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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 2022

Institutional positions in iRhythm Holdings, Inc. as of Mar 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
222
+13 vs. Q4 2021
Shares held
30.4M
+1.22M (+4.2%) vs. Q4 2021
Total value
$4.78B
+$1.35B (+39.3%) vs. Q4 2021
New holders
40
74 more added
Sold out
27
79 more reduced

4 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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.

Institutional holdersQ1 2022: 222 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 2022: $4.78B
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 2022

Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q4 2021.

Institutions holding IRTC in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Squarepoint Ops LLC15,746$2.48M0.02%+13,047+483.4%Added
EAM Global Investors LLC15,015$2.36M0.44%+15,015New
Stifel Financial Corp14,997$2.36M0.00%−110−0.7%Reduced
Schonfeld Strategic Advisors LLC15,000$2.36M0.03%+15,000New
American International Group, Inc.14,650$2.31M0.01%−1,031−6.6%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.13,817$2.18M0.01%−641−4.4%Reduced
AQR Capital Management LLC13,620$2.15M0.00%+7,884+137.4%Added
Prelude Capital Management, LLC13,138$2.07M0.10%−10,130−43.5%Reduced
EAM Investors, LLC13,137$2.07M0.39%+13,137New
Dowling & Yahnke LLC13,110$2.06M0.09%+7,645+139.9%Added
STRS Ohio12,300$1.94M0.01%+1,300+11.8%Added
Panagora Asset Management Inc11,676$1.84M0.01%−2,587−18.1%Reduced
Voya Investment Management LLC11,576$1.82M0.00%+112+1.0%Added
State Board of Administration of Florida Retirement System11,037$1.74M0.00%−570−4.9%Reduced
Polar Capital Holdings Plc9,691$1.53M0.01%+9,691New
Oppenheimer Asset Management Inc.9,569$1.51M0.02%−858−8.2%Reduced
WoodTrust Financial Corp9,282$1.46M0.30%−500−5.1%Reduced
Advisor Group Holdings, Inc.8,959$1.41M0.00%+6,009+203.7%Added
Principal Financial Group Inc8,766$1.38M0.00%+214+2.5%Added
Arizona State Retirement System7,954$1.25M0.01%+40+0.5%Added
Parian Global Management LP7,898$1.24M2.56%−46,568−85.5%Reduced
Ensign Peak Advisors, Inc7,740$1.22M0.00%+2,150+38.5%Added
Cubist Systematic Strategies, LLC7,213$1.14M0.01%−3,981−35.6%Reduced
SG Americas Securities, LLC6,399$1.01M0.01%−1,649−20.5%Reduced
Winton Group Ltd6,322$996.0K0.05%+78+1.2%Added
Citigroup Inc6,121$965.0K0.00%−7,096−53.7%Reduced
Handelsbanken Fonder AB6,000$945.0K0.01%00.0%Unchanged
Teacher Retirement System of Texas5,987$943.0K0.00%+372+6.6%Added
Algert Global LLC5,786$911.0K0.06%+3,307+133.4%Added
FMR LLC5,563$877.0K0.00%+1,063+23.6%Added
Cna Financial Corp5,570$877.0K0.27%+5,570New
ProShare Advisors LLC5,533$872.0K0.00%−915−14.2%Reduced
Los Angeles Capital Management LLC5,521$869.0K0.00%+287+5.5%Added
CIBC Private Wealth Group, LLC5,290$833.0K0.00%+125+2.4%Added
Amalgamated Bank4,830$761.0K0.01%−362−7.0%Reduced
Amalgamated Financial Corp.4,830$761.0K0.01%+4,830New
Trexquant Investment LP4,512$711.0K0.03%−4,479−49.8%Reduced
Laurel Wealth Advisors, Inc.4,505$709.0K0.06%00.0%Unchanged
Bank of Montreal4,347$694.0K0.00%−205−4.5%Reduced
Public Employees Retirement Association of Colorado4,184$659.0K0.00%−6−0.1%Reduced
Natixis4,157$655.0K0.00%00.0%Unchanged
Virginia Retirement Systems Et Al4,100$646.0K0.01%+100+2.5%Added
Conway Capital Management, Inc.4,040$636.2K0.41%+4,040New
US Bancorp4,012$632.0K0.00%+144+3.7%Added
Zurcher Kantonalbank (Zurich Cantonalbank)4,001$630.0K0.00%00.0%Unchanged
Birchview Capital, LP4,000$630.0K0.45%00.0%Unchanged
Victory Capital Management Inc5,105$630.0K0.00%+1,593+45.4%Added
American Century Companies Inc3,881$611.0K0.00%−1,430−26.9%Reduced
Banque Cantonale Vaudoise3,626$571.0K0.02%+3,626New
Cim Investment Mangement Inc3,549$559.0K0.19%−3,083−46.5%Reduced
Tower Research Capital LLC (TRC)3,418$538.0K0.01%+2,651+345.6%Added
Steel Peak Wealth Management LLC3,346$527.0K0.03%+3,346New
Bank of Hawaii2,875$453.0K0.02%00.0%Unchanged
Spearhead Capital Advisors, LLC2,858$450.0K0.06%−1,872−39.6%Reduced
Gabelli Funds LLC2,800$441.0K0.00%−4,000−58.8%Reduced
Susquehanna International Group, LLP2,789$439.0K0.00%−22,876−89.1%Reduced
BNP Paribas Arbitrage, SA2,787$438.9K0.00%−3,650−56.7%Reduced
Ascent Group, LLC2,700$425.0K0.05%+165+6.5%Added
IFP Advisors, Inc5,565$415.0K0.01%+2,942+112.2%Added
HSBC Holdings PLC2,472$395.0K0.00%+44+1.8%Added
Wolverine Trading, LLC2,530$383.0K0.01%−10,827−81.1%Reduced
Fulton Bank, N.A.2,356$371.0K0.02%−121−4.9%Reduced
Ameritas Investment Partners, Inc.2,350$370.0K0.01%00.0%Unchanged
DuPont Capital Management Corp2,192$345.0K0.01%−5,177−70.3%Reduced
Avestar Capital, LLC2,165$341.0K0.06%+2,165New
Franklin Resources Inc2,143$338.0K0.00%+15+0.7%Added
LPL Financial LLC2,022$318.0K0.00%−1,612−44.4%Reduced
Pictet Asset Management SA2,000$315.0K0.00%00.0%Unchanged
Fieldpoint Private Securities, LLC1,808$285.0K0.06%00.0%Unchanged
Metropolitan Life Insurance Co1,808$284.7K0.01%−5,925−76.6%Reduced
SeaCrest Wealth Management, LLC1,780$280.0K0.03%+40+2.3%Added
Cutler Group LP1,688$265.0K0.02%+1,465+657.0%Added
O'Shaughnessy Asset Management, LLC1,678$264.0K0.00%+1,678New
FDx Advisors, Inc.1,670$263.0K0.01%+1,670New
First Republic Investment Management, Inc.1,635$257.0K0.00%−200−10.9%Reduced
Amundi1,650$255.0K0.00%−605−26.8%Reduced
Bokf, NA1,593$251.0K0.00%+1,593New
Great West Life Assurance Co1,484$249.0K0.00%−142−8.7%Reduced
Vontobel Holding Ltd.1,575$248.0K0.00%+1,575New
Bailard, Inc.1,500$236.0K0.01%−1,500−50.0%Reduced
Bluestein R H & Co1,500$236.0K0.01%+1,500New
Pearl River Capital, LLC1,476$232.0K0.06%+1,476New
Ancora Advisors, LLC1,430$225.0K0.01%00.0%Unchanged
Xponance, Inc.1,407$222.0K0.00%+1,407New
CIBC Asset Management Inc1,374$216.0K0.00%+1,374New
Financial Perspectives, Inc1,335$210.3K0.10%00.0%Unchanged
JustInvest LLC1,290$203.0K0.01%+1,290New
Nisa Investment Advisors, LLC1,026$162.0K0.00%−77−7.0%Reduced
Macquarie Group Ltd679$107.0K0.00%00.0%Unchanged
Harel Insurance Investments & Financial Services Ltd.588$93.0K0.00%−113−16.1%Reduced
Rockefeller Capital Management L.P.550$86.0K0.00%+13+2.4%Added
State of Wyoming531$84.0K0.04%+531New
Parallel Advisors, LLC506$77.0K0.00%−124−19.7%Reduced
Captrust Financial Advisors487$77.0K0.00%+12+2.5%Added
Assetmark, Inc460$72.0K0.00%+460New
FNY Investment Advisers, LLC351$55.0K0.05%+351New
Howe & Rusling Inc300$47.0K0.01%00.0%Unchanged
Canada Pension Plan Investment Board200$31.0K0.00%−1,621−89.0%Reduced
Laurel Wealth Planning LLC190$30.0K0.02%00.0%Unchanged
Signaturefd, LLC158$25.0K0.00%+2+1.3%Added