13F

Stock

Masimo Corp

Ticker not mapped · held by 390 managers

Reported value

$6.78B

Holders

390

+3 new · −0 exited

Holders’ est. mark

−$20M

Price effect on 8 books still in the name

Largest holder

$1.15B

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.8.86M$1.15BHeld
Fidelity7.86M$1.02BHeld
Politan Capital Management LP4.59M$596.9MHeld
Vanguard4.35M$565.6MHeld
MASSACHUSETTS FINANCIAL SERVICES CO /MA/2.66M$346.5MHeld
NAYA CAPITAL MANAGEMENT UK LTD1.56M$203MHeld
WESTFIELD CAPITAL MANAGEMENT CO LP1.52M$198MHeld
State Street1.42M$184.1MHeld
Alyeska Investment Group, L.P.1.26M$163.8MHeld
Icahn Capital1.09M$141.9MHeld
GEODE CAPITAL MANAGEMENT, LLC954K$124.1MHeld
MORGAN STANLEY920.7K$119.8M−$12.1MAdded$17.9M
RTW INVESTMENTS, LP683.3K$88.9MHeld
Capital Research Global Investors637.9K$83MHeld
GOLDMAN SACHS GROUP INC636.7K$82.8MHeld
Liontrust Investment Partners LLP627.8K$81.7MHeld
UBS Group AG599.3K$77.9MHeld
Squarepoint Ops LLC583.7K$75.9MHeld
Viking Global514.3K$66.9MHeld
SCHRODER INVESTMENT MANAGEMENT GROUP475.5K$62.3MHeld
AMERIPRISE FINANCIAL INC468.4K$60.9MHeld
NORTHERN TRUST CORP380.5K$49.5MHeld
NORGES BANK377.4K$49.1M−$1.44MAdded$42.5M
BAMCO INC /NY/373.9K$48.6MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC361.9K$47.1MHeld
Gotham Asset Management, LLC342.2K$44.5MHeld
Corient Private Wealth LLC340.2K$44.3MHeld
Invesco Ltd.319.3K$41.5MHeld
Bank of New York Mellon Corp308.5K$40.1MHeld
Qube Research & Technologies Ltd293.5K$38.2MHeld
BANK OF AMERICA CORP /DE/284.7K$37M−$4.98MCut−$22.7M
Schonfeld Strategic Advisors LLC265K$34.5MHeld
Nuveen, LLC224.1K$29.1MHeld
MARSHALL WACE, LLP219.3K$28.5MHeld
Parkman Healthcare Partners LLC200K$26MHeld
Erste Asset Management GmbH200K$26MHeld
MILLENNIUM MANAGEMENT LLC188K$24.4MHeld
RAYMOND JAMES FINANCIAL INC186.5K$24.3MHeld
AMERICAN CENTURY COMPANIES INC178.8K$23.2MHeld
DIMENSIONAL FUND ADVISORS LP173.9K$22.6MHeld
Man Group plc147.4K$19.2MHeld
Grantham, Mayo, Van Otterloo & Co. LLC143.8K$18.7MHeld
DF DENT & CO INC142.6K$18.6MHeld
RHUMBLINE ADVISERS124.6K$16.2MHeld
CITIGROUP INC121.2K$15.8MHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC119K$15.5MHeld
JPMORGAN CHASE & CO117.8K$15.3MHeld
TD Asset Management Inc114.5K$14.9MHeld
JANE STREET GROUP, LLC102.9K$13.4MHeld
PRINCIPAL FINANCIAL GROUP INC97.9K$12.7MHeld
Bellevue Group AG97.3K$12.7MHeld
Legal & General Group Plc92.4K$12MHeld
Swiss National Bank91.1K$11.8MHeld
Rockefeller Capital Management L.P.86.4K$11.2MHeld
Tidal Investments LLC85.3K$11.1MHeld
Engineers Gate Manager LP83.5K$10.9MHeld
GAMCO INVESTORS, INC. ET AL83K$10.8MHeld
Alpha Wave Global, LP75.6K$9.83MHeld
D. E. Shaw & Co., Inc.66K$8.59MHeld
California Public Employees Retirement System63.4K$8.24MHeld
Renaissance Technologies59.9K$7.79MHeld
Swedbank AB59.5K$7.74MHeld
BARCLAYS PLC58.4K$7.59M−$1.02MCut−$3.89M
