added |
| Renaissance Technologies LLC | 141,200 | $21.7M | 0.03% | +119,100+538.9% | Added |
| Freestone Grove Partners LP | 154,317 | $23.8M | 0.18% | +17,345+12.7% | Added |
| Squarepoint Ops LLC | 160,449 | $24.7M | 0.05% | +130,490+435.6% | Added |
| Driehaus Capital Management LLC | 161,646 | $24.9M | 0.20% | +161,646 | New |
| Citigroup Inc | 166,744 | $25.7M | 0.02% | −18,398−9.9% | Reduced |
| New York State Common Retirement Fund | 170,013 | $26.2M | 0.03% | +9,127+5.7% | Added |
| Morgan Stanley | 177,898 | $27.4M | 0.00% | −54,771−23.5% | Reduced |
| BNP Paribas Arbitrage, SA | 183,257 | $28.2M | 0.02% | +179,779+5,169.0% | Added |
| Ophir Asset Management Pty Ltd | 202,084 | $28.3M | 4.50% | −175,598−46.5% | Reduced |
| First Light Asset Management, LLC | 187,355 | $28.8M | 3.74% | −137,691−42.4% | Reduced |
| Deutsche Bank AG | 192,190 | $29.6M | 0.01% | −12,725−6.2% | Reduced |
| Manufacturers Life Insurance Company, The | 195,642 | $30.1M | 0.03% | −716−0.4% | Reduced |
| Nuveen, LLC | 214,012 | $32.9M | 0.01% | +121,283+130.8% | Added |
| Barclays PLC | 215,289 | $33.1M | 0.01% | +14,807+7.4% | Added |
| Schroder Investment Management Group | 220,969 | $34.2M | 0.03% | −93,721−29.8% | Reduced |
| Next Century Growth Investors LLC | 224,863 | $34.6M | 2.67% | +16,643+8.0% | Added |
| Rock Springs Capital Management LP | 242,500 | $37.3M | 2.33% | −11,800−4.6% | Reduced |
| D. E. Shaw & Co., Inc. | 247,836 | $38.2M | 0.04% | +247,836 | New |
| Loomis Sayles & Co L P | 255,517 | $39.3M | 0.05% | +255,517 | New |
| Man Group plc | 267,603 | $41.2M | 0.09% | +267,603 | New |
| Charles Schwab Investment Management Inc | 271,467 | $41.8M | 0.01% | +16,888+6.6% | Added |
| Lord, Abbett & Co. LLC | 287,476 | $44.3M | 0.14% | +28,848+11.2% | Added |
| Northern Trust Corp | 289,317 | $44.5M | 0.01% | −2,692−0.9% | Reduced |
| Westfield Capital Management Co LP | 290,570 | $44.7M | 0.19% | −326,508−52.9% | Reduced |
| SEI Investments Co | 290,634 | $44.7M | 0.05% | −22,128−7.1% | Reduced |
| Jennison Associates LLC | 297,492 | $45.8M | 0.03% | +17,305+6.2% | Added |
| Braidwell LP | 300,029 | $46.2M | 1.58% | −256,362−46.1% | Reduced |
| Holocene Advisors, LP | 313,094 | $48.2M | 0.12% | +298,347+2,023.1% | Added |
| Point72 Asset Management, L.P. | 322,098 | $49.6M | 0.12% | −98,205−23.4% | Reduced |
| Fred Alger Management, LLC | 325,543 | $50.1M | 0.22% | +75,829+30.4% | Added |
| Millennium Management LLC | 336,307 | $51.8M | 0.05% | −63,439−15.9% | Reduced |
| Bank of America Corp | 347,632 | $53.5M | 0.00% | −24,288−6.5% | Reduced |
| Bank of New York Mellon Corp | 349,338 | $53.8M | 0.01% | −8,163−2.3% | Reduced |
| Goldman Sachs Group Inc | 394,613 | $60.8M | 0.01% | −39,167−9.0% | Reduced |
| Wellington Management Group LLP | 395,316 | $60.9M | 0.01% | +229,674+138.7% | Added |
| Allspring Global Investments Holdings, LLC | 434,343 | $63.4M | 0.11% | −84,275−16.2% | Reduced |
| FMR LLC | 420,201 | $64.7M | 0.00% | −43,022−9.3% | Reduced |
| Stephens Investment Management Group LLC | 552,916 | $85.1M | 1.12% | +32,334+6.2% | Added |
| JPMorgan Chase & Co | 563,201 | $86.7M | 0.01% | +687+0.1% | Added |
| Bessemer Group Inc | 569,196 | $87.6M | 0.14% | −4,857−0.8% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 586,478 | $90.3M | 0.33% | +68,238+13.2% | Added |
| UBS Asset Management Americas Inc | 607,652 | $93.6M | 0.02% | −295,432−32.7% | Reduced |
| Champlain Investment Partners, LLC | 661,232 | $101.8M | 0.71% | −161,559−19.6% | Reduced |
| Eventide Asset Management, LLC | 691,573 | $106.5M | 1.87% | −48,489−6.6% | Reduced |
| Mackenzie Financial Corp | 729,813 | $112.4M | 0.15% | −426,141−36.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 734,624 | $113.1M | 0.28% | −145,192−16.5% | Reduced |
| Blair William & Co | 739,331 | $113.8M | 0.32% | −50,668−6.4% | Reduced |
| Geode Capital Management, LLC | 767,336 | $118.2M | 0.01% | +16,967+2.3% | Added |
| State Street Corp | 868,525 | $133.7M | 0.01% | −49,163−5.4% | Reduced |
| Capital Research Global Investors | 1,506,864 | $232.0M | 0.05% | −695,758−31.6% | Reduced |