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 2022
Institutional positions in iRhythm Holdings, Inc. as of Mar 31, 2022. 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
- +13 vs. Q4 2021
- Shares held
- 30.4M
- +1.22M (+4.2%) vs. Q4 2021
- Total value
- $4.78B
- +$1.35B (+39.3%) vs. Q4 2021
- New holders
- 40
- 74 more added
- Sold out
- 27
- 79 more reduced
4 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2021: 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 2022
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ensign Peak Advisors, Inc | 7,740 | $1.22M | 0.00% | +2,150+38.5% | Added |
| Parian Global Management LP | 7,898 | $1.24M | 2.56% | −46,568−85.5% | Reduced |
| Arizona State Retirement System | 7,954 | $1.25M | 0.01% | +40+0.5% | Added |
| Principal Financial Group Inc | 8,766 | $1.38M | 0.00% | +214+2.5% | Added |
| Advisor Group Holdings, Inc. | 8,959 | $1.41M | 0.00% | +6,009+203.7% | Added |
| WoodTrust Financial Corp | 9,282 | $1.46M | 0.30% | −500−5.1% | Reduced |
| Oppenheimer Asset Management Inc. | 9,569 | $1.51M | 0.02% | −858−8.2% | Reduced |
| Polar Capital Holdings Plc | 9,691 | $1.53M | 0.01% | +9,691 | New |
| State Board of Administration of Florida Retirement System | 11,037 | $1.74M | 0.00% | −570−4.9% | Reduced |
| Voya Investment Management LLC | 11,576 | $1.82M | 0.00% | +112+1.0% | Added |
| Panagora Asset Management Inc | 11,676 | $1.84M | 0.01% | −2,587−18.1% | Reduced |
| STRS Ohio | 12,300 | $1.94M | 0.01% | +1,300+11.8% | Added |
| Dowling & Yahnke LLC | 13,110 | $2.06M | 0.09% | +7,645+139.9% | Added |
| Prelude Capital Management, LLC | 13,138 | $2.07M | 0.10% | −10,130−43.5% | Reduced |
| EAM Investors, LLC | 13,137 | $2.07M | 0.39% | +13,137 | New |
| AQR Capital Management LLC | 13,620 | $2.15M | 0.00% | +7,884+137.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 13,817 | $2.18M | 0.01% | −641−4.4% | Reduced |
| American International Group, Inc. | 14,650 | $2.31M | 0.01% | −1,031−6.6% | Reduced |
| Stifel Financial Corp | 14,997 | $2.36M | 0.00% | −110−0.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 15,000 | $2.36M | 0.03% | +15,000 | New |
| EAM Global Investors LLC | 15,015 | $2.36M | 0.44% | +15,015 | New |
| Squarepoint Ops LLC | 15,746 | $2.48M | 0.02% | +13,047+483.4% | Added |
| MetLife Investment Management | 15,778 | $2.48M | 0.02% | +5,205+49.2% | Added |
| Exchange Traded Concepts, LLC | 15,829 | $2.49M | 0.05% | −12,177−43.5% | Reduced |
| Gilder Gagnon Howe & Co LLC | 17,481 | $2.75M | 0.03% | −408−2.3% | Reduced |
| Jane Street Group, LLC | 17,641 | $2.78M | 0.01% | −37,257−67.9% | Reduced |
| GAM Holding AG | 17,801 | $2.80M | 0.14% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 18,700 | $2.94M | 0.00% | +18,700 | New |
| Deutsche Bank AG | 19,370 | $3.05M | 0.00% | −1,694−8.0% | Reduced |
| Stanley-Laman Group, Ltd. | 19,735 | $3.11M | 0.43% | −991−4.8% | Reduced |
| EULAV Asset Management | 20,300 | $3.20M | 0.10% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 20,597 | $3.24M | 0.00% | −631−3.0% | Reduced |
| Truist Financial Corp | 20,863 | $3.29M | 0.01% | +20,863 | New |
| Bradley Mark J. | 21,865 | $3.44M | 2.45% | −85−0.4% | Reduced |
| State of New Jersey Common Pension Fund D | 22,688 | $3.57M | 0.01% | −5,328−19.0% | Reduced |
| Brinker Capital Investments, LLC | 23,052 | $3.63M | 0.06% | −1,280−5.3% | Reduced |
| Prudential Financial Inc | 26,233 | $4.13M | 0.01% | +23,971+1,059.7% | Added |
| Mutual of America Capital Management LLC | 26,658 | $4.20M | 0.04% | −1,157−4.2% | Reduced |
| Clough Capital Partners L P | 26,695 | $4.20M | 0.32% | −68,680−72.0% | Reduced |
| Eversept Partners, LP | 27,047 | $4.26M | 0.39% | −46,122−63.0% | Reduced |
| SEI Investments Co | 28,308 | $4.46M | 0.01% | +16,473+139.2% | Added |
| Sectoral Asset Management Inc | 28,800 | $4.54M | 0.81% | +28,800 | New |
| Calamos Advisors LLC | 29,971 | $4.72M | 0.02% | +29,971 | New |
| UBS Group AG | 30,056 | $4.73M | 0.00% | +28,737+2,178.7% | Added |
| Cinctive Capital Management LP | 30,600 | $4.82M | 0.22% | +16,600+118.6% | Added |
| Rhumbline Advisers | 31,072 | $4.89M | 0.01% | −631−2.0% | Reduced |
| AXA S.A. | 31,507 | $4.96M | 0.01% | 00.0% | Unchanged |
| ClariVest Asset Management LLC | 32,004 | $5.04M | 0.20% | +25,867+421.5% | Added |
