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iRhythm Technologies (IRTC) Institutional Ownership

iRhythm Technologies logo
$168.89 +2.21 (+1.33%)
Closing price 03:59 PM Eastern
Extended Trading
$169.13 +0.24 (+0.14%)
As of 04:01 PM Eastern
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Institutional Ownership Changes (13F Filings) for iRhythm Technologies (NASDAQ:IRTC)

Number of
Institutional Buyers
(last 12 months)
189
Total
Institutional Inflows
(last 12 months)
$821.88M
Number of
Institutional Sellers
(last 12 months)
108
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
8/22/2025Cim Investment Management Inc.5,601$862K0.2%-51.4%0.017%
8/19/2025 State of Wyoming1,163$179K0.0%N/A0.004%
8/18/2025 Castleark Management LLC48,180$7.42M0.2%-0.2%0.150%
8/15/2025 Tower Research Capital LLC TRC 3,842$592K0.0%+296.5%0.012%
8/15/2025 Captrust Financial Advisors5,760$887K0.0%+38.1%0.018%
8/15/2025 Lazard Asset Management LLC468$72K0.0%N/A0.001%
8/15/2025 Holocene Advisors LP313,094$48.20M0.1%+2,023.1%0.974%
8/15/2025 Eventide Asset Management LLC691,573$106.48M1.9%-6.6%2.152%
8/15/2025 Engineers Gate Manager LP74,842$11.52M0.1%+37.1%0.233%
8/15/2025 Balyasny Asset Management L.P.44,713$6.88M0.0%+319.7%0.139%
8/15/2025 Bank of America Corp DE347,632$53.52M0.0%-86.8%1.082%
8/15/2025 Adage Capital Partners GP L.L.C.75,000$11.55M0.0%-25.0%0.233%
8/14/2025 First Light Asset Management LLC187,355$28.85M3.7%-42.4%0.583%
8/14/2025 California State Teachers Retirement System28,917$4.45M0.0%+0.3%0.090%
8/14/2025 Raymond James Financial Inc.116,467$17.93M0.0%+5.8%0.362%
8/14/2025 Canada Pension Plan Investment Board2,800$431K0.0%+833.3%0.009%
8/14/2025 Occudo Quantitative Strategies LP6,135$945K0.1%N/A0.019%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.29,811$4.59M0.0%-15.5%0.093%
8/14/2025 The Manufacturers Life Insurance Company 195,642$30.12M0.0%-0.4%0.609%
8/14/2025 OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 7,993$1.23M0.1%-40.8%0.025%
8/14/2025 Frontier Capital Management Co. LLC106,415$16.38M0.2%-52.7%0.331%
8/14/2025 Next Century Growth Investors LLC224,863$34.62M2.7%+8.0%0.700%
8/14/2025 Ophir Asset Management Pty Ltd202,084$28.31M4.4%-46.5%0.629%
8/14/2025 Qube Research & Technologies Ltd47,425$7.30M0.0%N/A0.148%
8/14/2025 WINTON GROUP Ltd12,877$1.98M0.1%N/A0.040%
8/14/2025 Natixis23,500$3.62M0.0%+291.7%0.073%
8/14/2025 Federated Hermes Inc.48,424$7.46M0.0%N/A0.151%
8/13/2025 Jump Financial LLC62,795$9.67M0.1%N/A0.195%
8/13/2025 Amundi60,608$8.65M0.0%-36.8%0.189%
8/13/2025 Walleye Capital LLC73,822$11.37M0.0%N/A0.230%
8/13/2025 First Trust Advisors LP56,197$8.65M0.0%+66.0%0.175%
8/13/2025 Kennedy Capital Management LLC15,844$2.44M0.1%-10.8%0.049%
8/13/2025 Sands Capital Management LLC2,915,527$448.88M1.3%-3.3%9.075%
8/13/2025 Arrowstreet Capital Limited Partnership8,304$1.28M0.0%N/A0.026%
8/13/2025 Quantbot Technologies LP23,242$3.58M0.1%N/A0.072%
8/13/2025 New York State Common Retirement Fund170,013$26.18M0.0%+5.7%0.529%
8/13/2025 Schroder Investment Management Group220,969$34.19M0.0%-29.8%0.688%
8/13/2025 Mackenzie Financial Corp729,813$112.36M0.1%-36.9%2.272%
8/13/2025 Loomis Sayles & Co. L P255,517$39.34M0.0%N/A0.795%
8/13/2025 Quadrature Capital Ltd2,360$363K0.0%N/A0.007%
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8/13/2025 Virtue Capital Management LLC5,685$875K0.2%N/A0.018%
8/13/2025 Hsbc Holdings PLC4,081$631K0.0%-11.1%0.013%
8/13/2025 RiverPark Advisors LLC1,916$295K0.2%-6.1%0.006%
8/12/2025 XTX Topco Ltd16,504$2.54M0.1%+570.3%0.051%
8/12/2025 Champlain Investment Partners LLC661,232$101.80M0.7%-19.6%2.058%
8/12/2025 Ameritas Investment Partners Inc.3,256$501K0.0%+2.9%0.010%
8/12/2025 Prudential Financial Inc.45,825$7.06M0.0%+1,914.3%0.143%
8/12/2025 Segall Bryant & Hamill LLC137,293$21.14M0.3%+5.0%0.427%
