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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, Q3 2023

Institutional positions in iRhythm Holdings, Inc. as of Sep 30, 2023. 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
224
+23 vs. Q2 2023
Shares held
33.2M
−137.9K (−0.4%) vs. Q2 2023
Total value
$3.12B
−$351.7M (−10.1%) vs. Q2 2023
New holders
38
77 more added
Sold out
15
75 more reduced

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 holdersQ3 2023: 224 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 heldQ3 2023: $3.12B
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, Q3 2023

Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q2 2023.

Institutions holding IRTC in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Voya Investment Management LLC12,228$1.15M0.00%+105+0.9%Added
Brinker Capital Investments, LLC11,744$1.11M0.01%−352−2.9%Reduced
Orion Portfolio Solutions, LLC11,744$1.11M0.01%−352−2.9%Reduced
Canada Pension Plan Investment Board11,100$1.05M0.00%+11,100New
Barclays PLC10,949$1.03M0.00%−9,165−45.6%Reduced
Campbell & CO Investment Adviser LLC10,059$948.2K0.11%+137+1.4%Added
XTX Topco Ltd9,691$913.5K0.16%+5,025+107.7%Added
Assenagon Asset Management S.A.9,688$913.2K0.00%+9,688New
Ensign Peak Advisors, Inc9,530$898.3K0.00%00.0%Unchanged
Dynamic Technology Lab Private Ltd9,463$892.0K0.09%+9,463New
Duality Advisers, LP8,965$845.0K0.10%+20.0%Added
State Board of Administration of Florida Retirement System8,757$825.4K0.00%+40+0.5%Added
Arizona State Retirement System8,676$817.8K0.01%+120+1.4%Added
First Trust Advisors LP8,663$816.6K0.00%−595−6.4%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.8,478$799.1K0.00%−192−2.2%Reduced
Citadel Advisors LLC8,284$780.9K0.00%+7,726+1,384.6%Added
Stifel Financial Corp7,929$747.4K0.00%+46+0.6%Added
Cinctive Capital Management LP7,923$746.8K0.04%−34,130−81.2%Reduced
Bridgewater Associates, LP7,627$718.9K0.00%−25,574−77.0%Reduced
Abn Amro Investment Solutions7,434$700.7K0.01%+1,541+26.1%Added
Franklin Resources Inc7,263$684.6K0.00%−95−1.3%Reduced
Principal Financial Group Inc7,095$668.8K0.00%−246−3.4%Reduced
Dark Forest Capital Management LP7,072$666.6K0.06%−1,598−18.4%Reduced
AlphaCentric Advisors LLC7,000$659.8K0.37%+7,000New
Verition Fund Management LLC6,396$602.9K0.01%+6,396New
Zurcher Kantonalbank (Zurich Cantonalbank)6,314$595.2K0.00%+652+11.5%Added
RE Advisers Corp6,300$593.8K0.02%+6,300New
Handelsbanken Fonder AB6,039$569.0K0.00%+739+13.9%Added
Susquehanna International Group, LLP5,717$538.9K0.00%−22,895−80.0%Reduced
STRS Ohio5,500$518.0K0.00%+800+17.0%Added
Steel Peak Wealth Management LLC5,451$513.8K0.03%−55−1.0%Reduced
Polar Capital Holdings Plc5,107$481.4K0.00%−1,718−25.2%Reduced
IMA Wealth, Inc.5,000$471.3K0.12%00.0%Unchanged
CIBC Private Wealth Group, LLC4,969$468.4K0.00%+32+0.6%Added
Assetmark, Inc4,820$454.3K0.00%+752+18.5%Added
Amalgamated Bank4,703$443.0K0.00%+53+1.1%Added
Walleye Capital LLC4,685$441.6K0.01%+4,685New
AQR Capital Management LLC4,532$427.2K0.00%+1,204+36.2%Added
Oppenheimer Asset Management Inc.4,506$424.7K0.01%−58−1.3%Reduced
CI Private Wealth, LLC4,491$423.3K0.00%+1,004+28.8%Added
Bayesian Capital Management, LP4,287$404.1K0.05%+4,287New
Public Employees Retirement Association of Colorado4,145$391.0K0.00%−39−0.9%Reduced
