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 2023
Institutional positions in iRhythm Holdings, Inc. as of Dec 31, 2023. 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
- 222
- 0 vs. Q3 2023
- Shares held
- 32.9M
- −208.1K (−0.6%) vs. Q3 2023
- Total value
- $3.53B
- +$406.8M (+13.0%) vs. Q3 2023
- New holders
- 34
- 87 more added
- Sold out
- 34
- 69 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 2,993,443 | $320.4M | 0.01% | +35,694+1.2% | Added |
| Capital Research Global Investors | 2,495,626 | $267.1M | 0.07% | +121,709+5.1% | Added |
| BlackRock Inc. | 2,494,403 | $267.0M | 0.01% | +162,130+7.0% | Added |
| Sands Capital Management, LLC | 2,237,750 | $239.5M | 0.73% | −111,970−4.8% | Reduced |
| Artisan Partners Limited Partnership | 2,071,500 | $221.7M | 0.35% | +108,875+5.5% | Added |
| Alliancebernstein L.P. | 1,287,650 | $137.8M | 0.05% | −88,179−6.4% | Reduced |
| Mackenzie Financial Corp | 1,264,707 | $135.4M | 0.20% | +2,528+0.2% | Added |
| JPMorgan Chase & Co | 1,161,706 | $124.3M | 0.01% | −70,858−5.7% | Reduced |
| Holocene Advisors, LP | 963,366 | $103.1M | 0.40% | +330,869+52.3% | Added |
| Slate Path Capital LP | 846,900 | $90.7M | 2.01% | −21,800−2.5% | Reduced |
| Blair William & Co | 805,092 | $86.2M | 0.29% | −306,325−27.6% | Reduced |
| State Street Corp | 777,527 | $83.2M | 0.00% | −68,837−8.1% | Reduced |
| Bank of New York Mellon Corp | 711,915 | $76.2M | 0.02% | +139,557+24.4% | Added |
| Geode Capital Management, LLC | 671,439 | $71.9M | 0.01% | +33,661+5.3% | Added |
| Braidwell LP | 568,157 | $60.8M | 2.23% | 00.0% | Unchanged |
| Credit Suisse AG | 474,123 | $50.8M | 0.05% | +3,287+0.7% | Added |
| Invesco Ltd. | 452,514 | $48.4M | 0.01% | −149,842−24.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 447,150 | $47.9M | 0.13% | +16,579+3.9% | Added |
| Summit Partners Public Asset Management, LLC | 415,089 | $44.4M | 2.41% | +415,073+2,594,206.3% | Added |
| Fiera Capital Corp | 399,200 | $42.7M | 0.13% | +1,421+0.4% | Added |
| Price T Rowe Associates Inc | 392,454 | $42.0M | 0.01% | −144,471−26.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 365,858 | $39.2M | 0.06% | −75,173−17.0% | Reduced |
| Stephens Investment Management Group LLC | 359,225 | $38.5M | 0.56% | +53,219+17.4% | Added |
| Rock Springs Capital Management LP | 350,750 | $37.5M | 0.93% | 00.0% | Unchanged |
| LTS One Management LP | 350,000 | $37.5M | 8.75% | −424,748−54.8% | Reduced |
| Point72 Asset Management, L.P. | 328,500 | $35.2M | 0.11% | +328,500 | New |
| Bessemer Group Inc | 323,687 | $34.6M | 0.07% | −74,647−18.7% | Reduced |
| Balyasny Asset Management LLC | 303,410 | $32.5M | 0.09% | +144,135+90.5% | Added |
| Northern Trust Corp | 289,222 | $31.0M | 0.01% | −7,758−2.6% | Reduced |
| Morgan Stanley | 287,744 | $30.8M | 0.00% | +126,803+78.8% | Added |
| Champlain Investment Partners, LLC | 282,090 | $30.2M | 0.18% | +282,090 | New |
| Norges Bank | 247,776 | $26.5M | 0.00% | −324,659−56.7% | Reduced |
| Charles Schwab Investment Management Inc | 239,659 | $25.7M | 0.01% | +3,486+1.5% | Added |
| Eventide Asset Management, LLC | 239,135 | $25.6M | 0.42% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 229,870 | $24.6M | 0.13% | +214,110+1,358.6% | Added |
| SEI Investments Co | 219,980 | $23.5M | 0.04% | −6,040−2.7% | Reduced |
| Exchange Traded Concepts, LLC | 218,415 | $23.4M | 0.62% | +7,428+3.5% | Added |
| Wellington Management Group LLP | 217,971 | $23.3M | 0.00% | −1,196−0.5% | Reduced |
| Marshall Wace, LLP | 209,537 | $22.4M | 0.04% | +209,537 | New |
| Legal & General Group Plc | 200,458 | $21.5M | 0.01% | +13,267+7.1% | Added |
| New York State Common Retirement Fund | 195,704 | $20.9M | 0.03% | −1,237−0.6% | Reduced |
| Lord, Abbett & Co. LLC | 183,721 | $19.7M | 0.07% | +2,175+1.2% | Added |
| Manufacturers Life Insurance Company, The | 177,094 | $19.0M | 0.01% | +75,811+74.9% | Added |
| Goldman Sachs Group Inc | 160,728 | $17.2M | 0.00% | −122,635−43.3% | Reduced |
| First Light Asset Management, LLC | 152,063 | $16.3M | 1.31% | +64,024+72.7% | Added |
| Bank of America Corp | 138,194 | $14.8M | 0.00% | +28,192+25.6% | Added |
| WCM Investment Management, LLC | 133,195 | $14.5M | 0.04% | +50,673+61.4% | Added |
