Irhythm HoldingsIRTC
13F holders, Q1 2025 (March 31)256holders +29
52new positions
22sold out
5famous investors
$104.72avg. 13F price*
At the end of Q1 2025, 256 institutions reported holding Irhythm Holdings Inc. (IRTC) in their 13F filings, up 29 from Q4 2024. 52 opened new positions and 22 sold out. The largest holders were Vanguard Group Inc. ($325.4M), Sands Capital Management, LLC ($315.7M) and Artisan Partners Limited Partnership ($294.6M). 5 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Irhythm Holdings Inc.
- CUSIP
- 450056106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 52 | $244.1M |
| Exits | 22 | $61.0M |
All 13F filers, Q4 2024 → Q1 2025: 4,856,010 shares bought and 3,194,174 shares sold, net +1,661,836 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 256 holders
| Vanguard Group Inc. | 0.01% | Reduce -0.9% | 3,108,194 | $325.4M |
| Sands Capital Management, LLC | 1.07% | Reduce -5.0% | 3,016,207 | $315.7M |
| Artisan Partners Limited Partnership | 0.48% | Add +1.9% | 2,814,280 | $294.6M |
| BlackRock, Inc. | 0.01% | Reduce -0.9% | 2,703,345 | $283.0M |
| Capital Research Global Investors | 0.05% | Add +34.5% | 2,202,622 | $230.6M |
| Mackenzie Financial Corp. | 0.17% | Reduce -16.4% | 1,155,954 | $121.0M |
| State Street Corp. | 0.00% | Reduce -3.3% | 917,688 | $96.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.02% | Add +169.7% | 903,084 | $94.5M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.25% | Reduce -2.3% | 879,816 | $92.1M |
| Champlain Investment Partners, LLC | 0.62% | Add +13.3% | 822,791 | $86.1M |
| Blair William & Co. | 0.25% | Add +30.6% | 789,999 | $82.7M |
| Geode Capital Management, LLC | 0.01% | Add +2.6% | 750,369 | $78.6M |
| Eventide Asset Management, LLC | 1.54% | Add +0.1% | 740,062 | $77.5M |
| Westfield Capital Management Co. LP | 0.31% | Reduce -19.4% | 617,078 | $64.6M |
| Bessemer Group Inc. | 0.11% | Add +1.1% | 574,053 | $60.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -20.4% | 562,514 | $58.9M |
| Braidwell LP | 3.04% | Reduce -21.1% | 556,391 | $58.2M |
| Allspring Global Investments Holdings, LLC | 0.10% | Reduce -9.0% | 518,618 | $55.4M |
| Stephens Investment Management Group LLC | 0.79% | Add +3.5% | 520,582 | $54.5M |
| Fuller & Thaler Asset Management, Inc. | 0.21% | New | 518,240 | $54.2M |
| FMR LLC | 0.00% | Reduce -2.6% | 463,223 | $48.5M |
| Goldman Sachs Group Inc. | 0.01% | Add +33.5% | 433,780 | $45.4M |
| Point72 Asset Management | 0.13% | New | 420,303 | $44.0M |
| Millennium Management | 0.04% | Add +563.8% | 399,746 | $41.8M |
| Ophir Asset Management Pty Ltd | 6.91% | Reduce -11.6% | 377,682 | $39.5M |
| Bank of America Corp. | 0.00% | Add +47.3% | 371,920 | $38.9M |
| Slate Path Capital LP | 0.69% | Reduce -28.4% | 365,400 | $38.3M |
| Bank of New York Mellon Corp | 0.01% | Reduce -27.3% | 357,501 | $37.4M |
| First Light Asset Management, LLC | 3.89% | Reduce -24.5% | 325,046 | $34.0M |
| Schroder Investment Management Group | 0.03% | Add +2.1% | 314,690 | $33.0M |
| Sei Investments Co. | 0.04% | Reduce -1.9% | 312,762 | $32.7M |
| Northern Trust Corp. | 0.00% | Add +1.6% | 292,009 | $30.6M |
| Jennison Associates LLC | 0.02% | New | 280,187 | $29.3M |
| Lord, Abbett & Co. LLC | 0.10% | New | 258,628 | $27.1M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -1.9% | 254,579 | $26.6M |
| Rock Springs Capital Management LP | 1.53% | Reduce -36.0% | 254,300 | $26.6M |
| Fred Alger Management, LLC | 0.15% | Reduce -8.4% | 249,714 | $26.1M |
| Morgan Stanley | 0.00% | Reduce -7.6% | 232,669 | $24.4M |
| Frontier Capital Management Co. LLC | 0.26% | Reduce -36.7% | 224,910 | $23.5M |
| Next Century Growth Investors LLC | 1.94% | New | 208,220 | $21.8M |
| Deutsche Bank AG | 0.01% | Reduce -0.0% | 204,915 | $21.5M |
| Barclays PLC | 0.01% | Reduce -7.0% | 200,482 | $21.0M |
| Manufacturers Life Insurance Company, The | 0.02% | Add +0.2% | 196,358 | $20.6M |
| Citigroup Inc. | 0.01% | Reduce -2.7% | 185,142 | $19.4M |
