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, Q1 2023
Institutional positions in iRhythm Holdings, Inc. as of Mar 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
- 209
- +2 vs. Q4 2022
- Shares held
- 33.6M
- +2.46M (+7.9%) vs. Q4 2022
- Total value
- $4.18B
- +$1.26B (+43.3%) vs. Q4 2022
- New holders
- 34
- 80 more added
- Sold out
- 32
- 63 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alliancebernstein L.P. | 1,128,389 | $140.0M | 0.06% | −95,840−7.8% | Reduced |
| JPMorgan Chase & Co | 1,173,027 | $145.5M | 0.02% | +40,312+3.6% | Added |
| Mackenzie Financial Corp | 1,237,428 | $153.5M | 0.24% | −9,096−0.7% | Reduced |
| Artisan Partners Limited Partnership | 1,373,319 | $170.3M | 0.28% | −22,427−1.6% | Reduced |
| Capital Research Global Investors | 1,748,851 | $216.9M | 0.06% | +396,525+29.3% | Added |
| FMR LLC | 2,252,698 | $279.4M | 0.03% | +2,247,164+40,606.5% | Added |
| BlackRock Inc. | 2,268,707 | $281.4M | 0.01% | −19,863−0.9% | Reduced |
| Sands Capital Management, LLC | 2,418,399 | $300.0M | 0.99% | −249,029−9.3% | Reduced |
| Vanguard Group Inc | 2,913,802 | $361.4M | 0.01% | +36,953+1.3% | Added |
| Industrial Alliance Investment Management Inc. | 0 | $0 | 0.00% | −38,617−100.0% | Sold out |
| Western Standard LLC | 0 | $0 | 0.00% | −29,560−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −25,283−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −19,402−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −12,990−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −12,371−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −11,170−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −11,024−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −7,039−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −6,435−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −5,064−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −4,807−100.0% | Sold out |
| Gabelli Funds LLC | 0 | $0 | 0.00% | −4,700−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −4,441−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −4,432−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −3,742−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −3,707−100.0% | Sold out |
| Boulder Hill Capital Management LP | 0 | $0 | 0.00% | −3,300−100.0% | Sold out |
| Robeco Institutional Asset Management B.V. | 0 | $0 | 0.00% | −2,594−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −2,234−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −1,864−100.0% | Sold out |
| Kraematon Investment Advisors, Inc | 0 | $0 | 0.00% | −525−100.0% | Sold out |
| Laurel Wealth Planning LLC | 0 | $0 | 0.00% | −190−100.0% | Sold out |
| BDO Wealth Advisors, LLC | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| RFP Financial Group LLC | 0 | $0 | 0.00% | −95−100.0% | Sold out |
| Hanseatic Management Services Inc | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| Crewe Advisors LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Retirement Financial Solutions, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Accurate Wealth Management, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Sofos Investments, Inc. | 0 | $0 | 0.00% | −94−100.0% | Sold out |
| Laurel Wealth Advisors, Inc. | – | – | – | – | Not filed |