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Irhythm Holdings Inc (IRTC)

CUSIP: 450056106 | NYSE | Healthcare · Medical Devices | Mid Cap | 865 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/AMillennium Management LLC349,0871.1%Newly reportedSep 30, 2026No 13F filer matched
13GArtisan Partners Asset Management Inc.1,660,3075.1%New 5%+ stakeJun 30, 2026No 13F filer matched
13G/AMillennium Management LLC349,087
1.1% of class · Sep 30, 2026Newly reported
No 13F filer matched
13GArtisan Partners Asset Management Inc.1,660,307
5.1% of class · Jun 30, 2026New 5%+ stake
No 13F filer matched

Institutional Holders — Q3 2026

Allspring Global Investments Holdings, LLC269,894
0.0% of portfolio›$30.0M
Citigroup Inc237,058
0.0% of portfolio›$26.9M
TimesSquare Capital Management, LLC147,596
0.3% of portfolio›$16.8M
Bank of New York Mellon Corp125,791
0.0% of portfolio›$14.3M
M&G Plc121,972
0.1% of portfolio›$13.9M
C WorldWide Group Holding A/S80,000
0.6% of portfolio›$9.1M
Knights of Columbus Asset Advisors LLC21,099
0.1% of portfolio›$2.4M
Kampmann Melissa S.20,872
1.8% of portfolio›$2.4M
Assenagon Asset Management S.A.20,726
0.0% of portfolio›$2.4M
Mutual of America Capital Management LLC19,778
0.0% of portfolio›$2.2M
Creative Planning19,063
0.0% of portfolio›$2.2M
Banque Pictet & CIE SA18,602
0.0% of portfolio›$2.1M
ABN Amro Investment Solutions16,045
0.0% of portfolio›$1.8M
Oppenheimer & Co Inc15,954
0.0% of portfolio›$1.8M
Y-Intercept (Hong Kong) Ltd13,775
0.0% of portfolio›$1.6M
WoodTrust Financial Corp12,020
0.0% of portfolio›$1.4K
State of New Jersey Common Pension Fund D11,120
0.0% of portfolio›$1.3M
B. Metzler seel. Sohn & Co. AG11,119
0.0% of portfolio›$1.3M
Exchange Traded Concepts, LLC9,711
0.0% of portfolio›$1.1M
Arizona State Retirement System9,258
0.0% of portfolio›$1.1M
Values First Advisors, Inc.7,428
0.4% of portfolio›$844.3K
Pictet Asset Management Holding SA5,211
0.0% of portfolio›$592.3K
Virginia Retirement Systems ET Al4,950
0.0% of portfolio›$562.6K
ProShare Advisors LLC4,326
0.0% of portfolio›$491.7K
Mitsubishi UFJ Asset Management Co., Ltd.4,194
0.0% of portfolio›$476.7K
Harbor Capital Advisors, Inc.4,034
0.1% of portfolio›$459.0K
Atria Investments, Inc3,914
0.0% of portfolio›$444.9K
Ascent Group, LLC3,864
0.0% of portfolio›$439.2K
Principal Financial Group Inc3,822
0.0% of portfolio›$434.4K
Hennion & Walsh Asset Management, Inc.3,520
0.0% of portfolio›$400.1K
Xponance LLC3,174
0.0% of portfolio›$360.8K
Fulcrum Asset Management LLP2,806
0.0% of portfolio›$320.5K
Swiss Life Asset Management Ltd2,448
0.0% of portfolio›$278.2K
Pinnacle Wealth Planning Services, Inc.2,312
0.0% of portfolio›$262.8K
Oppenheimer Asset Management Inc.2,268
0.0% of portfolio›$257.8K
Abel Hall, LLC2,251
