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 2026
Institutional positions in iRhythm Holdings, Inc. as of Jun 30, 2026. 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
- 303
- +3 vs. Q1 2026
- Shares held
- 35.6M
- +115.1K (+0.3%) vs. Q1 2026
- Total value
- $4.24B
- +$46.2M (+1.1%) vs. Q1 2026
- New holders
- 44
- 120 more added
- Sold out
- 41
- 91 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Portfolio Management LLC | 1,913,976 | $227.7M | 0.01% | +117,604+6.5% | Added |
| RTW Investments, LP | 2,182,631 | $259.6M | 2.22% | +514,131+30.8% | Added |
| BlackRock, Inc. | 2,985,667 | $355.1M | 0.01% | +244,162+8.9% | Added |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −371,475−100.0% | Sold out |
| M&G Plc | 0 | $0 | 0.00% | −85,062−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −75,162−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −52,600−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −44,984−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −34,950−100.0% | Sold out |
| KCM Capital Inc | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −29,400−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −27,193−100.0% | Sold out |
| Congress Asset Management Co | 0 | $0 | 0.00% | −16,461−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −15,344−100.0% | Sold out |
| RE Advisers Corp | 0 | $0 | 0.00% | −13,300−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −8,289−100.0% | Sold out |
| Morris Retirement Advisors, LLC | 0 | $0 | 0.00% | −3,210−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −3,063−100.0% | Sold out |
| Truist Financial Corp | 0 | $0 | 0.00% | −2,709−100.0% | Sold out |
| Vise Technologies, Inc. | 0 | $0 | 0.00% | −1,727−100.0% | Sold out |
| Everence Capital Management Inc | 0 | $0 | 0.00% | −2,590−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −2,407−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −2,201−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −2,172−100.0% | Sold out |
| Frank, Rimerman Advisors LLC | 0 | $0 | 0.00% | −2,045−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −1,900−100.0% | Sold out |
| Keybank National Association | 0 | $0 | 0.00% | −1,847−100.0% | Sold out |
| Oppenheimer Asset Management Inc. | 0 | $0 | 0.00% | −1,833−100.0% | Sold out |
| SeaCrest Wealth Management, LLC | 0 | $0 | 0.00% | −1,830−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −1,755−100.0% | Sold out |
| Van Eck Associates Corp | 0 | $0 | 0.00% | −1,407−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −821−100.0% | Sold out |
| Antipodes Partners Ltd | 0 | $0 | 0.00% | −655−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −463−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −182−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| First Horizon Corp | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Central Trust Co | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| UMA Financial Services, Inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Godfrey Financial Associates, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Cim Investment Mangement Inc | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Evelyn Partners Investment Management LLP | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |