0001752724-20-155305.txt : 20200814 0001752724-20-155305.hdr.sgml : 20200814 20200814120736 ACCESSION NUMBER: 0001752724-20-155305 CONFORMED SUBMISSION TYPE: NPORT-P PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200630 FILED AS OF DATE: 20200814 PERIOD START: 20201231 FILER: COMPANY DATA: COMPANY CONFORMED NAME: WILLIAM BLAIR FUNDS CENTRAL INDEX KEY: 0000822632 IRS NUMBER: 000000000 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: NPORT-P SEC ACT: 1940 Act SEC FILE NUMBER: 811-05344 FILM NUMBER: 201103219 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 S000008598 William Blair Income Fund C000023533 Class N WBRRX C000023534 Class I BIFIX C000211718 Class R6 BIFJX NPORT-P 1 primary_doc.xml NPORT-P false 0000822632 XXXXXXXX S000008598 C000211718 C000023533 C000023534 WILLIAM BLAIR FUNDS 811-05344 0000822632 SNQR0U5FDV8EZZX4W051 150 NORTH RIVERSIDE PLAZA CHICAGO 60606 312-364-8000 William Blair Income Fund S000008598 549300CK18YF77CNQP14 2020-12-31 2020-06-30 N 53297420.17 537608.61 52759811.56 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 USD N Freddie Mac N/A 3128MCZP3 58589.22000000 PA USD 62735.84000000 0.118908385274 Long ABS-MBS USGSE US N 2 2026-04-01 Fixed 4.50000000 N N N N N N HERSHEY COMPANY 21X2CX66SU2BR6QTAD08 427866BF4 525000.00000000 PA USD 528388.18000000 1.001497473885 Long DBT CORP US N 2 2025-06-01 Fixed 0.90000000 N N N N N N FIXED INC CLEARING CORP.REPO 549300H47WTHXPU08X20 000000000 119407.04000000 PA USD 119407.04000000 0.226321960729 Long RA CORP US N 2 Repurchase N 0.00000000 2020-07-01 113200.00000000 USD 121848.48000000 USD UST N N N Grupo Bimbo SAB de CV 5493000RIXURZEBFEV60 40052VAC8 500000.00000000 PA USD 535781.25000000 1.015510166086 Long DBT CORP MX N 2 2024-06-27 Fixed 3.88000000 N N N N N N CAPITAL ONE FINANCIAL CO ZUE8T73ROZOF6FLBAR73 14040HBJ3 500000.00000000 PA USD 556072.50000000 1.053969837188 Long DBT CORP US N 2 2025-10-29 Fixed 4.20000000 N N N N N N Freddie Mac N/A 3128M7QT6 93524.37000000 PA USD 107918.47000000 0.204546731326 Long ABS-MBS USGSE US N 2 2038-12-01 Fixed 5.50000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3140J74K8 827736.19000000 PA USD 970297.81000000 1.839085056049 Long ABS-MBS USGSE US N 2 2041-04-01 Fixed 6.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31405SL36 22679.03000000 PA USD 22755.77000000 0.043130878081 Long ABS-MBS USGSE US N 2 2032-03-01 Fixed 7.00000000 N N N N N N HSBC Holdings PLC MLU0ZO3ML4LN2LL2TL39 404280AX7 500000.00000000 PA USD 506460.95000000 0.959936995650 Long DBT CORP GB N 2 2021-03-08 Floating 2.56000000 N N N N N N Freddie Mac N/A 3128K6NF3 64959.91000000 PA USD 74953.07000000 0.142064703765 Long ABS-MBS USGSE US N 2 2035-05-01 Fixed 7.50000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3140X44W3 1192629.24000000 PA USD 1436368.94000000 2.722467911710 Long ABS-MBS USGSE US N 2 2039-10-01 Fixed 6.50000000 N N N N N N Freddie Mac N/A 3128M6MM7 133082.91000000 PA USD 155477.00000000 0.294688315600 Long ABS-MBS USGSE US N 2 2037-12-01 Fixed 6.