O'Shaughnessy Asset Management, LLC4,025$379.4K0.01%+4,025New
ProShare Advisors LLC3,986$375.7K0.00%−6−0.2%Reduced
Snowden Capital Advisors LLC3,965$373.7K0.02%−168−4.1%Reduced
Two Sigma Investments, LP3,863$364.1K0.00%+3,863New
Mariner, LLC3,750$353.5K0.00%+620+19.8%Added
Premier Fund Managers Ltd3,658$351.0K0.02%−6,757−64.9%Reduced
Pictet Asset Management Holding SA3,382$318.8K0.00%+3,382New
Victory Capital Management Inc3,327$313.6K0.00%−148,886−97.8%Reduced
Advisor Group Holdings, Inc.3,241$305.5K0.00%+1,388+74.9%Added
Beacon Investment Advisory Services, Inc.3,221$303.6K0.01%+884+37.8%Added
Capstone Investment Advisors, LLC3,096$291.8K0.01%+3,096New
Yarbrough Capital, LLC3,090$291.3K0.02%00.0%Unchanged
Ameritas Investment Partners, Inc.3,049$287.4K0.01%+514+20.3%Added
Nomura Holdings Inc3,000$282.8K0.00%+1,000+50.0%Added
Virginia Retirement Systems Et Al3,000$282.8K0.00%+3,000New
Citigroup Inc2,730$257.3K0.00%−11,861−81.3%Reduced
Great West Life Assurance Co2,703$255.0K0.00%+1,500+124.7%Added
Los Angeles Capital Management LLC2,629$247.8K0.00%+62+2.4%Added
Prudential Financial Inc2,603$245.4K0.00%−9−0.3%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management2,600$245.1K0.01%00.0%Unchanged
Raymond James & Associates2,580$243.2K0.00%−300−10.4%Reduced
Magnetar Financial LLC2,578$243.0K0.01%+2,578New
Pictet & Cie (Europe) SA2,564$241.7K0.01%+456+21.6%Added
Nebula Research & Development LLC2,490$234.7K0.12%−2,266−47.6%Reduced
Vident Advisory, LLC2,400$226.2K0.01%+2,400New
Teacher Retirement System of Texas2,355$222.0K0.00%+52+2.3%Added
CWM, LLC2,305$217.0K0.00%−240−9.4%Reduced
Ascent Group, LLC2,985$216.9K0.02%+250+9.1%Added
Inceptionr LLC2,279$214.8K0.12%+2,279New
Graham Capital Management, L.P.2,272$214.2K0.01%+2,272New
Cim Investment Mangement Inc2,128$200.6K0.07%00.0%Unchanged
Jefferies Financial Group Inc.1,965$185.2K0.00%−2,998−60.4%Reduced
Amundi2,076$173.3K0.00%00.0%Unchanged
Metropolitan Life Insurance Co1,768$166.7K0.01%+114+6.9%Added
Natixis1,500$141.4K0.00%+1,500New
IFP Advisors, Inc1,489$140.4K0.01%+11+0.7%Added
Ancora Advisors, LLC1,430$134.8K0.00%00.0%Unchanged
Aquatic Capital Management LLC1,300$123.0K0.01%−6,600−83.5%Reduced
Clearstead Advisors, LLC1,050$99.0K0.01%00.0%Unchanged
Headlands Technologies LLC764$72.0K0.04%−936−55.1%Reduced
KBC Group NV693$65.0K0.00%+693New
US Bancorp675$63.6K0.00%−108−13.8%Reduced
Tower Research Capital LLC (TRC)641$60.4K0.00%−3,924−86.0%Reduced
Parallel Advisors, LLC629$59.3K0.00%−26−4.0%Reduced
Walleye Trading LLC583$55.0K0.00%+583New
Nisa Investment Advisors, LLC574$54.1K0.00%+301+110.3%Added
Comerica Bank528$49.8K0.00%−13,506−96.2%Reduced
Harel Insurance Investments & Financial Services Ltd.509$48.0K0.00%−3−0.6%Reduced
Van Eck Associates Corp480$45.0K0.00%−89−15.6%Reduced
Lazard Asset Management LLC404$38.0K0.00%+404New
Focused Wealth Management, Inc400$37.7K0.01%00.0%Unchanged
Financial Perspectives, Inc342$32.3K0.01%−1,000−74.5%Reduced
Covestor Ltd312$29.0K0.02%+231+285.2%Added
First Horizon Advisors, Inc.259$24.4K0.00%00.0%Unchanged
Stephens Inc175$16.5K0.00%+175New
Signaturefd, LLC125$11.8K0.00%00.0%Unchanged
Massmutual Trust Co FSB100$9.43K0.00%00.0%Unchanged
RFP Financial Group LLC95$8.96K0.00%00.0%Unchanged