Institutional manager
STATE OF WISCONSIN INVESTMENT BOARD
Holds positions in 488 of the S&P 500, worth $32.0bn as reported for the quarter ended 31-mar-2026.
Positions held488of 488 index companies covered
Reported value$32.0bnS&P 500 positions only
Top ten weight36%how concentrated the book is
Filing entities1single filer
Largest positions
The 60 biggest by reported value, of 488 held. The rest are smaller than every one of these.
NvidiaNVDA13.0m$2.27bnInformation TechnologyApple Inc.AAPL7.9m$2.01bnInformation TechnologyAlphabet Inc. (Class A)GOOGL5.7m$1.65bnCommunication ServicesMicrosoftMSFT3.8m$1.41bnInformation TechnologyAmazonAMZN5.2m$1.08bnConsumer DiscretionaryBerkshire HathawayBRK.B743,684$808mFinancialsBroadcomAVGO2.5m$760mInformation TechnologyMeta PlatformsMETA1.2m$668mCommunication ServicesTesla, Inc.TSLA1.5m$563mConsumer DiscretionaryJPMorgan ChaseJPM1.5m$429mFinancialsFox Corporation (Class A)FOXA7.9m$422mCommunication ServicesLilly (Eli)LLY431,162$397mHealth CareExxonMobilXOM2.3m$383mEnergyJohnson & JohnsonJNJ1.3m$317mHealth CareWalmartWMT2.3m$292mConsumer StaplesVisa Inc.V910,168$275mFinancialsCostcoCOST240,394$240mConsumer StaplesMastercardMA461,128$230mFinancialsNetflixNFLX2.3m$221mCommunication ServicesChevron CorporationCVX1.0m$212mEnergyAbbVieABBV950,731$207mHealth CareMicron TechnologyMU602,703$204mInformation TechnologyNews Corp (Class A)NWSA7.6m$189mCommunication ServicesGoldman SachsGS1.3m$184mFinancialsProcter & GamblePG1.3m$181mConsumer StaplesPalantir TechnologiesPLTR1.2m$180mInformation TechnologyCaterpillar Inc.CAT253,869$180mIndustrialsBank of AmericaBAC3.7m$180mFinancialsAdvanced Micro DevicesAMD876,033$178mInformation TechnologyHome Depot (The)HD533,399$175mConsumer DiscretionaryCiscoCSCO2.2m$171mInformation TechnologyGE AerospaceGE589,715$167mIndustrialsCoca-Cola Company (The)KO2.2m$166mConsumer StaplesMerck & Co.MRK1.4m$164mHealth CareLam ResearchLRCX714,596$153mInformation TechnologyApplied MaterialsAMAT430,459$147mInformation TechnologyRTX CorporationRTX727,412$140mIndustrialsPhilip Morris InternationalPM840,288$139mConsumer StaplesOracle CorporationORCL925,709$136mInformation TechnologyGE VernovaGEV155,445$136mIndustrialsWells FargoWFC1.7m$134mFinancialsUnitedHealth GroupUNH485,072$131mHealth CareLinde plcLIN252,154$125mMaterialsIBMIBM506,576$123mInformation TechnologyMcDonald'sMCD381,367$119mConsumer DiscretionaryAT&TT4.0m$115mCommunication ServicesIntelINTC2.6m$114mInformation TechnologyPepsiCoPEP732,192$114mConsumer StaplesVerizonVZ2.3m$113mCommunication ServicesMorgan StanleyMS687,619$113mFinancialsKLA CorporationKLAC76,198$112mInformation TechnologyCitigroupC979,188$111mFinancialsNextEra EnergyNEE1.1m$104mUtilitiesAmgenAMGN288,369$101mHealth CareThermo Fisher ScientificTMO205,695$101mHealth CareTexas InstrumentsTXN492,985$96mInformation TechnologyAbbott LaboratoriesABT932,148$96mHealth CareTJX CompaniesTJX594,676$95mConsumer DiscretionaryGilead SciencesGILD678,790$95mHealth CareWalt Disney Company (The)DIS972,204$94mCommunication Services
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.