Form 485BPOS - Post-effective amendment [Rule 485(b)]:
SEC Accession No. 0001193125-25-107515
Filing Date
2025-04-30
Accepted
2025-04-30 16:51:19
Documents
60
Effectiveness Date
2025-05-01

Document Format Files

Seq Description Document Type Size
1 WILLIAM BLAIR FUNDS d908509d485bpos.htm   iXBRL 485BPOS 5149062
2 LETTER AGREEMENT d908509dex99dxxxv.htm EX-99.(D)(XXXV) 17344
3 EXPENSE LIMITATION AGREEMENT d908509dex99hv.htm EX-99.(H)(V) 49902
4 LEGAL OPINION AND CONSENT OF DECHERT LLP d908509dex99i.htm EX-99.(I) 9578
5 CONSENT OF ERNST & YOUNG LLP d908509dex99j.htm EX-99.(J) 3250
12 GRAPHIC g908509g00k23.jpg GRAPHIC 40385
13 GRAPHIC g908509g00k27.jpg GRAPHIC 62214
14 GRAPHIC g908509g00k31.jpg GRAPHIC 79749
15 GRAPHIC g908509g00k40.jpg GRAPHIC 80918
16 GRAPHIC g908509g01a01.jpg GRAPHIC 9671
17 GRAPHIC g908509g01n51.jpg GRAPHIC 69919
18 GRAPHIC g908509g0426103755855.jpg GRAPHIC 2194
19 GRAPHIC g908509g08m01.jpg GRAPHIC 83916
20 GRAPHIC g908509g08m02.jpg GRAPHIC 84417
21 GRAPHIC g908509g08m03.jpg GRAPHIC 79993
22 GRAPHIC g908509g08m04.jpg GRAPHIC 81039
23 GRAPHIC g908509g08m05.jpg GRAPHIC 80527
24 GRAPHIC g908509g08m06.jpg GRAPHIC 76421
25 GRAPHIC g908509g08m07.jpg GRAPHIC 84297
26 GRAPHIC g908509g08m08.jpg GRAPHIC 77184
27 GRAPHIC g908509g08m09.jpg GRAPHIC 46742
28 GRAPHIC g908509g08m10.jpg GRAPHIC 86504
29 GRAPHIC g908509g08m11.jpg GRAPHIC 54851
30 GRAPHIC g908509g08m12.jpg GRAPHIC 47866
31 GRAPHIC g908509g11m01.jpg GRAPHIC 76146
32 GRAPHIC g908509g42g42.jpg GRAPHIC 34683
33 GRAPHIC g908509logo_02.jpg GRAPHIC 5414
  Complete submission text file 0001193125-25-107515.txt   18455911

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA wbf-20250430.xsd EX-101.SCH 39006
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE wbf-20250430_cal.xml EX-101.CAL 4702
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE wbf-20250430_def.xml EX-101.DEF 1504168
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE wbf-20250430_lab.xml EX-101.LAB 291174
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE wbf-20250430_pre.xml EX-101.PRE 1485317
65 EXTRACTED XBRL INSTANCE DOCUMENT d908509d485bpos_htm.xml XML 1055787

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000822632      
Series S000008594   William Blair Growth Fund
Class/Contract C000023523   Class N WBGSX
Class/Contract C000023524   Class I BGFIX
Class/Contract C000211716   Class R6 BGFRX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000008595   William Blair International Small Cap Growth Fund
Class/Contract C000023525   Class N WISNX
Class/Contract C000023526   Class I WISIX
Class/Contract C000023527   Class R6 WIISX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000008596   William Blair Emerging Markets Growth Fund
Class/Contract C000023528   Class N WBENX
Class/Contract C000023529   Class I WBEIX
Class/Contract C000023530   Class R6 BIEMX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000008597   William Blair Small Cap Value Fund
Class/Contract C000023531   Class N WBVNX
Class/Contract C000023532   Class I ICSCX
Class/Contract C000211717   Class R6 WBVRX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000008601   William Blair Large Cap Growth Fund
Class/Contract C000023538   Class N LCGNX
Class/Contract C000023539   Class I LCGFX
Class/Contract C000211719   Class R6 LCGJX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000008602   William Blair Small Cap Growth Fund
Class/Contract C000023540   Class N WBSNX
Class/Contract C000023541   Class I WBSIX
Class/Contract C000211720   Class R6 WBSRX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000008603   William Blair Small-Mid Cap Growth Fund
Class/Contract C000023542   Class N WSMNX
Class/Contract C000023543   Class I WSMDX
Class/Contract C000211721   Class R6 WSMRX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000008604   William Blair International Growth Fund
Class/Contract C000023544   Class N WBIGX
Class/Contract C000023545   Class I BIGIX
Class/Contract C000211722   Class R6 WBIRX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000008605   William Blair Institutional International Growth Fund
Class/Contract C000023546   Institutional Class WBIIX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000019315   William Blair Global Leaders Fund
Class/Contract C000053607   Class N WGGNX
Class/Contract C000053608   Class I WGFIX
Class/Contract C000053609   Class R6 BGGIX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000021052   William Blair Emerging Markets Leaders Fund
Class/Contract C000059867   Class I WBELX
Class/Contract C000059868   Class R6 WELIX
Class/Contract C000088850   Class N WELNX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000034349   William Blair Emerging Markets Small Cap Growth Fund
Class/Contract C000105753   Class I BESIX
Class/Contract C000105754   Class N WESNX
Class/Contract C000105755   Class R6 WESJX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000037763   William Blair International Leaders Fund
Class/Contract C000116468   Class N WILNX
Class/Contract C000116469   Class I WILIX
Class/Contract C000116470   Class R6 WILJX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000066499   William Blair Small-Mid Cap Core Fund
Class/Contract C000214491   Class I WBCIX
Class/Contract C000214492   Class R6 WBCRX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000069167   William Blair Emerging Markets Debt Fund
Class/Contract C000221008   Class R6 WEDRX
Class/Contract C000221009   Class I WEDIX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000072753   William Blair China Growth Fund
Class/Contract C000229252   Class I WICGX
Class/Contract C000229253   Class R6 WRCGX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000075390   William Blair Emerging Markets ex China Growth Fund
Class/Contract C000234384   Class I WXCIX
Class/Contract C000234385   Class R6 WXCRX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000075391   William Blair Mid Cap Value Fund
Class/Contract C000234386   Class I WVMIX
Class/Contract C000234387   Class R6 WVMRX
  Status Name Ticker Symbol
CIK 0000822632      
Series S000080810   William Blair Small-Mid Cap Value Fund
Class/Contract C000243363   Class I ISMVX
Class/Contract C000243364   Class R6 RSMVX
Mailing Address 150 NORTH RIVERSIDE PLAZA CHICAGO IL 60606
Business Address 150 NORTH RIVERSIDE PLAZA CHICAGO IL 60606 3123648000
WILLIAM BLAIR FUNDS (Filer) CIK: 0000822632 (see all company filings)

EIN.: 000000000 | Fiscal Year End: 1231
Type: 485BPOS | Act: 40 | File No.: 811-05344 | Film No.: 25896368

Mailing Address 150 NORTH RIVERSIDE PLAZA CHICAGO IL 60606
Business Address 150 NORTH RIVERSIDE PLAZA CHICAGO IL 60606 3123648000
WILLIAM BLAIR FUNDS (Filer) CIK: 0000822632 (see all company filings)

EIN.: 000000000 | Fiscal Year End: 1231
Type: 485BPOS | Act: 33 | File No.: 033-17463 | Film No.: 25896367