13F

Stock

Irhythm Technologies Inc

Ticker not mapped · held by 334 managers

Reported value

$5.91B

Holders

334

+1 new · −1 exited

Holders’ est. mark

$3.84M

Price effect on 6 books still in the name

Largest holder

$587.4M

Vanguard

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Vanguard3.31M$587.4MHeld
BlackRock, Inc.2.81M$499.3MHeld
SANDS CAPITAL MANAGEMENT, LLC1.7M$301.6MHeld
Artisan Partners Limited Partnership1.51M$268.3MHeld
Capital Research Global Investors1.18M$210.2MHeld
RTW INVESTMENTS, LP1.18M$209.7MHeld
GEODE CAPITAL MANAGEMENT, LLC858.4K$152.3MHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC829.9K$147.3MHeld
MILLENNIUM MANAGEMENT LLC826.4K$146.6MHeld
State Street764.8K$135.7MHeld
JPMORGAN CHASE & CO758.6K$134.6MHeld
BLAIR WILLIAM & CO/IL718.8K$127.5MHeld
EVENTIDE ASSET MANAGEMENT, LLC692.5K$122.9MHeld
Holocene Advisors, LP683.6K$121.3MHeld
FULLER & THALER ASSET MANAGEMENT, INC.639.4K$113.5MHeld
Fidelity628.8K$111.6MHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP607K$107.7MHeld
Stephens Investment Management Group LLC519.3K$92.1MHeld
Invesco Ltd.498.4K$88.4MHeld
WELLINGTON MANAGEMENT GROUP LLP408.3K$72.4MHeld
Allspring Global Investments Holdings, LLC407.4K$71.4MHeld
LOOMIS SAYLES & CO L P392.1K$69.6MHeld
D. E. Shaw & Co., Inc.360.7K$64MHeld
BANK OF AMERICA CORP /DE/354.8K$63M$1.93MCut−$1.68M
MACKENZIE FINANCIAL CORP347.3K$61.9MHeld
GOLDMAN SACHS GROUP INC329.1K$58.4MHeld
WESTFIELD CAPITAL MANAGEMENT CO LP325.1K$57.7MHeld
FRED ALGER MANAGEMENT, LLC310.6K$55.1MHeld
Polar Capital Holdings Plc308.1K$54.7MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC286.1K$50.8MHeld
NORTHERN TRUST CORP279.1K$49.5MHeld
Driehaus Capital Management LLC268K$47.5MHeld
Rock Springs Capital Management LP235K$41.7MHeld
Assenagon Asset Management S.A.225.2K$40MHeld
Point72 Asset Management, L.P.219.5K$38.9MHeld
BRAIDWELL LP217.3K$38.6MHeld
SEI INVESTMENTS CO203.4K$36.1MHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE196.1K$34.8MHeld
BARCLAYS PLC194K$34.4M$1.02MAdded$2.3M
JANE STREET GROUP, LLC192.4K$34.1MHeld
CITIGROUP INC190.3K$33.8MHeld
DEUTSCHE BANK AG\187.7K$33.3MHeld
NEXT CENTURY GROWTH INVESTORS LLC172.8K$30.7MHeld
MORGAN STANLEY170K$30.2M$843.9KAdded$3.53M
Balyasny Asset Management L.P.167.3K$29.7MHeld
SCHRODER INVESTMENT MANAGEMENT GROUP162.1K$28.9MHeld
RAYMOND JAMES FINANCIAL INC153.8K$27.4MHeld
First Light Asset Management, LLC153.9K$27.3MHeld
UBS Group AG153.2K$27.2MHeld
MASSACHUSETTS FINANCIAL SERVICES CO /MA/150.3K$26.7MHeld
Qube Research & Technologies Ltd144.6K$25.7MHeld
JENNISON ASSOCIATES LLC139.1K$24.7MHeld
Nuveen, LLC133.7K$23.7MHeld
Integral Health Asset Management, LLC130K$23.1MHeld
NEW YORK STATE COMMON RETIREMENT FUND129.7K$23MHeld
Ophir Asset Management Pty Ltd127.7K$22.7MHeld
Walleye Capital LLC127.6K$22.6MHeld
