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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.

Q4 2022 vs. Q3 2022

How the institutions holding iRhythm Holdings, Inc. changed between Q3 2022 and Q4 2022.

All holders in Q4 2022All holders in Q3 2022

13F holders of IRTC: Q3 2022 compared with Q4 2022
MeasureQ3 2022Of which not filed for Q4 2022Q4 2022Change
Holders2335208−20
Shares30.4M46.7K31.1M+751.6K (+2.5%)
Value$3.81B$5.86M$2.92B−$884.8M (−23.3%)

5 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (31)

Institutions that held iRhythm Holdings, Inc. at the end of Q4 2022 but not at the end of Q3 2022.

Institutions new to IRTC in Q4 2022
InstitutionSharesValue% of portfolio
Braidwell LP497,667$46.6M1.56%
Slate Path Capital LP350,000$32.8M1.76%
Renaissance Technologies LLC101,800$9.54M0.01%
Western Standard LLC29,560$2.77M2.44%
Jump Financial, LLC19,402$1.82M0.10%
Voloridge Investment Management, LLC12,990$1.22M0.01%
Cutler Group LP6,406$600.0K0.07%
SYSTM Wealth Solutions LLC6,266$586.9K0.07%
Winton Group Ltd5,600$524.6K0.03%
HRT Financial LP5,064$474.0K0.01%
Caas Capital Management LP5,000$468.4K0.09%
Vontobel Holding Ltd.4,483$419.9K0.00%
CI Private Wealth, LLC4,475$419.2K0.00%
Walleye Capital LLC4,441$416.0K0.01%
Fox Run Management, L.L.C.4,432$415.1K0.17%
Walleye Trading LLC3,707$347.2K0.01%
Boulder Hill Capital Management LP3,300$309.1K0.26%
Point72 Middle East FZE2,234$209.3K0.02%
Yarbrough Capital, LLC2,020$189.2K0.02%
Kraematon Investment Advisors, Inc525$49.2K0.05%
RFP Financial Group LLC95$8.90K0.00%
Belpointe Asset Management LLC64$6.00K0.00%
Group One Trading, L.P.38$3.56K0.00%
Park Place Capital Corp27$3.00K0.00%
Retirement Financial Solutions, LLC24$2.25K0.00%
GWM Advisors LLC50$1.88K0.00%
Advisory Services Network, LLC16$1.50K0.00%
Ronald Blue Trust, Inc.7$1.00K0.00%
Accurate Wealth Management, LLC8$7920.00%
Global Retirement Partners, LLC8$7490.00%
Sofos Investments, Inc.94$1350.00%

Sold out (51)

Institutions that held iRhythm Holdings, Inc. at the end of Q3 2022 and filed for Q4 2022 without it.

Institutions that sold out of IRTC in Q4 2022
InstitutionShares, Q3 2022Value, Q3 2022
Sofinnova Investments, Inc.140,095$17.6M
Bridger Management, LLC120,879$15.1M
Vident Investment Advisory, LLC116,919$14.6M
Atika Capital Management LLC109,000$13.7M
William Blair Investment Management, LLC64,132$8.03M
Bank of Montreal44,988$6.97M
Islet Management, LP52,942$6.63M
Pura Vida Investments, LLC47,521$5.95M
Calamos Advisors LLC45,262$5.67M
Lisanti Capital Growth, LLC42,710$5.35M
Castleark Management LLC36,100$4.52M
Nomura Holdings Inc35,246$4.43M
Twinbeech Capital LP25,792$3.23M
Parkman Healthcare Partners LLC25,458$3.19M
State of Tennessee, Treasury Department20,000$2.51M
Empowered Funds, LLC13,402$1.68M
ExodusPoint Capital Management, LP11,940$1.50M
EAM Global Investors LLC10,969$1.37M
Gyon Technologies Capital Management, LP9,843$1.23M
Clough Capital Partners L P9,420$1.18M
ETF Managers Group, LLC7,920$992.0K
EAM Investors, LLC7,333$919.0K
Tudor Investment Corp Et Al6,724$842.0K
Prelude Capital Management, LLC6,397$801.0K
Cna Financial Corp5,890$738.0K
AlphaCrest Capital Management LLC5,419$679.0K
Man Group plc5,006$627.0K
Aquatic Capital Management LLC4,600$576.0K
Caption Management, LLC4,500$563.0K
Conway Capital Management, Inc.4,425$554.4K
Birchview Capital, LP4,000$501.0K
PDT Partners, LLC3,863$484.0K
Level Four Advisory Services, LLC3,556$445.0K
Verition Fund Management LLC3,280$411.0K
Dark Forest Capital Management LP2,714$340.0K
Magnetar Financial LLC2,637$330.0K
Bayesian Capital Management, LP2,600$326.0K
Franklin Resources Inc2,379$298.0K
Fulton Bank, N.A.2,154$269.0K
SeaCrest Wealth Management, LLC1,830$229.0K
Gsa Capital Partners LLP1,794$225.0K
Blueshift Asset Management, LLC1,797$225.0K
First Republic Investment Management, Inc.1,692$212.0K
Xponance, Inc.1,683$211.0K
Bokf, NA1,633$205.0K
Centiva Capital, LP1,580$198.0K
DuPont Capital Management Corp1,573$197.0K
Howe & Rusling Inc300$38.0K
Bogart Wealth, LLC25$3.00K
Moisand Fitzgerald Tamayo, LLC18$2.00K
Allworth Financial LP8$1.00K

Not filed for Q4 2022 yet (5)

Institutions that held iRhythm Holdings, Inc. at the end of Q3 2022 and haven't filed a 13F for Q4 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRTC in Q3 2022 that haven't filed for Q4 2022
InstitutionShares, Q3 2022Value, Q3 2022
Parian Global Management LP22,802$2.86M
Eaton Vance Management14,766$1.85M
Dowling & Yahnke LLC9,085$1.14M
Wipfli Financial Advisors LLC,79$10.0K
Siena Capital LLC1$0