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3140X44V5 1251584.42000000 PA USD 1523853.92000000 2.888285372791 Long ABS-MBS USGSE US N 2 2038-10-01 Fixed 6.50000000 N N N N N N Freddie Mac N/A 3128PVWL0 439940.41000000 PA USD 471830.84000000 0.894299706630 Long ABS-MBS USGSE US N 2 2026-07-01 Fixed 4.50000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31402C4H2 40397.32000000 PA USD 46355.15000000 0.087860719417 Long ABS-MBS USGSE US N 2 2034-04-01 Fixed 5.50000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3138EPDS0 416661.57000000 PA USD 480945.32000000 0.911575128453 Long ABS-MBS USGSE US N 2 2035-09-01 Fixed 7.50000000 N N N N N N Brookfield Finance Inc N/A 11271LAA0 550000.00000000 PA USD 621689.92000000 1.178339917482 Long DBT CORP CA N 2 2026-06-02 Fixed 4.25000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3140J52X6 300606.73000000 PA USD 345521.82000000 0.654895856872 Long ABS-MBS USGSE US N 2 2040-08-01 Fixed 5.50000000 N N N N N N Freddie Mac N/A 3128M72G0 68884.27000000 PA USD 80859.90000000 0.153260403343 Long ABS-MBS USGSE US N 2 2040-02-01 Fixed 5.50000000 N N N N N N Comcast Corp 51M0QTTNCGUN7KFCFZ59 20030NCS8 500000.00000000 PA USD 573377.64000000 1.086769688985 Long DBT CORP US N 2 2025-10-15 Fixed 3.95000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3140X5W58 474725.68000000 PA USD 563978.00000000 1.068953780016 Long ABS-MBS USGSE US N 2 2039-01-01 Fixed 6.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3140QABY5 383630.34000000 PA USD 413347.09000000 0.783450656433 Long ABS-MBS USGSE US N 2 2033-11-01 Fixed 4.50000000 N N N N N N Freddie Mac N/A 3128PSLB1 194721.44000000 PA USD 206069.40000000 0.390580242625 Long ABS-MBS USGSE US N 2 2025-09-01 Fixed 4.00000000 N N N N N N Freddie Mac N/A 3128M54K3 165971.52000000 PA USD 194800.80000000 0.369221940412 Long ABS-MBS USGSE US N 2 2037-06-01 Fixed 6.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31371MH91 19428.90000000 PA USD 21373.73000000 0.040511384267 Long ABS-MBS USGSE US N 2 2025-10-01 Fixed 5.50000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3138ENN96 378746.13000000 PA USD 444628.86000000 0.842741561907 Long ABS-MBS USGSE US N 2 2041-04-01 Fixed 5.50000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31401LV59 57864.03000000 PA USD 66432.54000000 0.125915044113 Long ABS-MBS USGSE US N 2 2033-06-01 Fixed 5.50000000 N N N N N N CONOCOPHILLIPS COMPANY 6VJJ5GQWIRDQ06DUXG89 20826FAQ9 500000.00000000 PA USD 600081.39000000 1.137383497508 Long DBT CORP US N 2 2026-03-15 Fixed 4.95000000 N N N N N N Bank of America Corp 9DJT3UXIJIZJI4WXO774 06051GHF9 650000.00000000 PA USD 695093.13000000 1.317467044417 Long DBT CORP US N 2 2024-03-05 Fixed 3.55000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31409VZU0 92868.00000000 PA USD 106826.85000000 0.202477694368 Long ABS-MBS USGSE US N 2 2029-07-01 Fixed 8.50000000 N N N N N N GOLDMAN SACHS GROUP INC 784F5XWPLTWKTBV3E584 38141GVM3 550000.00000000 PA USD 608392.32000000 1.153135885081 Long DBT CORP US N 2 2024-03-03 Fixed 4.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3138EKE35 338126.62000000 PA USD 360438.27000000 0.683168228510 Long ABS-MBS USGSE US N 2 2026-06-01 Fixed 4.50000000 N N N N N N MITSUBISHI UFJ FIN GRP 353800V2V8PUY9TK3E06 606822BD5 550000.00000000 PA USD 593921.63000000 1.125708398947 Long DBT CORP JP N 2 2024-03-07 Fixed 3.41000000 N N N N N N United States Treasury 254900HROIFWPRGM1V77 912820E29 1000000.00000000 PA USD 997208.18000000 1.890090488412 Long DBT UST US N 2 2022-05-15 None 0.