8/12/2025 Rhumbline Advisers48,477$7.46M0.0%+5.5%0.151%
8/12/2025 Franklin Resources Inc.4,558$702K0.0%N/A0.014%
8/12/2025 Legal & General Group Plc44,004$6.78M0.0%+2.5%0.137%
8/12/2025 Hillsdale Investment Management Inc.37,500$5.77M0.2%N/A0.117%
8/12/2025 JPMorgan Chase & Co.563,201$86.71M0.0%+0.1%1.753%
8/12/2025 Entropy Technologies LP11,189$1.72M0.1%N/A0.035%
8/12/2025 Swiss National Bank60,000$9.24M0.0%-1.2%0.187%
8/12/2025 Handelsbanken Fonder AB9,139$1.41M0.0%-27.7%0.028%
8/12/2025 Westfield Capital Management Co. LP290,570$44.74M0.2%-52.9%0.904%
8/12/2025 Ensign Peak Advisors Inc13,203$2.03M0.0%+24.1%0.041%
8/12/2025 Artisan Partners Limited Partnership2,740,841$421.98M0.6%-2.6%8.530%
8/11/2025 Semanteon Capital Management LP9,951$1.53M2.3%-3.5%0.031%
8/11/2025 ANB Bank1,826$281K0.1%N/A0.006%
8/8/2025 Creative Planning10,475$1.61M0.0%+22.6%0.033%
8/8/2025 SG Americas Securities LLC27,989$4.31M0.0%+232.1%0.087%
8/8/2025 ABN Amro Investment Solutions8,333$1.28M0.0%N/A0.026%
8/8/2025 Police & Firemen s Retirement System of New Jersey7,153$1.10M0.0%+6.5%0.022%
8/8/2025 Geode Capital Management LLC767,336$118.15M0.0%+2.3%2.388%
8/8/2025 PNC Financial Services Group Inc.2,935$452K0.0%-28.4%0.009%
8/8/2025 M&G PLC74,398$11.46M0.1%N/A0.232%
8/8/2025 TimesSquare Capital Management LLC71,660$11.03M0.2%N/A0.223%
8/8/2025 KBC Group NV870$134K0.0%-34.9%0.003%
8/7/2025 ProShare Advisors LLC6,540$1.01M0.0%-5.9%0.020%
8/7/2025 Future Fund LLC6,608$1.02M0.5%N/A0.021%
8/7/2025 Connor Clark & Lunn Investment Management Ltd.53,926$8.30M0.0%N/A0.168%
8/7/2025 Mitsubishi UFJ Asset Management Co. Ltd.4,526$697K0.0%-36.8%0.014%
8/6/2025 Summit Investment Advisors Inc.3,163$331K0.3%-3.3%0.010%
8/6/2025 Fox Run Management L.L.C.5,496$846K0.1%+42.8%0.017%
8/6/2025 EFG Asset Management North America Corp.30,612$4.71M0.7%-12.1%0.095%
8/5/2025 Bryce Point Capital LLC4,860$748K0.6%N/A0.015%
8/5/2025 Bank of New York Mellon Corp349,338$53.78M0.0%-2.3%1.087%
8/5/2025 Corton Capital Inc.2,223$342K0.4%N/A0.007%
8/5/2025 Bank of Montreal Can1,454$224K0.0%N/A0.005%
8/5/2025 Versor Investments LP1,300$200K0.0%N/A0.004%
8/5/2025 ANTIPODES PARTNERS Ltd255$39K0.0%N/A0.001%
8/4/2025 Atria Investments Inc1,300$200K0.0%N/A0.004%
8/4/2025 Keybank National Association OH3,072$473K0.0%-3.2%0.010%
8/1/2025 Jennison Associates LLC297,492$45.80M0.0%+6.2%0.932%
8/1/2025 Peregrine Capital Management LLC76,594$11.79M0.4%-7.8%0.240%
8/1/2025 Teacher Retirement System of Texas4,769$734K0.0%+4.2%0.015%
8/1/2025 Y Intercept Hong Kong Ltd30,413$4.68M0.1%N/A0.095%
8/1/2025 Bessemer Group Inc.569,196$87.63M0.1%-0.8%1.783%
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8/1/2025 Envestnet Asset Management Inc.33,809$5.21M0.0%-5.6%0.106%
7/31/2025 Oppenheimer Asset Management Inc.2,386$367K0.0%-40.2%0.007%
7/31/2025 State of New Jersey Common Pension Fund D13,223$2.04M0.0%-18.7%0.041%
7/31/2025 AlphaQuest LLC1,257$194K0.0%+344.2%0.004%
7/31/2025 R Squared Ltd2,621$404K0.2%N/A0.008%
7/30/2025 Ethic Inc.1,566$242K0.0%N/A0.005%
7/30/2025 Stephens Investment Management Group LLC552,916$85.13M1.1%+6.2%1.732%
7/30/2025 Cookson Peirce & Co. Inc.7,072$1.09M0.0%N/A0.022%
7/29/2025 VIRGINIA RETIREMENT SYSTEMS ET Al2,700$416K0.0%N/A0.008%
7/29/2025 Mutual of America Capital Management LLC22,652$3.49M0.0%+9.3%0.071%
(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, 268 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 229 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 7,872,920 shares in the last 24 months. This purchase volume represents approximately $821.88M in transactions.

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

Of the 108 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 9,972,193 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 8/22/2025 by MarketBeat.com Staff
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