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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, Q4 2022

Institutional positions in iRhythm Holdings, Inc. as of Dec 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
208
−20 vs. Q3 2022
Shares held
31.1M
+751.6K (+2.5%) vs. Q3 2022
Total value
$2.92B
−$884.8M (−23.3%) vs. Q3 2022
New holders
31
71 more added
Sold out
51
75 more reduced

5 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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.

Institutional holdersQ4 2022: 208 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 heldQ4 2022: $2.92B
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, Q4 2022

Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q3 2022.

Institutions holding IRTC in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Oppenheimer Asset Management Inc.7,996$749.0K0.01%−684−7.9%Reduced
Principal Financial Group Inc8,028$752.0K0.00%−4,055−33.6%Reduced
Barclays PLC8,101$758.8K0.00%+5,430+203.3%Added
Arizona State Retirement System8,472$793.6K0.01%+377+4.7%Added
Engineers Gate Manager LP8,479$794.2K0.05%+1,184+16.2%Added
State Board of Administration of Florida Retirement System9,337$874.6K0.00%−170−1.8%Reduced
Ensign Peak Advisors, Inc9,380$878.6K0.00%+700+8.1%Added
WoodTrust Financial Corp10,132$949.0K0.20%+500+5.2%Added
Dimensional Fund Advisors LP11,024$1.03M0.00%−2,166−16.4%Reduced
Qube Research & Technologies Ltd11,170$1.05M0.01%−10,071−47.4%Reduced
Voya Investment Management LLC11,475$1.07M0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.12,089$1.14M0.00%+2,096+21.0%Added
Ergoteles LLC12,371$1.16M0.04%+2,852+30.0%Added
Voloridge Investment Management, LLC12,990$1.22M0.01%+12,990New
Trexquant Investment LP13,110$1.23M0.03%−1,414−9.7%Reduced
Millennium Management LLC13,517$1.27M0.00%−39,249−74.4%Reduced
Stifel Financial Corp13,624$1.28M0.00%−861−5.9%Reduced
American International Group, Inc.14,270$1.34M0.01%+101+0.7%Added
AQR Capital Management LLC15,168$1.42M0.00%−3,040−16.7%Reduced
TD Asset Management Inc15,925$1.49M0.00%−14,801−48.2%Reduced
MetLife Investment Management16,092$1.51M0.01%00.0%Unchanged
Macquarie Group Ltd16,847$1.58M0.00%−11−0.1%Reduced
Baird Financial Group, Inc.17,649$1.65M0.00%+197+1.1%Added
Algert Global LLC18,563$1.74M0.10%+370+2.0%Added
Prudential Financial Inc19,377$1.82M0.00%−36,412−65.3%Reduced
Jump Financial, LLC19,402$1.82M0.10%+19,402New
Duality Advisers, LP19,512$1.83M0.21%+5,262+36.9%Added
Gilder Gagnon Howe & Co LLC19,900$1.86M0.03%+80.0%Added
Integral Health Asset Management, LLC20,000$1.87M0.42%−30,000−60.0%Reduced
Truist Financial Corp20,067$1.88M0.00%−598−2.9%Reduced
EULAV Asset Management20,300$1.90M0.08%00.0%Unchanged
Brinker Capital Investments, LLC21,160$1.98M0.04%+53+0.3%Added
Bradley Mark J.21,625$2.02M1.80%+110+0.5%Added
State of New Jersey Common Pension Fund D22,077$2.07M0.01%+3,981+22.0%Added
Envestnet Asset Management Inc22,244$2.08M0.00%−225−1.0%Reduced
ClariVest Asset Management LLC23,224$2.17M0.10%−70−0.3%Reduced
First Trust Advisors LP25,283$2.37M0.00%+3,919+18.3%Added
Neuberger Berman Group LLC26,719$2.50M0.00%+13,075+95.8%Added
Manufacturers Life Insurance Company, The27,075$2.53M0.00%−5,630−17.2%Reduced
Deutsche Bank AG28,191$2.64M0.00%+2,037+7.8%Added
Mutual of America Capital Management LLC29,361$2.75M0.03%+5,108+21.1%Added
Western Standard LLC29,560$2.77M2.44%+29,560New
AXA S.A.32,765$3.07M0.01%00.0%Unchanged
Bridgewater Associates, LP34,465$3.23M0.02%−11,794−25.5%Reduced