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3138A2CH0 219197.08000000 PA USD 232106.92000000 0.439931290762 Long ABS-MBS USGSE US N 2 2025-12-01 Fixed 4.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3138EKZV0 1122067.21000000 PA USD 1300635.63000000 2.465201431814 Long ABS-MBS USGSE US N 2 2033-11-01 Fixed 5.50000000 N N N N N N TOLL BROS FINANCE CORP N/A 88947EAN0 500000.00000000 PA USD 520572.50000000 0.986683774273 Long DBT CORP US N 2 2023-04-15 Fixed 4.38000000 N N N N N N Freddie Mac N/A 31283H3N3 692575.36000000 PA USD 804114.97000000 1.524105083441 Long ABS-MBS USGSE US N 2 2034-06-01 Fixed 5.50000000 N N N N N N Jones Lang LaSalle Inc 6SYKCME112RT8TQUO411 48020QAA5 500000.00000000 PA USD 524500.70000000 0.994129214058 Long DBT CORP US N 2 2022-11-15 Fixed 4.40000000 N N N N N N TOYOTA MOTOR CREDIT CORP Z2VZBHUMB7PWWJ63I008 89236TGZ2 500000.00000000 PA USD 505797.33000000 0.958679182211 Long DBT CORP US N 2 2022-05-26 Fixed 1.15000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31371NBG9 4490.51000000 PA USD 4900.59000000 0.009288490339 Long ABS-MBS USGSE US N 2 2027-02-01 Fixed 5.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3138ERHC7 3507770.26000000 PA USD 4101864.23000000 7.774599849234 Long ABS-MBS USGSE US N 2 2041-12-01 Fixed 5.50000000 N N N N N N SOCIETE GENERALE O2RNE8IBXP4R0TD8PU41 83369BG18 350000.00000000 PA USD 350000.00000000 0.663383718878 Long STIV CORP FR N 2 2020-07-01 None 0.00000000 N N N N N N Fannie Mae N/A 31358UXZ4 9621.94000000 PA USD 10439.43000000 0.019786708275 Long ABS-MBS USGSE US N 2 2023-04-25 Floating 11.23000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3138ERY46 675148.18000000 PA USD 721132.14000000 1.366820916674 Long ABS-MBS USGSE US N 2 2027-02-01 Fixed 4.50000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3138AYWQ8 97640.14000000 PA USD 103668.99000000 0.196492343195 Long ABS-MBS USGSE US N 2 2026-11-01 Fixed 4.00000000 N N N N N N INTUIT INC VI90HBPH7XSFMB9E4M29 46124HAB2 450000.00000000 PA USD 451518.81000000 0.855800649489 Long DBT CORP US N 2 2025-07-15 Fixed 0.95000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31410KCG7 1722732.55000000 PA USD 2024711.89000000 3.837602580701 Long ABS-MBS USGSE US N 2 2038-01-01 Fixed 6.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31385XEC7 37675.77000000 PA USD 43007.35000000 0.081515359377 Long ABS-MBS USGSE US N 2 2033-06-01 Fixed 5.50000000 N N N N N N Freddie Mac N/A 31335BTF3 1466287.40000000 PA USD 1740985.27000000 3.299832236929 Long ABS-MBS USGSE US N 2 2040-04-01 Fixed 6.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31415CNA1 102603.80000000 PA USD 109333.05000000 0.207227900872 Long ABS-MBS USGSE US N 2 2023-05-01 Fixed 5.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3138EPDT8 168659.61000000 PA USD 194197.48000000 0.368078418512 Long ABS-MBS USGSE US N 2 2034-08-01 Fixed 8.