ADAGE CAPITAL PARTNERS GP, L.L.C.125K$22.2MHeld
AMERIPRISE FINANCIAL INC123.6K$21.9MHeld
OBERWEIS ASSET MANAGEMENT INC/119.7K$21.2MHeld
FRANKLIN RESOURCES INC118.6K$21MHeld
Bank of New York Mellon Corp112.1K$19.9MHeld
SEGALL BRYANT & HAMILL, LLC111.7K$19.8MHeld
PERCEPTIVE ADVISORS LLC108K$19.2MHeld
FEDERATED HERMES, INC.106.4K$18.9MHeld
Renaissance Technologies103.9K$18.4MHeld
Squarepoint Ops LLC93.7K$16.6MHeld
M&G PLC84.1K$14.9MHeld
Trexquant Investment LP78.7K$14MHeld
Engineers Gate Manager LP77.1K$13.7MHeld
WCM INVESTMENT MANAGEMENT, LLC73.3K$13.1MHeld
BNP PARIBAS FINANCIAL MARKETS73.7K$13.1MHeld
FRONTIER CAPITAL MANAGEMENT CO LLC71K$12.6MHeld
PRINCIPAL FINANCIAL GROUP INC69.4K$12.3MHeld
Swiss National Bank63.4K$11.2MHeld
Freestone Grove Partners LP63.1K$11.2MHeld
FIRST TRUST ADVISORS LP60.8K$10.8MHeld
TimesSquare Capital Management, LLC59.8K$10.6MHeld
PEREGRINE CAPITAL MANAGEMENT LLC56.9K$10.1MHeld
NORGES BANK56.2K$9.98MNew
Man Group plc56.2K$9.97MHeld
Jain Global LLC54.8K$9.73MHeld
Legal & General Group Plc52.1K$9.24MHeld
STATE OF WISCONSIN INVESTMENT BOARD51.2K$9.08MHeld
CASTLEARK MANAGEMENT LLC50.2K$8.91MHeld
SILVERCREST ASSET MANAGEMENT GROUP LLC47.9K$8.5MHeld
WELLS FARGO & COMPANY/MN45.3K$8.04MHeld
VICTORY CAPITAL MANAGEMENT INC43.2K$7.67MHeld
Connor, Clark & Lunn Investment Management Ltd.42.1K$7.47MHeld
STEADFAST CAPITAL MANAGEMENT LP41K$7.28MHeld
RHUMBLINE ADVISERS40.6K$7.21MHeld
PRUDENTIAL FINANCIAL INC40.4K$7.17MHeld
Icahn Capital40.2K$7.13MHeld
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.39.7K$7.05MHeld
Universal- Beteiligungs- und Servicegesellschaft mbH38.5K$6.84MHeld
Atle Fund Management AB37.6K$6.67MHeld
ALLIANCEBERNSTEIN L.P.37.5K$6.65MHeld
Informed Momentum Co LLC37.1K$6.58MHeld
KCM Capital Inc37K$6.57MHeld
Hillsdale Investment Management Inc.34K$6.04MHeld
Ensign Peak Advisors, Inc33.9K$6.02MHeld
Amundi33.4K$5.93MHeld
NEUBERGER BERMAN GROUP LLC31.2K$5.54MHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM30.6K$5.42MHeld
CANADA PENSION PLAN INVESTMENT BOARD30.1K$5.34MHeld
Russell Investments Group, Ltd.30K$5.33MHeld
Homestead Advisers Corp27.4K$4.86MHeld
BANQUE PICTET & CIE SA27.1K$4.81MHeld
EFG International AG26.6K$4.73MHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.25.8K$4.58MHeld
ENVESTNET ASSET MANAGEMENT INC23.2K$4.12MHeld
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC21.2K$3.75MHeld
Kampmann Melissa S.22.6K$3.7MHeld
Jump Financial, LLC20.5K$3.64MHeld
Verition Fund Management LLC19.6K$3.48MHeld
COOKSON PEIRCE & CO INC19.5K$3.47MHeld
MetLife Investment Management, LLC17.9K$3.17MHeld
HSBC HOLDINGS PLC17K$3.05MHeld
Lisanti Capital Growth, LLC17K$3.02MHeld
OCCUDO QUANTITATIVE STRATEGIES LP16.5K$2.92MHeld
INTECH INVESTMENT MANAGEMENT LLC15.3K$2.71MHeld
COMERICA BANK15K$2.67MHeld
