Skip to main content
Livermore
Livermore
ZHEN

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; 303 institutions reported holding it in 13F filings for Q2 2026, worth $4.24B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in iRhythm Holdings, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
303
+3 vs. Q1 2026
Shares held
35.6M
+115.1K (+0.3%) vs. Q1 2026
Total value
$4.24B
+$46.2M (+1.1%) vs. Q1 2026
New holders
44
120 more added
Sold out
41
91 more reduced

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IRTC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 303 institutions
Q1 2021: 217 institutionsQ2 2021: 183 institutionsQ3 2021: 186 institutionsQ4 2021: 213 institutionsQ1 2022: 222 institutionsQ2 2022: 242 institutionsQ3 2022: 233 institutionsQ4 2022: 208 institutionsQ1 2023: 209 institutionsQ2 2023: 203 institutionsQ3 2023: 224 institutionsQ4 2023: 222 institutionsQ1 2024: 253 institutionsQ2 2024: 228 institutionsQ3 2024: 242 institutionsQ4 2024: 227 institutionsQ1 2025: 256 institutionsQ2 2025: 304 institutionsQ3 2025: 338 institutionsQ4 2025: 335 institutionsQ1 2026: 305 institutionsQ2 2026: 303 institutions
Value heldQ2 2026: $4.24B
Q1 2021: $4.33BQ2 2021: $1.93BQ3 2021: $1.64BQ4 2021: $3.43BQ1 2022: $4.78BQ2 2022: $3.28BQ3 2022: $3.81BQ4 2022: $2.92BQ1 2023: $4.18BQ2 2023: $3.47BQ3 2023: $3.12BQ4 2023: $3.53BQ1 2024: $4.00BQ2 2024: $3.82BQ3 2024: $2.55BQ4 2024: $3.09BQ1 2025: $3.77BQ2 2025: $5.44BQ3 2025: $5.97BQ4 2025: $6.24BQ1 2026: $4.19BQ2 2026: $4.24B
Institutions holding IRTC and their total value by quarter
QuarterHoldersValue
Q2 2026303$4.24B
Q1 2026305$4.19B
Q4 2025335$6.24B
Q3 2025338$5.97B
Q2 2025304$5.44B
Q1 2025256$3.77B
Q4 2024227$3.09B
Q3 2024242$2.55B
Q2 2024228$3.82B
Q1 2024253$4.00B
Q4 2023222$3.53B
Q3 2023224$3.12B
Q2 2023203$3.47B
Q1 2023209$4.18B
Q4 2022208$2.92B
Q3 2022233$3.81B
Q2 2022242$3.28B
Q1 2022222$4.78B
Q4 2021213$3.43B
Q3 2021186$1.64B
Q2 2021183$1.93B
Q1 2021217$4.33B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q1 2026.

