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iRhythm Technologies (IRTC) Institutional Ownership

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$176.29 -0.27 (-0.16%)
Closing price 03:59 PM Eastern
Extended Trading
$176.29 +0.00 (+0.00%)
As of 04:04 PM Eastern
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Institutional Ownership Changes (13F Filings) for iRhythm Technologies (NASDAQ:IRTC)

Number of
Institutional Buyers
(last 12 months)
191
Total
Institutional Inflows
(last 12 months)
$835.09M
Number of
Institutional Sellers
(last 12 months)
106
Total
Institutional Outflows
(last 12 months)
$1.16B
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IRTC Institutional Buying and Selling by Quarter

iRhythm Technologies Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/9/2025Kampmann Melissa S.23,885$4.11M3.0%-2.7%0.074%
10/9/2025Harbour Capital Advisors LLC3,540$629K0.1%+58.4%0.011%
10/7/2025 Assenagon Asset Management S.A.77,876$13.39M0.0%N/A0.242%
9/4/2025Osaic Holdings Inc.9,292$1.43M0.0%+507.3%0.029%
8/22/2025Cim Investment Management Inc.5,601$862K0.2%-51.4%0.017%
8/19/2025State of Wyoming1,163$179K0.0%N/A0.004%
8/18/2025Castleark Management LLC48,180$7.42M0.2%-0.2%0.150%
8/15/2025Tower Research Capital LLC TRC 3,842$592K0.0%+296.5%0.012%
8/15/2025Captrust Financial Advisors5,760$887K0.0%+38.1%0.018%
8/15/2025Lazard Asset Management LLC468$72K0.0%N/A0.001%
8/15/2025Holocene Advisors LP313,094$48.20M0.1%+2,023.1%0.974%
8/15/2025Eventide Asset Management LLC691,573$106.48M1.9%-6.6%2.152%
8/15/2025Engineers Gate Manager LP74,842$11.52M0.1%+37.1%0.233%
8/15/2025Balyasny Asset Management L.P.44,713$6.88M0.0%+319.7%0.139%
8/15/2025Bank of America Corp DE347,632$53.52M0.0%-86.8%1.082%
8/15/2025Adage Capital Partners GP L.L.C.75,000$11.55M0.0%-25.0%0.233%
8/14/2025First Light Asset Management LLC187,355$28.85M3.7%-42.4%0.583%
8/14/2025California State Teachers Retirement System28,917$4.45M0.0%+0.3%0.090%
8/14/2025Raymond James Financial Inc.116,467$17.93M0.0%+5.8%0.362%
8/14/2025Canada Pension Plan Investment Board2,800$431K0.0%+833.3%0.009%
8/14/2025Occudo Quantitative Strategies LP6,135$945K0.1%N/A0.019%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.29,811$4.59M0.0%-15.5%0.093%
8/14/2025The Manufacturers Life Insurance Company 195,642$30.12M0.0%-0.4%0.609%
8/14/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 7,993$1.23M0.1%-40.8%0.025%
8/14/2025Frontier Capital Management Co. LLC106,415$16.38M0.2%-52.7%0.331%
8/14/2025Next Century Growth Investors LLC224,863$34.62M2.7%+8.0%0.700%
8/14/2025Ophir Asset Management Pty Ltd202,084$28.31M4.4%-46.5%0.629%
8/14/2025Qube Research & Technologies Ltd47,425$7.30M0.0%N/A0.148%
8/14/2025WINTON GROUP Ltd12,877$1.98M0.1%N/A0.040%
8/14/2025Natixis23,500$3.62M0.0%+291.7%0.073%
8/14/2025Federated Hermes Inc.48,424$7.46M0.0%N/A0.151%
8/13/2025Jump Financial LLC62,795$9.67M0.1%N/A0.195%
8/13/2025Amundi60,608$8.65M0.0%-36.8%0.189%
8/13/2025Walleye Capital LLC73,822$11.37M0.0%N/A0.230%
8/13/2025First Trust Advisors LP56,197$8.65M0.0%+66.0%0.175%
8/13/2025Kennedy Capital Management LLC15,844$2.44M0.1%-10.8%0.049%
8/13/2025Sands Capital Management LLC2,915,527$448.88M1.3%-3.3%9.075%
8/13/2025Arrowstreet Capital Limited Partnership8,304$1.28M0.0%N/A0.026%
8/13/2025Quantbot Technologies LP23,242$3.58M0.1%N/A0.072%
8/13/2025New York State Common Retirement Fund170,013$26.18M0.0%+5.7%0.529%
8/13/2025Schroder Investment Management Group220,969$34.19M0.0%-29.8%0.688%
8/13/2025Mackenzie Financial Corp729,813$112.36M0.1%-36.9%2.272%
