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

State location: IL | Fiscal Year End: 1231
formerly: BLAIR WILLIAM MUTUAL FUNDS INC (filings through 1995-08-22)
formerly: WILLIAM BLAIR MUTUAL FUNDS INC (filings through 2000-02-18)
Class/Contract: C000081288 Class N 
Ticker Symbol:   WBLNX
(List all Funds and Classes/Contracts for WILLIAM BLAIR FUNDS)

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Items 1 - 40  0000822632 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001752724-23-052212 (40 Act)  Size: 479 KB
2023-03-13 811-05344
23725948
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0000930413-23-001003 (33 Act)  Size: 21 KB
2023-03-08 033-17463
23715049
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0000930413-22-001474 (40 Act)  Size: 2 MB
2022-08-15 811-05344
221163716
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-22-117178 (40 Act)  Size: 2 MB
2022-05-24 811-05344
22955184
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0000930413-22-000547 (33 Act)  Size: 20 KB
2022-03-23 033-17463
22761817
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001752724-22-058976 (40 Act)  Size: 519 KB
2022-03-14 811-05344
22735466
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-22-052255 (40 Act)  Size: 139 KB
2022-02-28 811-05344
22691811
N-CSR  Documents Certified Shareholder Report
Acc-no: 0000930413-22-000356 (40 Act)  Size: 10 MB
2022-02-25 811-05344
22681985
497  Documents Definitive materials
Acc-no: 0001193125-22-041565 (33 Act)  Size: 8 KB
2022-02-14 033-17463
22631075
497  Documents Definitive materials
Acc-no: 0001193125-22-041582 (33 Act)  Size: 6 KB
2022-02-14 033-17463
22631159
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001193125-22-041628 (33 Act)  Size: 4 KB
2022-02-14 033-17463
22631456
497  Documents   Interactive Data Definitive materials
Acc-no: 0001193125-21-354963 (33 Act)  Size: 670 KB
2021-12-13 033-17463
211487346
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001193125-21-354970 (33 Act)  Size: 4 KB
2021-12-13 033-17463
211487359
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-21-261200 (40 Act)  Size: 3 MB
2021-11-29 811-05344
211453103
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001193125-21-325447 (33 Act)  Size: 4 KB
2021-11-10 033-17463
211394953
497  Documents   Interactive Data Definitive materials
Acc-no: 0001193125-21-325443 (33 Act)  Size: 843 KB
2021-11-10 033-17463
211394851
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0000930413-21-001552 (40 Act)  Size: 10 MB
2021-08-26 811-05344
211211830
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0000930413-21-001522 (40 Act)  Size: 2 MB
2021-08-25 811-05344
211203890
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-21-172695 (40 Act)  Size: 151 KB
2021-08-18 811-05344
211184299
497  Documents Definitive materials
Acc-no: 0001193125-21-222707 (33 Act)  Size: 3 MB
2021-07-23 033-17463
211110048
497  Documents Definitive materials
Acc-no: 0001193125-21-217146 (33 Act)  Size: 40 KB
2021-07-16 033-17463
211094758
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001193125-21-213096 (33 Act)  Size: 3 KB
2021-07-12 033-17463
211085893
497  Documents Definitive materials
Acc-no: 0001193125-21-213091 (33 Act)  Size: 20 KB
2021-07-12 033-17463
211085864
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-21-112378 (40 Act)  Size: 2 MB
2021-05-26 811-05344
21964418
497  Documents Definitive materials
Acc-no: 0001193125-21-150257 (33 Act)  Size: 1 MB
2021-05-04 033-17463
21889893
497J  Documents Certification of no change in definitive materials
Acc-no: 0001193125-21-150250 (33 Act)  Size: 19 KB
2021-05-04 033-17463
21889848
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001193125-21-144580 (40 Act)  Size: 26 MB
2021-04-30 811-05344
21877063
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001193125-21-144580 (33 Act)  Size: 26 MB
2021-04-30 033-17463
21877062
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001193125-21-145433 (33 Act)  Size: 129 KB
2021-04-30 033-17463
21879313
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001752724-21-052623 (40 Act)  Size: 506 KB
2021-03-15 811-05344
21741084
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0000930413-21-000566 (33 Act)  Size: 20 KB
2021-03-10 033-17463
21728636
N-CSR  Documents Certified Shareholder Report
Acc-no: 0000930413-21-000516 (40 Act)  Size: 8 MB
2021-03-01 811-05344
21699688
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-21-025608 (40 Act)  Size: 173 KB
2021-02-17 811-05344
21644608
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-20-245639 (40 Act)  Size: 2 MB
2020-11-24 811-05344
201345457
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0000930413-20-002154 (40 Act)  Size: 8 MB
2020-08-26 811-05344
201138220
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0000930413-20-002118 (40 Act)  Size: 2 MB
2020-08-20 811-05344
201118856
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-20-155297 (40 Act)  Size: 123 KB
2020-08-14 811-05344
201103211
497  Documents Definitive materials
Acc-no: 0001193125-20-181040 (33 Act)  Size: 25 KB
2020-06-26 033-17463
20994570
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-20-102743 (40 Act)  Size: 2 MB
2020-05-26 811-05344
20909077
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001193125-20-143612 (40 Act)  Size: 16 MB
2020-05-15 811-05344
20882302