Institutional manager
Impax Asset Management Group plc
Holds positions in 177 of the S&P 500, worth $9.92bn as reported for the quarter ended 31-mar-2026.
Positions held177of 488 index companies covered
Reported value$9.92bnS&P 500 positions only
Top ten weight47%how concentrated the book is
Filing entities1single filer
Largest positions
The 60 biggest by reported value, of 177 held. The rest are smaller than every one of these.
Linde plcLIN1.7m$849mMaterialsNvidiaNVDA3.6m$635mInformation TechnologyXylem Inc.XYL4.6m$548mIndustrialsKLA CorporationKLAC363,789$536mInformation TechnologyMicrosoftMSFT1.2m$440mInformation TechnologyAmerican Water WorksAWK2.8m$383mUtilitiesHubbell IncorporatedHUBB682,761$335mIndustrialsAptivAPTV4.6m$319mConsumer DiscretionaryVeraltoVLTO3.4m$299mIndustrialsA. O. SmithAOS4.3m$282mIndustrialsCintasCTAS1.5m$254mIndustrialseBay Inc.EBAY2.7m$247mConsumer DiscretionaryMarvell TechnologyMRVL2.3m$229mInformation TechnologyEcolabECL859,293$229mMaterialsAgilent TechnologiesA1.8m$210mHealth CareUnion Pacific CorporationUNP748,216$182mIndustrialsIDEX CorporationIEX947,946$180mIndustrialsCadence Design SystemsCDNS593,375$165mInformation TechnologyTE ConnectivityTEL744,353$156mInformation TechnologyZoetisZTS1.3m$155mHealth CarePentairPNR1.7m$149mIndustrialsMascoMAS2.4m$144mIndustrialsMastercardMA279,494$140mFinancialsSynopsysSNPS315,523$125mInformation TechnologyApple Inc.AAPL421,335$107mInformation TechnologyMonolithic Power SystemsMPWR88,456$97mInformation TechnologyTrane TechnologiesTT228,808$95mIndustrialsWaters CorporationWAT314,584$94mHealth CareApplied MaterialsAMAT259,602$89mInformation TechnologyBoston ScientificBSX1.4m$85mHealth CareWabtecWAB318,350$80mIndustrialsAutodeskADSK327,597$78mInformation TechnologyAlphabet Inc. (Class A)GOOGL270,504$78mCommunication ServicesCitizens Financial GroupCFG1.3m$76mFinancialsCarrier GlobalCARR1.2m$66mIndustrialsGeneracGNRC336,461$66mIndustrialsDanaher CorporationDHR333,774$63mHealth CareTrimble Inc.TRMB962,072$63mInformation TechnologyAmazonAMZN298,865$62mConsumer DiscretionaryIntuitive SurgicalISRG134,276$62mHealth CareMarsh McLennanMRSH337,944$59mFinancialsThermo Fisher ScientificTMO117,758$58mHealth CareTyler TechnologiesTYL164,247$56mInformation TechnologyBroadcomAVGO170,190$53mInformation TechnologyServiceNowNOW454,396$48mInformation TechnologyProgressive CorporationPGR221,428$44mFinancialsAmphenolAPH344,516$44mInformation TechnologyPTC Inc.PTC299,679$43mInformation TechnologyMettler ToledoMTD32,523$41mHealth CareLilly (Eli)LLY39,319$36mHealth CareUnited RentalsURI46,262$34mIndustrialsGilead SciencesGILD210,813$29mHealth CareJohnson & JohnsonJNJ117,316$29mHealth CareOracle CorporationORCL191,605$28mInformation TechnologyTesla, Inc.TSLA72,983$27mConsumer DiscretionaryWaste ManagementWM116,907$27mIndustrialsAbbott LaboratoriesABT206,569$21mHealth CareGE VernovaGEV23,937$21mIndustrialsMcCormick & CompanyMKC389,393$20mConsumer StaplesCitigroupC172,784$20mFinancials
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.