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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.

13F holders, Q1 2025

Institutional positions in iRhythm Holdings, Inc. as of Mar 31, 2025. 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
256
+32 vs. Q4 2024
Shares held
36.0M
+1.75M (+5.1%) vs. Q4 2024
Total value
$3.77B
+$682.2M (+22.1%) vs. Q4 2024
New holders
54
79 more added
Sold out
22
83 more reduced

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 256 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: 304 institutions
Value heldQ1 2025: $3.77B
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 2026304$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, Q1 2025

Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q4 2024.

Institutions holding IRTC in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
MetLife Investment Management18,550$1.94M0.01%−592−3.1%Reduced
Aquatic Capital Management LLC18,532$1.94M0.05%+14,367+344.9%Added
Kennedy Capital Management, Inc.17,759$1.86M0.04%+17,759New
Intech Investment Management LLC17,484$1.83M0.02%+2,557+17.1%Added
Brevan Howard Capital Management LP17,122$1.79M0.05%+17,122New
State of New Jersey Common Pension Fund D16,273$1.70M0.01%−11,542−41.5%Reduced
Group One Trading, L.P.15,855$1.66M0.07%−4,515−22.2%Reduced
Corebridge Financial, Inc.15,316$1.60M0.01%−227−1.5%Reduced
Granahan Investment Management Inc14,772$1.55M0.08%−30,958−67.7%Reduced
Holocene Advisors, LP14,747$1.54M0.00%−71,106−82.8%Reduced
Janus Henderson Group PLC13,856$1.45M0.00%00.0%Unchanged
UBS Oconnor LLC13,506$1.41M0.03%−5,685−29.6%Reduced
Algert Global LLC13,043$1.37M0.03%−6,600−33.6%Reduced
Handelsbanken Fonder AB12,639$1.32M0.01%+1,800+16.6%Added
Universal- Beteiligungs- und Servicegesellschaft mbH12,421$1.30M0.00%+12,421New
Cim Investment Mangement Inc11,530$1.12M0.26%+5,696+97.6%Added
WoodTrust Financial Corp10,675$1.12M0.16%−382−3.5%Reduced
Balyasny Asset Management LLC10,653$1.12M0.00%−100,849−90.4%Reduced
Ensign Peak Advisors, Inc10,643$1.11M0.00%00.0%Unchanged
Semanteon Capital Management, LP10,311$1.08M0.59%+10,311New
Truist Financial Corp10,128$1.06M0.00%−2,671−20.9%Reduced
State Board of Administration of Florida Retirement System9,087$951.2K0.00%00.0%Unchanged
Abn Amro Investment Solutions9,017$943.9K0.02%+3,778+72.1%Added
Arizona State Retirement System8,959$937.8K0.01%−88−1.0%Reduced
Diversified Trust Co8,944$936.3K0.02%+668+8.1%Added
Zurcher Kantonalbank (Zurich Cantonalbank)8,700$910.7K0.00%+502+6.1%Added
Creative Planning8,542$894.2K0.00%+4,463+109.4%Added
SG Americas Securities, LLC8,427$882.0K0.00%+4,119+95.6%Added
Voya Investment Management LLC8,399$879.2K0.00%−1,008−10.7%Reduced
Ascent Group, LLC8,390$878.3K0.04%+280+3.5%Added
AQR Capital Management LLC8,303$869.2K0.00%+23+0.3%Added
Synovus Financial Corp7,742$810.4K0.01%−1,059−12.0%Reduced
HighTower Advisors, LLC7,598$795.4K0.00%−9−0.1%Reduced
Royal Bank of Canada7,573$793.0K0.00%+6,125+423.0%Added
Steel Peak Wealth Management LLC7,488$783.8K0.03%+7,488New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.7,165$750.0K0.00%−130−1.8%Reduced
ProShare Advisors LLC6,953$727.8K0.00%−2,035−22.6%Reduced
CIBC World Markets Corp6,937$726.2K0.01%+4,012+137.2%Added
Exchange Traded Concepts, LLC6,830$715.0K0.01%−1,783−20.7%Reduced
Police & Firemen's Retirement System of New Jersey6,716$703.0K0.01%00.0%Unchanged