Quantbot Technologies LP56.9K$7.4MHeld
Retirement Systems of Alabama54.8K$7.13MHeld
ALLIANCEBERNSTEIN L.P.54.2K$7.05MHeld
Assenagon Asset Management S.A.53.5K$6.96MHeld
Verition Fund Management LLC53K$6.9MHeld
BLI - Banque de Luxembourg Investments48.8K$6.4MHeld
CAPITAL FUND MANAGEMENT S.A.47.6K$6.19MHeld
Sofinnova Investments, Inc.46.2K$6.01MHeld
Amundi43.9K$5.7MHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM43.8K$5.7MHeld
Citadel43.1K$5.6MHeld
NS Partners Ltd42.3K$5.51MHeld
Walleye Capital LLC42K$5.47MHeld
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM39.7K$5.17MHeld
VOLORIDGE INVESTMENT MANAGEMENT, LLC39.6K$5.14MHeld
WILSON ASSET MANAGEMENT (INTERNATIONAL) PTY LTD39.4K$5.13MHeld
CANADA PENSION PLAN INVESTMENT BOARD38.5K$5.01MHeld
STRS OHIO36.9K$4.8MHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE33.2K$4.32MHeld
GABELLI FUNDS LLC32.7K$4.25MHeld
Baird Financial Group, Inc.30.7K$3.99MHeld
NORDEA INVESTMENT MANAGEMENT AB28.3K$3.69MHeld
Campbell & CO Investment Adviser LLC27.8K$3.61MHeld
STOREBRAND ASSET MANAGEMENT AS27.7K$3.6MHeld
LOGAN CAPITAL MANAGEMENT INC26.5K$3.45MHeld
Onex Canada Asset Management Inc.25.8K$3.36MHeld
INTECH INVESTMENT MANAGEMENT LLC24.8K$3.22MHeld
MetLife Investment Management, LLC24.5K$3.18MHeld
Westmount Partners, LLC24.2K$3.15MHeld
NEW YORK STATE COMMON RETIREMENT FUND24.2K$3.14MHeld
Cerity Partners LLC23.8K$3.09MHeld
Cardinal Capital Management21.5K$2.79MHeld
Mariner, LLC21.4K$2.79MHeld
JANUS HENDERSON GROUP PLC20K$2.6MHeld
Advisors Asset Management, Inc.19.9K$2.58MHeld
STATE OF WISCONSIN INVESTMENT BOARD19.5K$2.53MHeld
Police & Firemen's Retirement System of New Jersey19.5K$2.53MHeld
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC19K$2.47MHeld
WELLS FARGO & COMPANY/MN18.7K$2.43MHeld
WORLDQUANT MILLENNIUM ADVISORS LLC18.6K$2.41MHeld
COMMERCE BANK17.9K$2.32MHeld
Creative Planning17.1K$2.23MHeld
ENVESTNET ASSET MANAGEMENT INC17K$2.21MHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP16.8K$2.19MHeld
State of New Jersey Common Pension Fund D16.7K$2.17MHeld
DARK FOREST CAPITAL MANAGEMENT LP16.4K$2.13MHeld
TUDOR INVESTMENT CORP ET AL16.2K$2.11M−$284.1KCut−$2.56M
DEERFIELD MANAGEMENT COMPANY, L.P.16.1K$2.1MHeld
YOUSIF CAPITAL MANAGEMENT, LLC14.5K$2.07MHeld
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC15.9K$2.07MHeld
ADAR1 Capital Management, LLC15K$1.95MHeld
BROWN ADVISORY INC14.9K$1.93MHeld
State of Tennessee, Department of Treasury13.9K$1.91MHeld
Sumitomo Mitsui Trust Group, Inc.14.6K$1.9MHeld
Trexquant Investment LP13.9K$1.81MHeld
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO13.9K$1.81MHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.13.5K$1.76MHeld
Ameritas Investment Partners, Inc.13.3K$1.73MHeld
Quantinno Capital Management LP13.3K$1.72MHeld
LECAP ASSET MANAGEMENT LTD13.2K$1.72MHeld