| ExodusPoint Capital Management, LP | 127,525 | $13.7M | 0.17% | +86,370+209.9% | Added |
| FMR LLC | 117,387 | $12.6M | 0.00% | −734,460−86.2% | Reduced |
| Alberta Investment Management Corp | 94,714 | $10.1M | 0.10% | 00.0% | Unchanged |
| Silvercrest Asset Management Group LLC | 90,315 | $9.67M | 0.07% | +49,915+123.6% | Added |
| Nuveen Asset Management, LLC | 85,103 | $9.11M | 0.00% | −2,219−2.5% | Reduced |
| Eagle Asset Management Inc | 84,570 | $9.05M | 0.05% | +4,102+5.1% | Added |
| C WorldWide Group Holding A/S | 80,000 | $8.56M | 0.11% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 76,837 | $8.22M | 0.02% | +23,587+44.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 72,835 | $7.80M | 0.02% | +3,307+4.8% | Added |
| Peregrine Capital Management LLC | 69,501 | $7.44M | 0.22% | −12,027−14.8% | Reduced |
| Swiss National Bank | 60,300 | $6.45M | 0.00% | −6,700−10.0% | Reduced |
| Millennium Management LLC | 54,506 | $5.83M | 0.01% | −10,836−16.6% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 52,722 | $5.64M | 0.10% | +52,722 | New |
| Wells Fargo & Company | 51,631 | $5.53M | 0.00% | +3,669+7.6% | Added |
| Neuberger Berman Group LLC | 49,855 | $5.34M | 0.00% | +12,764+34.4% | Added |
| Barclays PLC | 48,198 | $5.16M | 0.00% | +37,249+340.2% | Added |
| California Public Employees Retirement System | 46,945 | $5.02M | 0.00% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 45,014 | $4.82M | 0.00% | +11,910+36.0% | Added |
| Banque Pictet & Cie SA | 44,088 | $4.72M | 0.05% | +6,993+18.9% | Added |
| Rhumbline Advisers | 42,852 | $4.59M | 0.00% | −215−0.5% | Reduced |
| Ameriprise Financial Inc | 41,775 | $4.47M | 0.00% | −5,722−12.0% | Reduced |
| Jane Street Group, LLC | 39,195 | $4.20M | 0.01% | −4,119−9.5% | Reduced |
| AXA S.A. | 38,000 | $4.07M | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 36,684 | $3.93M | 0.00% | +4,239+13.1% | Added |
| Trexquant Investment LP | 36,329 | $3.89M | 0.09% | +16,700+85.1% | Added |
| UBS Asset Management Americas Inc | 34,978 | $3.74M | 0.00% | +1,117+3.3% | Added |
| Baird Financial Group, Inc. | 34,719 | $3.72M | 0.01% | +16,677+92.4% | Added |
| Deutsche Bank AG | 33,332 | $3.57M | 0.00% | −154−0.5% | Reduced |
| California State Teachers Retirement System | 32,285 | $3.46M | 0.00% | −1,433−4.2% | Reduced |
| Tudor Investment Corp Et Al | 31,350 | $3.36M | 0.05% | +8,911+39.7% | Added |
| Royal Bank of Canada | 29,806 | $3.19M | 0.00% | +8,411+39.3% | Added |
| State of New Jersey Common Pension Fund D | 29,300 | $3.14M | 0.01% | +6,012+25.8% | Added |
| Canada Pension Plan Investment Board | 28,200 | $3.02M | 0.00% | +17,100+154.1% | Added |
| Citadel Advisors LLC | 24,135 | $2.58M | 0.00% | +15,851+191.3% | Added |
| Mutual of America Capital Management LLC | 23,541 | $2.52M | 0.03% | −1,069−4.3% | Reduced |
| Kampmann Melissa S. | 23,140 | $2.48M | 2.12% | +750+3.3% | Added |
| Macquarie Group Ltd | 22,641 | $2.42M | 0.00% | +3,293+17.0% | Added |
| B. Metzler seel. Sohn & Co. AG | 20,500 | $2.19M | 0.03% | +7,867+62.3% | Added |
| Gilder Gagnon Howe & Co LLC | 20,468 | $2.19M | 0.03% | −862−4.0% | Reduced |
| UBS Oconnor LLC | 20,347 | $2.18M | 0.07% | −811−3.8% | Reduced |
| McKinley Capital Management LLC /Delaware | 19,940 | $2.13M | 0.27% | +6,870+52.6% | Added |
| ClariVest Asset Management LLC | 18,953 | $2.03M | 0.11% | −1,409−6.9% | Reduced |
| TD Asset Management Inc | 18,704 | $2.00M | 0.00% | −15,200−44.8% | Reduced |
| Winton Group Ltd | 17,297 | $1.85M | 0.13% | +17,297 | New |
| Truist Financial Corp | 16,226 | $1.74M | 0.00% | +1,140+7.6% | Added |
| MetLife Investment Management | 16,028 | $1.72M | 0.01% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 15,289 | $1.64M | 0.02% | +15,289 | New |
| American International Group, Inc. | 15,256 | $1.63M | 0.01% | −61−0.4% | Reduced |
| BNP Paribas Arbitrage, SA | 14,818 | $1.59M | 0.00% | −6,120−29.2% | Reduced |
| Janus Henderson Group PLC | 14,011 | $1.50M | 0.00% | −23−0.2% | Reduced |
| D. E. Shaw & Co., Inc. | 13,740 | $1.47M | 0.00% | −95,140−87.4% | Reduced |
| WoodTrust Financial Corp | 13,732 | $1.47M | 0.25% | +1,350+10.9% | Added |
| RE Advisers Corp | 12,800 | $1.37M | 0.04% | +6,500+103.2% | Added |