Scientech Research LLC6,505$680.9K0.18%+6,505New
Values First Advisors, Inc.6,203$649.6K0.38%+615+11.0%Added
KLP Kapitalforvaltning AS6,000$628.1K0.00%−600−9.1%Reduced
Natixis6,000$616.8K0.00%00.0%Unchanged
Petrus Trust Company, LTA5,455$571.0K0.05%+5,455New
Pictet Asset Management Holding SA5,122$536.2K0.00%+1,538+42.9%Added
Yarbrough Capital, LLC4,650$486.8K0.02%+4,650New
Teacher Retirement System of Texas4,575$478.9K0.00%+4,575New
HSBC Holdings PLC4,590$474.2K0.00%+138+3.1%Added
Hennion & Walsh Asset Management, Inc.4,458$466.7K0.02%−48−1.1%Reduced
Gsa Capital Partners LLP4,305$451.0K0.04%+1,908+79.6%Added
Bayforest Capital Ltd4,213$441.0K0.19%+2,549+153.2%Added
Captrust Financial Advisors4,172$436.7K0.00%+284+7.3%Added
The PNC Financial Services Group, Inc.4,102$429.4K0.00%−878−17.6%Reduced
Ancora Advisors, LLC4,000$418.7K0.01%00.0%Unchanged
Oppenheimer Asset Management Inc.3,989$417.6K0.01%−1,173−22.7%Reduced
Fox Run Management, L.L.C.3,850$403.0K0.06%+13+0.3%Added
Mariner, LLC3,758$393.4K0.00%+981+35.3%Added
Victory Capital Management Inc3,689$386.2K0.00%−120−3.2%Reduced
CIBC Private Wealth Group, LLC3,944$381.9K0.00%−62−1.5%Reduced
Public Employees Retirement Association of Colorado3,500$366.0K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA3,478$364.1K0.00%−899−20.5%Reduced
IMA Wealth, Inc.3,230$338.1K0.04%00.0%Unchanged
Keybank National Association3,172$332.0K0.00%+3,172New
Ameritas Investment Partners, Inc.3,163$331.1K0.01%−108−3.3%Reduced
Citadel Advisors LLC3,102$324.7K0.00%−299,954−99.0%Reduced
Great West Life Assurance Co3,072$322.0K0.00%00.0%Unchanged
Graham Capital Management, L.P.2,966$310.5K0.01%+143+5.1%Added
Silver Oak Securities, Inc2,863$300.6K0.03%+2,863New
Schonfeld Strategic Advisors LLC2,798$292.9K0.00%−3,340−54.4%Reduced
LPL Financial LLC2,547$266.6K0.00%−144−5.4%Reduced
Caas Capital Management LP2,502$261.9K0.12%+2,502New
XTX Topco Ltd2,462$257.7K0.01%+2,462New
Xponance, Inc.2,390$250.2K0.00%+137+6.1%Added
Vident Advisory, LLC2,352$246.2K0.00%+2,352New
Prudential Financial Inc2,275$238.1K0.00%+2,275New
Pictet & Cie (Europe) SA2,188$229.0K0.01%−1,101−33.5%Reduced
Stephens Inc2,122$222.1K0.00%+2,122New
JustInvest LLC2,117$221.6K0.00%+2,117New
Frank, Rimerman Advisors LLC2,045$214.1K0.02%+2,045New
RiverPark Advisors, LLC2,040$213.5K0.17%+2,040New
SeaCrest Wealth Management, LLC2,030$212.5K0.02%+2,030New
Quadrant Capital Group LLC1,940$203.1K0.01%+1,865+2,486.7%Added
Advisor Group Holdings, Inc.1,530$160.1K0.00%−159−9.4%Reduced
STRS Ohio1,400$146.6K0.00%+1,200+600.0%Added
KBC Group NV1,337$140.0K0.00%+18+1.4%Added
Avanza Fonder AB1,137$123.2K0.00%+1,137New
Amalgamated Bank1,091$114.0K0.00%+4+0.4%Added
Nisa Investment Advisors, LLC1,044$109.3K0.00%+7+0.7%Added
Richards, Merrill & Peterson, Inc.1,025$107.3K0.06%00.0%Unchanged
US Bancorp978$102.4K0.00%+374+61.9%Added
Tower Research Capital LLC (TRC)969$101.4K0.00%−2,627−73.1%Reduced
Raiffeisen Bank International AG680$71.2K0.00%00.0%Unchanged
Bryn Mawr Trust Co600$62.8K0.00%−400−40.0%Reduced
Van Eck Associates Corp554$58.0K0.00%00.0%Unchanged
CWM, LLC517$54.0K0.00%+182+54.3%Added
BI Asset Management Fondsmaeglerselskab A/S476$50.0K0.00%+476New
Canada Pension Plan Investment Board300$31.4K0.00%+300New
Quest Partners LLC283$29.6K0.00%+283New
Federation des caisses Desjardins du Quebec281$29.4K0.00%00.0%Unchanged