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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 2023

Institutional positions in iRhythm Holdings, Inc. as of Dec 31, 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
222
0 vs. Q3 2023
Shares held
32.9M
−208.1K (−0.6%) vs. Q3 2023
Total value
$3.53B
+$406.8M (+13.0%) vs. Q3 2023
New holders
34
87 more added
Sold out
34
69 more reduced

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 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: 303 institutions
Value heldQ4 2023: $3.53B
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 2023

Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q3 2023.

Institutions holding IRTC in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Susquehanna International Group, LLP12,674$1.36M0.00%+6,957+121.7%Added
Voya Investment Management LLC12,268$1.31M0.00%+40+0.3%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.11,985$1.21M0.00%+3,507+41.4%Added
Brinker Capital Investments, LLC10,630$1.20M0.01%−1,114−9.5%Reduced
Orion Portfolio Solutions, LLC10,630$1.20M0.01%−1,114−9.5%Reduced
Ensign Peak Advisors, Inc11,180$1.20M0.00%+1,650+17.3%Added
Squarepoint Ops LLC10,929$1.17M0.00%−11,708−51.7%Reduced
Assenagon Asset Management S.A.9,699$1.04M0.00%+11+0.1%Added
Duality Advisers, LP8,965$959.6K0.10%00.0%Unchanged
Point72 Middle East FZE8,764$938.1K0.07%+8,764New
State Board of Administration of Florida Retirement System8,757$937.3K0.00%00.0%Unchanged
Arizona State Retirement System8,549$915.1K0.01%−127−1.5%Reduced
Stifel Financial Corp8,473$907.0K0.00%+544+6.9%Added
Great West Life Assurance Co8,519$906.0K0.00%+5,816+215.2%Added
Algert Global LLC8,012$857.6K0.03%−5,500−40.7%Reduced
Tower Research Capital LLC (TRC)7,906$846.3K0.01%+7,265+1,133.4%Added
Oppenheimer Asset Management Inc.7,693$823.5K0.01%+3,187+70.7%Added
Franklin Resources Inc7,285$779.8K0.00%+22+0.3%Added
Bridgewater Associates, LP7,264$777.5K0.00%−363−4.8%Reduced
Principal Financial Group Inc7,208$771.5K0.00%+113+1.6%Added
Abn Amro Investment Solutions7,099$759.9K0.01%−335−4.5%Reduced
Assetmark, Inc6,806$728.5K0.00%+1,986+41.2%Added
Citigroup Inc6,605$707.0K0.00%+3,875+141.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)6,314$675.9K0.00%00.0%Unchanged
Handelsbanken Fonder AB6,239$668.0K0.00%+200+3.3%Added
AQR Capital Management LLC6,139$657.1K0.00%+1,607+35.5%Added
Western Standard LLC5,924$634.1K0.60%−39,732−87.0%Reduced
Boothbay Fund Management, LLC5,783$619.0K0.02%+5,783New
STRS Ohio5,500$588.0K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC5,430$581.2K0.00%+5,430New
ProShare Advisors LLC5,081$543.9K0.00%+1,095+27.5%Added
Walleye Capital LLC5,076$543.3K0.01%+391+8.3%Added
AlphaCentric Advisors LLC5,000$535.2K0.36%−2,000−28.6%Reduced
Cim Investment Mangement Inc4,735$506.8K0.16%+2,607+122.5%Added
Advisor Group Holdings, Inc.4,648$497.5K0.00%+1,407+43.4%Added
First Trust Advisors LP4,419$473.0K0.00%−4,244−49.0%Reduced
Amalgamated Bank4,396$471.0K0.00%−307−6.5%Reduced
Prudential Financial Inc4,342$464.8K0.00%+1,739+66.8%Added
Ascent Group, LLC3,805$453.4K0.04%+820+27.5%Added
CIBC Private Wealth Group, LLC4,114$440.4K0.00%−855−17.2%Reduced
Engineers Gate Manager LP4,098$438.6K0.01%+4,098New
Y-Intercept (Hong Kong) Ltd4,083$437.0K0.04%+4,083New
