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William Blair Investment Management, LLC

Q4 2018 Holdings

Filed 2019-02-13 | 404 holdings | $1.3B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↑Shares% Portfolio
Ishares TR(IWO)RUS 2000 GRW ETF464287648$563350.0%
Ishares TR(EMB)JPMORGAN USD EMG464288281$626000.0%
Wisdomtree TR(ELD)EM LCL DEBT FD97717X867$641,9000.0%
Ishares TR(IWF)RUS 1000 GRW ETF464287614$1831,3950.0%
Select Sector Spdr TR(XLV)SBI HEALTHCARE81369Y209$3423,9570.0%
Patterson UTI Energy Inc(PTEN)COM703481101$58856,8510.0%
Concho RES Inc(CXOEUR)COM20605P101$5995,8230.0%
First Amern Finl Corp(FAF)COM31847R102$63014,1180.0%
UGI Corp New(UGI)COM902681105$66512,4670.0%
E Trade Financial Corp(ETRA)COM NEW269246401$68915,7130.0%
Steel Dynamics Inc(STLD)COM858119100$71223,7020.0%
Affiliated Managers Group(AMG)COM008252108$7237,4250.0%
American Finl Group Inc Ohio(AFG)COM025932104$7658,4550.0%
Dunkin Brands Group Inc(DNKN)COM265504100$77112,0170.0%
Ingredion Inc(INGR)COM457187102$7768,4850.0%
Old Dominion Fght Lines Inc(ODFL)COM679580100$7936,4250.0%
Interpublic Group COS Inc(IPG)COM460690100$86341,8330.0%
Alliant Energy Corp(LNT)COM018802108$91321,6070.0%
WPX Energy IncCOM98212B103$92881,7440.0%
Camden Ppty TR(CPT)SH BEN INT133131102$96610,9740.0%
Equity Lifestyle Pptys Inc(ELS)COM29472R108$98510,1360.0%
Royal BK CDA Montreal QUE(RY)COM780087102$1.0K14,6950.0%
Voya Finl Inc(VOYA)COM929089100$1.0K25,4810.0%
Targa RES Corp(TRGP)COM87612G101$1.0K28,9620.0%
Alaska AIR Group Inc(ALK)COM011659109$1.1K17,7470.0%
Aqua America IncCOM03836W103$1.1K32,0090.0%
Hologic Inc(HOLX)COM436440101$1.1K26,6410.0%
Jacobs Engr Group Inc del(JECUSD)COM469814107$1.1K18,8360.0%
EPR Pptys(EPR)COM SH BEN INT26884U109$1.1K17,3330.0%
Snap on Inc(SNA)COM833034101$1.1K7,6370.0%
Perkinelmer Inc(RVTY)COM714046109$1.1K14,1440.0%
Maximus Inc(MMS)COM577933104$1.1K17,0620.0%
Atmos Energy Corp(ATO)COM049560105$1.2K12,5490.0%
Idex Corp(IEX)COM45167R104$1.3K10,1920.0%
Diamondback Energy Inc(FANG)COM25278X109$1.4K14,6110.0%
Meta Finl Group Inc(CASH)COM59100U108$1.4K71,1880.0%
CDK Global Inc(CDK)COM12508E101$2.1K44,4060.0%
Reliance Steel & Aluminum Co(RS)COM759509102$2.1K29,9600.0%
Fomento Economico Mexicano S(FMX)SPON ADR UNITS344419106$2.3K26,5100.0%
Vanguard Scottsdale FDS(VTWO)VNG RUS2000IDX92206C664$2.3K21,6740.0%
Nordson Corp(NDSN)COM655663102$2.3K19,5840.0%
NXP Semiconductors N V(NXPI)COMN6596X109$2.3K32,0270.0%
RIO Tinto PLC(RIO)SPONSORED ADR767204100$2.4K49,1810.0%
O Reilly Automotive Inc New(ORLY)COM67103H107$2.4K6,9670.0%
Canadian NAT RES LTD(CNQ)COM136385101$2.4K100,2390.0%
Cott Corp QUE(BCBEUR)COM22163N106$2.6K184,2820.0%
Glaxosmithkline PLCSPONSORED ADR37733W105$2.7K70,5820.0%
Ishares TR(HYG)PutIBOXX HI YD ETF464288513$2.8K2,506,9000.0%
Service Corp Intl(SCI)COM817565104$3.2K78,3640.0%
Novartis A G(NVSN)SPONSORED ADR66987V109$3.2K37,7050.0%
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