0.0% of portfolio›$255.8K
Vontobel Holding Ltd.2,158
0.0% of portfolio›$245.3K
China Universal Asset Management Co., Ltd.1,960
0.0% of portfolio›$223.9K
Quadrant Capital Group LLC1,940
0.0% of portfolio›$209.0K
Vise Technologies, Inc.1,832
0.0% of portfolio›$208.2K
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna1,800
0.1% of portfolio›$204.6K
State of Alaska, Department of Revenue1,665
0.0% of portfolio›$189
Strs Ohio1,600
0.0% of portfolio›$181.9K
KBC Group NV1,238
0.0% of portfolio›$141.0K
Sterling Capital Management LLC1,093
0.0% of portfolio›$124.2K
Assetmark, Inc1,021
0.0% of portfolio›$116.0K
Nisa Investment Advisors, LLC1,002
0.0% of portfolio›$113.9K
DekaBank Deutsche Girozentrale759
0.0% of portfolio›$86.0K
Harbor Investment Advisory, LLC623
0.0% of portfolio›$70.8K
Meriwether Wealth & Planning, LLC550
0.0% of portfolio›$62.5K
Covestor Ltd417
0.1% of portfolio›$47.0K
Simplex Trading, LLC369
0.0% of portfolio›$41.9K
EverSource Wealth Advisors, LLC296
0.0% of portfolio›$33.6K
Versant Capital Management, Inc221
0.0% of portfolio›$25.1K
Gamma Investing LLC195
0.0% of portfolio›$22.2K
Root Financial Partners, LLC176
0.0% of portfolio›$20.0K
North Star Investment Management Corp.170
0.0% of portfolio›$19.3K
Farther Finance Advisors, LLC152
0.0% of portfolio›$17.3K
Signaturefd, LLC150
0.0% of portfolio›$17.0K
Parkside Financial Bank & Trust104
0.0% of portfolio›$11.8K
Larson Financial Group LLC87
0.0% of portfolio›$9.9K
Toth Financial Advisory Corp85
0.0% of portfolio›$9.7K
First Horizon Corp77
0.0% of portfolio›$8.8K
TD Waterhouse Canada Inc.48
0.0% of portfolio›$5.3K
Torren Management, LLC47
0.0% of portfolio›$5.3K
WPG Advisers, LLC43
0.0% of portfolio›$4.9K
SJS Investment Consulting Inc.42
0.0% of portfolio›$4.8K
Ascentis Independent Advisors33
0.0% of portfolio›$3.8K
Parallel Advisors, LLC32
0.0% of portfolio›$3.6K
Bare Financial Services, Inc28
0.0% of portfolio›$3.2K
MassMutual Private Wealth & Trust, FSB26
0.0% of portfolio›$3.0K
Ares Financial Consulting, LLC25
0.0% of portfolio›$2.8K
Manchester Capital Management LLC23
0.0% of portfolio›$2.6K
Elyxium Wealth, LLC18
0.0% of portfolio›$2.0K
Rossby Financial, LCC17
0.0% of portfolio›$1.9K
Bell Investment Advisors, Inc13
0.0% of portfolio›$1.5K
Leonteq Securities AG10
0.0% of portfolio›$1.1K
Private Trust Co NA10
0.0% of portfolio›$1.1K
SBI Securities Co., Ltd.10
0.0% of portfolio›$1.1K
Private Wealth Management Group, LLC7
0.0% of portfolio›$796
Financial Perspectives, Inc7
0.0% of portfolio›$796
Armstrong Advisory Group, Inc7
0.0% of portfolio›$796
Montag A & Associates Inc6
0.0% of portfolio›$642
Essential Partners LLC6
0.0% of portfolio›$682
Ascentis Wealth Management, LLC5
0.0% of portfolio›$568
MV Capital Management, Inc.5