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31410GRD7 92533.30000000 PA USD 106360.25000000 0.201593309102 Long ABS-MBS USGSE US N 2 2035-12-01 Fixed 5.50000000 N N N N N N GM Financial Automobile Leasing Trust N/A 36259KAG2 950000.00000000 PA USD 943605.65000000 1.788493215004 Long ABS-O CORP US N 2 2023-12-20 Fixed 2.04000000 N N N N N N AT&T Inc 549300Z40J86GGSTL398 00206RCT7 550000.00000000 PA USD 627240.20000000 1.188859818588 Long DBT CORP US N 2 2026-02-17 Fixed 4.13000000 N N N N N N MERCK & CO INC 4YV9Y5M8S0BRK1RP0397 58933YAY1 700000.00000000 PA USD 699158.29000000 1.325172075728 Long DBT CORP US N 2 2026-02-24 Fixed 0.75000000 N N N N N N COSTCO WHOLESALE CORP 29DX7H14B9S6O3FD6V18 22160KAN5 500000.00000000 PA USD 511758.77000000 0.969978388603 Long DBT CORP US N 2 2027-06-20 Fixed 1.38000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3140J5PN3 1426022.16000000 PA USD 1670802.13000000 3.166808372884 Long ABS-MBS USGSE US N 2 2042-01-01 Fixed 6.00000000 N N N N N N Freddie Mac N/A 31292LCA1 109987.83000000 PA USD 134502.93000000 0.254934439724 Long ABS-MBS USGSE US N 2 2041-04-01 Fixed 9.00000000 N N N N N N SYSCO CORPORATION 5RGWIFLMGH3YS7KWI652 871829BK2 525000.00000000 PA USD 520072.90000000 0.985736841399 Long DBT CORP US N 2 2030-02-15 Fixed 2.40000000 N N N N N N Roper Technologies Inc 54930003T4SXCIWVXY35 776743AF3 375000.00000000 PA USD 440052.84000000 0.834068255720 Long DBT CORP US N 2 2028-09-15 Fixed 4.20000000 N N N N N N Verizon Owner Trust 549300XY7L2MRX0BQH89 92348TAD6 425000.00000000 PA USD 425949.11000000 0.807336298985 Long ABS-O CORP US N 2 2024-07-22 Fixed 2.06000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31412LWT3 14514.63000000 PA USD 16457.89000000 0.031193989351 Long ABS-MBS USGSE US N 2 2037-09-01 Fixed 6.50000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31385XF85 6247.60000000 PA USD 7130.12000000 0.013514301490 Long ABS-MBS USGSE US N 2 2033-07-01 Fixed 5.50000000 N N N N N N CNH INDUSTRIAL CAP LLC 549300PNSJ5B81UMVO28 12592BAK0 350000.00000000 PA USD 352450.40000000 0.668028163063 Long DBT CORP US N 2 2023-07-02 Fixed 1.95000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31406C5T1 62146.86000000 PA USD 70697.24000000 0.133998279958 Long ABS-MBS USGSE US N 2 2028-06-01 Fixed 8.00000000 N N N N N N Freddie Mac N/A 3128MDY31 142627.44000000 PA USD 153914.87000000 0.291727482432 Long ABS-MBS USGSE US N 2 2029-03-01 Fixed 4.00000000 N N N N N N Freddie Mac N/A 31296SNU6 381248.95000000 PA USD 441534.90000000 0.836877325647 Long ABS-MBS USGSE US N 2 2034-01-01 Fixed 5.50000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31418MYX4 505088.70000000 PA USD 600347.87000000 1.137888578918 Long ABS-MBS USGSE US N 2 2032-12-01 Fixed 7.00000000 N N N N N N United States Treasury 254900HROIFWPRGM1V77 912810FH6 1169970.00000000 PA USD 1654261.12000000 3.135456839376 Long DBT UST US N 2 2029-04-15 Fixed 3.88000000 N N N N N N WELLS FARGO & COMPANY PBLD0EJDB5FWOLXP3B76 949746RE3 550000.00000000 PA USD 610975.17000000 1.158031372620 Long DBT CORP US N 2 2024-01-16 Fixed 4.48000000 N N N N N N INTERCONTINENTALEXCHANGE 5493000F4ZO33MV32P92 45866FAD6 550000.00000000 PA USD 626727.26000000 1.187887601318 Long DBT CORP US N 2 2025-12-01 Fixed 3.75000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31412TCW1 50898.02000000 PA USD 53231.87000000 0.100894731095 Long ABS-MBS USGSE US N 