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 |
|---|---|---|---|---|---|
| Sands Capital Management, LLC | 3,024,758 | $476.3M | 1.10% | −17,109−0.6% | Reduced |
| Vanguard Group Inc | 2,714,221 | $427.4M | 0.01% | +33,521+1.3% | Added |
| BlackRock Inc. | 2,093,147 | $329.6M | 0.01% | +8,440+0.4% | Added |
| JPMorgan Chase & Co | 1,619,374 | $255.0M | 0.03% | −460,055−22.1% | Reduced |
| Capital Research Global Investors | 1,411,300 | $222.2M | 0.05% | +534,300+60.9% | Added |
| Mackenzie Financial Corp | 1,175,842 | $185.2M | 0.25% | −509,588−30.2% | Reduced |
| Alliancebernstein L.P. | 1,128,377 | $177.7M | 0.07% | +1,079,912+2,228.2% | Added |
| LTS One Management LP | 1,010,000 | $159.0M | 17.85% | +210,000+26.3% | Added |
| Credit Suisse AG | 874,176 | $137.7M | 0.12% | −270,617−23.6% | Reduced |
| Invesco Ltd. | 805,511 | $126.8M | 0.03% | +63,816+8.6% | Added |
| State Street Corp | 757,206 | $119.2M | 0.01% | −15,659−2.0% | Reduced |
| Holocene Advisors, LP | 751,508 | $118.3M | 0.63% | +120,110+19.0% | Added |
| Fiera Capital Corp | 739,415 | $116.4M | 0.30% | −7,301−1.0% | Reduced |
| Blair William & Co | 691,163 | $108.8M | 0.38% | −63,892−8.5% | Reduced |
| Price T Rowe Associates Inc | 586,699 | $92.4M | 0.01% | +62,194+11.9% | Added |
| Lord, Abbett & Co. LLC | 538,035 | $84.7M | 0.23% | +538,035 | New |
| Geode Capital Management, LLC | 523,231 | $82.4M | 0.01% | +15,231+3.0% | Added |
| PFM Health Sciences, LP | 493,721 | $77.7M | 3.00% | −30,261−5.8% | Reduced |
| Janus Henderson Group PLC | 473,475 | $74.6M | 0.04% | −20,161−4.1% | Reduced |
| Bessemer Group Inc | 446,264 | $70.3M | 0.15% | +20,626+4.8% | Added |
| Rock Springs Capital Management LP | 436,000 | $68.7M | 1.73% | +3,000+0.7% | Added |
| Citadel Advisors LLC | 399,406 | $62.9M | 0.07% | −109,188−21.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 370,636 | $58.4M | 0.20% | −17,945−4.6% | Reduced |
| Norges Bank | 355,060 | $55.9M | 0.01% | +20,671+6.2% | Added |
| Stephens Investment Management Group LLC | 354,029 | $55.7M | 0.82% | +5,432+1.6% | Added |
| Artisan Partners Limited Partnership | 328,533 | $51.7M | 0.07% | +177,630+117.7% | Added |
| Northern Trust Corp | 286,692 | $45.1M | 0.01% | −11,049−3.7% | Reduced |
| New York State Common Retirement Fund | 251,472 | $39.6M | 0.04% | +25,950+11.5% | Added |
| Bank of New York Mellon Corp | 237,225 | $37.4M | 0.01% | −76,456−24.4% | Reduced |
| Charles Schwab Investment Management Inc | 213,850 | $33.7M | 0.01% | +4,874+2.3% | Added |
| Allspring Global Investments Holdings, LLC | 210,503 | $33.1M | 0.04% | +168,997+407.2% | Added |
| Point72 Asset Management, L.P. | 188,506 | $29.7M | 0.13% | +153,606+440.1% | Added |
| Vident Investment Advisory, LLC | 171,916 | $27.1M | 0.70% | −107,294−38.4% | Reduced |
| Legal & General Group Plc | 164,849 | $26.0M | 0.01% | −95,117−36.6% | Reduced |
| Bridger Management, LLC | 158,479 | $25.0M | 4.09% | −150,621−48.7% | Reduced |
| Goldman Sachs Group Inc | 156,704 | $24.7M | 0.01% | +99,182+172.4% | Added |
| Polar Asset Management Partners Inc. | 155,600 | $24.5M | 0.30% | +27,200+21.2% | Added |
| Bank of America Corp | 153,670 | $24.2M | 0.00% | −5,969−3.7% | Reduced |
| Wells Fargo & Company | 152,827 | $24.1M | 0.01% | +34,980+29.7% | Added |
| Atika Capital Management LLC | 136,588 | $21.5M | 2.05% | +136,588 | New |
| Lombard Odier Asset Management (Switzerland) SA | 128,518 | $20.2M | 1.59% | −32,825−20.3% | Reduced |
| HRT Financial LP | 121,706 | $19.2M | 0.14% | −10,757−8.1% | Reduced |
| Voloridge Investment Management, LLC | 118,593 | $18.7M | 0.11% | +1,613+1.4% | Added |
| Nuveen Asset Management, LLC | 119,555 | $16.7M | 0.01% | +2,371+2.0% | Added |
| Parkman Healthcare Partners LLC | 103,981 | $16.4M | 4.79% | +42,001+67.8% | Added |
| Morgan Stanley | 103,141 | $16.2M | 0.00% | +25,545+32.9% | Added |
| CWM, LLC | 102,864 | $16.2M | 0.11% | −14,917−12.7% | Reduced |
| Eminence Capital, LP | 101,884 | $16.0M | 0.26% | +101,884 | New |
| Assenagon Asset Management S.A. | 96,038 | $15.1M | 0.05% | +96,038 | New |