UBS Asset Management Americas Inc34,635$3.24M0.00%+520+1.5%Added
Royal Bank of Canada35,121$3.29M0.00%+45+0.1%Added
California State Teachers Retirement System38,169$3.58M0.01%+750+2.0%Added
CWM, LLC38,358$3.59M0.03%−7,322−16.0%Reduced
Industrial Alliance Investment Management Inc.38,617$3.62M0.10%+7,125+22.6%Added
Rhumbline Advisers40,377$3.78M0.01%+1,063+2.7%Added
California Public Employees Retirement System49,093$4.60M0.00%−6,343−11.4%Reduced
Banque Pictet & Cie SA53,527$5.01M0.05%+15,576+41.0%Added
State of Wisconsin Investment Board54,443$5.10M0.02%−1,809−3.2%Reduced
D. E. Shaw & Co., Inc.55,531$5.20M0.01%+13,590+32.4%Added
Mirae Asset Global Investments Co., Ltd.61,010$5.71M0.01%−9,848−13.9%Reduced
Ameriprise Financial Inc69,666$6.52M0.00%−9,924−12.5%Reduced
Jane Street Group, LLC72,048$6.75M0.01%+53,924+297.5%Added
Swiss National Bank72,500$6.79M0.00%+1,900+2.7%Added
C WorldWide Group Holding A/S80,000$7.49M0.10%00.0%Unchanged
Wells Fargo & Company80,372$7.53M0.00%−7,250−8.3%Reduced
Peregrine Capital Management LLC87,277$8.18M0.26%+19,642+29.0%Added
Lombard Odier Asset Management (Switzerland) SA92,804$8.69M0.69%+40,722+78.2%Added
Alberta Investment Management Corp94,714$8.87M0.08%00.0%Unchanged
Sectoral Asset Management Inc96,136$9.01M1.74%−6,775−6.6%Reduced
Renaissance Technologies LLC101,800$9.54M0.01%+101,800New
Eagle Asset Management Inc108,026$10.2M0.06%−4,688−4.2%Reduced
SEI Investments Co109,104$10.2M0.02%−59,762−35.4%Reduced
Nuveen Asset Management, LLC121,365$11.4M0.00%−8,174−6.3%Reduced
Lord, Abbett & Co. LLC131,666$12.3M0.04%−335,773−71.8%Reduced
Morgan Stanley151,446$14.2M0.00%+63,496+72.2%Added
Bank of America Corp152,458$14.3M0.00%−14,393−8.6%Reduced
Legal & General Group Plc159,281$14.9M0.01%+40,981+34.6%Added
Bank of New York Mellon Corp164,570$15.4M0.00%−27,129−14.2%Reduced
Exchange Traded Concepts, LLC177,692$16.6M0.48%+167,255+1,602.5%Added
Charles Schwab Investment Management Inc235,591$22.1M0.01%+6,582+2.9%Added
Eventide Asset Management, LLC239,135$22.4M0.44%+90,305+60.7%Added
Northern Trust Corp280,179$26.2M0.01%+3,005+1.1%Added
New York State Common Retirement Fund284,277$26.6M0.04%+18,408+6.9%Added
Stephens Investment Management Group LLC288,392$26.9M0.49%+1,444+0.5%Added
Goldman Sachs Group Inc293,548$27.5M0.01%+56,658+23.9%Added
Citadel Advisors LLC297,602$27.9M0.03%+90,958+44.0%Added
Rock Springs Capital Management LP309,450$29.0M0.70%+16,200+5.5%Added
Balyasny Asset Management LLC328,371$30.8M0.11%+230,527+235.6%Added
Slate Path Capital LP350,000$32.8M1.76%+350,000New
Bessemer Group Inc381,368$35.7M0.09%+3,481+0.9%Added
Janus Henderson Group PLC469,816$44.0M0.03%−3,381−0.7%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.492,377$46.1M0.17%+42,871+9.5%Added
PFM Health Sciences, LP493,721$46.2M1.95%00.0%Unchanged
Braidwell LP497,667$46.6M1.56%+497,667New
Price T Rowe Associates Inc504,695$47.3M0.01%−187,883−27.1%Reduced
Geode Capital Management, LLC560,778$52.5M0.01%+23,070+4.3%Added
Allspring Global Investments Holdings, LLC562,296$52.7M0.09%−87,318−13.4%Reduced
Norges Bank581,479$54.5M0.01%+7,333+1.3%Added
Credit Suisse AG626,107$58.6M0.06%+47,920+8.3%Added
Fiera Capital Corp679,504$63.6M0.20%−17,990−2.6%Reduced
State Street Corp759,214$71.1M0.00%+49,869+7.0%Added
Holocene Advisors, LP760,442$71.2M0.44%−216,325−22.1%Reduced
Invesco Ltd.850,791$79.7M0.02%−25,521−2.9%Reduced
Blair William & Co912,952$85.5M0.37%+89,871+10.9%Added
JPMorgan Chase & Co1,132,715$106.1M0.02%−131,310−10.4%Reduced