0001752724-24-025900.txt : 20240216 0001752724-24-025900.hdr.sgml : 20240216 20240216112819 ACCESSION NUMBER: 0001752724-24-025900 CONFORMED SUBMISSION TYPE: NPORT-P PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231231 FILED AS OF DATE: 20240216 DATE AS OF CHANGE: 20240216 PERIOD START: 20231231 FILER: COMPANY DATA: COMPANY CONFORMED NAME: WILLIAM BLAIR FUNDS CENTRAL INDEX KEY: 0000822632 ORGANIZATION NAME: IRS NUMBER: 000000000 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: NPORT-P SEC ACT: 1940 Act SEC FILE NUMBER: 811-05344 FILM NUMBER: 24646286 BUSINESS ADDRESS: STREET 1: 150 NORTH RIVERSIDE PLAZA CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3123648000 MAIL ADDRESS: STREET 1: 150 NORTH RIVERSIDE PLAZA CITY: CHICAGO STATE: IL ZIP: 60606 FORMER COMPANY: FORMER CONFORMED NAME: WILLIAM BLAIR MUTUAL FUNDS INC DATE OF NAME CHANGE: 19960112 FORMER COMPANY: FORMER CONFORMED NAME: BLAIR WILLIAM READY RESERVES INC DATE OF NAME CHANGE: 19920316 0000822632 S000008594 William Blair Growth Fund C000023523 Class N WBGSX C000023524 Class I BGFIX C000211716 Class R6 BGFRX NPORT-P 1 primary_doc.xml NPORT-P false 0000822632 XXXXXXXX S000008594 C000023523 C000211716 C000023524 WILLIAM BLAIR FUNDS 811-05344 0000822632 SNQR0U5FDV8EZZX4W051 150 NORTH RIVERSIDE PLAZA CHICAGO 60606 312-364-8000 William Blair Growth Fund S000008594 549300CN8MT9K8UCDE27 2023-12-31 2023-12-31 N 239485570.34 222067.44 239263502.90 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 N Pure Storage Inc 549300NPDB0BZTK3WO90 Pure Storage Inc 74624M102 83588.00000000 NS USD 2980748.08000000 1.245801404673 Long EC CORP US N 1 N N N Dynatrace Inc N/A Dynatrace Inc 268150109 57413.00000000 NS USD 3139916.97000000 1.312325921815 Long EC CORP US N 1 N N N Vertex Inc 549300QMYW171MP1PL50 Vertex Inc 92538J106 68484.00000000 NS USD 1844958.96000000 0.771099201356 Long EC CORP US N 1 N N N Skyline Champion Corp N/A Skyline Champion Corp 830830105 31353.00000000 NS USD 2328273.78000000 0.973100264678 Long EC CORP US N 1 N N N Lancaster Colony Corp 529900X4O13HED1ZAS58 Lancaster Colony Corp 513847103 15791.00000000 NS USD 2627464.49000000 1.098146795542 Long EC CORP US N 1 N N N Treace Medical Concepts Inc N/A Treace Medical Concepts Inc 89455T109 199559.00000000 NS USD 2544377.25000000 1.063420546452 Long EC CORP US N 1 N N N UnitedHealth Group Inc 549300GHBMY8T5GXDE41 UnitedHealth Group Inc 91324P102 18173.00000000 NS USD 9567539.31000000 3.998745815402 Long EC CORP US N 1 N N N Workiva Inc 529900RTOQ8GRWHY1O58 Workiva Inc 98139A105 22961.00000000 NS USD 2331230.33000000 0.974335952514 Long EC CORP US N 1 N N N Repligen Corp 54930006QJ0T5AUO1E71 Repligen Corp 759916109 15047.00000000 NS USD 2705450.60000000 1.130741031209 Long EC CORP US N 1 N N N Everest Group Ltd 549300N24XF2VV0B3570 Everest Group Ltd 000000000 7420.00000000 NS USD 2623563.60000000 1.096516421518 Long EC CORP BM N 1 N N N Green Plains Inc VJ5WLTHARBSDR14KIZ98 Green Plains Inc 393222104 62677.00000000 NS USD 1580713.94000000 0.660658195186 Long EC CORP US N 1 N N N NIKE Inc 787RXPR0UX0O0XUXPZ81 NIKE Inc 654106103 35758.00000000 NS