0.0% of portfolio›$569
Quaker Wealth Management, LLC5
0.0% of portfolio›$569
IFP Advisors, Inc4
0.0% of portfolio›$455
JFS Wealth Advisors, LLC3
0.0% of portfolio›$341
Dhjj Financial Advisors, Ltd.2
0.0% of portfolio›$228
Hughes Financial Services, LLC2
0.0% of portfolio›$256
Rakuten Securities, Inc.1
0.0% of portfolio›$114
Concord Wealth Partners1
0.0% of portfolio›$114
American Capital Advisory, LLC1
0.0% of portfolio›$114
TFC Financial Management, Inc.1
0.0% of portfolio›$114
Activest Wealth Management1
0.0% of portfolio›$114
TD Private Client Wealth LLC1
0.0% of portfolio›$114
Signature Equity Partners, LLC1
0.0% of portfolio›$114
StyleTurnoverLocationFiled
Allspring Global Investments Holdings, LLC
269,894$30.0M0.0%CoreMediumCharlotte, NC2026-11-04
Citigroup Inc
237,058$26.9M0.0%CoreMediumNew York, NY2026-11-04
TimesSquare Capital Management, LLC
147,596$16.8M0.3%GrowthMediumNew York, NY2026-11-03
Bank of New York Mellon Corp
125,791$14.3M0.0%CoreLowNew York, NY2026-11-05
M&G Plc
121,972$13.9M0.1%CoreMediumLondon, United Kingdom2026-11-04
C WorldWide Group Holding A/S
80,000$9.1M0.6%CoreLowCopenhagen, Greece2026-11-04
Knights of Columbus Asset Advisors LLC
21,099$2.4M0.1%CoreMediumNew Haven, CT2026-11-05
Kampmann Melissa S.
20,872$2.4M1.8%GrowthLowWausau, WI2026-10-28
Assenagon Asset Management S.A.
20,726$2.4M0.0%GrowthHighSenningerberg, Netherlands2026-10-15
Mutual of America Capital Management LLC
19,778$2.2M0.0%IndexLowNew York, NY2026-10-23
Creative Planning
19,063$2.2M0.0%IndexVery LowOverland Park, KS2026-11-02
Banque Pictet & CIE SA
18,602$2.1M0.0%CoreMediumGeneva 73, Switzerland2026-10-16
ABN Amro Investment Solutions
16,045$1.8M0.0%GrowthLowParis Cedex 008, India2026-10-21
Oppenheimer & Co Inc
15,954$1.8M0.0%CoreLowNew York, NY2026-10-26
Y-Intercept (Hong Kong) Ltd
13,775$1.6M0.0%ValueVery HighHong Kong, South Korea2026-10-16
WoodTrust Financial Corp
12,020$1.4K0.0%CoreLowWisconsin Rapids, WI2026-10-09
State of New Jersey Common Pension Fund D
11,120$1.3M0.0%CoreLowTrenton, NJ2026-11-05
B. Metzler seel. Sohn & Co. AG
11,119$1.3M0.0%GrowthMediumFrankfurt, Hong Kong2026-10-30
Exchange Traded Concepts, LLC
9,711$1.1M0.0%GrowthMediumOklahoma City, OK2026-10-28
Arizona State Retirement System
9,258$1.1M0.0%IndexVery LowPhoenix, AZ2026-11-03
Values First Advisors, Inc.
7,428$844.3K0.4%CoreMediumJohnson City, TN2026-10-23
Pictet Asset Management Holding SA
5,211$592.3K0.0%GrowthMediumCarouge, Switzerland2026-11-03
Virginia Retirement Systems ET Al
4,950$562.6K0.0%CoreMediumRichmond, VA2026-10-28
ProShare Advisors LLC
4,326$491.7K0.0%GrowthLowBethesda, MD2026-10-29
Mitsubishi UFJ Asset Management Co., Ltd.
4,194$476.7K0.0%IndexVery LowTokyo, Mexico2026-11-05
Harbor Capital Advisors, Inc.
