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, Q3 2021
Institutional positions in iRhythm Holdings, Inc. as of Sep 30, 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
- 186
- +5 vs. Q2 2021
- Shares held
- 28.1M
- −874.1K (−3.0%) vs. Q2 2021
- Total value
- $1.64B
- −$275.8M (−14.4%) vs. Q2 2021
- New holders
- 35
- 52 more added
- Sold out
- 30
- 65 more reduced
2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Panagora Asset Management Inc | 18,338 | $1.07M | 0.01% | +8,096+79.0% | Added |
| EULAV Asset Management | 20,300 | $1.19M | 0.03% | 00.0% | Unchanged |
| Deutsche Bank AG | 20,521 | $1.20M | 0.00% | −37,763−64.8% | Reduced |
| Walleye Capital LLC | 20,655 | $1.21M | 0.04% | +6,584+46.8% | Added |
| Brinker Capital Investments, LLC | 18,984 | $1.26M | 0.02% | 00.0% | Unchanged |
| AQR Capital Management LLC | 22,833 | $1.34M | 0.00% | +8,255+56.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 23,075 | $1.35M | 0.01% | −5,030−17.9% | Reduced |
| Simplex Trading, LLC | 22,310 | $1.42M | 0.05% | −1,900−7.8% | Reduced |
| TD Asset Management Inc | 24,453 | $1.43M | 0.00% | −4,481−15.5% | Reduced |
| Parametric Portfolio Associates LLC | 26,157 | $1.53M | 0.00% | +4,568+21.2% | Added |
| Man Group plc | 27,120 | $1.59M | 0.01% | −45,689−62.8% | Reduced |
| Crestline Management, LP | 27,680 | $1.62M | 0.15% | +27,680 | New |
| Mutual of America Capital Management LLC | 28,074 | $1.64M | 0.02% | −404−1.4% | Reduced |
| Bridgewater Associates, LP | 28,560 | $1.67M | 0.01% | −1,654−5.5% | Reduced |
| Royal Bank of Canada | 28,738 | $1.68M | 0.00% | +1,602+5.9% | Added |
| Jump Financial, LLC | 30,203 | $1.77M | 0.13% | −2,997−9.0% | Reduced |
| Cubist Systematic Strategies, LLC | 30,344 | $1.78M | 0.02% | −99,523−76.6% | Reduced |
| AXA S.A. | 31,507 | $1.84M | 0.01% | 00.0% | Unchanged |
| Rhumbline Advisers | 32,111 | $1.88M | 0.00% | +92+0.3% | Added |
| Parkman Healthcare Partners LLC | 32,500 | $1.90M | 0.48% | +32,500 | New |
| Jane Street Group, LLC | 35,054 | $2.05M | 0.01% | −36,470−51.0% | Reduced |
| Duality Advisers, LP | 36,386 | $2.13M | 0.16% | −10,162−21.8% | Reduced |
| Prosight Management, LP | 37,396 | $2.19M | 1.28% | +17,196+85.1% | Added |
| California State Teachers Retirement System | 39,919 | $2.34M | 0.00% | −728−1.8% | Reduced |
| UBS Asset Management Americas Inc | 40,084 | $2.35M | 0.00% | −673−1.7% | Reduced |
| Goldman Sachs Group Inc | 40,767 | $2.39M | 0.00% | −24,832−37.9% | Reduced |
| Russell Investments Group, Ltd. | 44,164 | $2.58M | 0.00% | +42,173+2,118.2% | Added |
| Alliancebernstein L.P. | 48,765 | $2.86M | 0.00% | −66,680−57.8% | Reduced |
| Parian Global Management LP | 56,456 | $3.31M | 2.37% | +56,456 | New |
| Landscape Capital Management, L.L.C. | 57,155 | $3.35M | 0.47% | +8,398+17.2% | Added |
| Deerfield Management Company, L.P. (Series C) | 60,271 | $3.53M | 0.07% | +60,271 | New |
| State of Wisconsin Investment Board | 60,500 | $3.54M | 0.01% | 00.0% | Unchanged |
| Swiss National Bank | 64,800 | $3.79M | 0.00% | +1,200+1.9% | Added |
| Bank of Montreal | 65,646 | $3.82M | 0.00% | +65,646 | New |
| Skandinaviska Enskilda Banken AB (publ) | 65,251 | $3.82M | 0.02% | +57,363+727.2% | Added |
| Federated Hermes, Inc. | 66,415 | $3.89M | 0.01% | +66,415 | New |
| Two Sigma Investments, LP | 66,505 | $3.90M | 0.01% | −417,212−86.3% | Reduced |
| Exchange Traded Concepts, LLC | 72,776 | $4.26M | 0.11% | +22,851+45.8% | Added |
| Susquehanna International Group, LLP | 78,484 | $4.60M | 0.01% | +36,920+88.8% | Added |
| C WorldWide Group Holding A/S | 80,000 | $4.68M | 0.05% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 83,056 | $4.86M | 0.04% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 83,700 | $4.90M | 0.06% | +83,700 | New |
| Clough Capital Partners L P | 89,700 | $5.25M | 0.33% | +89,700 | New |
| Lombard Odier Asset Management (Switzerland) SA | 99,772 | $5.84M | 0.36% | +21,573+27.6% | Added |
| Capital Research Global Investors | 100,000 | $5.86M | 0.00% | −956,827−90.5% | Reduced |
| Wells Fargo & Company | 100,446 | $5.88M | 0.00% | +22,826+29.4% | Added |
| Eversept Partners, LP | 113,854 | $6.67M | 0.54% | +113,854 | New |