| Wellington Management Group LLP | 95,193 | $15.0M | 0.00% | −212,977−69.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 94,952 | $15.0M | 0.03% | −13,865−12.7% | Reduced |
| Ameriprise Financial Inc | 93,839 | $14.8M | 0.00% | +30,275+47.6% | Added |
| Barclays PLC | 85,000 | $13.4M | 0.01% | +85,000 | New |
| Alberta Investment Management Corp | 83,056 | $13.1M | 0.07% | 00.0% | Unchanged |
| C WorldWide Group Holding A/S | 80,000 | $12.6M | 0.14% | 00.0% | Unchanged |
| Lisanti Capital Growth, LLC | 79,920 | $12.6M | 1.41% | +58,280+269.3% | Added |
| D. E. Shaw & Co., Inc. | 78,485 | $12.4M | 0.02% | −44,837−36.4% | Reduced |
| Swiss National Bank | 69,600 | $11.0M | 0.01% | +4,800+7.4% | Added |
| Dimensional Fund Advisors LP | 68,492 | $10.8M | 0.00% | +2,603+4.0% | Added |
| State of Wisconsin Investment Board | 60,500 | $9.53M | 0.02% | 00.0% | Unchanged |
| Integral Health Asset Management, LLC | 60,000 | $9.45M | 2.46% | +20,000+50.0% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 59,770 | $9.41M | 0.06% | −6,023−9.2% | Reduced |
| Parametric Portfolio Associates LLC | 55,800 | $8.79M | 0.00% | +13,214+31.0% | Added |
| Islet Management, LP | 55,000 | $8.66M | 1.07% | +55,000 | New |
| Castleark Management LLC | 51,190 | $8.06M | 0.35% | +51,190 | New |
| Bridgewater Associates, LP | 41,244 | $6.50M | 0.03% | +9,880+31.5% | Added |
| UBS Asset Management Americas Inc | 39,255 | $6.18M | 0.00% | +1,018+2.7% | Added |
| TD Asset Management Inc | 39,226 | $6.18M | 0.01% | +3,200+8.9% | Added |
| Russell Investments Group, Ltd. | 38,374 | $6.04M | 0.01% | +6,889+21.9% | Added |
| California State Teachers Retirement System | 37,659 | $5.93M | 0.01% | −3,230−7.9% | Reduced |
| Western Standard LLC | 47,200 | $5.82M | 5.53% | +25,600+118.5% | Added |
| Manufacturers Life Insurance Company, The | 35,352 | $5.43M | 0.00% | +20,399+136.4% | Added |
| Fred Alger Management, LLC | 32,252 | $5.08M | 0.02% | +32,252 | New |
| Royal Bank of Canada | 32,093 | $5.05M | 0.00% | −5,348−14.3% | Reduced |
| ClariVest Asset Management LLC | 32,004 | $5.04M | 0.20% | +25,867+421.5% | Added |
| AXA S.A. | 31,507 | $4.96M | 0.01% | 00.0% | Unchanged |
| Rhumbline Advisers | 31,072 | $4.89M | 0.01% | −631−2.0% | Reduced |
| Cinctive Capital Management LP | 30,600 | $4.82M | 0.22% | +16,600+118.6% | Added |
| UBS Group AG | 30,056 | $4.73M | 0.00% | +28,737+2,178.7% | Added |
| Calamos Advisors LLC | 29,971 | $4.72M | 0.02% | +29,971 | New |
| Sectoral Asset Management Inc | 28,800 | $4.54M | 0.81% | +28,800 | New |
| SEI Investments Co | 28,308 | $4.46M | 0.01% | +16,473+139.2% | Added |
| Eversept Partners, LP | 27,047 | $4.26M | 0.39% | −46,122−63.0% | Reduced |
| Clough Capital Partners L P | 26,695 | $4.20M | 0.32% | −68,680−72.0% | Reduced |
| Mutual of America Capital Management LLC | 26,658 | $4.20M | 0.04% | −1,157−4.2% | Reduced |
| Prudential Financial Inc | 26,233 | $4.13M | 0.01% | +23,971+1,059.7% | Added |
| Brinker Capital Investments, LLC | 23,052 | $3.63M | 0.06% | −1,280−5.3% | Reduced |
| State of New Jersey Common Pension Fund D | 22,688 | $3.57M | 0.01% | −5,328−19.0% | Reduced |
| Bradley Mark J. | 21,865 | $3.44M | 2.45% | −85−0.4% | Reduced |
| Truist Financial Corp | 20,863 | $3.29M | 0.01% | +20,863 | New |
| Envestnet Asset Management Inc | 20,597 | $3.24M | 0.00% | −631−3.0% | Reduced |
| EULAV Asset Management | 20,300 | $3.20M | 0.10% | 00.0% | Unchanged |
| Stanley-Laman Group, Ltd. | 19,735 | $3.11M | 0.43% | −991−4.8% | Reduced |
| Deutsche Bank AG | 19,370 | $3.05M | 0.00% | −1,694−8.0% | Reduced |
| Renaissance Technologies LLC | 18,700 | $2.94M | 0.00% | +18,700 | New |
| GAM Holding AG | 17,801 | $2.80M | 0.14% | 00.0% | Unchanged |
| Jane Street Group, LLC | 17,641 | $2.78M | 0.01% | −37,257−67.9% | Reduced |
| Gilder Gagnon Howe & Co LLC | 17,481 | $2.75M | 0.03% | −408−2.3% | Reduced |
| Exchange Traded Concepts, LLC | 15,829 | $2.49M | 0.05% | −12,177−43.5% | Reduced |
| MetLife Investment Management | 15,778 | $2.48M | 0.02% | +5,205+49.2% | Added |