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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.

Q2 2021 vs. Q1 2021

How the institutions holding iRhythm Holdings, Inc. changed between Q1 2021 and Q2 2021.

All holders in Q2 2021All holders in Q1 2021

13F holders of IRTC: Q1 2021 compared with Q2 2021
MeasureQ1 2021Of which not filed for Q2 2021Q2 2021Change
Holders2171183−33
Shares31.3M2.50K29.1M−2.20M (−7.0%)
Value$4.33B$347.0K$1.93B−$2.40B (−55.4%)

1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (27)

Institutions that held iRhythm Holdings, Inc. at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to IRTC in Q2 2021
InstitutionSharesValue% of portfolio
Mackenzie Financial Corp1,813,353$120.3M0.17%
Point72 Asset Management, L.P.321,211$21.3M0.11%
Pura Vida Investments, LLC140,000$9.29M0.66%
Two Sigma Advisers, LP61,600$4.09M0.01%
Integral Health Asset Management, LLC50,000$3.32M0.91%
Duality Advisers, LP46,548$3.09M0.27%
Bridgewater Associates, LP30,214$2.00M0.01%
Occudo Quantitative Strategies LP24,661$1.64M0.25%
Prosight Management, LP20,200$1.34M0.85%
ExodusPoint Capital Management, LP19,584$1.30M0.02%
Sante Capital Fund, LP15,221$1.01M0.42%
Altium Capital Management LP15,206$1.01M0.23%
Walleye Capital LLC14,071$934.0K0.03%
Panagora Asset Management Inc10,242$680.0K0.00%
Wolverine Trading, LLC10,129$659.0K0.02%
Paloma Partners Management Co6,774$449.0K0.01%
Walleye Trading LLC3,754$249.0K0.01%
Versor Investments LP3,596$239.0K0.01%
Amundi2,255$150.0K0.00%
New York Life Investments Alternatives1,588$105.0K0.07%
Point72 Hong Kong Ltd183$12.0K0.00%
Quadrant Capital Group LLC153$10.0K0.00%
NEXT Financial Group, Inc40$3.00K0.00%
Brewin Dolphin Ltd35$2.32K0.00%
Evoke Wealth, LLC16$1.00K0.00%
Federation des caisses Desjardins du Quebec15$9950.00%
Advisory Services Network, LLC3$00.00%

Sold out (60)

Institutions that held iRhythm Holdings, Inc. at the end of Q1 2021 and filed for Q2 2021 without it.

Institutions that sold out of IRTC in Q2 2021
InstitutionShares, Q1 2021Value, Q1 2021
Brown Capital Management LLC2,706,663$375.8M
Artisan Partners Limited Partnership776,301$107.8M
Clearbridge Investments, LLC369,050$51.2M
Allianz Asset Management GmbH111,945$15.5M
Bellevue Group AG87,631$12.2M
Alyeska Investment Group, L.P.85,670$11.9M
Federated Hermes, Inc.52,000$7.22M
Compagnie Lombard Odier SCmA50,181$6.97M
Thrivent Financial for Lutherans47,988$6.66M
Ensign Peak Advisors, Inc41,919$5.82M
Motley Fool Asset Management LLC30,404$4.22M
Marshall Wace, LLP30,306$4.21M
First Trust Advisors LP16,899$2.35M
Jefferies Group LLC14,319$1.99M
NN Investment Partners Holdings N.V.10,600$1.47M
Connor, Clark & Lunn Investment Management Ltd.10,266$1.43M
Caption Management, LLC9,500$1.32M
Neuberger Berman Group LLC8,688$1.17M
Banque Pictet & Cie SA8,181$1.14M
Metropolitan Life Insurance Co7,762$1.08M
Weiss Multi-Strategy Advisers LLC6,782$942.0K
Sumitomo Mitsui Trust Holdings, Inc.6,530$907.0K
Nomura Holdings Inc6,500$904.0K
Lazard Asset Management LLC6,360$883.0K
Tudor Investment Corp Et Al5,493$763.0K
Bank of Montreal5,138$691.0K
Conway Capital Management, Inc.4,550$631.8K
Cna Financial Corp4,520$628.0K
Ergoteles LLC4,500$625.0K
Trexquant Investment LP4,283$595.0K
Great Lakes Advisors, LLC4,260$592.0K
GWM Advisors LLC4,085$567.0K
Raymond James & Associates4,054$563.0K
Mackay Shields LLC3,800$528.0K
Pictet & Cie (Europe) SA2,963$411.0K
Virginia Retirement Systems Et Al2,900$403.0K
SG Americas Securities, LLC2,749$382.0K
Prudential Financial Inc2,332$324.0K
Pictet Asset Management Ltd2,000$278.0K
American Century Companies Inc1,992$277.0K
Illinois Municipal Retirement Fund1,985$276.0K
XTX Topco Ltd1,949$271.0K
Cerity Partners LLC1,921$267.0K
STRS Ohio1,800$249.0K
Polar Capital Holdings Plc1,615$224.0K
Gabelli Funds LLC1,600$222.0K
Bluestein R H & Co1,500$208.0K
1623 Capital LLC1,391$193.0K
First Mercantile Trust Co304$42.0K
Parallel Advisors, LLC93$13.0K
Sowell Financial Services LLC70$5.00K
Berman Capital Advisors, LLC40$5.00K
Spire Wealth Management33$5.00K
Fifth Third Bancorp25$3.00K
Ameritas Investment Company, LLC17$2.36K
Wealthcare Advisory Partners LLC15$2.00K
Bellevue Asset Management, LLC12$2.00K
International Assets Investment Management, LLC6$1.00K
TD Private Client Wealth LLC3$417
Enterprise Financial Services Corp3$0

Not filed for Q2 2021 yet (1)

Institutions that held iRhythm Holdings, Inc. at the end of Q1 2021 and haven't filed a 13F for Q2 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRTC in Q1 2021 that haven't filed for Q2 2021
InstitutionShares, Q1 2021Value, Q1 2021
Amundi Asset Management US, Inc.2,500$347.0K