USD 3882246.06000000 1.622581803302 Long EC CORP US N 1 N N N Power Integrations Inc 54930085LGXSCIHD5W31 Power Integrations Inc 739276103 18480.00000000 NS USD 1517392.80000000 0.634193172635 Long EC CORP US N 1 N N N Advanced Micro Devices Inc R2I72C950HOYXII45366 Advanced Micro Devices Inc 007903107 43596.00000000 NS USD 6426486.36000000 2.685945111606 Long EC CORP US N 1 N N N Texas Instruments Inc WDJNR2L6D8RWOEB8T652 Texas Instruments Inc 882508104 25488.00000000 NS USD 4344684.48000000 1.815857591040 Long EC CORP US N 1 N N N Alphabet Inc 5493006MHB84DD0ZWV18 Alphabet Inc 02079K305 122143.00000000 NS USD 17062155.67000000 7.131115052315 Long EC CORP US N 1 N N N Estee Lauder Cos Inc/The 549300VFZ8XJ9NUPU221 Estee Lauder Cos Inc/The 518439104 9926.00000000 NS USD 1451677.50000000 0.606727512723 Long EC CORP US N 1 N N N Crown Holdings Inc NYLWZIOY8PUNIT4JOE22 Crown Holdings Inc 228368106 26318.00000000 NS USD 2423624.62000000 1.012952076110 Long EC CORP US N 1 N N N Carlyle Group Inc/The 529900NGGVF94UK6PG95 Carlyle Group Inc/The 14316J108 77524.00000000 NS USD 3154451.56000000 1.318400642708 Long EC CORP US N 1 N N N Zoetis Inc 549300HD9Q1LOC9KLJ48 Zoetis Inc 98978V103 22513.00000000 NS USD 4443390.81000000 1.857111826978 Long EC CORP US N 1 N N N Brink's Co/The XFP140TFNOQMIVFTVQ13 Brink's Co/The 109696104 44826.00000000 NS USD 3942446.70000000 1.647742615240 Long EC CORP US N 1 N N N Workday Inc 549300J0DYC0N31V7G13 Workday Inc 98138H101 13073.00000000 NS USD 3608932.38000000 1.508350557547 Long EC CORP US N 1 N N N Tyler Technologies Inc 25490040SMU4Z8LBCW70 Tyler Technologies Inc 902252105 7409.00000000 NS USD 3097851.08000000 1.294744514918 Long EC CORP US N 1 N N N Microsoft Corp INR2EJN1ERAN0W5ZP974 Microsoft Corp 594918104 63473.00000000 NS USD 23868386.92000000 9.975774253366 Long EC CORP US N 1 N N N Veeva Systems Inc 549300YZEXPDB92M2F02 Veeva Systems Inc 922475108 12500.00000000 NS USD 2406500.00000000 1.005794854138 Long EC CORP US N 1 N N N NVIDIA Corp 549300S4KLFTLO7GSQ80 NVIDIA Corp 67066G104 22505.00000000 NS USD 11144926.10000000 4.658013430764 Long EC CORP US N 1 N N N Coca-Cola Co/The UWJKFUJFZ02DKWI3RY53 Coca-Cola Co/The 191216100 80746.00000000 NS USD 4758361.78000000 1.988753705569 Long EC CORP US N 1 N N N MongoDB Inc 549300TPTG69WKWE1Z37 MongoDB Inc 60937P106 3927.00000000 NS USD 1605553.95000000 0.671040058571 Long EC CORP US N 1 N N N Nice Ltd 254900YTY4EF5Z4W0A51 Nice Ltd 653656108 13960.00000000 NS USD 2785159.60000000 1.164055347448 Long EC CORP IL N 1 N N N Kornit Digital Ltd 5299006DPCQWP3VTFK34 Kornit Digital Ltd 000000000 70053.00000000 NS USD 1342215.48000000 0.560977944288 Long EC CORP IL N 1 N N N CoStar Group Inc N/A CoStar Group Inc 22160N109 32640.00000000 NS USD 2852409.60000000 1.192162434064 Long EC CORP US N 1 N N N Intuitive Surgical Inc 54930052SRG011710797 Intuitive Surgical Inc 46120E602 17478.00000000 NS USD 5896378.08000000 2.464386757082 Long EC CORP US N 1 N N N Mastercard Inc AR5L2ODV9HN37376R084 Mastercard Inc 57636Q104 27548.00000000 NS USD 11749497.48000000 4.910693581590 Long EC CORP US N 1 N N N Cameco Corp