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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 2026 vs. Q1 2026

How the institutions holding iRhythm Holdings, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of IRTC: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders3054304+3
Shares35.5M14.7K35.6M+115.4K (+0.3%)
Value$4.19B$1.73M$4.24B+$46.3M (+1.1%)

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (44)

Institutions that held iRhythm Holdings, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to IRTC in Q2 2026
InstitutionSharesValue% of portfolio
Westfield Capital Management Co LP288,924$34.4M0.11%
Norges Bank148,072$17.6M0.00%
USS Investment Management Ltd106,957$12.7M0.05%
Champlain Investment Partners, LLC97,015$11.5M0.30%
Integral Health Asset Management, LLC90,000$10.7M0.44%
PFM Health Sciences, LP65,196$7.76M0.67%
Sectoral Asset Management Inc26,070$3.10M2.16%
Oppenheimer & Co Inc15,900$1.89M0.02%
Jupiter Topco LLC13,856$1.65M0.00%
Jain Global LLC13,314$1.58M0.02%
Capital Fund Management S.A.10,594$1.26M0.01%
FORA Capital, LLC10,297$1.23M0.08%
Ossiam5,300$630.4K0.01%
HSBC Holdings PLC4,473$527.7K0.00%
Mitsubishi UFJ Trust & Banking Corp3,571$424.8K0.00%
Harbour Capital Advisors, LLC3,605$418.6K0.08%
Diversified Trust Co3,362$399.9K0.01%
ADAR1 Capital Management, LLC3,000$356.9K0.02%
Cornerstone Investment Partners, LLC2,214$263.4K0.01%
Persistent Asset Partners Ltd2,129$253.2K0.08%
Vontobel Holding Ltd.2,122$252.4K0.00%
Nykredit A/S1,982$235.8K0.00%
Freestone Grove Partners LP1,351$160.7K0.00%
Corient IA LLC1,340$159.4K0.15%
Tokio Marine Asset Management Co Ltd891$106.0K0.00%
Harbor Investment Advisory, LLC420$50.0K0.00%
Spire Wealth Management419$49.8K0.00%
Caitong International Asset Management Co., Ltd415$49.4K0.01%
Evelyn Partners Group Ltd245$29.1K0.00%
Quantbot Technologies LP229$27.2K0.00%
Graticule Asia Macro Advisors LLC189$22.5K0.00%
Walleye Capital LLC92$10.9K0.00%
Quarry LP69$8.21K0.00%
Clearstead Advisors, LLC36$4.28K0.00%
SJS Investment Consulting Inc.31$3.69K0.00%
Sims Investment Management, LLC20$2.38K0.00%
Action Point Financial Planning, LLC14$1.43K0.00%
Spectrum Wealth Advisory Group, LLC9$1.07K0.00%
Quaker Wealth Management, LLC5$5950.00%
Global Retirement Partners, LLC4$4760.00%
Toronto Dominion Bank2$2380.00%
Principia Wealth Advisory, LLC2$2380.00%
Concord Wealth Partners1$1190.00%
Transamerica Financial Advisors, Inc.1$1180.00%

Sold out (41)

Institutions that held iRhythm Holdings, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of IRTC in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Mackenzie Financial Corp371,475$43.8M
M&G Plc85,062$10.0M
Thrivent Financial for Lutherans75,162$8.87M
Two Sigma Investments, LP52,600$6.21M
Jump Financial, LLC44,984$5.31M
Hillsdale Investment Management Inc.34,950$4.12M
KCM Capital Inc30,000$3.54M
Hussman Strategic Advisors, Inc.29,400$3.47M
Castleark Management LLC27,193$3.21M
Congress Asset Management Co16,461$1.94M
CI Private Wealth, LLC15,344$1.81M
RE Advisers Corp13,300$1.57M
Adage Capital Partners GP, L.L.C.8,289$978.3K
Morris Retirement Advisors, LLC3,210$378.9K
Blueshift Asset Management, LLC3,063$361.5K
Truist Financial Corp2,709$319.7K
Vise Technologies, Inc.1,727$306.4K
Everence Capital Management Inc2,590$306.0K
Acadian Asset Management LLC2,407$284.0K
Virtus ETF Advisers LLC2,201$259.8K
Axq Capital, LP2,172$256.3K
Frank, Rimerman Advisors LLC2,045$241.4K
Allianz Asset Management GmbH1,900$224.2K
Keybank National Association1,847$218.0K
Oppenheimer Asset Management Inc.1,833$216.3K
SeaCrest Wealth Management, LLC1,830$216.0K
DRW Securities, LLC1,755$207.1K
Van Eck Associates Corp1,407$166.0K
Walleye Trading LLC821$96.9K
Antipodes Partners Ltd655$77.3K
LMR Partners LLP463$54.6K
Root Financial Partners, LLC182$21.5K
Northwestern Mutual Wealth Management Co72$8.50K
Elequin Capital LP25$2.95K
MAI Capital Management18$2.13K
First Horizon Corp14$1.65K
Twin Peaks Wealth Advisors, LLC8$944
Central Trust Co4$473
UMA Financial Services, Inc.4$473
Godfrey Financial Associates, Inc.3$354
Ronald Blue Trust, Inc.2$236

Not filed for Q2 2026 yet (4)

Institutions that held iRhythm Holdings, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRTC in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Janus Henderson Group PLC13,856$1.64M
CWM, LLC576$68.0K
Evelyn Partners Investment Management LLP245$28.9K
Sunbelt Securities, Inc.2$236