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William Blair Investment Management, LLC

Q4 2023 Holdings

Filed 2024-02-09 | 406 holdings | $34.4B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Microsoft Corp(MSFT)COM594918104$1.5B3,922,3944.3%
Taiwan Semiconductor MFG LTD(TSM)SPONSORED ADS874039100$1.2B11,229,2013.4%
Alphabet Inc(GOOGL)CAP STK CL A02079K305$977.5M6,997,7112.8%
Amazon COM Inc(AMZN)COM023135106$877.9M5,778,2392.6%
Mercadolibre Inc(MELI)COM58733R102$589.1M374,8251.7%
Mastercard Incorporated(MA)CL A57636Q104$575.2M1,348,5121.7%
Nvidia Corporation(NVDA)COM67066G104$537.0M1,084,3351.6%
Linde PLC(LIN)SHSG54950103$507.4M1,235,5031.5%
Carlyle Group Inc(CG)COM14316J108$451.6M11,097,7951.3%
Unitedhealth Group Inc(UNH)COM91324P102$423.7M804,7821.2%
BWX Technologies Inc(BWXT)COM05605H100$355.6M4,634,8871.0%
Encompass Health Corp(EHC)COM29261A100$348.2M5,218,1711.0%
PDD Holdings Inc(PDD)SPONSORED ADS722304102$336.5M2,300,7931.0%
Canadian Pacific Kansas City(CP)COM13646K108$335.4M4,241,7661.0%
Accenture PLC Ireland(ACN)SHS CLASS AG1151C101$334.0M951,9301.0%
Salesforce Inc(CRM)COM79466L302$329.1M1,250,4901.0%
Icon PLC(ICLR)SHSG4705A100$323.9M1,144,3930.9%
Intuit(INTU)COM461202103$304.0M486,4550.9%
Live Nation Entertainment in(LYV)COM538034109$303.7M3,244,8110.9%
Merit MED SYS Inc(MMSI)COM589889104$288.0M3,791,0890.8%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$286.2M848,3240.8%
Chemed Corp New(CHE)COM16359R103$278.6M476,4460.8%
Brinks Co(BCO)COM109696104$277.6M3,155,9300.8%
Lululemon Athletica Inc(LULU)COM550021109$274.3M536,4340.8%
E L F Beauty Inc(ELF)COM26856L103$270.0M1,870,7530.8%
Pool Corp(POOL)COM73278L105$265.8M666,7570.8%
Axon Enterprise Inc(AXON)COM05464C101$261.5M1,012,0960.8%
Palo Alto Networks Inc(PANW)COM697435105$261.1M885,5800.8%
Costco Whsl Corp New(COST)COM22160K105$260.2M394,1680.8%
Servicenow Inc(NOW)COM81762P102$259.3M367,0780.8%
New Fortress Energy Inc(NFE)COM CL A644393100$256.7M6,804,8820.7%
Crown Hldgs Inc(CCK)COM228368106$255.1M2,769,7950.7%
Guidewire Software Inc(GWRE)COM40171V100$252.5M2,315,9690.7%
Casella Waste SYS Inc(CWST)CL A147448104$247.8M2,900,1100.7%
Dynatrace Inc(DT)COM NEW268150109$246.4M4,505,5820.7%
Copart Inc(CPRT)COM217204106$245.1M5,001,5670.7%
Nice LTD(NSY)SPONSORED ADR653656108$242.4M1,215,4120.7%
Mercury SYS Inc(MRCY)COM589378108$239.8M6,556,7720.7%
Acadia Healthcare Company in(ACHC)COM00404A109$231.7M2,979,5640.7%
Lancaster Colony Corp(MZTI)COM513847103$229.9M1,381,5160.7%
Zoetis Inc(ZTS)CL A98978V103$228.7M1,158,6870.7%
Freshpet Inc(FRPT)COM358039105$228.2M2,629,8010.7%
Chipotle Mexican Grill Inc(CMG)COM169656105$223.5M97,7390.7%
Advanced Micro Devices Inc(AMD)COM007903107$217.6M1,475,8310.6%
Five Below Inc(FIVE)COM33829M101$213.1M999,7520.6%
Monster Beverage Corp New(MNST)COM61174X109$208.8M3,624,9620.6%
Ferrari N V(RACE)COMN3167Y103$208.2M615,3230.6%
National Vision Hldgs Inc(EYE)COM63845R107$205.9M9,839,3440.6%
Insulet Corp(PODD)COM45784P101$199.3M918,6890.6%
Builders Firstsource Inc(BLDR)COM12008R107$199.2M1,193,1060.6%
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