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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; 304 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: 304 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 2026304$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
Brinker Capital Investments, LLC10,020$1.39M0.02%––
Engineers Gate Manager LP9,609$1.33M0.07%––
Caption Management, LLC9,500$1.32M0.17%––
AQR Capital Management LLC9,035$1.25M0.00%––
GAM Holding AG8,903$1.24M0.06%––
Citigroup Inc8,537$1.19M0.00%––
Neuberger Berman Group LLC8,688$1.17M0.00%––
Arizona State Retirement System8,405$1.17M0.01%––
Banque Pictet & Cie SA8,181$1.14M0.01%––
Metropolitan Life Insurance Co7,762$1.08M0.02%––
ProShare Advisors LLC7,722$1.07M0.00%––
CIBC Private Wealth Group, LLC7,694$1.07M0.00%––
Skandinaviska Enskilda Banken AB (publ)7,658$1.06M0.01%––
Aigen Investment Management, LP7,626$1.06M0.14%––
UBS Group AG7,596$1.05M0.00%––
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.7,288$1.01M0.01%––
Los Angeles Capital Management LLC7,228$1.00M0.00%––
Winton Group Ltd7,230$1.00M0.06%––
Weiss Multi-Strategy Advisers LLC6,782$942.0K0.02%––
Stifel Financial Corp6,598$917.0K0.00%––
Sumitomo Mitsui Trust Holdings, Inc.6,530$907.0K0.00%––
Nomura Holdings Inc6,500$904.0K0.01%––
Susquehanna International Group, LLP6,506$903.0K0.00%––
Lazard Asset Management LLC6,360$883.0K0.00%––
Tudor Investment Corp Et Al5,493$763.0K0.02%––
Handelsbanken Fonder AB5,400$750.0K0.00%––
Quantbot Technologies LP5,228$725.0K0.07%––
Jane Street Group, LLC5,144$714.0K0.00%––
Oppenheimer Asset Management Inc.5,086$706.0K0.01%––
Bank of Montreal5,138$691.0K0.00%––
Advisor Group Holdings, Inc.4,572$635.0K0.00%––
Conway Capital Management, Inc.4,550$631.8K0.47%––
Cna Financial Corp4,520$628.0K0.19%––
Ergoteles LLC4,500$625.0K0.02%––
Trexquant Investment LP4,283$595.0K0.05%––
Great Lakes Advisors, LLC4,260$592.0K0.01%––
Public Employees Retirement Association of Colorado4,190$582.0K0.00%––
Amalgamated Bank4,111$571.0K0.02%––
GWM Advisors LLC4,085$567.0K0.02%––
Raymond James & Associates4,054$563.0K0.00%––
Mackay Shields LLC3,800$528.0K0.00%––
Bailard, Inc.3,645$506.0K0.02%––
Millennium Management LLC3,194$444.0K0.00%––
Zurcher Kantonalbank (Zurich Cantonalbank)3,058$425.0K0.00%––
Teacher Retirement System of Texas3,043$423.0K0.00%––
Canada Pension Plan Investment Board3,046$423.0K0.00%––
Pictet & Cie (Europe) SA2,963$411.0K0.02%––
Virginia Retirement Systems Et Al2,900$403.0K0.00%––
AlphaCrest Capital Management LLC2,813$391.0K0.02%––
SG Americas Securities, LLC2,749$382.0K0.00%––
Russell Investments Group, Ltd.2,661$369.0K0.00%––
Amundi Asset Management US, Inc.2,500$347.0K0.00%––
Ameritas Investment Partners, Inc.2,350$326.0K0.01%––
Prudential Financial Inc2,332$324.0K0.00%––
Assenagon Asset Management S.A.2,289$318.0K0.00%––
D. E. Shaw & Co., Inc.2,028$282.0K0.00%––
Pictet Asset Management Ltd2,000$278.0K0.00%––
American Century Companies Inc1,992$277.0K0.00%––
Illinois Municipal Retirement Fund1,985$276.0K0.01%––
Spearhead Capital Advisors, LLC1,979$275.0K0.04%––
Great West Life Assurance Co1,972$271.0K0.00%––
XTX Topco Ltd1,949$271.0K0.13%––
Tower Research Capital LLC (TRC)1,944$270.0K0.00%––
Cerity Partners LLC1,921$267.0K0.01%––
O'Shaughnessy Asset Management, LLC1,892$263.0K0.01%––
STRS Ohio1,800$249.0K0.00%––
FORA Capital, LLC1,645$228.0K0.07%––
Polar Capital Holdings Plc1,615$224.0K0.00%––
Gabelli Funds LLC1,600$222.0K0.00%––
Bluestein R H & Co1,500$208.0K0.01%––
US Bancorp1,390$193.0K0.00%––
1623 Capital LLC1,391$193.0K0.09%––
Nisa Investment Advisors, LLC1,075$149.0K0.00%––
IFP Advisors, Inc999$138.0K0.00%––
Fieldpoint Private Securities, LLC831$115.0K0.03%––
Eaton Vance Management547$76.0K0.00%––
Ancora Advisors, LLC430$60.0K0.00%––
Simplex Trading, LLC402$55.0K0.00%––
Cutler Group LP400$55.0K0.00%––
BDO Wealth Advisors, LLC335$47.0K0.01%––
Howe & Rusling Inc300$42.0K0.01%––
First Mercantile Trust Co304$42.0K0.00%––
Captrust Financial Advisors280$39.0K0.00%––
FourThought Financial, LLC226$31.0K0.00%––
First Horizon Advisors, Inc.217$29.0K0.00%––
Proequities, Inc.204$28.0K0.00%––
Laurel Wealth Planning LLC190$26.0K0.02%––
Newbridge Financial Services Group, Inc.150$21.0K0.02%––
Toth Financial Advisory Corp115$16.0K0.00%––
HM Payson & Co114$16.0K0.00%––
Carroll Financial Associates, Inc.120$16.0K0.00%––
Creative Financial Designs Inc110$15.0K0.00%––
Concord Wealth Partners109$15.0K0.01%––
Massmutual Trust Co FSB100$14.0K0.00%––
Parallel Advisors, LLC93$13.0K0.00%––
Rockefeller Capital Management L.P.74$10.0K0.00%––
Whittier Trust Co50$7.00K0.00%––
TCI Wealth Advisors, Inc.53$7.00K0.00%––
The PNC Financial Services Group, Inc.37$6.00K0.00%––
Geneos Wealth Management Inc.80$6.00K0.00%––