| UBS Group AG | 0.00% | Add +7.3% | 183,106 | $19.2M |
| Verition Fund Management LLC | 0.10% | New | 166,472 | $17.4M |
| Wellington Management Group LLP | 0.00% | Reduce -29.2% | 165,642 | $17.3M |
| New York State Common Retirement Fund | 0.02% | Add +26.1% | 160,886 | $16.8M |
| Alberta Investment Management Corp | 0.11% | No change | 145,166 | $15.2M |
| WCM Investment Management, LLC | 0.04% | Add +0.2% | 138,437 | $14.5M |
| Freestone Grove Partners LP | 0.15% | Add +719.6% | 136,972 | $14.3M |
| Segall Bryant & Hamill, LLC | 0.21% | Reduce -6.2% | 130,748 | $13.7M |
| Raymond James Financial Inc. | 0.00% | Add +8.5% | 110,126 | $11.5M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | No change | 100,000 | $10.5M |
| Amundi | 0.00% | Reduce -6.8% | 95,854 | $10.2M |
| Silvercrest Asset Management Group LLC | 0.07% | Reduce -0.3% | 94,881 | $9.9M |
| Nuveen, LLC | 0.00% | — | 92,729 | $9.7M |
| Peregrine Capital Management LLC | 0.29% | Reduce -16.2% | 83,055 | $8.7M |
| C WorldWide Group Holding A/S | 0.10% | No change | 80,000 | $8.4M |
| State of Wisconsin Investment Board | 0.02% | Add +0.8% | 75,040 | $7.9M |
| Point72 (DIFC) Ltd | 0.73% | New | 72,129 | $7.6M |
| Ameriprise Financial Inc. | 0.00% | Reduce -3.6% | 68,677 | $7.2M |
| Comerica Bank | 0.03% | Reduce -16.1% | 62,228 | $6.5M |
| Swiss National Bank | 0.00% | Reduce -1.1% | 60,700 | $6.4M |
| Redmile Group, LLC | 0.56% | New | 56,844 | $6.0M |
| Susquehanna International Group, LLP | 0.01% | Add +110.2% | 55,108 | $5.8M |
| Macquarie Group Ltd. | 0.01% | Add +80.7% | 54,917 | $5.7M |
| Engineers Gate Manager LP | 0.10% | Reduce -11.9% | 54,576 | $5.7M |
| Harbor Capital Advisors, Inc. | 0.26% | Reduce -36.2% | 54,233 | $5.7M |
| Principal Financial Group Inc. | 0.00% | Add +1793.7% | 50,449 | $5.3M |
| Polar Capital Holdings Plc | 0.03% | No change | 49,773 | $5.2M |
| Castleark Management LLC | 0.18% | New | 48,290 | $5.1M |
| Banque Pictet & Cie SA | 0.05% | Reduce -21.5% | 46,545 | $4.9M |
| Rhumbline Advisers | 0.00% | Add +7.0% | 45,946 | $4.8M |
| Jane Street Group, LLC | 0.01% | Add +55.4% | 45,753 | $4.8M |
| Cubist Systematic Strategies, LLC | 0.06% | New | 43,717 | $4.6M |
| Legal & General Group Plc | 0.00% | Reduce -4.5% | 42,911 | $4.5M |
| Susquehanna Fundamental Investments, LLC | 0.07% | Add +1.3% | 42,414 | $4.4M |
| Cinctive Capital Management LP | 0.31% | Add +357.7% | 37,260 | $3.9M |
| Alliancebernstein L.P. | 0.00% | Reduce -7.2% | 36,847 | $3.9M |
| Envestnet Asset Management Inc. | 0.00% | Add +118.8% | 35,816 | $3.7M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | Add +2.7% | 35,271 | $3.7M |
| EFG Asset Management (North America) Corp. | 0.60% | Add +22.4% | 34,808 | $3.6M |
| First Trust Advisors LP | 0.00% | New | 33,860 | $3.5M |
| Homestead Advisers Corp | 0.08% | Add +15.3% | 32,400 | $3.4M |
| Squarepoint Ops LLC | 0.01% | Add +34.6% | 29,959 | $3.1M |
| California State Teachers Retirement System | 0.00% | Reduce -1.4% | 28,818 | $3.0M |
| Kampmann Melissa S. | 2.07% | Add +4.6% | 25,025 | $2.6M |
| Fieldview Capital Management, LLC | 0.36% | New | 24,203 | $2.5M |
| Wells Fargo & Company | 0.00% | Add +14.4% | 23,993 | $2.5M |
| T. Rowe Price Associates Inc. | 0.00% | Add +9.9% | 22,907 | $2.4M |
| Invesco Ltd. | 0.00% | Add +15.7% | 22,216 | $2.3M |
| Renaissance Technologies | 0.00% | New | 22,100 | $2.3M |
| DLD Asset Management, LP | 1.98% | Reduce -35.8% | 21,960 | $2.3M |
| Jefferies Financial Group Inc. | 0.04% | New | 21,844 | $2.3M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -6.4% | 20,847 | $2.2M |
| Trexquant Investment LP | 0.03% | New | 20,791 | $2.2M |
| Mutual of America Capital Management LLC | 0.03% | Add +0.3% | 20,727 | $2.2M |
| Atle Fund Management AB | 0.95% | New | 20,547 | $2.2M |
| B. Metzler seel. Sohn & Co. AG | 0.02% | No change | 20,500 | $2.1M |
"% of holder's portfolio" is IRTC's weight in each manager's 13F, not the share of Irhythm Holdings Inc. the manager owns.