Financial reports
N-CEN
Annual report (registered investment company)
13 Mar 24
N-CSR
Certified annual shareholder report (management investment company)
23 Feb 24
N-CSRS
Certified semi-annual shareholder report (management investment company)
24 Aug 23
N-CEN
Annual report (registered investment company)
13 Mar 23
N-CSR
Certified annual shareholder report (management investment company)
24 Feb 23
N-CSRS
Certified semi-annual shareholder report (management investment company)
25 Aug 22
N-CEN
Annual report (registered investment company)
14 Mar 22
N-CSR
Certified annual shareholder report (management investment company)
25 Feb 22
N-CEN
Annual report (registered investment company)
12 Jan 22
N-CSR
Certified annual shareholder report (management investment company)
29 Dec 21
Current reports
No filings
Proxies
N-PX
Annual report of proxy voting record
25 Aug 23
N-PX
Annual report of proxy voting record
15 Aug 22
DEF 14A
Definitive proxy
9 Dec 21
PRE 14A
Preliminary proxy
5 Nov 21
N-PX
Annual report of proxy voting record
25 Aug 21
DEFA14A
Additional proxy soliciting materials
23 Oct 20
DEF 14A
Definitive proxy
30 Sep 20
PRE 14A
Preliminary proxy
16 Sep 20
N-PX
Annual report of proxy voting record
20 Aug 20
N-PX
Annual report of proxy voting record
29 Aug 19
Other
CORRESP
Correspondence with SEC
21 Apr 23
CORRESP
Correspondence with SEC
22 Feb 22
CORRESP
Correspondence with SEC
15 Feb 22
CORRESP
Correspondence with SEC
15 Feb 22
CORRESP
Correspondence with SEC
9 Dec 21
CORRESP
Correspondence with SEC
3 Aug 21
CORRESP
Correspondence with SEC
7 Jul 21
EFFECT
Notice of effectiveness
25 May 21
CORRESP
Correspondence with SEC
21 May 21
CORRESP
Correspondence with SEC
21 May 21
Ownership
NPORT-P/A
William Blair Small-Mid Cap Value Fund (Dec 2023 report)
8 Mar 24
NPORT-P/A
William Blair Small-Mid Cap Value Fund (Sep 2023 report)
8 Mar 24
NPORT-P
William Blair International Leaders Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Emerging Markets Leaders Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Emerging Markets Debt Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair International Growth Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Institutional International Growth Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Emerging Markets Growth Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Growth Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Global Leaders Fund (Dec 2023 report)
16 Feb 24