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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 3,235,660 | $498.2M | 0.01% | +127,466+4.1% | Added |
| Sands Capital Management, LLC | 2,915,527 | $448.9M | 1.29% | −100,680−3.3% | Reduced |
| BlackRock, Inc. | 2,749,635 | $423.3M | 0.01% | +46,290+1.7% | Added |
| Artisan Partners Limited Partnership | 2,740,841 | $422.0M | 0.63% | −73,439−2.6% | Reduced |
| Capital Research Global Investors | 1,506,864 | $232.0M | 0.05% | −695,758−31.6% | Reduced |
| State Street Corp | 868,525 | $133.7M | 0.01% | −49,163−5.4% | Reduced |
| Geode Capital Management, LLC | 767,336 | $118.2M | 0.01% | +16,967+2.3% | Added |
| Blair William & Co | 739,331 | $113.8M | 0.32% | −50,668−6.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 734,624 | $113.1M | 0.28% | −145,192−16.5% | Reduced |
| Mackenzie Financial Corp | 729,813 | $112.4M | 0.15% | −426,141−36.9% | Reduced |
| Eventide Asset Management, LLC | 691,573 | $106.5M | 1.87% | −48,489−6.6% | Reduced |
| Champlain Investment Partners, LLC | 661,232 | $101.8M | 0.71% | −161,559−19.6% | Reduced |
| UBS Asset Management Americas Inc | 607,652 | $93.6M | 0.02% | −295,432−32.7% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 586,478 | $90.3M | 0.33% | +68,238+13.2% | Added |
| Bessemer Group Inc | 569,196 | $87.6M | 0.14% | −4,857−0.8% | Reduced |
| JPMorgan Chase & Co | 563,201 | $86.7M | 0.01% | +687+0.1% | Added |
| Stephens Investment Management Group LLC | 552,916 | $85.1M | 1.12% | +32,334+6.2% | Added |
| FMR LLC | 420,201 | $64.7M | 0.00% | −43,022−9.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 434,343 | $63.4M | 0.11% | −84,275−16.2% | Reduced |
| Wellington Management Group LLP | 395,316 | $60.9M | 0.01% | +229,674+138.7% | Added |
| Goldman Sachs Group Inc | 394,613 | $60.8M | 0.01% | −39,167−9.0% | Reduced |
| Bank of New York Mellon Corp | 349,338 | $53.8M | 0.01% | −8,163−2.3% | Reduced |
| Bank of America Corp | 347,632 | $53.5M | 0.00% | −24,288−6.5% | Reduced |
| Millennium Management LLC | 336,307 | $51.8M | 0.05% | −63,439−15.9% | Reduced |
| Fred Alger Management, LLC | 325,543 | $50.1M | 0.22% | +75,829+30.4% | Added |
| Point72 Asset Management, L.P. | 322,098 | $49.6M | 0.12% | −98,205−23.4% | Reduced |
| Holocene Advisors, LP | 313,094 | $48.2M | 0.12% | +298,347+2,023.1% | Added |
| Braidwell LP | 300,029 | $46.2M | 1.58% | −256,362−46.1% | Reduced |
| Jennison Associates LLC | 297,492 | $45.8M | 0.03% | +17,305+6.2% | Added |
| SEI Investments Co | 290,634 | $44.7M | 0.05% | −22,128−7.1% | Reduced |
| Westfield Capital Management Co LP | 290,570 | $44.7M | 0.19% | −326,508−52.9% | Reduced |
| Northern Trust Corp | 289,317 | $44.5M | 0.01% | −2,692−0.9% | Reduced |
| Lord, Abbett & Co. LLC | 287,476 | $44.3M | 0.14% | +28,848+11.2% | Added |
| Charles Schwab Investment Management Inc | 271,467 | $41.8M | 0.01% | +16,888+6.6% | Added |
| Man Group plc | 267,603 | $41.2M | 0.09% | +267,603 | New |
| Loomis Sayles & Co L P | 255,517 | $39.3M | 0.05% | +255,517 | New |
| D. E. Shaw & Co., Inc. | 247,836 | $38.2M | 0.04% | +247,836 | New |
| Rock Springs Capital Management LP | 242,500 | $37.3M | 2.33% | −11,800−4.6% | Reduced |
| Next Century Growth Investors LLC | 224,863 | $34.6M | 2.67% | +16,643+8.0% | Added |
| Schroder Investment Management Group | 220,969 | $34.2M | 0.03% | −93,721−29.8% | Reduced |
| Barclays PLC | 215,289 | $33.1M | 0.01% | +14,807+7.4% | Added |
| Nuveen, LLC | 214,012 | $32.9M | 0.01% | +121,283+130.8% | Added |
| Manufacturers Life Insurance Company, The | 195,642 | $30.1M | 0.03% | −716−0.4% | Reduced |
| Deutsche Bank AG | 192,190 | $29.6M | 0.01% | −12,725−6.2% | Reduced |
| First Light Asset Management, LLC | 187,355 | $28.8M | 3.74% | −137,691−42.4% | Reduced |
| Ophir Asset Management Pty Ltd | 202,084 | $28.3M | 4.50% | −175,598−46.5% | Reduced |
| BNP Paribas Arbitrage, SA | 183,257 | $28.2M | 0.02% | +179,779+5,169.0% | Added |
| Morgan Stanley | 177,898 | $27.4M | 0.00% | −54,771−23.5% | Reduced |
| New York State Common Retirement Fund | 170,013 | $26.2M | 0.03% | +9,127+5.7% | Added |
