Latest filings (excl ownership)
N-CEN
Annual report (registered investment company)
13 Mar 24
N-CSR
Certified annual shareholder report (management investment company)
23 Feb 24
N-PX
Annual report of proxy voting record
25 Aug 23
N-CSRS
Certified semi-annual shareholder report (management investment company)
24 Aug 23
CORRESP
Correspondence with SEC
21 Apr 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-PX
Annual report of proxy voting record
15 Aug 22
N-CEN
Annual report (registered investment company)
14 Mar 22
N-CSR
Certified annual shareholder report (management investment company)
25 Feb 22
CORRESP
Correspondence with SEC
22 Feb 22
CORRESP
Correspondence with SEC
15 Feb 22
CORRESP
Correspondence with SEC
15 Feb 22
N-CEN
Annual report (registered investment company)
12 Jan 22
N-CSR
Certified annual shareholder report (management investment company)
29 Dec 21
DEF 14A
Definitive proxy
9 Dec 21
CORRESP
Correspondence with SEC
9 Dec 21
PRE 14A
Preliminary proxy
5 Nov 21
POS EX
Additional exhibits for listing
30 Sep 21
N-CSRS
Certified semi-annual shareholder report (management investment company)
26 Aug 21
N-PX
Annual report of proxy voting record
25 Aug 21
CORRESP
Correspondence with SEC
3 Aug 21
CORRESP
Correspondence with SEC
7 Jul 21
EFFECT
Notice of effectiveness
25 May 21
N-14/A
Registration statement for investment companies business combination (amended)
21 May 21
CORRESP
Correspondence with SEC
21 May 21
CORRESP
Correspondence with SEC
21 May 21
CORRESP
Correspondence with SEC
26 Apr 21
N-14
Registration statement for investment companies business combination
19 Apr 21
N-CEN
Annual report (registered investment company)
15 Mar 21
N-CSR
Certified annual shareholder report (management investment company)
1 Mar 21
DEFA14A
Additional proxy soliciting materials
23 Oct 20
DEF 14A
Definitive proxy
30 Sep 20
CORRESP
Correspondence with SEC
30 Sep 20
PRE 14A
Preliminary proxy
16 Sep 20
N-CSRS
Certified semi-annual shareholder report (management investment company)
26 Aug 20
N-PX
Annual report of proxy voting record
20 Aug 20
CORRESP
Correspondence with SEC
24 Jul 20
N-CEN
Annual report (registered investment company)
12 Mar 20
Latest ownership filings
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
NPORT-P
William Blair China Growth Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Small Cap Growth Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Mid Cap Value Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Small Cap Value Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Large Cap Growth Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Emerging Markets Small Cap Growth Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Small-Mid Cap Core Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair International Small Cap Growth Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Emerging Markets ex China Growth Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Small-Mid Cap Growth Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Small-Mid Cap Value Fund (Dec 2023 report)
16 Feb 24
NPORT-P
William Blair Small Cap Value Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Emerging Markets ex China Growth Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Large Cap Growth Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Small-Mid Cap Value Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Small-Mid Cap Growth Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Emerging Markets Small Cap Growth Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Emerging Markets Growth Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair International Small Cap Growth Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Emerging Markets Debt Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Global Leaders Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Institutional International Growth Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Mid Cap Value Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair International Leaders Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Small Cap Growth Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Growth Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Small-Mid Cap Core Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair International Growth Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair Emerging Markets Leaders Fund (Sep 2023 report)
21 Nov 23
NPORT-P
William Blair China Growth Fund (Sep 2023 report)
21 Nov 23