4,034$459.0K0.1%ValueHighChicago, IL2026-10-22
Atria Investments, Inc
3,914$444.9K0.0%CoreMediumCharlotte, NC2026-10-15
Ascent Group, LLC
3,864$439.2K0.0%CoreLowVirginia Beach, VA2026-10-30
Principal Financial Group Inc
3,822$434.4K0.0%CoreLowDes Moines, IA2026-11-02
Hennion & Walsh Asset Management, Inc.
3,520$400.1K0.0%ValueMediumParsippany, NJ2026-10-13
Xponance LLC
3,174$360.8K0.0%IndexVery LowPhiladelphia, PA2026-11-03
Fulcrum Asset Management LLP
2,806$320.5K0.0%CoreMediumLondon, United Kingdom2026-11-04
Swiss Life Asset Management Ltd
2,448$278.2K0.0%CoreLowZurich, Switzerland2026-11-03
Pinnacle Wealth Planning Services, Inc.
2,312$262.8K0.0%GARPLowMansfield, OH2026-10-27
Oppenheimer Asset Management Inc.
2,268$257.8K0.0%CoreMediumNew York, NY2026-10-27
Abel Hall, LLC
2,251$255.8K0.0%CoreMediumBaton Rouge, LA2026-10-19
Vontobel Holding Ltd.
2,158$245.3K0.0%CoreMediumZurich, Switzerland2026-10-16
China Universal Asset Management Co., Ltd.
1,960$223.9K0.0%GrowthMediumShanghai, France2026-10-28
Quadrant Capital Group LLC
1,940$209.0K0.0%CoreLowCincinnati, OH2026-10-20
Vise Technologies, Inc.
1,832$208.2K0.0%IndexLowNew York, NY2026-10-29
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna
1,800$204.6K0.1%GrowthMediumWarsaw, Russia2026-10-21
State of Alaska, Department of Revenue
1,665$1890.0%CoreVery LowJuneau, AK2026-10-15
Strs Ohio
1,600$181.9K0.0%CoreMediumColumbus, OH2026-10-30
KBC Group NV
1,238$141.0K0.0%CoreMediumBrussels, Czech Republic2026-10-22
Sterling Capital Management LLC
1,093$124.2K0.0%GARPMediumCharlotte, NC2026-10-22
Assetmark, Inc
1,021$116.0K0.0%ETFLowConcord, CA2026-10-21
Nisa Investment Advisors, LLC
1,002$113.9K0.0%IndexVery LowSt. Louis, MO2026-10-20
DekaBank Deutsche Girozentrale
759$86.0K0.0%CoreLowFrankfurt, Hong Kong2026-10-27
Harbor Investment Advisory, LLC
623$70.8K0.0%GrowthLowLutherville, MD2026-10-13
Meriwether Wealth & Planning, LLC
550$62.5K0.0%ETFMediumMinden, LA2026-10-13
Covestor Ltd
417$47.0K0.1%ValueHighLondon, United Kingdom2026-10-30
Simplex Trading, LLC
369$41.9K0.0%CoreVery HighChicago, IL2026-11-04
EverSource Wealth Advisors, LLC
296$33.6K0.0%CoreMediumBirmingham, AL2026-11-04
Versant Capital Management, Inc
221$25.1K0.0%GARPLowPhoenix, AZ2026-10-02
Gamma Investing LLC
195$22.2K0.0%IndexVery LowFoster City, CA2026-10-08
Root Financial Partners, LLC
176$20.0K0.0%ETFMediumEncinitas, CA2026-10-21
North Star Investment Management Corp.
170$19.3K0.0%CoreLowChicago, IL2026-10-27
Farther Finance Advisors, LLC
152$17.3K0.0%IndexLowSan Francisco, CA2026-10-08
Signaturefd, LLC
150$17.0K0.0%IndexLowAtlanta, GA2026-10-23
Parkside Financial Bank & Trust
104$11.8K0.0%CoreVery LowSaint Louis, MO2026-10-27
Larson Financial Group LLC
87$9.9K0.0%GrowthLowSt Louis, MO2026-11-05
Toth Financial Advisory Corp
85$9.7K0.0%CoreLowLeesburg, VA2026-10-08
First Horizon Corp
77$8.8K0.0%CoreLowMemphis, TN2026-10-26
TD Waterhouse Canada Inc.