2 2023-08-01 Fixed 5.50000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31371K3A7 4033.50000000 PA USD 4603.05000000 0.008724538363 Long ABS-MBS USGSE US N 2 2033-04-01 Fixed 5.50000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3138ER5T3 4100395.86000000 PA USD 4350738.80000000 8.246312242893 Long ABS-MBS USGSE US N 2 2029-02-01 Fixed 4.00000000 N N N N N N OMNICOM GROUP INC HKUPACFHSSASQK8HLS17 681919BB1 500000.00000000 PA USD 511248.61000000 0.969011440494 Long DBT CORP US N 2 2030-04-30 Fixed 2.45000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31390SJT9 31687.57000000 PA USD 36361.56000000 0.068919048277 Long ABS-MBS USGSE US N 2 2032-09-01 Fixed 6.50000000 N N N N N N Freddie Mac N/A 31294LXT5 19860.44000000 PA USD 20742.56000000 0.039315075976 Long ABS-MBS USGSE US N 2 2023-04-01 Fixed 6.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3138ERHB9 1370248.47000000 PA USD 1608198.42000000 3.048150424440 Long ABS-MBS USGSE US N 2 2042-01-01 Fixed 6.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31403DG45 44078.34000000 PA USD 50010.81000000 0.094789591776 Long ABS-MBS USGSE US N 2 2032-05-01 Fixed 8.50000000 N N N N N N Motorola Solutions Inc 6S552MUG6KGJVEBSEC55 620076BL2 450000.00000000 PA USD 512120.61000000 0.970664213646 Long DBT CORP US N 2 2028-02-23 Fixed 4.60000000 N N N N N N ERP Operating LP DX5HQV5MLU50FEWZ5072 26884ABD4 550000.00000000 PA USD 604543.89000000 1.145841639924 Long DBT US N 2 2025-06-01 Fixed 3.38000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31402RFP9 10390.01000000 PA USD 10499.38000000 0.019900336429 Long ABS-MBS USGSE US N 2 2022-03-01 Fixed 8.00000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 31415W3U5 46619.86000000 PA USD 53721.89000000 0.101823506209 Long ABS-MBS USGSE US N 2 2038-11-01 Fixed 7.00000000 N N N N N N ABBOTT LABORATORIES HQD377W2YR662HK5JX27 002824BP4 450000.00000000 PA USD 451514.13000000 0.855791779101 Long DBT CORP US N 2 2028-01-30 Fixed 1.15000000 N N N N N N KROGER CO 6CPEOKI6OYJ13Q6O7870 501044BV2 350000.00000000 PA USD 505469.44000000 0.958057705390 Long DBT CORP US N 2 2029-09-15 Fixed 8.00000000 N N N N N N Simon Property Group LP MR92GTD0MJTTTTQDVG45 828807CW5 550000.00000000 PA USD 590502.63000000 1.119228087705 Long DBT US N 2 2026-01-15 Fixed 3.30000000 N N N N N N AMAZON.COM INC ZXTILKJKG63JELOEG630 023135BS4 450000.00000000 PA USD 456469.52000000 0.865184136377 Long DBT CORP US N 2 2030-06-03 Fixed 1.50000000 N N N N N N CITIGROUP INC 6SHGI4ZSSLCXXQSBB395 172967MR9 500000.00000000 PA USD 510318.33000000 0.967248204477 Long DBT CORP US N 2 2024-05-15 Fixed 1.68000000 N N N N N N Fannie Mae B1V7KEBTPIMZEU4LTD58 3140J9VP3 1915167.56000000 PA USD 2248814.53000000 4.262362702798 Long ABS-MBS USGSE US N 2 2048-12-01 Fixed 5.50000000 N N N N N N United States Treasury 254900HROIFWPRGM1V77 9127962G3 240000.00000000 PA USD 239929.80000000 0.454758637125 Long DBT UST US N 2 2020-09-17 None 0.00000000 N N N N N N United States Treasury 254900HROIFWPRGM1V77 912803BL6 775000.00000000 PA USD 751140.72000000 1.423698640670 Long DBT UST US N 2 2027-08-15 None 0.00000000 N N N N N N 2020-07-23 WILLIAM BLAIR FUNDS John Raczek John Raczek Principal Financial Officer