William Blair Investment Management portfolio

What changed this quarter

412 positions with a change (41 new, 92 added to, 226 trimmed, 53 sold); also, 4 entered through an IPO, 2 exited through an acquisition or merger. 11 are listed here: those of 0.5 points of the portfolio or more (up to 12).

• Apple−32%fewer sharesReduced
  4.0% → 2.8%
• Applied Materials+1,325%more sharesIncreased
  under 0.1% → 1.1%
• Microsoft−29%fewer sharesReduced
  3.5% → 2.3%
• GE Aerospace+0.9 ppof portfolioNew
  — → 0.9%
• Amazon.com−37%fewer sharesReduced
  2.2% → 1.4%
• Taiwan Semiconductor Manufacturing−11%fewer sharesReduced
  6.2% → 7.1%
• Twist Bioscience−59%fewer sharesReduced
  0.8% → 0.7%
• Alphabet+27%more sharesIncreased
  2.4% → 3.4%
• CrowdStrike Holdings+0.6 ppof portfolioNew
  — → 0.6%
• Seagate Technology Holdings+0.6 ppof portfolioNew
  — → 0.6%
• Teva Pharmaceutical Industries+362%more sharesIncreased
  0.1% → 0.7%

The figure on the right: for positions added to or trimmed, the change in the number of shares (%); for new and sold ones, the points of the portfolio moved (pp). Below, the portfolio weight before → after. Traded weight?: what it bought or sold, excluding price effects.

Top holdings

• Taiwan Semiconductor ManufacturingTSM7.1%
• NVIDIANVDA5.2%
• AlphabetGOOGL3.4%
• AppleAAPL2.8%
• BroadcomAVGO2.3%
• MicrosoftMSFT2.3%
• Meta PlatformsMETA1.6%
• Amazon.comAMZN1.4%
• MastercardMA1.4%
• Advanced Micro DevicesAMD1.3%
• Applied MaterialsAMAT1.1%
• GE AerospaceGE0.9%
• AstrazenecaAZN0.9%
• Primo BrandsPRMB0.8%
• EverpureP0.8%
• AmphenolAPH0.8%
• LindeLIN0.8%
• ONTO InnovationONTO0.8%
• BorgwarnerBWA0.8%
• Carlyle GroupCG0.7%
• ArgenxARGX0.7%
• Mueller IndustriesMLI0.7%
• Monster BeverageMNST0.7%
• F5FFIV0.7%
• CredicorpBAP0.7%
• Curtiss-wrightCW0.7%
• Itau Unibanco HoldingITUB0.7%
• SnowflakeSNOW0.7%
• Twist BioscienceTWST0.7%
• TEVA Pharmaceutical IndustriesTEVA0.7%
• UnitedHealth GroupUNH0.7%
• CrowdStrike HoldingsCRWD0.6%
• Regal RexnordRRX0.6%
• Krystal BiotechKRYS0.6%
• Carpenter TechnologyCRS0.6%
• Power IntegrationsPOWI0.6%
• nVent ElectricNVT0.6%
• Guardant HealthGH0.6%
• Halozyme TherapeuticsHALO0.6%
• Talen EnergyTLN0.6%
• TransUnionTRU0.6%
• CamecoCCJ0.6%
• Sterling InfrastructureSTRL0.6%
• Costco WholesaleCOST0.6%
• Alignment HealthcareALHC0.6%
• C.h. Robinson WorldwideCHRW0.6%
• Seagate Technology HoldingsSTX0.6%
• DiodesDIOD0.6%
• BWX TechnologiesBWXT0.6%
• Akamai TechnologiesAKAM0.5%
• Baldwin Insurance GroupBWIN0.5%
• Bentley SystemsBSY0.5%
• Lattice SemiconductorLSCC0.5%
• Madrigal PharmaceuticalsMDGL0.5%
• Everest GroupEG0.5%
• Agilent TechnologiesA0.5%
• O Reilly AutomotiveORLY0.5%
• DynatraceDT0.5%
• Mirum PharmaceuticalsMIRM0.5%
• HealthequityHQY0.5%
• Idexx LaboratoriesIDXX0.5%
• ServiceNowNOW0.5%
• SynapticsSYNA0.5%
• Texas InstrumentsTXN0.5%
• SharkninjaSN0.5%
• West Pharmaceutical ServicesWST0.5%
• Grand Canyon EducationLOPE0.4%
• LittelfuseLFUS0.4%
• Canadian Natural ResourcesCNQ0.4%
• RelianceRS0.4%
• TotalEnergiesTTE0.4%
• Forgent Power SolutionsFPS0.4%
• PTC TherapeuticsPTCT0.4%
• TimkenTKR0.4%
• CytokineticsCYTK0.4%
• Lincoln Electric HoldingsLECO0.4%
• Eagle MaterialsEXP0.4%
• Clean HarborsCLH0.4%
• NovantaNOVT0.4%
• Birkenstock HoldingBIRK0.4%
• First HorizonFHN0.4%
• ETSYETSY0.4%
• Millicom International CellularTIGO0.4%
• Diebold NixdorfDBD0.4%
• Garrett MotionGTX0.4%
• Encompass HealthEHC0.3%
• AppFolioAPPF0.3%
• Marriott InternationalMAR0.3%
• National Bank HoldingsNBHC0.3%
• Chipotle Mexican GrillCMG0.3%
• SaiaSAIA0.3%
• RepligenRGEN0.3%
• FreshpetFRPT0.3%
• Jazz PharmaceuticalsJAZZ0.3%
• Martin Marietta MaterialsMLM0.3%
• Knight-Swift Transportation HoldingsKNX0.3%
• Weatherford InternationalWFRD0.3%
• Globus MedicalGMED0.3%
• Nu HoldingsNU0.3%
• Hudbay MineralsHBM0.3%