WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 13F Holdings

CIK 0001644956

As of Sep 30, 2025, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC reported 414 positions worth $35.7B in its SEC Form 13F filing.

Top 25 holdings

SecurityTickerSectorSharesValue% of portfolio
NVIDIA CORPNVDATechnology11,569,001$2.2B6.04%
MICROSOFT CORPMSFTTechnology3,836,826$2.0B5.56%
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTDTSMTechnology6,422,158 .8B5.02%
APPLE INCAAPLTechnology5,620,453 .4B4.01%
AMAZON.COM INCAMZNEquity4,421,161$970.8M2.72%
BROADCOM INCAVGOTechnology2,811,124$927.4M2.60%
META PLATFORMS INCMETACommunication Services1,186,127$871.1M2.44%
MASTERCARD INCMAFinancial Services1,105,345$628.7M1.76%
SEA LTDSEConsumer Cyclical3,463,532$619.0M1.73%
ALPHABET INCGOOGLEquity2,486,002$604.3M1.69%
CARLYLE GROUP INCCGFinancial Services8,748,975$548.6M1.54%
MERCADOLIBRE INCMELIConsumer Cyclical229,804$537.0M1.50%
DOXIMITY INCDOCSHealthcare5,829,169$426.4M1.19%
TRANSUNIONTRUIndustrials4,678,809$392.0M1.10%
PURE STORAGE INCPSTGTechnology4,666,892$391.1M1.10%
CIENA CORPCIENTechnology2,440,888$355.6M1.00%
SERVICENOW INCNOWTechnology374,010$344.2M0.96%
INTUIT INCINTUTechnology487,232$332.7M0.93%
O REILLY AUTOMOTIVE INCORLYConsumer Cyclical2,915,674$314.3M0.88%
ORACLE CORPORCLTechnology1,107,586$311.5M0.87%
NU HOLDINGS LTDNUFinancial Services19,449,424$311.4M0.87%
COSTCO WHOLESALE CORPCOSTConsumer Defensive322,740$298.7M0.84%
IDEXX LABORATORIES INCIDXXHealthcare459,019$293.3M0.82%
TALEN ENERGY CORPTLNUtilities679,697$289.1M0.81%
AGILENT TECHNOLOGIES INCAHealthcare2,144,086$275.2M0.77%