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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 2021

Institutional positions in iRhythm Holdings, Inc. as of Mar 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
217
No complete 13F data for Q4 2020
Shares held
31.3M
No complete 13F data for Q4 2020
Total value
$4.33B
No complete 13F data for Q4 2020

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.

Institutional holdersQ1 2021: 217 institutions
Q1 2021: 217 institutionsQ2 2021: 183 institutionsQ3 2021: 186 institutionsQ4 2021: 213 institutionsQ1 2022: 222 institutionsQ2 2022: 242 institutionsQ3 2022: 233 institutionsQ4 2022: 208 institutionsQ1 2023: 209 institutionsQ2 2023: 203 institutionsQ3 2023: 224 institutionsQ4 2023: 222 institutionsQ1 2024: 253 institutionsQ2 2024: 228 institutionsQ3 2024: 242 institutionsQ4 2024: 227 institutionsQ1 2025: 256 institutionsQ2 2025: 304 institutionsQ3 2025: 338 institutionsQ4 2025: 335 institutionsQ1 2026: 305 institutionsQ2 2026: 303 institutions
Value heldQ1 2021: $4.33B
Q1 2021: $4.33BQ2 2021: $1.93BQ3 2021: $1.64BQ4 2021: $3.43BQ1 2022: $4.78BQ2 2022: $3.28BQ3 2022: $3.81BQ4 2022: $2.92BQ1 2023: $4.18BQ2 2023: $3.47BQ3 2023: $3.12BQ4 2023: $3.53BQ1 2024: $4.00BQ2 2024: $3.82BQ3 2024: $2.55BQ4 2024: $3.09BQ1 2025: $3.77BQ2 2025: $5.44BQ3 2025: $5.97BQ4 2025: $6.24BQ1 2026: $4.19BQ2 2026: $4.24B
Institutions holding IRTC and their total value by quarter
QuarterHoldersValue
Q2 2026303$4.24B
Q1 2026305$4.19B
Q4 2025335$6.24B
Q3 2025338$5.97B
Q2 2025304$5.44B
Q1 2025256$3.77B
Q4 2024227$3.09B
Q3 2024242$2.55B
Q2 2024228$3.82B
Q1 2024253$4.00B
Q4 2023222$3.53B
Q3 2023224$3.12B
Q2 2023203$3.47B
Q1 2023209$4.18B
Q4 2022208$2.92B
Q3 2022233$3.81B
Q2 2022242$3.28B
Q1 2022222$4.78B
Q4 2021213$3.43B
Q3 2021186$1.64B
Q2 2021183$1.93B
Q1 2021217$4.33B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding IRTC in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Sands Capital Management, LLC3,047,564$423.2M0.82%––
Vanguard Group Inc2,734,107$379.7M0.01%––
Brown Capital Management LLC2,706,663$375.8M2.80%––
BlackRock Inc.2,279,248$316.5M0.01%––
Price T Rowe Associates Inc1,974,213$274.1M0.03%––
JPMorgan Chase & Co1,139,874$158.3M0.02%––
Wells Fargo & Company1,093,549$151.8M0.04%––
Macquarie Group Ltd1,069,913$148.6M0.21%––
Credit Suisse AG952,958$132.3M0.10%––
Alliancebernstein L.P.883,401$122.7M0.05%––
Artisan Partners Limited Partnership776,301$107.8M0.14%––
Capital Research Global Investors746,865$103.7M0.03%––
Invesco Ltd.717,842$99.7M0.03%––
State Street Corp639,108$88.7M0.01%––
New York State Common Retirement Fund539,936$75.0M0.08%––
Blair William & Co498,163$69.2M0.26%––
Geode Capital Management, LLC479,835$66.6M0.01%––
Rock Springs Capital Management LP432,496$60.1M1.31%––
Gilder Gagnon Howe & Co LLC393,571$54.7M0.29%––
Bessemer Group Inc386,934$53.7M0.13%––
Fiera Capital Corp384,933$53.5M0.15%––
Clearbridge Investments, LLC369,050$51.2M0.04%––
BNP PARIBAS ASSET MANAGEMENT Holding S.A.357,833$49.7M0.20%––
Northern Trust Corp314,205$43.6M0.01%––
Norges Bank278,496$38.7M0.01%––
Franklin Resources Inc273,634$38.0M0.02%––
Charles Schwab Investment Management Inc269,793$37.5M0.01%––
FMR LLC265,189$36.8M0.00%––
Bank of New York Mellon Corp260,366$36.2M0.01%––
Victory Capital Management Inc251,709$35.0M0.04%––
Voya Investment Management LLC202,836$28.2M0.06%––
