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William Blair Investment Management, LLC

Q1 2023 Holdings

Filed 2023-05-12 | 393 holdings | $28.7B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Taiwan Semiconductor MFG LTD(TSM)SPONSORED ADS874039100$1.0B11,191,1483.6%
Microsoft Corp(MSFT)COM594918104$969.6M3,363,1543.4%
Alphabet Inc(GOOGL)CAP STK CL A02079K305$533.9M5,147,4481.9%
Mercadolibre Inc(MELI)COM58733R102$482.6M366,1571.7%
Linde PLC(LIN)SHSG54950103$481.4M1,354,4161.7%
Amazon COM Inc(AMZN)COM023135106$464.7M4,499,1161.6%
Mastercard Incorporated(MA)CL A57636Q104$455.2M1,252,7071.6%
Canadian PAC RY LTDCOM13645T100$415.8M5,404,2191.4%
BWX Technologies Inc(BWXT)COM05605H100$400.4M6,351,8811.4%
Builders Firstsource Inc(BLDR)COM12008R107$365.7M4,118,7441.3%
Unitedhealth Group Inc(UNH)COM91324P102$347.6M735,4771.2%
Axon Enterprise Inc(AXON)COM05464C101$316.4M1,407,0451.1%
Chemed Corp New(CHE)COM16359R103$301.5M560,7411.1%
Icon PLC(ICLR)SHSG4705A100$287.8M1,347,6231.0%
Euronet Worldwide Inc(EEFT)COM298736109$287.3M2,567,4171.0%
Encompass Health Corp(EHC)COM29261A100$287.1M5,307,5181.0%
Brinks Co(BCO)COM109696104$286.7M4,291,2481.0%
Mercury SYS Inc(MRCY)COM589378108$273.4M5,348,3581.0%
Cameco Corp(CCJ)COM13321L108$268.0M10,240,4330.9%
Penumbra Inc(PEN)COM70975L107$262.2M940,7320.9%
Nice LTD(NSY)SPONSORED ADR653656108$258.9M1,131,0240.9%
Guidewire Software Inc(GWRE)COM40171V100$258.1M3,145,3950.9%
Merit MED SYS Inc(MMSI)COM589889104$251.1M3,395,8320.9%
Performance Food Group Co(PFGC)COM71377A103$243.2M4,030,5110.8%
Casella Waste SYS Inc(CWST)CL A147448104$242.8M2,937,8830.8%
Crown Hldgs Inc(CCK)COM228368106$237.0M2,865,3010.8%
Lancaster Colony Corp(MZTI)COM513847103$235.9M1,162,9050.8%
Copart Inc(CPRT)COM217204106$234.5M3,117,9770.8%
Zoetis Inc(ZTS)CL A98978V103$232.9M1,399,2180.8%
Chart Inds Inc(GTLS)COM16115Q308$223.6M1,782,7240.8%
Nike Inc(NKE)CL B654106103$218.1M1,778,4750.8%
Salesforce Inc(CRM)COM79466L302$209.3M1,047,6200.7%
Lululemon Athletica Inc(LULU)COM550021109$206.8M567,7570.7%
National Instrs CorpCOM636518102$204.4M3,900,6080.7%
Technipfmc PLC(FTI)COMG87110105$204.4M14,971,6130.7%
Ferrari N V(RACE)COMN3167Y103$203.1M749,7610.7%
Dynatrace Inc(DT)COM NEW268150109$198.0M4,680,2070.7%
Accenture PLC Ireland(ACN)SHS CLASS AG1151C101$196.0M685,6280.7%
Inspire MED SYS Inc(INSP)COM457730109$195.8M836,6900.7%
Advanced Micro Devices Inc(AMD)COM007903107$188.1M1,919,6030.7%
Acadia Healthcare Company in(ACHC)COM00404A109$183.8M2,544,2820.6%
Pool Corp(POOL)COM73278L105$183.8M536,6110.6%
Heico Corp New(HEI/A)CL A422806208$180.3M1,326,3560.6%
Costco Whsl Corp New(COST)COM22160K105$179.6M361,5030.6%
Denbury Inc(DENEUR)COM24790A101$179.6M2,049,2930.6%
Hdfc Bank LTD(HDB)SPONSORED ADS40415F101$178.8M2,681,3210.6%
Intuit(INTU)COM461202103$175.9M394,6460.6%
Live Nation Entertainment in(LYV)COM538034109$174.9M2,498,1630.6%
Toronto Dominion BK ONT(TD)COM NEW891160509$173.8M2,901,0090.6%
Costar Group Inc(CSGP)COM22160N109$171.8M2,495,3880.6%
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