| Citigroup Inc | 166,744 | $25.7M | 0.02% | −18,398−9.9% | Reduced |
| Driehaus Capital Management LLC | 161,646 | $24.9M | 0.20% | +161,646 | New |
| Squarepoint Ops LLC | 160,449 | $24.7M | 0.05% | +130,490+435.6% | Added |
| Freestone Grove Partners LP | 154,317 | $23.8M | 0.18% | +17,345+12.7% | Added |
| Renaissance Technologies LLC | 141,200 | $21.7M | 0.03% | +119,100+538.9% | Added |
| Segall Bryant & Hamill, LLC | 137,293 | $21.1M | 0.30% | +6,545+5.0% | Added |
| Ameriprise Financial Inc | 135,288 | $20.8M | 0.01% | +66,611+97.0% | Added |
| Massachusetts Financial Services Co | 126,455 | $19.5M | 0.01% | +126,455 | New |
| Raymond James Financial Inc | 116,467 | $17.9M | 0.01% | +6,341+5.8% | Added |
| Cubist Systematic Strategies, LLC | 110,727 | $17.0M | 0.18% | +67,010+153.3% | Added |
| Frontier Capital Management Co LLC | 106,415 | $16.4M | 0.15% | −118,495−52.7% | Reduced |
| Citadel Advisors LLC | 100,023 | $15.4M | 0.01% | +96,921+3,124.5% | Added |
| Invesco Ltd. | 94,298 | $14.5M | 0.00% | +72,082+324.5% | Added |
| Jane Street Group, LLC | 88,168 | $13.6M | 0.02% | +42,415+92.7% | Added |
| PFM Health Sciences, LP | 88,157 | $13.6M | 1.18% | +88,157 | New |
| Verition Fund Management LLC | 87,511 | $13.5M | 0.08% | −78,961−47.4% | Reduced |
| Oberweis Asset Management Inc | 81,200 | $12.5M | 0.54% | +81,200 | New |
| C WorldWide Group Holding A/S | 80,000 | $12.3M | 0.17% | 00.0% | Unchanged |
| Principal Financial Group Inc | 79,169 | $12.2M | 0.01% | +28,720+56.9% | Added |
| Royal Bank of Canada | 77,721 | $12.0M | 0.00% | +70,148+926.3% | Added |
| WCM Investment Management, LLC | 77,170 | $11.9M | 0.03% | −61,267−44.3% | Reduced |
| Peregrine Capital Management LLC | 76,594 | $11.8M | 0.36% | −6,461−7.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 75,000 | $11.5M | 0.02% | −25,000−25.0% | Reduced |
| Engineers Gate Manager LP | 74,842 | $11.5M | 0.14% | +20,266+37.1% | Added |
| M&G Plc | 74,398 | $11.5M | 0.06% | +74,398 | New |
| Walleye Capital LLC | 73,822 | $11.4M | 0.11% | +73,822 | New |
| TimesSquare Capital Management, LLC | 71,660 | $11.0M | 0.16% | +71,660 | New |
| State of Wisconsin Investment Board | 68,475 | $10.5M | 0.03% | −6,565−8.7% | Reduced |
| Trexquant Investment LP | 65,217 | $10.0M | 0.11% | +44,426+213.7% | Added |
| Susquehanna International Group, LLP | 64,668 | $9.96M | 0.02% | +9,560+17.3% | Added |
| Jump Financial, LLC | 62,795 | $9.67M | 0.12% | +62,795 | New |
| Swiss National Bank | 60,000 | $9.24M | 0.01% | −700−1.2% | Reduced |
| Victory Capital Management Inc | 59,899 | $9.22M | 0.01% | +56,210+1,523.7% | Added |
| Macquarie Group Ltd | 57,523 | $8.86M | 0.01% | +2,606+4.7% | Added |
| Amundi | 60,608 | $8.65M | 0.00% | −35,246−36.8% | Reduced |
| First Trust Advisors LP | 56,197 | $8.65M | 0.01% | +22,337+66.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 53,926 | $8.30M | 0.03% | +53,926 | New |
| Point72 (DIFC) Ltd | 50,000 | $7.70M | 0.61% | −22,129−30.7% | Reduced |
| Silvercrest Asset Management Group LLC | 49,123 | $7.56M | 0.05% | −45,758−48.2% | Reduced |
| Rhumbline Advisers | 48,477 | $7.46M | 0.01% | +2,531+5.5% | Added |
| Federated Hermes, Inc. | 48,424 | $7.46M | 0.01% | +48,424 | New |
| Castleark Management LLC | 48,180 | $7.42M | 0.22% | −110−0.2% | Reduced |
| Qube Research & Technologies Ltd | 47,425 | $7.30M | 0.01% | +47,425 | New |
| Prudential Financial Inc | 45,825 | $7.06M | 0.01% | +43,550+1,914.3% | Added |
| Balyasny Asset Management LLC | 44,713 | $6.88M | 0.02% | +34,060+319.7% | Added |
| Legal & General Group Plc | 44,004 | $6.77M | 0.00% | +1,093+2.5% | Added |
| Susquehanna Fundamental Investments, LLC | 41,864 | $6.45M | 0.17% | −550−1.3% | Reduced |
| Integral Health Asset Management, LLC | 40,000 | $6.16M | 0.58% | +40,000 | New |
| Hillsdale Investment Management Inc. | 37,500 | $5.77M | 0.21% | +37,500 | New |
| Alliancebernstein L.P. | 37,394 | $5.76M | 0.00% | +547+1.5% | Added |
| UBS Group AG | 35,273 | $5.43M | 0.00% | −147,833−80.7% | Reduced |