Victory Capital Management Inc4,070$435.7K0.00%+743+22.3%Added
O'Shaughnessy Asset Management, LLC4,043$432.8K0.01%+18+0.4%Added
XTX Topco Ltd4,017$430.0K0.09%−5,674−58.5%Reduced
Snowden Capital Advisors LLC3,857$412.9K0.02%−108−2.7%Reduced
Public Employees Retirement Association of Colorado3,787$405.0K0.00%−358−8.6%Reduced
Premier Fund Managers Ltd3,658$398.0K0.02%00.0%Unchanged
Wolverine Trading, LLC3,620$387.5K0.00%+3,620New
Pictet Asset Management Holding SA3,382$362.0K0.00%00.0%Unchanged
Pictet & Cie (Europe) SA3,348$358.4K0.01%+784+30.6%Added
Aquatic Capital Management LLC3,300$353.0K0.01%+2,000+153.8%Added
Ameritas Investment Partners, Inc.3,177$340.1K0.01%+128+4.2%Added
Polar Capital Holdings Plc3,147$336.9K0.00%−1,960−38.4%Reduced
Bank of Montreal3,026$331.3K0.00%+3,026New
Mariner, LLC3,082$329.9K0.00%−668−17.8%Reduced
Beacon Investment Advisory Services, Inc.3,004$321.5K0.01%−217−6.7%Reduced
Diametric Capital, LP2,920$312.6K0.19%+2,920New
Weiss Multi-Strategy Advisers LLC2,670$286.0K0.01%+2,670New
Los Angeles Capital Management LLC2,629$281.4K0.00%00.0%Unchanged
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management2,600$278.3K0.01%00.0%Unchanged
CI Private Wealth, LLC2,581$276.3K0.00%−1,910−42.5%Reduced
Raymond James & Associates2,456$262.9K0.00%−124−4.8%Reduced
LPL Financial LLC2,336$250.0K0.00%+2,336New
Captrust Financial Advisors2,331$249.5K0.00%+2,331New
AlTi Global, Inc.2,311$247.4K0.01%+2,311New
Group One Trading, L.P.2,237$239.4K0.01%+2,237New
Brevan Howard Capital Management LP2,120$226.9K0.02%+2,120New
Vident Advisory, LLC2,096$224.4K0.01%−304−12.7%Reduced
Diversified Trust Co1,984$212.4K0.01%+1,984New
SeaCrest Wealth Management, LLC1,950$205.2K0.03%+1,950New
Amundi1,760$196.6K0.00%−316−15.2%Reduced
CWM, LLC1,823$195.0K0.00%−482−20.9%Reduced
Metropolitan Life Insurance Co1,768$189.2K0.01%00.0%Unchanged
Quent Capital, LLC1,500$160.6K0.02%+1,500New
IFP Advisors, Inc1,406$150.5K0.01%−83−5.6%Reduced
Ancora Advisors, LLC1,330$142.4K0.00%−100−7.0%Reduced
EntryPoint Capital, LLC1,124$120.3K0.12%+1,124New
Clearstead Advisors, LLC1,000$107.0K0.01%−50−4.8%Reduced
Comerica Bank759$81.1K0.00%+231+43.8%Added
Northwestern Mutual Wealth Management Co710$76.0K0.00%+710New
KBC Group NV693$74.0K0.00%00.0%Unchanged
US Bancorp661$70.8K0.00%−14−2.1%Reduced
Parallel Advisors, LLC650$69.6K0.00%+21+3.3%Added
Van Eck Associates Corp534$57.0K0.00%+54+11.3%Added
Covestor Ltd458$49.0K0.03%+146+46.8%Added
Focused Wealth Management, Inc400$42.8K0.01%00.0%Unchanged
Financial Perspectives, Inc342$36.7K0.01%00.0%Unchanged
Nisa Investment Advisors, LLC320$34.3K0.00%−254−44.3%Reduced
First Horizon Advisors, Inc.289$30.9K0.00%+30+11.6%Added
Harel Insurance Investments & Financial Services Ltd.187$20.0K0.00%−322−63.3%Reduced
Stephens Inc175$18.7K0.00%00.0%Unchanged
Signaturefd, LLC152$16.3K0.00%+27+21.6%Added
Federation des caisses Desjardins du Quebec116$12.4K0.00%+51+78.5%Added
Massmutual Trust Co FSB100$10.7K0.00%00.0%Unchanged
RFP Financial Group LLC95$10.2K0.00%00.0%Unchanged
Fifth Third Bancorp90$9.63K0.00%00.0%Unchanged
GWM Advisors LLC90$9.63K0.00%+86+2,150.0%Added
Toth Financial Advisory Corp85$9.10K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.71$7.60K0.00%+26+57.8%Added