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William Blair Investment Management, LLC

Q4 2021 Holdings

Filed 2022-02-14 | 427 holdings | $5.1B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↑Shares% Portfolio
Argo Group Intl Hldgs LTDCOMG0464B107$50.9K876,4420.0%
Roper Technologies Inc(ROP)COM776696106$51.4K104,5410.0%
Grid Dynamics Hldgs Inc(GDYN)CL A39813G109$51.4K1,354,3150.0%
Kite Rlty Group TR(KRG)COM NEW49803T300$51.6K2,370,4900.0%
Methode Electrs Inc(MEI)COM591520200$52.2K1,061,1030.0%
Encore Cap Group Inc(ECPG)COM292554102$52.5K845,2570.0%
Standard MTR Prods Inc(SMP)COM853666105$52.8K1,006,9570.0%
Credicorp LTD(BAP)COMG2519Y108$54.8K449,0320.0%
PRA Group Inc(PRAA)COM69354N106$57.3K1,141,2360.0%
Ziprecruiter Inc(ZIP)CL A98980B103$57.7K2,313,5880.0%
Nextera Energy Inc(NEE)COM65339F101$58.4K625,1230.0%
Oxford Inds Inc(OXM)COM691497309$59.6K586,6900.0%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$62.0K172,5790.0%
Tower Semiconductor LTD(TSEM)SHS NEWM87915274$63.7K1,604,9390.0%
Lantheus Hldgs Inc(LNTH)COM516544103$63.9K2,213,0290.0%
Unity Software Inc(U)COM91332U101$64.7K452,5290.0%
Intercontinental Exchange in(ICE)COM45866F104$65.9K481,6210.0%
Belden Inc(BDC)COM077454106$66.7K1,014,9710.0%
Edwards Lifesciences Corp(EW)COM28176E108$67.1K517,9590.0%
BlackRock Inc(BLKCHF)COM09247X101$67.8K74,0530.0%
Spectrum Brands Hldgs Inc NE(SPB)COM84790A105$69.6K684,4870.0%
Linde PLC(LIN)SHSG5494J103$70.2K202,7210.0%
Verra Mobility Corp(VRRM)COM92511U102$70.9K4,593,0570.0%
Hanger IncCOM NEW41043F208$72.6K4,002,2950.0%
Synopsys Inc(SNPS)COM871607107$72.8K197,4520.0%
Orion Engineered Carbons S A(OEC)COML72967109$72.8K3,963,0120.0%
Alphabet Inc(GOOG)CAP STK CL C02079K107$72.9K25,1990.0%
Ulta Beauty Inc(ULTA)COM90384S303$72.9K176,8650.0%
Skyline Champion Corporation(SKY)COM830830105$73.0K924,3890.0%
Union PAC Corp(UNP)COM907818108$75.4K299,3090.0%
Albany Intl Corp(AIN)CL A012348108$76.5K865,1740.0%
Pacwest Bancorp del(PACWUSD)COM695263103$77.8K1,722,1870.0%
Workday Inc(WDAY)CL A98138H101$80.9K296,2130.0%
Aptiv PLC(APTV)SHSG6095L109$81.0K491,0220.0%
Idexx Labs Inc(IDXX)COM45168D104$81.6K123,9880.0%
Fortive Corp(FTV)COM34959J108$85.2K1,116,8700.0%
Thermo Fisher Scientific Inc(TMO)COM883556102$86.8K130,1530.0%
Owens & Minor Inc New(ACH)COM690732102$90.9K2,089,1460.0%
Dlocal LTD(DLO)CLASS A COMG29018101$96.2K2,695,1360.0%
Stem IncCOM85859N102$106.3K5,603,5240.0%
LAM Research Corp(LRCXEUR)COM512807108$106.4K147,9120.0%
Meta Platforms Inc(META)CL A30303M102$106.6K316,9940.0%
Helen of Troy LTD(HELE)COMG4388N106$111.3K455,4070.0%
Pacific Biosciences Calif in(PACB)COM69404D108$111.9K5,469,6360.0%
New Fortress Energy Inc(NFE)COM CL A644393100$113.8K4,714,3700.0%
Equifax Inc(EFX)COM294429105$115.1K393,2520.0%
Heico Corp New(HEI/A)CL A422806208$115.3K896,8020.0%
Inmode LTD(INMD)SHSM5425M103$116.7K1,653,9210.0%
WIX COM LTD(WIX)SHSM98068105$120.0K760,6200.0%
MKS Instrs Inc(MKSI)COM55306N104$120.6K692,6500.0%
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