8/13/2025Loomis Sayles & Co. L P255,517$39.34M0.0%N/A0.795%
8/13/2025Quadrature Capital Ltd2,360$363K0.0%N/A0.007%
8/13/2025Virtue Capital Management LLC5,685$875K0.2%N/A0.018%
8/13/2025Hsbc Holdings PLC4,081$631K0.0%-11.1%0.013%
8/13/2025RiverPark Advisors LLC1,916$295K0.2%-6.1%0.006%
8/12/2025XTX Topco Ltd16,504$2.54M0.1%+570.3%0.051%
8/12/2025Champlain Investment Partners LLC661,232$101.80M0.7%-19.6%2.058%
8/12/2025Ameritas Investment Partners Inc.3,256$501K0.0%+2.9%0.010%
8/12/2025Prudential Financial Inc.45,825$7.06M0.0%+1,914.3%0.143%
8/12/2025Segall Bryant & Hamill LLC137,293$21.14M0.3%+5.0%0.427%
8/12/2025Rhumbline Advisers48,477$7.46M0.0%+5.5%0.151%
8/12/2025Franklin Resources Inc.4,558$702K0.0%N/A0.014%
8/12/2025Legal & General Group Plc44,004$6.78M0.0%+2.5%0.137%
8/12/2025Hillsdale Investment Management Inc.37,500$5.77M0.2%N/A0.117%
8/12/2025JPMorgan Chase & Co.563,201$86.71M0.0%+0.1%1.753%
8/12/2025Entropy Technologies LP11,189$1.72M0.1%N/A0.035%
8/12/2025Swiss National Bank60,000$9.24M0.0%-1.2%0.187%
8/12/2025Handelsbanken Fonder AB9,139$1.41M0.0%-27.7%0.028%
8/12/2025Westfield Capital Management Co. LP290,570$44.74M0.2%-52.9%0.904%
8/12/2025Ensign Peak Advisors Inc13,203$2.03M0.0%+24.1%0.041%
8/12/2025Artisan Partners Limited Partnership2,740,841$421.98M0.6%-2.6%8.530%
8/11/2025Semanteon Capital Management LP9,951$1.53M2.3%-3.5%0.031%
8/11/2025ANB Bank1,826$281K0.1%N/A0.006%
8/8/2025Creative Planning10,475$1.61M0.0%+22.6%0.033%
8/8/2025SG Americas Securities LLC27,989$4.31M0.0%+232.1%0.087%
8/8/2025ABN Amro Investment Solutions8,333$1.28M0.0%N/A0.026%
8/8/2025Police & Firemen s Retirement System of New Jersey7,153$1.10M0.0%+6.5%0.022%
8/8/2025Geode Capital Management LLC767,336$118.15M0.0%+2.3%2.388%
8/8/2025PNC Financial Services Group Inc.2,935$452K0.0%-28.4%0.009%
8/8/2025M&G PLC74,398$11.46M0.1%N/A0.232%
8/8/2025TimesSquare Capital Management LLC71,660$11.03M0.2%N/A0.223%
8/8/2025KBC Group NV870$134K0.0%-34.9%0.003%
8/7/2025ProShare Advisors LLC6,540$1.01M0.0%-5.9%0.020%
8/7/2025Future Fund LLC6,608$1.02M0.5%N/A0.021%
8/7/2025Connor Clark & Lunn Investment Management Ltd.53,926$8.30M0.0%N/A0.168%
8/7/2025Mitsubishi UFJ Asset Management Co. Ltd.4,526$697K0.0%-36.8%0.014%
8/6/2025Summit Investment Advisors Inc.3,163$331K0.3%-3.3%0.010%
8/6/2025Fox Run Management L.L.C.5,496$846K0.1%+42.8%0.017%
8/6/2025EFG Asset Management North America Corp.30,612$4.71M0.7%-12.1%0.095%
8/5/2025Bryce Point Capital LLC4,860$748K0.6%N/A0.015%
8/5/2025Bank of New York Mellon Corp349,338$53.78M0.0%-2.3%1.087%
8/5/2025Corton Capital Inc.2,223$342K0.4%N/A0.007%
8/5/2025Bank of Montreal Can1,454$224K0.0%N/A0.005%
8/5/2025Versor Investments LP1,300$200K0.0%N/A0.004%
8/5/2025ANTIPODES PARTNERS Ltd255$39K0.0%N/A0.001%
8/4/2025Atria Investments Inc1,300$200K0.0%N/A0.004%
8/4/2025Keybank National Association OH3,072$473K0.0%-3.2%0.010%
8/1/2025Jennison Associates LLC297,492$45.80M0.0%+6.2%0.932%
8/1/2025Peregrine Capital Management LLC76,594$11.79M0.4%-7.8%0.240%
8/1/2025Teacher Retirement System of Texas4,769$734K0.0%+4.2%0.015%
8/1/2025Y Intercept Hong Kong Ltd30,413$4.68M0.1%N/A0.095%
8/1/2025Bessemer Group Inc.569,196$87.63M0.1%-0.8%1.783%
8/1/2025Envestnet Asset Management Inc.33,809$5.21M0.0%-5.6%0.106%
7/31/2025Oppenheimer Asset Management Inc.2,386$367K0.0%-40.2%0.007%
7/31/2025State of New Jersey Common Pension Fund D13,223$2.04M0.0%-18.7%0.041%
7/31/2025AlphaQuest LLC1,257$194K0.0%+344.2%0.004%
7/31/2025R Squared Ltd2,621$404K0.2%N/A0.008%
7/30/2025Ethic Inc.1,566$242K0.0%N/A0.005%
(Data available from 1/1/2016 forward)

