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, Q4 2021
Institutional positions in iRhythm Holdings, Inc. as of Dec 31, 2021. 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
- 213
- +28 vs. Q3 2021
- Shares held
- 29.1M
- +1.07M (+3.8%) vs. Q3 2021
- Total value
- $3.43B
- +$1.79B (+108.7%) vs. Q3 2021
- New holders
- 54
- 60 more added
- Sold out
- 26
- 70 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sands Capital Management, LLC | 3,041,867 | $358.0M | 0.66% | −251,557−7.6% | Reduced |
| Vanguard Group Inc | 2,680,700 | $315.5M | 0.01% | +16,683+0.6% | Added |
| BlackRock Inc. | 2,084,707 | $245.3M | 0.01% | +23,695+1.1% | Added |
| JPMorgan Chase & Co | 2,079,429 | $244.7M | 0.03% | +287,654+16.1% | Added |
| Mackenzie Financial Corp | 1,685,430 | $198.4M | 0.27% | −216,621−11.4% | Reduced |
| Credit Suisse AG | 1,144,793 | $134.7M | 0.11% | −22,536−1.9% | Reduced |
| Capital Research Global Investors | 877,000 | $103.2M | 0.02% | +777,000+777.0% | Added |
| LTS One Management LP | 800,000 | $94.2M | 8.32% | +800,000 | New |
| State Street Corp | 772,865 | $91.0M | 0.00% | −104,199−11.9% | Reduced |
| Blair William & Co | 755,055 | $88.9M | 0.28% | +64,831+9.4% | Added |
| Fiera Capital Corp | 746,716 | $87.9M | 0.21% | +144,674+24.0% | Added |
| Invesco Ltd. | 741,695 | $87.3M | 0.02% | +309,520+71.6% | Added |
| Holocene Advisors, LP | 631,398 | $74.3M | 0.39% | +255,924+68.2% | Added |
| Price T Rowe Associates Inc | 524,505 | $61.7M | 0.01% | +182,413+53.3% | Added |
| PFM Health Sciences, LP | 523,982 | $61.7M | 2.15% | +523,982 | New |
| Citadel Advisors LLC | 508,594 | $59.9M | 0.06% | −107,121−17.4% | Reduced |
| Geode Capital Management, LLC | 508,000 | $59.8M | 0.01% | +15,996+3.3% | Added |
| Janus Henderson Group PLC | 493,636 | $58.1M | 0.02% | +493,636 | New |
| Rock Springs Capital Management LP | 433,000 | $51.0M | 1.18% | −15,000−3.3% | Reduced |
| Bessemer Group Inc | 425,638 | $50.1M | 0.10% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 388,581 | $45.7M | 0.15% | +31,773+8.9% | Added |
| Stephens Investment Management Group LLC | 348,597 | $41.0M | 0.53% | +74,915+27.4% | Added |
| Norges Bank | 334,389 | $39.4M | 0.01% | −15,947−4.6% | Reduced |
| Bank of New York Mellon Corp | 313,681 | $36.9M | 0.01% | −30,521−8.9% | Reduced |
| Bridger Management, LLC | 309,100 | $36.4M | 4.70% | +309,100 | New |
| Wellington Management Group LLP | 308,170 | $36.3M | 0.01% | −806,529−72.4% | Reduced |
| Northern Trust Corp | 297,741 | $35.0M | 0.01% | −7,578−2.5% | Reduced |
| Vident Investment Advisory, LLC | 279,210 | $32.9M | 0.85% | −298,375−51.7% | Reduced |
| Legal & General Group Plc | 259,966 | $30.6M | 0.01% | −229,881−46.9% | Reduced |
| New York State Common Retirement Fund | 225,522 | $26.5M | 0.03% | +63,582+39.3% | Added |
| Charles Schwab Investment Management Inc | 208,976 | $24.6M | 0.01% | +4,135+2.0% | Added |
| Hitchwood Capital Management LP | 180,000 | $21.2M | 0.99% | +180,000 | New |
| Sofinnova Investments, Inc. | 168,882 | $19.9M | 1.27% | +168,882 | New |
| Lombard Odier Asset Management (Switzerland) SA | 161,343 | $19.0M | 1.21% | +61,571+61.7% | Added |
| Bank of America Corp | 159,639 | $18.8M | 0.00% | +41,628+35.3% | Added |
| Artisan Partners Limited Partnership | 150,903 | $17.8M | 0.02% | +150,903 | New |
| HRT Financial LP | 132,463 | $15.6M | 0.09% | +121,273+1,083.8% | Added |
| Balyasny Asset Management LLC | 128,579 | $15.1M | 0.06% | −31,130−19.5% | Reduced |
| Polar Asset Management Partners Inc. | 128,400 | $15.1M | 0.18% | +44,700+53.4% | Added |
| D. E. Shaw & Co., Inc. | 123,322 | $14.5M | 0.02% | −51,584−29.5% | Reduced |
| Wells Fargo & Company | 117,847 | $13.9M | 0.00% | +17,401+17.3% | Added |
| CWM, LLC | 117,781 | $13.9M | 0.10% | +117,781 | New |
| Nuveen Asset Management, LLC | 117,184 | $13.8M | 0.00% | −4,016−3.3% | Reduced |
| Voloridge Investment Management, LLC | 116,980 | $13.8M | 0.08% | −117,688−50.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 108,817 | $12.8M | 0.03% | −48,759−30.9% | Reduced |
| Clough Capital Partners L P | 95,375 | $11.2M | 0.75% | +5,675+6.3% | Added |
| Alberta Investment Management Corp | 83,056 | $9.78M | 0.06% | 00.0% | Unchanged |