48$5.3K0.0%CoreLowToronto, Australia2026-10-16
Torren Management, LLC
47$5.3K0.0%ETFMediumSan Diego, CA2026-10-29
WPG Advisers, LLC
43$4.9K0.0%CoreLowBaltimore, MD2026-10-27
SJS Investment Consulting Inc.
42$4.8K0.0%ETFVery LowSylvania, OH2026-10-26
Ascentis Independent Advisors
33$3.8K0.0%ETFLowDallas, TX2026-11-03
Parallel Advisors, LLC
32$3.6K0.0%IndexLowSan Francisco, CA2026-11-03
Bare Financial Services, Inc
28$3.2K0.0%ETFVery LowGap, PA2026-11-04
MassMutual Private Wealth & Trust, FSB
26$3.0K0.0%CoreLowSpringfield, MA2026-10-05
Ares Financial Consulting, LLC
25$2.8K0.0%CoreLowCalabasas, CA2026-10-19
Manchester Capital Management LLC
23$2.6K0.0%CoreLowManchester, VT2026-10-22
Elyxium Wealth, LLC
18$2.0K0.0%GrowthVery LowBeverly Hills, CA2026-10-27
Rossby Financial, LCC
17$1.9K0.0%ETFMediumMelbourne, FL2026-11-05
Bell Investment Advisors, Inc
13$1.5K0.0%ETFVery LowOrinda, CA2026-10-29
Leonteq Securities AG
10$1.1K0.0%CoreHighZurich, Switzerland2026-10-29
Private Trust Co NA
10$1.1K0.0%CoreLowCleveland, OH2026-10-20
SBI Securities Co., Ltd.
10$1.1K0.0%Agg GrowthLowTokyo, Mexico2026-10-22
Private Wealth Management Group, LLC
7$7960.0%ETFLowPrinceton, NJ2026-10-19
Financial Perspectives, Inc
7$7960.0%GrowthVery LowMinneapolis, MN2026-11-03
Armstrong Advisory Group, Inc
7$7960.0%ETFHighNeedham, MA2026-10-09
Montag A & Associates Inc
6$6420.0%CoreLowAtlanta, GA2026-10-29
Essential Partners LLC
6$6820.0%ValueMediumRancho Santa Fe, CA2026-10-14
Ascentis Wealth Management, LLC
5$5680.0%Agg GrowthLowDallas, TX2026-11-03
MV Capital Management, Inc.
5$5690.0%ETFLowBethesda, MD2026-10-29
Quaker Wealth Management, LLC
5$5690.0%ETFMediumMoorestown, NJ2026-10-22
IFP Advisors, Inc
4$4550.0%GrowthLowTampa, FL2026-10-16
JFS Wealth Advisors, LLC
3$3410.0%ETFVery LowHermitage, PA2026-11-03
Dhjj Financial Advisors, Ltd.
2$2280.0%ETFVery LowNaperville, IL2026-10-23
Hughes Financial Services, LLC
2$2560.0%ETFLowHerndon, VA2026-10-30
Rakuten Securities, Inc.
1$1140.0%Agg GrowthHighTokyo, Mexico2026-11-02
Concord Wealth Partners
1$1140.0%GrowthLowAbingdon, VA2026-11-02
American Capital Advisory, LLC
1$1140.0%ETFLowKetchum, ID2026-10-28
TFC Financial Management, Inc.
1$1140.0%ETFVery LowBoston, MA2026-10-26
Activest Wealth Management
1$1140.0%ETFLowAventura, FL2026-10-15
TD Private Client Wealth LLC
1$1140.0%ETFLowNew York, NY2026-10-28
Signature Equity Partners, LLC
1$1140.0%GrowthMediumColumbus, OH2026-10-29