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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.

Q1 2022 vs. Q4 2021

How the institutions holding iRhythm Holdings, Inc. changed between Q4 2021 and Q1 2022.

All holders in Q1 2022All holders in Q4 2021

13F holders of IRTC: Q4 2021 compared with Q1 2022
MeasureQ4 2021Of which not filed for Q1 2022Q1 2022Change
Holders2134222+13
Shares29.1M21130.4M+1.22M (+4.2%)
Value$3.43B$25.0K$4.78B+$1.35B (+39.3%)

4 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (40)

Institutions that held iRhythm Holdings, Inc. at the end of Q1 2022 but not at the end of Q4 2021.

Institutions new to IRTC in Q1 2022
InstitutionSharesValue% of portfolio
Lord, Abbett & Co. LLC538,035$84.7M0.23%
Atika Capital Management LLC136,588$21.5M2.05%
Eminence Capital, LP101,884$16.0M0.26%
Assenagon Asset Management S.A.96,038$15.1M0.05%
Barclays PLC85,000$13.4M0.01%
Islet Management, LP55,000$8.66M1.07%
Castleark Management LLC51,190$8.06M0.35%
Fred Alger Management, LLC32,252$5.08M0.02%
Calamos Advisors LLC29,971$4.72M0.02%
Sectoral Asset Management Inc28,800$4.54M0.81%
Truist Financial Corp20,863$3.29M0.01%
Renaissance Technologies LLC18,700$2.94M0.00%
EAM Global Investors LLC15,015$2.36M0.44%
Schonfeld Strategic Advisors LLC15,000$2.36M0.03%
EAM Investors, LLC13,137$2.07M0.39%
Polar Capital Holdings Plc9,691$1.53M0.01%
Cna Financial Corp5,570$877.0K0.27%
Amalgamated Financial Corp.4,830$761.0K0.01%
Conway Capital Management, Inc.4,040$636.2K0.41%
Banque Cantonale Vaudoise3,626$571.0K0.02%
Steel Peak Wealth Management LLC3,346$527.0K0.03%
Avestar Capital, LLC2,165$341.0K0.06%
O'Shaughnessy Asset Management, LLC1,678$264.0K0.00%
FDx Advisors, Inc.1,670$263.0K0.01%
Bokf, NA1,593$251.0K0.00%
Vontobel Holding Ltd.1,575$248.0K0.00%
Bluestein R H & Co1,500$236.0K0.01%
Pearl River Capital, LLC1,476$232.0K0.06%
Xponance, Inc.1,407$222.0K0.00%
CIBC Asset Management Inc1,374$216.0K0.00%
JustInvest LLC1,290$203.0K0.01%
State of Wyoming531$84.0K0.04%
Assetmark, Inc460$72.0K0.00%
FNY Investment Advisers, LLC351$55.0K0.05%
JFS Wealth Advisors, LLC123$19.0K0.00%
Hanseatic Management Services Inc43$7.00K0.01%
Moisand Fitzgerald Tamayo, LLC35$6.00K0.00%
Siena Capital LLC19$3.00K0.00%
Glassman Wealth Services4$1.00K0.00%
TCWP LLC8$1.00K0.00%

Sold out (27)

Institutions that held iRhythm Holdings, Inc. at the end of Q4 2021 and filed for Q1 2022 without it.

Not filed for Q1 2022 yet (4)

Institutions that held iRhythm Holdings, Inc. at the end of Q4 2021 and haven't filed a 13F for Q1 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRTC in Q4 2021 that haven't filed for Q1 2022
InstitutionShares, Q4 2021Value, Q4 2021
Carroll Financial Associates, Inc.120$14.0K
NEXT Financial Group, Inc40$5.00K
Bell Investment Advisors, Inc30$4.00K
Harbour Investments, Inc.21$2.00K