| Royal Bank of Canada | 32,093 | $5.05M | 0.00% | −5,348−14.3% | Reduced |
| Fred Alger Management, LLC | 32,252 | $5.08M | 0.02% | +32,252 | New |
| Manufacturers Life Insurance Company, The | 35,352 | $5.43M | 0.00% | +20,399+136.4% | Added |
| Western Standard LLC | 47,200 | $5.82M | 5.53% | +25,600+118.5% | Added |
| California State Teachers Retirement System | 37,659 | $5.93M | 0.01% | −3,230−7.9% | Reduced |
| Russell Investments Group, Ltd. | 38,374 | $6.04M | 0.01% | +6,889+21.9% | Added |
| TD Asset Management Inc | 39,226 | $6.18M | 0.01% | +3,200+8.9% | Added |
| UBS Asset Management Americas Inc | 39,255 | $6.18M | 0.00% | +1,018+2.7% | Added |
| Bridgewater Associates, LP | 41,244 | $6.50M | 0.03% | +9,880+31.5% | Added |
| Castleark Management LLC | 51,190 | $8.06M | 0.35% | +51,190 | New |
| Islet Management, LP | 55,000 | $8.66M | 1.07% | +55,000 | New |
| Parametric Portfolio Associates LLC | 55,800 | $8.79M | 0.00% | +13,214+31.0% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 59,770 | $9.41M | 0.06% | −6,023−9.2% | Reduced |
| Integral Health Asset Management, LLC | 60,000 | $9.45M | 2.46% | +20,000+50.0% | Added |
| State of Wisconsin Investment Board | 60,500 | $9.53M | 0.02% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 68,492 | $10.8M | 0.00% | +2,603+4.0% | Added |
| Swiss National Bank | 69,600 | $11.0M | 0.01% | +4,800+7.4% | Added |
| D. E. Shaw & Co., Inc. | 78,485 | $12.4M | 0.02% | −44,837−36.4% | Reduced |
| Lisanti Capital Growth, LLC | 79,920 | $12.6M | 1.41% | +58,280+269.3% | Added |
| C WorldWide Group Holding A/S | 80,000 | $12.6M | 0.14% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 83,056 | $13.1M | 0.07% | 00.0% | Unchanged |
| Barclays PLC | 85,000 | $13.4M | 0.01% | +85,000 | New |
| Ameriprise Financial Inc | 93,839 | $14.8M | 0.00% | +30,275+47.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 94,952 | $15.0M | 0.03% | −13,865−12.7% | Reduced |
| Wellington Management Group LLP | 95,193 | $15.0M | 0.00% | −212,977−69.1% | Reduced |
| Assenagon Asset Management S.A. | 96,038 | $15.1M | 0.05% | +96,038 | New |
| Eminence Capital, LP | 101,884 | $16.0M | 0.26% | +101,884 | New |
| CWM, LLC | 102,864 | $16.2M | 0.11% | −14,917−12.7% | Reduced |
| Morgan Stanley | 103,141 | $16.2M | 0.00% | +25,545+32.9% | Added |
| Parkman Healthcare Partners LLC | 103,981 | $16.4M | 4.79% | +42,001+67.8% | Added |
| Nuveen Asset Management, LLC | 119,555 | $16.7M | 0.01% | +2,371+2.0% | Added |
| Voloridge Investment Management, LLC | 118,593 | $18.7M | 0.11% | +1,613+1.4% | Added |
| HRT Financial LP | 121,706 | $19.2M | 0.14% | −10,757−8.1% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 128,518 | $20.2M | 1.59% | −32,825−20.3% | Reduced |
| Atika Capital Management LLC | 136,588 | $21.5M | 2.05% | +136,588 | New |
| Wells Fargo & Company | 152,827 | $24.1M | 0.01% | +34,980+29.7% | Added |
| Bank of America Corp | 153,670 | $24.2M | 0.00% | −5,969−3.7% | Reduced |
| Polar Asset Management Partners Inc. | 155,600 | $24.5M | 0.30% | +27,200+21.2% | Added |
| Goldman Sachs Group Inc | 156,704 | $24.7M | 0.01% | +99,182+172.4% | Added |
| Bridger Management, LLC | 158,479 | $25.0M | 4.09% | −150,621−48.7% | Reduced |
| Legal & General Group Plc | 164,849 | $26.0M | 0.01% | −95,117−36.6% | Reduced |
| Vident Investment Advisory, LLC | 171,916 | $27.1M | 0.70% | −107,294−38.4% | Reduced |
| Point72 Asset Management, L.P. | 188,506 | $29.7M | 0.13% | +153,606+440.1% | Added |
| Allspring Global Investments Holdings, LLC | 210,503 | $33.1M | 0.04% | +168,997+407.2% | Added |
| Charles Schwab Investment Management Inc | 213,850 | $33.7M | 0.01% | +4,874+2.3% | Added |
| Bank of New York Mellon Corp | 237,225 | $37.4M | 0.01% | −76,456−24.4% | Reduced |
| New York State Common Retirement Fund | 251,472 | $39.6M | 0.04% | +25,950+11.5% | Added |
| Northern Trust Corp | 286,692 | $45.1M | 0.01% | −11,049−3.7% | Reduced |
| Artisan Partners Limited Partnership | 328,533 | $51.7M | 0.07% | +177,630+117.7% | Added |
| Stephens Investment Management Group LLC | 354,029 | $55.7M | 0.82% | +5,432+1.6% | Added |
| Norges Bank | 355,060 | $55.9M | 0.01% | +20,671+6.2% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 370,636 | $58.4M | 0.20% | −17,945−4.6% | Reduced |