Future Fund LLC14.8K$2.62MHeld
One Capital Management, LLC14.8K$2.62MHeld
HUSSMAN STRATEGIC ADVISORS, INC.14.7K$2.61MHeld
Granahan Investment Management, LLC14.4K$2.55MHeld
Creative Planning14.2K$2.51MHeld
JANUS HENDERSON GROUP PLC13.9K$2.46MHeld
State of New Jersey Common Pension Fund D12.7K$2.26MHeld
Williamson Legacy Group, LLC12.3K$2.19MHeld
DEERFIELD MANAGEMENT COMPANY, L.P.12.1K$2.15MHeld
ROYAL BANK OF CANADA12K$2.13MHeld
Bridgewater11.3K$2.01MHeld
Schonfeld Strategic Advisors LLC11.3K$2MHeld
B. Metzler seel. Sohn & Co. AG11.1K$1.97MHeld
ABN AMRO INVESTMENT SOLUTIONS10.2K$1.81MHeld
Ascent Group, LLC9.59K$1.7MHeld
VOYA INVESTMENT MANAGEMENT LLC9.47K$1.68MHeld
ARIZONA STATE RETIREMENT SYSTEM9.08K$1.61MHeld
Zurcher Kantonalbank (Zurich Cantonalbank)9.05K$1.61MHeld
Police & Firemen's Retirement System of New Jersey8.65K$1.53MHeld
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM8.58K$1.52MHeld
DARK FOREST CAPITAL MANAGEMENT LP8.55K$1.52MHeld
Hennion & Walsh Asset Management, Inc.8.12K$1.44MHeld
Pinnacle Financial Partners, Inc.7.14K$1.27MHeld
Rhenman & Partners Asset Management AB7K$1.24MHeld
KLP KAPITALFORVALTNING AS6.9K$1.22MHeld
Laird Norton Wetherby Trust Company, LLC6.82K$1.21MHeld
Entropy Technologies, LP6.69K$1.19MHeld
Headlands Technologies LLC6.68K$1.19MHeld
Quantbot Technologies LP6.65K$1.18MHeld
Baird Financial Group, Inc.6.5K$1.15MHeld
ProShare Advisors LLC5.94K$1.05MHeld
CAPTRUST FINANCIAL ADVISORS5.8K$1.03MHeld
Values First Advisors, Inc.5.76K$1.02MHeld
CIM INVESTMENT MANAGEMENT INC5.5K$976.3KHeld
STRS OHIO5.4K$958.2KHeld
Virtue Capital Management, LLC5.35K$937.3K$17.3KCut−$83.2K
SteelPeak Wealth, LLC5.22K$926.9KHeld
Brevan Howard Capital Management LP4.97K$882.8KHeld
Cinctive Capital Management LP4.97K$882.6KHeld
Pictet Asset Management Holding SA4.91K$871.6KHeld
EXCHANGE TRADED CONCEPTS, LLC4.86K$861.6KHeld
VIRGINIA RETIREMENT SYSTEMS ET Al4.85K$860.6KHeld
XTX Topco Ltd4.82K$854.6KHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP4.76K$844.4KHeld
CIBC Private Wealth Group LLC4.69K$832.7KHeld
Legato Capital Management LLC4.67K$827.8KHeld
Yarbrough Capital, LLC4.65K$825.1KHeld
FOX RUN MANAGEMENT, L.L.C.4.43K$786.6KHeld
TRUIST FINANCIAL CORP3.6K$638.3KHeld
MARSHALL WACE, LLP3.56K$632.4KHeld
Harbour Capital Advisors, LLC3.54K$620.3KHeld
Y-Intercept (Hong Kong) Ltd3.5K$620.2KHeld
INCEPTIONR LLC3.43K$608.1KHeld
PNC Financial Services Group, Inc.3.31K$586.6KHeld
LPL Financial LLC3.27K$581.1KHeld
Ancora Advisors LLC3.23K$573.1KHeld
IMA Advisory Services, Inc.3.23K$573.1KHeld
Versor Investments LP3.19K$566KHeld
O'SHAUGHNESSY ASSET MANAGEMENT, LLC3.13K$555.2KHeld
Mariner, LLC2.98K$527.6KHeld
LOS ANGELES CAPITAL MANAGEMENT LLC2.84K$523.3KHeld
Bayforest Capital Ltd2.9K$513.7KHeld
Graham Capital Management, L.P.2.83K$502.5KHeld
MRA Advisory Group2.77K$491.4KHeld
