Institutional manager
OSSIAM
Holds positions in 225 of the S&P 500, worth $4.96bn as reported for the quarter ended 31-mar-2026.
Positions held225of 488 index companies covered
Reported value$4.96bnS&P 500 positions only
Top ten weight66%how concentrated the book is
Filing entities1single filer
Largest positions
The 60 biggest by reported value, of 225 held. The rest are smaller than every one of these.
Advanced Micro DevicesAMD4.0m$808mInformation TechnologyState Street CorporationSTT7.6m$583mFinancialsTesla, Inc.TSLA1.0m$386mConsumer DiscretionaryBerkshire HathawayBRK.B718,008$344mFinancialsApple Inc.AAPL1.0m$265mInformation TechnologyBroadcomAVGO806,195$250mInformation TechnologyAmazonAMZN1.0m$213mConsumer DiscretionaryNvidiaNVDA1.1m$188mInformation TechnologyGoldman SachsGS149,241$126mFinancialsPalantir TechnologiesPLTR638,705$93mInformation TechnologyAdobe Inc.ADBE375,127$91mInformation TechnologyApplied MaterialsAMAT187,209$64mInformation TechnologyNXP SemiconductorsNXPI319,118$63mInformation TechnologyAlphabet Inc. (Class A)GOOGL214,893$62mCommunication ServicesAutodeskADSK249,209$60mInformation TechnologyFortinetFTNT722,143$59mInformation TechnologyExxonMobilXOM304,874$52mEnergyUberUBER691,665$50mIndustrialsCrowdStrikeCRWD125,227$49mInformation TechnologyUlta BeautyULTA87,651$46mConsumer DiscretionaryS&P GlobalSPGI95,756$41mFinancialsAmgenAMGN113,495$40mHealth CareLinde plcLIN79,688$40mMaterialsIntuitive SurgicalISRG81,444$38mHealth CareSandiskSNDK58,437$37mInformation TechnologyAbbVieABBV159,762$35mHealth CareTruist FinancialTFC730,094$34mFinancialsEOG ResourcesEOG229,297$33mEnergyAlign TechnologyALGN189,015$32mHealth CareUnitedHealth GroupUNH117,865$32mHealth CareAirbnbABNB249,129$31mConsumer DiscretionaryNetflixNFLX318,779$31mCommunication ServicesBooking HoldingsBKNG7,239$30mConsumer DiscretionaryDoorDashDASH194,452$29mConsumer DiscretionaryAutoZoneAZO8,554$29mConsumer DiscretionaryCBRE GroupCBRE184,333$25mReal EstateDuke EnergyDUK189,517$25mUtilitiesMeta PlatformsMETA42,876$25mCommunication ServicesAppLovinAPP54,499$22mCommunication ServicesFreeport-McMoRanFCX300,273$18mMaterialsVertex PharmaceuticalsVRTX39,357$18mHealth CareKeysight TechnologiesKEYS57,004$16mInformation TechnologyCoStar GroupCSGP387,458$16mReal EstateAmphenolAPH118,895$15mInformation TechnologyVerizonVZ288,693$14mCommunication ServicesMcKesson CorporationMCK16,696$14mHealth CareMastercardMA28,067$14mFinancialsNews Corp (Class A)NWSA546,527$14mCommunication ServicesWorkday, Inc.WDAY102,860$13mInformation TechnologyNVR, Inc.NVR1,950$13mConsumer DiscretionaryOracle CorporationORCL84,975$13mInformation TechnologyDatadogDDOG103,574$12mInformation TechnologyCharter CommunicationsCHTR55,436$12mCommunication ServicesNorwegian Cruise Line HoldingsNCLH596,502$11mConsumer DiscretionaryAbbott LaboratoriesABT97,838$10mHealth CareCostcoCOST9,516$9mConsumer StaplesRegeneron PharmaceuticalsREGN12,103$9mHealth CareBiogenBIIB40,960$8mHealth CareVisa Inc.V24,488$7mFinancialsMerck & Co.MRK61,499$7mHealth Care
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.