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; 304 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 | 304 | $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 |
|---|---|---|---|---|---|
| Millennium Management LLC | 124,603 | $14.5M | 0.01% | +70,097+128.6% | Added |
| WCM Investment Management, LLC | 138,369 | $16.1M | 0.04% | +5,174+3.9% | Added |
| Balyasny Asset Management LLC | 141,705 | $16.4M | 0.04% | −161,705−53.3% | Reduced |
| Nuveen Asset Management, LLC | 141,873 | $16.5M | 0.00% | +56,770+66.7% | Added |
| Legal & General Group Plc | 157,171 | $18.2M | 0.01% | −43,287−21.6% | Reduced |
| Manufacturers Life Insurance Company, The | 172,015 | $20.0M | 0.02% | −5,079−2.9% | Reduced |
| Exchange Traded Concepts, LLC | 172,924 | $20.1M | 0.52% | −45,491−20.8% | Reduced |
| Morgan Stanley | 185,097 | $21.5M | 0.00% | −102,647−35.7% | Reduced |
| Bank of America Corp | 199,295 | $23.1M | 0.00% | +61,101+44.2% | Added |
| Alyeska Investment Group, L.P. | 203,576 | $23.6M | 0.15% | +203,576 | New |
| Wellington Management Group LLP | 208,998 | $24.2M | 0.00% | −8,973−4.1% | Reduced |
| New York State Common Retirement Fund | 209,895 | $24.3M | 0.03% | +14,191+7.3% | Added |
| Goldman Sachs Group Inc | 210,134 | $24.4M | 0.01% | +49,406+30.7% | Added |
| Price T Rowe Associates Inc | 220,621 | $25.6M | 0.00% | −171,833−43.8% | Reduced |
| Fred Alger Management, LLC | 224,289 | $26.0M | 0.13% | −5,581−2.4% | Reduced |
| Norges Bank | 235,170 | $27.3M | 0.00% | −12,606−5.1% | Reduced |
| SEI Investments Co | 235,361 | $27.3M | 0.04% | +15,381+7.0% | Added |
| Eventide Asset Management, LLC | 239,135 | $27.7M | 0.44% | 00.0% | Unchanged |
| Lord, Abbett & Co. LLC | 241,681 | $28.0M | 0.09% | +57,960+31.5% | Added |
| Charles Schwab Investment Management Inc | 244,131 | $28.3M | 0.01% | +4,472+1.9% | Added |
| Perceptive Advisors LLC | 245,205 | $28.4M | 0.50% | +245,205 | New |
| Bessemer Group Inc | 275,911 | $32.0M | 0.06% | −47,776−14.8% | Reduced |
| Northern Trust Corp | 281,940 | $32.7M | 0.01% | −7,282−2.5% | Reduced |
| Schroder Investment Management Group | 288,610 | $33.5M | 0.04% | +288,610 | New |
| Loomis Sayles & Co L P | 305,942 | $35.5M | 0.05% | +305,942 | New |
| FMR LLC | 311,605 | $36.1M | 0.00% | +194,218+165.5% | Added |
| Citadel Advisors LLC | 318,197 | $36.9M | 0.04% | +294,062+1,218.4% | Added |
| Fiera Capital Corp | 388,913 | $45.1M | 0.13% | −10,287−2.6% | Reduced |
| Rock Springs Capital Management LP | 392,250 | $45.5M | 1.16% | +41,500+11.8% | Added |
| Stephens Investment Management Group LLC | 411,773 | $47.8M | 0.64% | +52,548+14.6% | Added |
| Allspring Global Investments Holdings, LLC | 415,026 | $48.1M | 0.08% | +49,168+13.4% | Added |
| First Light Asset Management, LLC | 420,892 | $48.8M | 3.74% | +268,829+176.8% | Added |
| Credit Suisse AG | 454,827 | $52.8M | 0.05% | −19,296−4.1% | Reduced |
| Point72 Asset Management, L.P. | 477,534 | $55.4M | 0.16% | +149,034+45.4% | Added |
| Braidwell LP | 483,257 | $56.1M | 1.81% | −84,900−14.9% | Reduced |
| Westfield Capital Management Co LP | 502,678 | $58.3M | 0.31% | +502,678 | New |
| Slate Path Capital LP | 510,500 | $59.2M | 1.17% | −336,400−39.7% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 511,905 | $59.4M | 0.16% | +64,755+14.5% | Added |
| Champlain Investment Partners, LLC | 575,800 | $66.8M | 0.38% | +293,710+104.1% | Added |
| Bank of New York Mellon Corp | 582,006 | $67.5M | 0.01% | −129,909−18.2% | Reduced |
| Invesco Ltd. | 583,998 | $67.7M | 0.01% | +131,484+29.1% | Added |
| Geode Capital Management, LLC | 690,760 | $80.1M | 0.01% | +19,321+2.9% | Added |
| State Street Corp | 769,233 | $89.2M | 0.00% | −8,294−1.1% | Reduced |
| Blair William & Co | 832,934 | $96.6M | 0.30% | +27,842+3.5% | Added |
| Holocene Advisors, LP | 918,649 | $106.6M | 0.39% | −44,717−4.6% | Reduced |
| JPMorgan Chase & Co | 963,262 | $111.7M | 0.01% | −198,444−17.1% | Reduced |
| Alliancebernstein L.P. | 1,234,918 | $143.3M | 0.05% | −52,732−4.1% | Reduced |
| Mackenzie Financial Corp | 1,348,233 | $156.4M | 0.23% | +83,526+6.6% | Added |
| Sands Capital Management, LLC | 2,143,026 | $248.6M | 0.70% | −94,724−4.2% | Reduced |
| Artisan Partners Limited Partnership | 2,144,942 | $248.8M | 0.36% | +73,442+3.5% | Added |
| BlackRock Inc. | 2,441,123 | $283.2M | 0.01% | −53,280−2.1% | Reduced |
| Capital Research Global Investors | 2,495,334 | $289.5M | 0.07% | −2920.0% | Reduced |
| Vanguard Group Inc | 2,949,442 | $342.1M | 0.01% | −44,001−1.5% | Reduced |
| Summit Partners Public Asset Management, LLC | 0 | $0 | 0.00% | −415,089−100.0% | Sold out |
| LTS One Management LP | 0 | $0 | 0.00% | −350,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −209,537−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −18,704−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −17,297−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −10,929−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −8,764−100.0% | Sold out |
| Western Standard LLC | 0 | $0 | 0.00% | −5,924−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −5,783−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −5,430−100.0% | Sold out |
| AlphaCentric Advisors LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −4,083−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −3,300−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −2,920−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −2,670−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −2,331−100.0% | Sold out |
| AlTi Global, Inc. | 0 | $0 | 0.00% | −2,311−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −2,120−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −710−100.0% | Sold out |
| Focused Wealth Management, Inc | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −41−100.0% | Sold out |