Goldman Sachs Group Inc200,166$27.8M0.01%––
Voloridge Investment Management, LLC195,989$27.2M0.20%––
Citadel Advisors LLC184,409$25.6M0.03%––
Vident Investment Advisory, LLC183,646$25.5M0.86%––
Legal & General Group Plc181,571$25.2M0.01%––
Stephens Investment Management Group LLC179,670$24.9M0.36%––
Renaissance Technologies LLC142,500$19.8M0.02%––
Bank of America Corp139,944$19.4M0.00%––
Mirae Asset Global Investments Co., Ltd.134,828$18.7M0.06%––
Nuveen Asset Management, LLC125,755$17.5M0.01%––
Morgan Stanley117,684$16.3M0.00%––
Allianz Asset Management GmbH111,945$15.5M0.02%––
Deutsche Bank AG102,877$14.3M0.01%––
Man Group plc90,525$12.6M0.06%––
Bellevue Group AG87,631$12.2M0.13%––
Alyeska Investment Group, L.P.85,670$11.9M0.16%––
Alberta Investment Management Corp83,056$11.5M0.10%––
C WorldWide Group Holding A/S80,000$11.1M0.11%––
Wellington Management Group LLP69,197$9.61M0.00%––
California Public Employees Retirement System67,500$9.37M0.01%––
Squarepoint Ops LLC67,353$9.35M0.09%––
Swiss National Bank66,000$9.16M0.01%––
Cubist Systematic Strategies, LLC65,874$9.15M0.12%––
Ameriprise Financial Inc65,545$9.10M0.00%––
State of Wisconsin Investment Board62,800$8.72M0.02%––
CWM, LLC125,141$8.30M0.07%––
Balyasny Asset Management LLC56,421$7.83M0.05%––
TD Asset Management Inc55,057$7.64M0.01%––
Federated Hermes, Inc.52,000$7.22M0.01%––
Lombard Odier Asset Management (Switzerland) SA50,181$6.97M0.47%––
Compagnie Lombard Odier SCmA50,181$6.97M0.15%––
Thrivent Financial for Lutherans47,988$6.66M0.01%––
California State Teachers Retirement System43,658$6.06M0.01%––
Ensign Peak Advisors, Inc41,919$5.82M0.01%––
Sit Investment Associates Inc37,550$5.21M0.14%––
Rhumbline Advisers35,755$4.96M0.01%––
UBS Asset Management Americas Inc33,713$4.68M0.00%––
AXA S.A.33,507$4.65M0.01%––
Barclays PLC33,359$4.63M0.00%––
SEI Investments Co28,036$4.60M0.01%––
Two Sigma Investments, LP30,493$4.23M0.01%––
Motley Fool Asset Management LLC30,404$4.22M0.30%––
BNP Paribas Arbitrage, SA30,338$4.21M0.01%––
Marshall Wace, LLP30,306$4.21M0.02%––
Mutual of America Capital Management LLC29,702$4.12M0.04%––
Holocene Advisors, LP26,610$3.69M0.02%––
Parametric Portfolio Associates LLC22,379$3.11M0.00%––
Landscape Capital Management, L.L.C.22,058$3.06M0.48%––
Exchange Traded Concepts, LLC20,432$2.84M0.11%––
EULAV Asset Management20,300$2.82M0.08%––
Dimensional Fund Advisors LP18,921$2.63M0.00%––
Qube Research & Technologies Ltd18,268$2.54M0.04%––
State of New Jersey Common Pension Fund D18,115$2.52M0.01%––
First Trust Advisors LP16,899$2.35M0.00%––
American International Group, Inc.16,840$2.34M0.01%––
Capital Fund Management S.A.16,806$2.33M0.08%––
Manufacturers Life Insurance Company, The16,182$2.25M0.00%––
Marshall Wace North America L.P.15,385$2.14M0.01%––
Royal Bank of Canada15,137$2.10M0.00%––
Jump Financial, LLC14,800$2.06M0.19%––
Jefferies Group LLC14,319$1.99M0.05%––
Principal Financial Group Inc12,320$1.71M0.00%––
Group One Trading, L.P.11,801$1.64M0.04%––
State Board of Administration of Florida Retirement System11,093$1.54M0.00%––
Harel Insurance Investments & Financial Services Ltd.5,108$1.54M0.03%––
NN Investment Partners Holdings N.V.10,600$1.47M0.01%––
MetLife Investment Management10,573$1.47M0.01%––
Envestnet Asset Management Inc10,553$1.47M0.00%––
Connor, Clark & Lunn Investment Management Ltd.10,266$1.43M0.01%––