Empower Advisory Group, LLC13.1K$1.7MHeld
Jump Financial, LLC13K$1.68MHeld
ARIZONA STATE RETIREMENT SYSTEM12.8K$1.67MHeld
XTX Topco Ltd12.7K$1.66MHeld
Louisiana State Employees Retirement System12.6K$1.64MHeld
COMERICA BANK12.2K$1.59MHeld
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC11.4K$1.56MHeld
LOCKERMAN FINANCIAL GROUP, INC.11.8K$1.53MHeld
Summit Trail Advisors, LLC11.7K$1.52MHeld
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS11.4K$1.49MHeld
Illinois Municipal Retirement Fund11.4K$1.48MHeld
PARADIGM CAPITAL MANAGEMENT INC/NY11.4K$1.48MHeld
ROYAL BANK OF CANADA11.3K$1.47MHeld
Sterling Capital Management LLC10.9K$1.42MHeld
MERCER GLOBAL ADVISORS INC /ADV10.9K$1.41MHeld
STATE OF MICHIGAN RETIREMENT SYSTEM10.8K$1.4MHeld
KLP KAPITALFORVALTNING AS10.6K$1.38MHeld
PICTON MAHONEY ASSET MANAGEMENT10.5K$1.37MHeld
NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC10.2K$1.33MHeld
VICTORY CAPITAL MANAGEMENT INC9.84K$1.28MHeld
Zurcher Kantonalbank (Zurich Cantonalbank)9.7K$1.26MHeld
OCCUDO QUANTITATIVE STRATEGIES LP9.66K$1.26MHeld
Polymer Capital Management (US) LLC9.52K$1.24MHeld
Dynamic Technology Lab Private Ltd9.48K$1.23MHeld
ExodusPoint Capital Management, LP9.38K$1.22MHeld
OREGON PUBLIC EMPLOYEES RETIREMENT FUND9.07K$1.18MHeld
XPONANCE LLC8.74K$1.14MHeld
Birchview Capital, LP8.28K$1.08MHeld
OP Asset Management Ltd8.21K$1.07M−$110.3KAdded$136.7K
Wilmington Savings Fund Society, FSB8.02K$1.04MHeld
DE BURLO GROUP INC7.95K$1.03MHeld
WELLINGTON MANAGEMENT GROUP LLP7.83K$1.02MHeld
SEI INVESTMENTS CO7.71K$1MHeld
BNP PARIBAS FINANCIAL MARKETS7.53K$979.2KHeld
Vanguard Personalized Indexing Management, LLC7.52K$978.4KHeld
LPL Financial LLC7.51K$977KHeld
Pacer Advisors, Inc.7.36K$957.2KHeld
PNC Financial Services Group, Inc.7.29K$947.7KHeld
Pathstone Holdings, LLC7.11K$924.3KHeld
DEUTSCHE BANK AG\6.74K$876.1KHeld
Pictet Asset Management Holding SA6.54K$850.6KHeld
NAVELLIER & ASSOCIATES INC6.31K$820.7KHeld
Graham Capital Management, L.P.6.02K$782.6KHeld
Universal- Beteiligungs- und Servicegesellschaft mbH5.81K$755.9KHeld
Cinctive Capital Management LP5.68K$738.9KHeld
Focus Partners Wealth5.47K$711.9KHeld
Magnetar Financial LLC5.46K$709.5KHeld
Malaga Cove Capital, LLC5.37K$697.9KHeld
B.O.S.S. Retirement Advisors, LLC5.34K$694.1KHeld
BANK OF NOVA SCOTIA5.25K$682.4KHeld
FORA Capital, LLC5.17K$672.9KHeld
EXCHANGE TRADED CONCEPTS, LLC5.1K$663.4KHeld
NEUBERGER BERMAN GROUP LLC5.01K$651.1KHeld
BANK OF MONTREAL /CAN/4.98K$647.2KHeld
Laird Norton Wetherby Trust Company, LLC4.78K$621.4KHeld
CAPSTONE INVESTMENT ADVISORS, LLC4.72K$613.6KHeld
Russell Investments Group, Ltd.4.63K$602.6KHeld
STIFEL FINANCIAL CORP4.53K$588.7KHeld
VOYA INVESTMENT MANAGEMENT LLC4.41K$574KHeld
FRANKLIN RESOURCES INC4.38K$570.2KHeld
Eukles Asset Management4.35K$565.8KHeld
TEMA ETFS LLC4.34K$564.7KHeld
