Slice of Stock

Institutional manager

Robeco Institutional Asset Management B.V.

Holds positions in 461 of the S&P 500, worth $58.5bn as reported for the quarter ended 31-mar-2026.

Positions held461of 488 index companies covered
Reported value$58.5bnS&P 500 positions only
Top ten weight35%how concentrated the book is
Filing entities1single filer

Largest positions

The 60 biggest by reported value, of 461 held. The rest are smaller than every one of these.

NvidiaNVDA26.2m$4.58bnInformation TechnologyApple Inc.AAPL14.3m$3.63bnInformation TechnologyAlphabet Inc. (Class A)GOOGL12.3m$3.53bnCommunication ServicesMicrosoftMSFT7.3m$2.71bnInformation TechnologyAmazonAMZN8.4m$1.76bnConsumer DiscretionaryBroadcomAVGO3.9m$1.21bnInformation TechnologyMeta PlatformsMETA1.7m$950mCommunication ServicesJPMorgan ChaseJPM3.0m$884mFinancialsAbbVieABBV3.3m$707mHealth CareLilly (Eli)LLY653,146$601mHealth CareApplied MaterialsAMAT1.8m$601mInformation TechnologyTesla, Inc.TSLA1.6m$580mConsumer DiscretionaryMastercardMA1.1m$548mFinancialsVertivVRT2.1m$516mIndustrialsCiscoCSCO6.4m$498mInformation TechnologyArista NetworksANET3.9m$480mInformation TechnologyVisa Inc.V1.6m$479mFinancialsGilead SciencesGILD3.4m$468mHealth CareKLA CorporationKLAC303,514$447mInformation TechnologyLam ResearchLRCX2.1m$440mInformation TechnologyNewmontNEM3.9m$425mMaterialsAnalog DevicesADI1.3m$422mInformation TechnologyJohnson & JohnsonJNJ1.7m$421mHealth CareBristol Myers SquibbBMY6.7m$408mHealth CareMcKesson CorporationMCK458,244$397mHealth CareGE VernovaGEV448,851$392mIndustrialsTE ConnectivityTEL1.9m$388mInformation TechnologySchlumbergerSLB7.4m$381mEnergyAT&TT13.1m$380mCommunication ServicesDollar GeneralDG3.2m$375mConsumer StaplesWalmartWMT3.0m$372mConsumer StaplesCBRE GroupCBRE2.7m$364mReal EstateBNY MellonBNY3.0m$361mFinancialsLowe'sLOW1.5m$348mConsumer DiscretionaryCitigroupC3.0m$341mFinancialsMicron TechnologyMU972,166$328mInformation TechnologyJabilJBL1.2m$315mInformation TechnologyPfizerPFE11.1m$313mHealth CareThermo Fisher ScientificTMO634,639$312mHealth CareTaiwan Semiconductor ManufacturingTSM909,998$308mExxonMobilXOM1.8m$302mEnergyNetflixNFLX3.1m$293mCommunication ServicesCostcoCOST291,006$290mConsumer StaplesGeneral MotorsGM3.9m$289mConsumer DiscretionaryUberUBER3.9m$281mIndustrialsBank of AmericaBAC5.7m$280mFinancialsTravelers Companies (The)TRV960,405$280mFinancialsMerck & Co.MRK2.3m$279mHealth CareGE AerospaceGE981,412$278mIndustrialsVerizonVZ5.5m$278mCommunication ServicesRegeneron PharmaceuticalsREGN348,787$269mHealth CareeBay Inc.EBAY2.9m$267mConsumer DiscretionaryWestern DigitalWDC984,685$266mInformation TechnologyAmeriprise FinancialAMP579,799$258mFinancialsHartford (The)HIG1.9m$252mFinancialsAllstateALL1.2m$246mFinancialsCumminsCMI456,120$245mIndustrialsIntercontinental ExchangeICE1.5m$242mFinancialsIncyteINCY2.5m$237mHealth CareAutodeskADSK982,304$235mInformation Technology

What this page is not

Positions in the companies this site covers, 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.