STEPHENS INC /AR/2.77K$490.8KHeld
Mitsubishi UFJ Asset Management Co., Ltd.2.75K$481.9KHeld
Ameritas Investment Partners, Inc.2.59K$459.4KHeld
XPONANCE LLC2.53K$449.5KHeld
SILVER OAK SECURITIES, INCORPORATED2.51K$448KHeld
Allianz Asset Management GmbH2.5K$443.6KHeld
Vanguard Personalized Indexing Management, LLC2.47K$438.6KHeld
Sumitomo Mitsui Trust Group, Inc.2.35K$417KHeld
Vident Advisory, LLC2.29K$406.7KHeld
SeaCrest Wealth Management, LLC2.03K$380.4KHeld
CIBC WORLD MARKETS CORP2.11K$374.4KHeld
Frank, Rimerman Advisors LLC2.04K$362.9KHeld
Gotham Asset Management, LLC2.02K$357.9KHeld
Quent Capital, LLC2K$354.9KHeld
QUADRANT CAPITAL GROUP LLC1.94K$344.2KHeld
KEYBANK NATIONAL ASSOCIATION/OH1.94K$344.2KHeld
OPPENHEIMER ASSET MANAGEMENT INC.1.79K$316.9KHeld
Corient Private Wealth LLC1.76K$313.1KHeld
ANB BANK1.74K$309.5KHeld
Vise Technologies, Inc.1.73K$306.4KHeld
OSAIC HOLDINGS, INC.1.65K$292.6KHeld
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna1.6K$283.9KHeld
GREAT LAKES ADVISORS, LLC1.57K$277.9KHeld
Corient IA LLC1.5K$266.2KHeld
BANK OF MONTREAL /CAN/1.48K$263KHeld
Ethic Inc.1.48K$262.4KHeld
Quantinno Capital Management LP1.46K$259.6KHeld
Swiss Life Asset Management Ltd1.46K$259.2K$7.96KAdded$7.96K
RWC Asset Management LLP1.45K$258KHeld
Rockefeller Capital Management L.P.1.36K$241.5KHeld
MidFirst Bank1.33K$235.3KHeld
BOOTHBAY FUND MANAGEMENT, LLC1.3K$231.4KHeld
EntryPoint Capital, LLC1.3K$230.5KHeld
PharVision Advisers, LLC1.29K$229.3KHeld
Abacus Wealth Partners, LLC1.27K$225.2KHeld
Avanza Fonder AB1.26K$224.3KHeld
RiverPark Advisors, LLC1.2K$213.5KHeld
Valeo Financial Advisors, LLC1.18K$209.4KHeld
Kovack Advisors, Inc.1.17K$207.8KHeld
M&T Bank Corp1.17K$207KHeld
US BANCORP \DE\1.03K$182.1KHeld
Tower Research Capital LLC (TRC)1.01K$178.5KHeld
NISA INVESTMENT ADVISORS, LLC1K$177.8KHeld
Clearstead Advisors, LLC662$117.5KHeld
ASSETMARK, INC631$112KHeld
State of Wyoming616$109.3KHeld
BNP PARIBAS ASSET MANAGEMENT Holding S.A.583K$103.5KHeld
PRICE T ROWE ASSOCIATES INC /MD/502.1K$89.1KHeld
LAZARD ASSET MANAGEMENT LLC419$74.3KHeld
Kestra Advisory Services, LLC400$71KHeld
SBI Securities Co., Ltd.399$70.8KHeld
Smartleaf Asset Management LLC323$57.7KHeld
BESSEMER GROUP INC322K$57.1KHeld
EverSource Wealth Advisors, LLC308$54.7KHeld
Torren Management, LLC301$53.4KHeld
Federation des caisses Desjardins du Quebec281$49.9KHeld
LORD, ABBETT & CO. LLC277.2K$49.2KHeld
JONES FINANCIAL COMPANIES LLLP267$47.4KHeld
Evelyn Partners Investment Management LLP245$43.5K$17.8KAdded$17.8K
Private Wealth Asset Management, LLC226$40.1KHeld
Sterling Capital Management LLC207$36.7KHeld
China Universal Asset Management Co., Ltd.200$35.5KHeld
MCF Advisors LLC196$34.8KHeld
ANTIPODES PARTNERS Ltd189$33.5KHeld

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.