| Bank of America Corp | 118,011 | $6.91M | 0.00% | −2,591−2.1% | Reduced |
| Nuveen Asset Management, LLC | 121,200 | $7.10M | 0.00% | −22,047−15.4% | Reduced |
| Pura Vida Investments, LLC | 130,000 | $7.61M | 0.57% | −10,000−7.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 157,576 | $9.23M | 0.02% | −30,593−16.3% | Reduced |
| Balyasny Asset Management LLC | 159,709 | $9.35M | 0.04% | +115,475+261.1% | Added |
| New York State Common Retirement Fund | 161,940 | $9.48M | 0.01% | −4,937−3.0% | Reduced |
| D. E. Shaw & Co., Inc. | 174,906 | $10.2M | 0.01% | +142,646+442.2% | Added |
| Morgan Stanley | 190,678 | $11.2M | 0.00% | −32,160−14.4% | Reduced |
| Charles Schwab Investment Management Inc | 204,841 | $12.0M | 0.00% | −72,250−26.1% | Reduced |
| Voloridge Investment Management, LLC | 234,668 | $13.7M | 0.09% | −53,937−18.7% | Reduced |
| Ameriprise Financial Inc | 237,370 | $13.9M | 0.00% | +211,718+825.3% | Added |
| Renaissance Technologies LLC | 242,100 | $14.2M | 0.02% | −93,500−27.9% | Reduced |
| Stephens Investment Management Group LLC | 273,682 | $16.0M | 0.22% | −1,324−0.5% | Reduced |
| Northern Trust Corp | 305,319 | $17.9M | 0.00% | −5,730−1.8% | Reduced |
| Millennium Management LLC | 312,219 | $18.3M | 0.02% | −238,954−43.4% | Reduced |
| Price T Rowe Associates Inc | 342,092 | $20.0M | 0.00% | −227,617−40.0% | Reduced |
| Bank of New York Mellon Corp | 344,202 | $20.2M | 0.00% | +126,196+57.9% | Added |
| Norges Bank | 350,336 | $20.5M | 0.00% | −224,736−39.1% | Reduced |
| Assenagon Asset Management S.A. | 350,521 | $20.5M | 0.08% | −160,394−31.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 356,808 | $20.9M | 0.08% | −1,025−0.3% | Reduced |
| Holocene Advisors, LP | 375,474 | $22.0M | 0.13% | +300,808+402.9% | Added |
| Bessemer Group Inc | 425,638 | $24.9M | 0.05% | 00.0% | Unchanged |
| Invesco Ltd. | 432,175 | $25.3M | 0.01% | −10,518−2.4% | Reduced |
| Rock Springs Capital Management LP | 448,000 | $26.2M | 0.55% | 00.0% | Unchanged |
| Camber Capital Management LP | 475,000 | $27.8M | 1.03% | +475,000 | New |
| Legal & General Group Plc | 489,847 | $28.7M | 0.01% | +131,601+36.7% | Added |
| Geode Capital Management, LLC | 492,004 | $28.8M | 0.00% | −9,535−1.9% | Reduced |
| Vident Investment Advisory, LLC | 577,585 | $33.8M | 1.02% | +164,971+40.0% | Added |
| Fiera Capital Corp | 602,042 | $35.3M | 0.09% | −9,985−1.6% | Reduced |
| Citadel Advisors LLC | 615,715 | $36.1M | 0.04% | −311,009−33.6% | Reduced |
| Blair William & Co | 690,224 | $40.4M | 0.14% | +55,540+8.8% | Added |
| State Street Corp | 877,064 | $51.4M | 0.00% | +63,109+7.8% | Added |
| Wellington Management Group LLP | 1,114,699 | $65.3M | 0.01% | +20,364+1.9% | Added |
| Credit Suisse AG | 1,167,329 | $68.4M | 0.06% | +1,770+0.2% | Added |
| JPMorgan Chase & Co | 1,791,775 | $104.9M | 0.01% | +382,498+27.1% | Added |
| Mackenzie Financial Corp | 1,902,051 | $111.4M | 0.16% | +88,698+4.9% | Added |
| BlackRock Inc. | 2,061,012 | $120.7M | 0.00% | −16,772−0.8% | Reduced |
| Vanguard Group Inc | 2,664,017 | $156.0M | 0.00% | −54,785−2.0% | Reduced |
| Sands Capital Management, LLC | 3,293,424 | $192.9M | 0.32% | +63,605+2.0% | Added |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −321,211−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −150,051−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −61,600−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −58,892−100.0% | Sold out |
| Integral Health Asset Management, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| State of New Jersey Common Pension Fund D | 0 | $0 | 0.00% | −33,169−100.0% | Sold out |
| Sit Investment Associates Inc | 0 | $0 | 0.00% | −31,425−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −27,590−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −26,207−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −19,584−100.0% | Sold out |
| Sante Capital Fund, LP | 0 | $0 | 0.00% | −15,221−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −15,206−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −11,041−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −6,774−100.0% | Sold out |