IRTC Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of IRTC shares?

During the previous two years, 269 institutional investors and hedge funds held shares of iRhythm Technologies. The most heavily invested institutionals were Sands Capital Management LLC ($448.88M), Artisan Partners Limited Partnership ($421.98M), Vanguard Group Inc. ($325.37M), Capital Research Global Investors ($147.61M), Geode Capital Management LLC ($118.15M), Blair William & Co. IL ($113.83M), and Mackenzie Financial Corp ($112.36M).Learn more on iRhythm Technologies' institutional investors.

Which institutional investors have been buying iRhythm Technologies' stock?

Of the 230 institutional investors that purchased iRhythm Technologies' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: First Light Asset Management LLC ($763.35K), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($568.26K), Fuller & Thaler Asset Management Inc. ($518.24K), Westfield Capital Management Co. LP ($502.68K), Artisan Partners Limited Partnership ($468.78K), Eventide Asset Management LLC ($465.28K), and Champlain Investment Partners LLC ($449.40K).

How much institutional buying is happening at iRhythm Technologies?

Institutional investors have bought a total of 7,938,247 shares in the last 24 months. This purchase volume represents approximately $835.09M in transactions.

Which of iRhythm Technologies' major shareholders have been selling company stock?

Of the 106 institutional investors that sold iRhythm Technologies' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Bank of America Corp DE ($2.45M), Alliancebernstein L.P. ($1.17M), Holocene Advisors LP ($861.69K), Mackenzie Financial Corp ($690.02K), Millennium Management LLC ($581.88K), Westfield Capital Management Co. LP ($555.47K), and Capital Research Global Investors ($317.97K).

How much institutional selling is happening at iRhythm Technologies?

Institutional investors have sold a total of 9,970,892 shares in the last 24 months. This volume of shares sold represents approximately $1.16B in transactions.


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This page (NASDAQ:IRTC) was last updated on 10/10/2025 by MarketBeat.com Staff
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