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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.

Q3 2021 vs. Q2 2021

How the institutions holding iRhythm Holdings, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of IRTC: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders1832186+5
Shares29.1M125.2K28.1M−874.1K (−3.0%)
Value$1.93B$8.30M$1.64B−$275.8M (−14.4%)

2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (35)

Institutions that held iRhythm Holdings, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to IRTC in Q3 2021
InstitutionSharesValue% of portfolio
Camber Capital Management LP475,000$27.8M1.03%
Eversept Partners, LP113,854$6.67M0.54%
Clough Capital Partners L P89,700$5.25M0.33%
Polar Asset Management Partners Inc.83,700$4.90M0.06%
Federated Hermes, Inc.66,415$3.89M0.01%
Bank of Montreal65,646$3.82M0.00%
Deerfield Management Company, L.P. (Series C)60,271$3.53M0.07%
Parian Global Management LP56,456$3.31M2.37%
Parkman Healthcare Partners LLC32,500$1.90M0.48%
Crestline Management, LP27,680$1.62M0.15%
Cinctive Capital Management LP16,000$937.0K0.05%
Lombard Odier Asset Management (USA) Corp14,000$820.0K0.12%
HRT Financial LP11,190$655.0K0.00%
Gabelli Funds LLC9,200$539.0K0.00%
WoodTrust Financial Corp8,782$514.0K0.12%
SG Americas Securities, LLC8,342$489.0K0.00%
Metropolitan Life Insurance Co8,327$487.6K0.01%
Bradley Mark J.7,325$429.0K0.29%
Fox Run Management, L.L.C.6,835$400.0K0.25%
Quantamental Technologies LLC6,674$391.0K0.26%
Cim Investment Mangement Inc6,632$388.0K0.12%
LPL Financial LLC4,148$243.0K0.00%
Birchview Capital, LP4,000$234.0K0.16%
Algert Global LLC3,419$200.0K0.03%
SG3 Management, LLC2,500$146.0K0.05%
Lazard Asset Management LLC703$41.0K0.00%
Acadian Asset Management LLC676$39.0K0.00%
Parallel Advisors, LLC131$8.00K0.00%
Harbour Investments, Inc.121$7.00K0.00%
Manchester Capital Management LLC127$7.00K0.00%
Fifth Third Bancorp90$5.00K0.00%
Parallax Volatility Advisers, L.P.22$1.00K0.00%
Berman Capital Advisors, LLC18$1.00K0.00%
Bell Investment Advisors, Inc21$1.00K0.00%
Lindbrook Capital, LLC7$00.00%

Sold out (30)

Institutions that held iRhythm Holdings, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Not filed for Q3 2021 yet (2)

Institutions that held iRhythm Holdings, Inc. at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRTC in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
CWM, LLC125,141$8.30M
First Horizon Corp20$1.00K