| C WorldWide Group Holding A/S | 80,000 | $9.41M | 0.09% | 00.0% | Unchanged |
| Morgan Stanley | 77,596 | $9.13M | 0.00% | −113,082−59.3% | Reduced |
| Eversept Partners, LP | 73,169 | $8.61M | 0.72% | −40,685−35.7% | Reduced |
| Millennium Management LLC | 71,055 | $8.36M | 0.01% | −241,164−77.2% | Reduced |
| Dimensional Fund Advisors LP | 65,889 | $7.75M | 0.00% | +49,562+303.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 65,793 | $7.72M | 0.04% | +542+0.8% | Added |
| Swiss National Bank | 64,800 | $7.63M | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 63,564 | $7.48M | 0.00% | −173,806−73.2% | Reduced |
| Parkman Healthcare Partners LLC | 61,980 | $7.29M | 1.65% | +29,480+90.7% | Added |
| State of Wisconsin Investment Board | 60,500 | $7.12M | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 57,522 | $6.77M | 0.00% | +16,755+41.1% | Added |
| Jane Street Group, LLC | 54,898 | $6.46M | 0.01% | +19,844+56.6% | Added |
| Parian Global Management LP | 54,466 | $6.41M | 5.80% | −1,990−3.5% | Reduced |
| Alliancebernstein L.P. | 48,465 | $5.70M | 0.00% | −300−0.6% | Reduced |
| Parametric Portfolio Associates LLC | 42,586 | $5.01M | 0.00% | +16,429+62.8% | Added |
| Group One Trading, L.P. | 41,892 | $4.93M | 0.09% | +32,349+339.0% | Added |
| Allspring Global Investments Holdings, LLC | 41,506 | $4.88M | 0.01% | +41,506 | New |
| California State Teachers Retirement System | 40,889 | $4.81M | 0.01% | +970+2.4% | Added |
| Integral Health Asset Management, LLC | 40,000 | $4.71M | 1.31% | +40,000 | New |
| UBS Asset Management Americas Inc | 38,237 | $4.50M | 0.00% | −1,847−4.6% | Reduced |
| Royal Bank of Canada | 37,441 | $4.41M | 0.00% | +8,703+30.3% | Added |
| TD Asset Management Inc | 36,026 | $4.24M | 0.00% | +11,573+47.3% | Added |
| Point72 Asset Management, L.P. | 34,900 | $4.11M | 0.02% | +34,900 | New |
| Marshall Wace, LLP | 31,733 | $3.73M | 0.01% | +31,733 | New |
| Rhumbline Advisers | 31,703 | $3.73M | 0.00% | −408−1.3% | Reduced |
| AXA S.A. | 31,507 | $3.71M | 0.01% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 31,485 | $3.70M | 0.01% | −12,679−28.7% | Reduced |
| Bridgewater Associates, LP | 31,364 | $3.69M | 0.02% | +2,804+9.8% | Added |
| State of New Jersey Common Pension Fund D | 28,016 | $3.30M | 0.01% | +28,016 | New |
| Exchange Traded Concepts, LLC | 28,006 | $3.30M | 0.06% | −44,770−61.5% | Reduced |
| Mutual of America Capital Management LLC | 27,815 | $3.27M | 0.03% | −259−0.9% | Reduced |
| Susquehanna International Group, LLP | 25,665 | $3.02M | 0.00% | −52,819−67.3% | Reduced |
| Brinker Capital Investments, LLC | 24,332 | $2.86M | 0.04% | +5,348+28.2% | Added |
| Prelude Capital Management, LLC | 23,268 | $2.74M | 0.14% | +23,268 | New |
| Bradley Mark J. | 21,950 | $2.58M | 1.69% | +14,625+199.7% | Added |
| Lisanti Capital Growth, LLC | 21,640 | $2.55M | 0.37% | +21,640 | New |
| Western Standard LLC | 21,600 | $2.54M | 1.50% | +21,600 | New |
| Envestnet Asset Management Inc | 21,228 | $2.50M | 0.00% | +6,451+43.7% | Added |
| Deutsche Bank AG | 21,064 | $2.48M | 0.00% | +543+2.6% | Added |
| EULAV Asset Management | 20,300 | $2.45M | 0.06% | 00.0% | Unchanged |
| Stanley-Laman Group, Ltd. | 20,726 | $2.44M | 0.29% | +20,726 | New |
| Crestline Management, LP | 18,050 | $2.12M | 0.16% | −9,630−34.8% | Reduced |
| Gilder Gagnon Howe & Co LLC | 17,889 | $2.10M | 0.01% | −109−0.6% | Reduced |
| GAM Holding AG | 17,801 | $2.10M | 0.09% | +2,505+16.4% | Added |
| Tudor Investment Corp Et Al | 17,734 | $2.09M | 0.04% | +17,734 | New |
| Walleye Trading LLC | 17,515 | $2.06M | 0.03% | +11,703+201.4% | Added |
| American International Group, Inc. | 15,681 | $1.84M | 0.01% | −469−2.9% | Reduced |
| Stifel Financial Corp | 15,107 | $1.78M | 0.00% | +3,474+29.9% | Added |
| Manufacturers Life Insurance Company, The | 14,953 | $1.76M | 0.00% | −484−3.1% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 14,458 | $1.75M | 0.01% | −8,617−37.3% | Reduced |
| Panagora Asset Management Inc | 14,263 | $1.68M | 0.01% | −4,075−22.2% | Reduced |
| Cinctive Capital Management LP | 14,000 | $1.65M | 0.08% | −2,000−12.5% | Reduced |
| Wolverine Trading, LLC | 13,357 | $1.57M | 0.02% | +6,866+105.8% | Added |