N4BHALMXL3GMZKCUON55 Cameco Corp 13321L108 86277.00000000 NS USD 3718538.70000000 1.554160436058 Long EC CORP CA N 1 N N N Bright Horizons Family Solutions Inc N/A Bright Horizons Family Solutions Inc 109194100 27720.00000000 NS USD 2612332.80000000 1.091822517156 Long EC CORP US N 1 N N N Vital Farms Inc 549300S6NYY7ER3XOT61 Vital Farms Inc 92847W103 138398.00000000 NS USD 2171464.62000000 0.907561994905 Long EC CORP US N 1 N N N Abbott Laboratories HQD377W2YR662HK5JX27 Abbott Laboratories 002824100 41707.00000000 NS USD 4590689.49000000 1.918675198832 Long EC CORP US N 1 N N N Apollo Global Management Inc N/A Apollo Global Management Inc 03769M106 35672.00000000 NS USD 3324273.68000000 1.389377669267 Long EC CORP US N 1 N N N Verra Mobility Corp 549300XX5EKGLR0M4152 Verra Mobility Corp 92511U102 121692.00000000 NS USD 2802566.76000000 1.171330656799 Long EC CORP US N 1 N N N ServiceNow Inc 549300HJTQM36M0E1G39 ServiceNow Inc 81762P102 8324.00000000 NS USD 5880822.76000000 2.457885422858 Long EC CORP US N 1 N N N ACV Auctions Inc N/A ACV Auctions Inc 00091G104 204822.00000000 NS USD 3103053.30000000 1.296918778831 Long EC CORP US N 1 N N N ZipRecruiter Inc 549300HLOVNNFCY2IV80 ZipRecruiter Inc 98980B103 68284.00000000 NS USD 949147.60000000 0.396695521254 Long EC CORP US N 1 N N N Warner Music Group Corp N/A Warner Music Group Corp 934550203 89166.00000000 NS USD 3191251.14000000 1.333780999325 Long EC CORP US N 1 N N N Palo Alto Networks Inc 549300QXR2YVZV231H43 Palo Alto Networks Inc 697435105 27491.00000000 NS USD 8106546.08000000 3.388124800374 Long EC CORP US N 1 N N N Fixed Income Clearing Corp 549300H47WTHXPU08X20 FIXED INC CLEARING CORP.REPO 000000000 2734190.07000000 PA USD 2734190.07000000 1.142752670950 Long RA CORP US N 2 Repurchase N 2.30000000 2024-01-02 2726800.00000000 USD 2788889.35000000 USD UST N N N HealthEquity Inc 529900LRJU1RAFQHM467 HealthEquity Inc 42226A107 23372.00000000 NS USD 1549563.60000000 0.647638934153 Long EC CORP US N 1 N N N Five Below Inc 529900AAXP5Z6BGI7418 Five Below Inc 33829M101 16678.00000000 NS USD 3555082.48000000 1.485844032587 Long EC CORP US N 1 N N N Copart Inc 549300KVYX3JWMYEHU61 Copart Inc 217204106 106445.00000000 NS USD 5215805.00000000 2.179941753247 Long EC CORP US N 1 N N N New Fortress Energy Inc 254900EICTYTCHA5X705 New Fortress Energy Inc 644393100 82644.00000000 NS USD 3118158.12000000 1.303231826921 Long EC CORP US N 1 N N N Performance Food Group Co 549300EUK8GR9IT1YK57 Performance Food Group Co 71377A103 47086.00000000 NS USD 3255996.90000000 1.360841440727 Long EC CORP US N 1 N N N Chart Industries Inc EM7QGKC1GYOF3LSZSL80 Chart Industries Inc 16115Q308 15982.00000000 NS USD 2178826.06000000 0.910638703183 Long EC CORP US N 1 N N N Amazon.com Inc ZXTILKJKG63JELOEG630 Amazon.com Inc 023135106 116810.00000000 NS USD 17748111.40000000 7.417809730645 Long EC CORP US N 1 N N N Whitecap Resources Inc 5493000LCNZNCWCBHW56 Whitecap Resources Inc 96467A200 226335.00000000 NS USD 1521650.21000000 0.635972553923 Long EC CORP CA N 1 N N N 2024-01-16 WILLIAM BLAIR FUNDS John Raczek John Raczek Principal Financial Officer