Institutions holding IRTC in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Inceptionr LLC1,940$230.8K0.06%−3,480−64.2%Reduced
Quadrant Capital Group LLC1,940$230.8K0.01%00.0%Unchanged
Teacher Retirement System of Texas1,970$234.3K0.00%−1,058−34.9%Reduced
Nykredit A/S1,982$235.8K0.00%+1,982New
O'Shaughnessy Asset Management, LLC1,996$237.4K0.00%+150+8.1%Added
State of Alaska, Department of Revenue2,002$238.0K0.00%00.0%Unchanged
Gsa Capital Partners LLP2,033$242.0K0.02%+94+4.8%Added
Vontobel Holding Ltd.2,122$252.4K0.00%+2,122New
Persistent Asset Partners Ltd2,129$253.2K0.08%+2,129New
Cornerstone Investment Partners, LLC2,214$263.4K0.01%+2,214New
Swiss Life Asset Management Ltd2,302$273.8K0.00%+163+7.6%Added
Ensign Peak Advisors, Inc2,443$290.6K0.00%−27,514−91.8%Reduced
Capstone Investment Advisors, LLC2,559$304.4K0.00%+24+0.9%Added
Tower Research Capital LLC (TRC)2,963$352.4K0.01%−37−1.2%Reduced
ADAR1 Capital Management, LLC3,000$356.9K0.02%+3,000New
Ameritas Investment Partners, Inc.3,006$357.6K0.01%+417+16.1%Added
JustInvest LLC3,088$367.3K0.00%+111+3.7%Added
Ancora Advisors, LLC3,230$384.2K0.01%00.0%Unchanged
Vident Advisory, LLC3,260$387.8K0.00%−275−7.8%Reduced
Two Sigma Securities, LLC3,265$388.4K0.03%+564+20.9%Added
Xponance, Inc.3,275$389.6K0.00%+274+9.1%Added
Diversified Trust Co3,362$399.9K0.01%+3,362New
Stephens Inc3,372$401.1K0.00%+287+9.3%Added
Public Employees Retirement Association of Colorado3,405$405.0K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.3,499$416.2K0.00%+2,019+136.4%Added
Harbour Capital Advisors, LLC3,605$418.6K0.08%+3,605New
Hennion & Walsh Asset Management, Inc.3,521$418.8K0.01%−4,382−55.4%Reduced
Mitsubishi UFJ Trust & Banking Corp3,571$424.8K0.00%+3,571New
LPL Financial LLC3,579$425.7K0.00%−106−2.9%Reduced
Great West Life Assurance Co3,803$451.0K0.00%+79+2.1%Added
SG Americas Securities, LLC4,404$524.0K0.00%−1,466−25.0%Reduced
Algert Global LLC4,413$524.9K0.01%−7,040−61.5%Reduced
HSBC Holdings PLC4,473$527.7K0.00%+4,473New
ProShare Advisors LLC4,505$535.9K0.00%−232−4.9%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.4,604$547.6K0.00%+1,806+64.5%Added
Headlands Technologies LLC4,886$581.2K0.06%+305+6.7%Added
Ossiam5,300$630.4K0.01%+5,300New
CIBC Bancorp USA Inc.5,325$633.4K0.00%−452−7.8%Reduced
Quantinno Capital Management LP5,356$637.1K0.00%−13,265−71.2%Reduced
Pictet Asset Management Holding SA5,492$653.3K0.00%00.0%Unchanged
Balyasny Asset Management LLC5,563$661.7K0.00%−188,866−97.1%Reduced
Values First Advisors, Inc.6,110$726.8K0.33%+173+2.9%Added
Landscape Capital Management, L.L.C.6,116$727.5K0.05%−7,510−55.1%Reduced
Voya Investment Management LLC6,278$746.8K0.00%+786+14.3%Added
Jones Financial Companies LLLP6,896$819.9K0.00%+662+10.6%Added
KLP Kapitalforvaltning AS7,100$844.5K0.00%00.0%Unchanged
Pinnacle Financial Partners, Inc.7,149$850.4K0.01%+20+0.3%Added
Cinctive Capital Management LP7,467$888.2K0.04%−490−6.2%Reduced
Captrust Financial Advisors7,801$927.9K0.00%+1,531+24.4%Added
Bridgefront Capital, LLC8,009$952.7K0.25%+3,116+63.7%Added
