Institutional manager
Mawer Investment Management Ltd.
Holds positions in 61 of the S&P 500, worth $11.7bn as reported for the quarter ended 31-mar-2026.
Positions held61of 488 index companies covered
Reported value$11.7bnS&P 500 positions only
Top ten weight51%how concentrated the book is
Filing entities1single filer
Largest positions
The 60 biggest by reported value, of 61 held. The rest are smaller than every one of these.
Alphabet Inc. (Class A)GOOGL3.3m$942mCommunication ServicesMicrosoftMSFT2.3m$857mInformation TechnologyAmazonAMZN3.7m$760mConsumer DiscretionaryMarsh McLennanMRSH3.5m$603mFinancialsVisa Inc.V1.9m$585mFinancialsAmphenolAPH4.0m$504mInformation TechnologyNorthrop GrummanNOC683,362$466mIndustrialsWaters CorporationWAT1.4m$418mHealth CareAon plcAON1.3m$412mFinancialsBerkshire HathawayBRK.B55,175$392mFinancialsWells FargoWFC4.7m$372mFinancialsMeta PlatformsMETA612,803$351mCommunication ServicesSouthern CompanySO3.4m$330mUtilitiesJPMorgan ChaseJPM1.1m$328mFinancialsIntercontinental ExchangeICE2.1m$327mFinancialsCencoraCOR1.0m$324mHealth CareCME GroupCME1.0m$305mFinancialsBooking HoldingsBKNG56,702$239mConsumer DiscretionaryMastercardMA452,214$226mFinancialsAmerican Electric PowerAEP1.3m$175mUtilitiesNvidiaNVDA951,512$166mInformation TechnologyS&P GlobalSPGI383,111$163mFinancialsUberUBER2.2m$159mIndustrialsFerguson EnterprisesFERG672,031$157mIndustrialsMartin Marietta MaterialsMLM255,678$151mMaterialsCorpayCPAY513,464$149mFinancialsVerizonVZ2.7m$137mCommunication ServicesAbbott LaboratoriesABT1.3m$129mHealth CareCDW CorporationCDW1.1m$127mInformation TechnologyArthur J. Gallagher & Co.AJG581,276$126mFinancialsProcter & GamblePG851,233$123mConsumer StaplesAirbnbABNB855,687$108mConsumer DiscretionaryZoetisZTS753,283$89mHealth CareJohnson & JohnsonJNJ362,110$89mHealth CareTexas InstrumentsTXN437,639$85mInformation TechnologyMcKesson CorporationMCK85,680$74mHealth CareAbbVieABBV309,880$67mHealth CareDanaher CorporationDHR338,817$64mHealth CareNike, Inc.NKE1.1m$56mConsumer DiscretionaryBecton DickinsonBDX355,221$56mHealth CareElevance HealthELV189,001$55mHealth CareHershey Company (The)HSY265,527$55mConsumer StaplesVerisk AnalyticsVRSK285,337$54mIndustrialsAmetekAME198,907$43mIndustrialsUnitedHealth GroupUNH146,546$40mHealth CareBoston ScientificBSX589,659$37mHealth CareSherwin-WilliamsSHW103,555$33mMaterialsInteractive BrokersIBKR369,482$25mFinancialsMcCormick & CompanyMKC397,975$20mConsumer StaplesKKR & Co.KKR210,839$20mFinancialsSandiskSNDK30,538$19mInformation TechnologyResMed|RMD84,007$19mHealth CareKLA CorporationKLAC9,416$14mInformation TechnologyDiamondback EnergyFANG60,054$12mEnergyBlock, Inc.XYZ178,057$11mFinancialsComfort Systems USAFIX5,196$7mIndustrialsNewmontNEM31,755$3mMaterialsO'Reilly AutomotiveORLY35,115$3mConsumer DiscretionaryEOG ResourcesEOG11,151$2mEnergyApple Inc.AAPL3,833$972,777Information Technology
What this page is not
Positions in S&P 500 constituents only, from 13F filings, which report US listed, long, US custodied holdings. A manager's real book is larger than this in every case: anything outside the index, outside US custody, held through derivatives, or below its reporting obligation is not here.