NEOS Investment Management LLC4.34K$564.7KHeld
New Age Alpha Advisors, LLC4.24K$551.2KHeld
Private Advisor Group, LLC4.22K$549.5KHeld
CAPTRUST FINANCIAL ADVISORS3.85K$501KHeld
Avior Wealth Management, LLC3.8K$493.8KHeld
US BANCORP \DE\3.76K$489.5KHeld
HighTower Advisors, LLC3.75K$487.3KHeld
QUADRANT CAPITAL GROUP LLC3.75K$487.2KHeld
FEDERATED HERMES, INC.3.67K$477.6KHeld
Federation des caisses Desjardins du Quebec3.66K$475.6KHeld
VERUS CAPITAL PARTNERS, LLC3.65K$474.8KHeld
Krilogy Financial LLC3.36K$471.4KHeld
Versor Investments LP3.56K$463.5KHeld
Mitsubishi UFJ Asset Management Co., Ltd.3.5K$446.2KHeld
OXFORD FINANCIAL GROUP, LTD. LLC3.43K$446.1KHeld
SECURIAN ASSET MANAGEMENT, INC3.33K$433.5KHeld
M&T Bank Corp3.32K$431.9KHeld
NorthCrest Asset Manangement, LLC3.13K$419.8KHeld
CenterBook Partners LP3.15K$409.4KHeld
Curi Capital, LLC3.14K$408.8KHeld
Farringdon Capital, Ltd.3.14K$408.5KHeld
Havemeyer Place LP3.02K$392.8KHeld
Merit Financial Group, LLC2.98K$387.7KHeld
COLDSTREAM CAPITAL MANAGEMENT INC2.96K$385.4KHeld
State of Wyoming2.9K$376.7KHeld
111 Capital2.87K$373.4KHeld
Ensign Peak Advisors, Inc2.71K$352.6KHeld
TWO SIGMA SECURITIES, LLC2.71K$352.6KHeld
180 WEALTH ADVISORS, LLC2.66K$346.2KHeld
BUCKHEAD CAPITAL MANAGEMENT LLC2.65K$344.7KHeld
Crossmark Global Holdings, Inc.2.64K$343.4KHeld
KCM INVESTMENT ADVISORS LLC2.52K$327.1KHeld
OPPENHEIMER ASSET MANAGEMENT INC.2.5K$325.5KHeld
ORSER CAPITAL MANAGEMENT, LLC2.45K$318.6KHeld
TOWNSQUARE CAPITAL LLC2.44K$317.9KHeld
Utah Retirement Systems2.38K$309.8KHeld
Headlands Technologies LLC2.35K$305.6KHeld
FIRST TRUST ADVISORS LP2.34K$304.5KHeld
Fiduciary Trust Co2.34K$304.2KHeld
HB Wealth Management, LLC2.34K$303.9KHeld
T. Rowe Price Investment Management, Inc.2.33M$303.1KHeld
NATIXIS2.29K$297.3KHeld
INCEPTIONR LLC2.2K$286.4KHeld
Swiss Life Asset Management Ltd2.17K$282.6K−$38KCut−$38K
Hardy Reed LLC2.17K$282.5KHeld
Cadence Bank2.17K$282.5KHeld
Farther Finance Advisors, LLC2.14K$278.8KHeld
nVerses Capital, LLC2.07K$268.8KHeld
Maryland State Retirement & Pension System2.03K$263.8KHeld
Aigen Investment Management, LP2.02K$262.5KHeld
BEESE FULMER INVESTMENT MANAGEMENT, INC.2K$260.4KHeld
PRUDENTIAL FINANCIAL INC1.96K$256.6KHeld
SILVER OAK SECURITIES, INCORPORATED1.96K$256.2KHeld
Blueshift Asset Management, LLC1.97K$255.7KHeld
Chicago Partners Investment Group LLC1.8K$254.1KHeld
MISSION WEALTH MANAGEMENT, LP1.89K$245.2KHeld
ASSETMARK, INC1.85K$240.6KHeld
ProShare Advisors LLC1.83K$238KHeld
O'SHAUGHNESSY ASSET MANAGEMENT, LLC1.76K$229.2KHeld
iSAM Funds (UK) Ltd1.76K$229.2KHeld
Vident Advisory, LLC1.75K$227.3KHeld
Rothschild Wealth LLC1.75K$227.2KHeld
Allworth Financial LP1.7K$220.5K−$15.8KAdded$86.9K
Sanctuary Advisors, LLC1.67K$217.4KNew
CIBC Asset Management Inc1.67K$217.1KHeld

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.