Virginia Retirement Systems Et Al8,150$969.4K0.01%+3,100+61.4%Added
Exchange Traded Concepts, LLC8,317$989.3K0.00%+1,441+21.0%Added
Fox Run Management, L.L.C.8,401$999.3K0.17%+2,634+45.7%Added
Vanguard Investments Australia, Ltd.8,409$1.00M0.00%+420+5.3%Added
Intech Investment Management LLC8,414$1.00M0.01%−1,691−16.7%Reduced
Allstate Corp8,684$1.03M0.01%−55−0.6%Reduced
Ascent Group, LLC8,771$1.04M0.03%−535−5.7%Reduced
Arizona State Retirement System8,917$1.06M0.01%+67+0.8%Added
Creative Planning9,571$1.14M0.00%−6,270−39.6%Reduced
Police & Firemen's Retirement System of New Jersey9,771$1.16M0.01%+1,122+13.0%Added
State Board of Administration of Florida Retirement System9,957$1.18M0.00%+1,379+16.1%Added
FORA Capital, LLC10,297$1.23M0.08%+10,297New
Capital Fund Management S.A.10,594$1.26M0.01%+10,594New
B. Metzler seel. Sohn & Co. AG11,119$1.32M0.01%00.0%Unchanged
State of New Jersey Common Pension Fund D11,120$1.32M0.00%−3,035−21.4%Reduced
Abn Amro Investment Solutions11,500$1.37M0.01%+1,361+13.4%Added
Los Angeles Capital Management LLC11,742$1.40M0.01%+8,507+263.0%Added
Prudential Financial Inc11,907$1.42M0.00%−5,205−30.4%Reduced
WoodTrust Financial Corp12,020$1.43M0.17%+1,500+14.3%Added
Handelsbanken Fonder AB12,239$1.46M0.00%+1,800+17.2%Added
First Trust Advisors LP12,735$1.51M0.00%−34,854−73.2%Reduced
BNP Paribas Arbitrage, SA12,916$1.54M0.00%−7,077−35.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)12,922$1.54M0.00%+1,534+13.5%Added
Vanguard Global Advisers, LLC12,933$1.54M0.00%−225−1.7%Reduced
Jain Global LLC13,314$1.58M0.02%+13,314New
Universal- Beteiligungs- und Servicegesellschaft mbH13,803$1.64M0.00%−1,626−10.5%Reduced
Jupiter Topco LLC13,856$1.65M0.00%+13,856New
Entropy Technologies, LP14,022$1.67M0.07%+3,370+31.6%Added
Fifth Third Bancorp14,977$1.78M0.00%−475−3.1%Reduced
Royal Bank of Canada15,600$1.85M0.00%+3,869+33.0%Added
Oppenheimer & Co Inc15,900$1.89M0.02%+15,900New
Envestnet Asset Management Inc16,469$1.96M0.00%−15,665−48.7%Reduced
Harbor Capital Advisors, Inc.17,164$2.04M0.14%+1,503+9.6%Added
AQR Capital Management LLC17,681$2.10M0.00%−16,909−48.9%Reduced
Susquehanna International Group, LLP18,015$2.14M0.00%−6,136−25.4%Reduced
Trillium Asset Management, LLC18,437$2.19M0.07%+1,718+10.3%Added
One Capital Management, LLC18,883$2.23M0.06%00.0%Unchanged
MetLife Investment Management19,281$2.29M0.01%+1,858+10.7%Added
HRT Financial LP19,922$2.37M0.00%+18,150+1,024.3%Added
Mutual of America Capital Management LLC20,067$2.39M0.02%−1,030−4.9%Reduced
Future Fund LLC20,078$2.39M0.68%+1,200+6.4%Added
Kampmann Melissa S.21,012$2.50M1.89%−998−4.5%Reduced
Franklin Resources Inc21,053$2.50M0.00%−100,505−82.7%Reduced
Victory Capital Management Inc21,460$2.55M0.00%−712−3.2%Reduced
Banque Pictet & Cie SA21,841$2.60M0.03%−2,974−12.0%Reduced
Campbell & CO Investment Adviser LLC22,024$2.62M0.14%−18,794−46.0%Reduced
Invesco Ltd.22,146$2.63M0.00%−275,306−92.6%Reduced
Assenagon Asset Management S.A.22,161$2.64M0.00%−248,060−91.8%Reduced
XTX Topco Ltd22,619$2.69M0.03%+3,085+15.8%Added
Russell Investments Group, Ltd.22,992$2.73M0.00%+6,909+43.0%Added