Stock listing

NASDAQ:WBSIX Wm. Blair Funds Small Cap Growth Fund CL I Mutual Fund

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Share price · NASDAQ:WBSIX

$37.76 USD +0.53 (+1.4%)

Close on Oct 20, 2026

Past 3 months -7.0% · daily closes, Jul 9, 2026 – Oct 20, 2026, adjusted for splits

Day range: $37.76 – $37.76 USDOct 20, 2026

Daily closes

Last 3 months, Jul 20, 2026 – Oct 20, 2026 · NASDAQ:WBSIX · USD, adjusted for splits

Day	Close	Change	%	Open	High	Low
Tue, Oct 20	$37.76	+0.53	+1.4%	$37.76	$37.76	$37.76
Mon, Oct 19	$37.23	+0.16	+0.4%	$37.23	$37.23	$37.23
Fri, Oct 16	$37.07	-0.73	-1.9%	$37.07	$37.07	$37.07
Thu, Oct 15	$37.80	+0.66	+1.8%	$37.80	$37.80	$37.80
Wed, Oct 14	$37.14	-0.68	-1.8%	$37.14	$37.14	$37.14
Tue, Oct 13	$37.82	-0.23	-0.6%	$37.82	$37.82	$37.82
Mon, Oct 12	$38.05	-0.25	-0.7%	$38.05	$38.05	$38.05
Fri, Oct 9	$38.30	+0.40	+1.1%	$38.30	$38.30	$38.30
Thu, Oct 8	$37.90	-0.24	-0.6%	$37.90	$37.90	$37.90
Wed, Oct 7	$38.14	-0.55	-1.4%	$38.14	$38.14	$38.14
Tue, Oct 6	$38.69	-0.19	-0.5%	$38.69	$38.69	$38.69
Mon, Oct 5	$38.88	+0.37	+1.0%	$38.88	$38.88	$38.88
Fri, Oct 2	$38.51	+0.59	+1.6%	$38.51	$38.51	$38.51
Thu, Oct 1	$37.92	+0.06	+0.2%	$37.92	$37.92	$37.92
Wed, Sep 30	$37.86	-0.02	-0.1%	$37.86	$37.86	$37.86
Tue, Sep 29	$37.88	+0.05	+0.1%	$37.88	$37.88	$37.88
Mon, Sep 28	$37.83	-0.36	-0.9%	$37.83	$37.83	$37.83
Fri, Sep 25	$38.19	+0.05	+0.1%	$38.19	$38.19	$38.19
Thu, Sep 24	$38.14	+0.02	+0.1%	$38.14	$38.14	$38.14
Wed, Sep 23	$38.12	-0.54	-1.4%	$38.12	$38.12	$38.12
Tue, Sep 22	$38.66	+0.14	+0.4%	$38.66	$38.66	$38.66
Mon, Sep 21	$38.52	+0.14	+0.4%	$38.52	$38.52	$38.52
Fri, Sep 18	$38.38	-0.08	-0.2%	$38.38	$38.38	$38.38
Thu, Sep 17	$38.46	+0.21	+0.5%	$38.46	$38.46	$38.46
Wed, Sep 16	$38.25	-0.06	-0.2%	$38.25	$38.25	$38.25
Tue, Sep 15	$38.31	-0.32	-0.8%	$38.31	$38.31	$38.31
Mon, Sep 14	$38.63	-0.26	-0.7%	$38.63	$38.63	$38.63
Fri, Sep 11	$38.89	+0.29	+0.8%	$38.89	$38.89	$38.89
Thu, Sep 10	$38.60	-0.42	-1.1%	$38.60	$38.60	$38.60
Wed, Sep 9	$39.02	-0.58	-1.5%	$39.02	$39.02	$39.02
Tue, Sep 8	$39.60	-0.32	-0.8%	$39.60	$39.60	$39.60
Fri, Sep 4	$39.92	-0.04	-0.1%	$39.92	$39.92	$39.92
Thu, Sep 3	$39.96	+0.29	+0.7%	$39.96	$39.96	$39.96
Wed, Sep 2	$39.67	+0.31	+0.8%	$39.67	$39.67	$39.67
Tue, Sep 1	$39.36	-0.56	-1.4%	$39.36	$39.36	$39.36
Mon, Aug 31	$39.92	-0.13	-0.3%	$39.92	$39.92	$39.92
Fri, Aug 28	$40.05	-0.49	-1.2%	$40.05	$40.05	$40.05
Thu, Aug 27	$40.54	+0.04	+0.1%	$40.54	$40.54	$40.54
Wed, Aug 26	$40.50	+0.09	+0.2%	$40.50	$40.50	$40.50
Tue, Aug 25	$40.41	+0.19	+0.5%	$40.41	$40.41	$40.41
Mon, Aug 24	$40.22	-0.45	-1.1%	$40.22	$40.22	$40.22
Fri, Aug 21	$40.67	+0.39	+1.0%	$40.67	$40.67	$40.67
Thu, Aug 20	$40.28	-0.62	-1.5%	$40.28	$40.28	$40.28
Wed, Aug 19	$40.90	+0.32	+0.8%	$40.90	$40.90	$40.90
Tue, Aug 18	$40.58	-0.83	-2.0%	$40.58	$40.58	$40.58
Mon, Aug 17	$41.41	-0.21	-0.5%	$41.41	$41.41	$41.41
Fri, Aug 14	$41.62	+0.15	+0.4%	$41.62	$41.62	$41.62
Thu, Aug 13	$41.47	+0.16	+0.4%	$41.47	$41.47	$41.47
Wed, Aug 12	$41.31	+0.06	+0.1%	$41.31	$41.31	$41.31
Tue, Aug 11	$41.25	+0.31	+0.8%	$41.25	$41.25	$41.25
Mon, Aug 10	$40.94	-0.27	-0.7%	$40.94	$40.94	$40.94
Fri, Aug 7	$41.21	+0.77	+1.9%	$41.21	$41.21	$41.21
Thu, Aug 6	$40.44	-0.43	-1.1%	$40.44	$40.44	$40.44
Wed, Aug 5	$40.87	-0.17	-0.4%	$40.87	$40.87	$40.87
Tue, Aug 4	$41.04	+0.95	+2.4%	$41.04	$41.04	$41.04
Mon, Aug 3	$40.09	+0.82	+2.1%	$40.09	$40.09	$40.09
Fri, Jul 31	$39.27	-0.27	-0.7%	$39.27	$39.27	$39.27
Thu, Jul 30	$39.54	+0.49	+1.3%	$39.54	$39.54	$39.54
Wed, Jul 29	$39.05	-0.77	-1.9%	$39.05	$39.05	$39.05
Tue, Jul 28	$39.82	+0.10	+0.3%	$39.82	$39.82	$39.82
Mon, Jul 27	$39.72	+0.38	+1.0%	$39.72	$39.72	$39.72
Fri, Jul 24	$39.34	+0.01	0.0%	$39.34	$39.34	$39.34
Thu, Jul 23	$39.33	-0.30	-0.8%	$39.33	$39.33	$39.33
Wed, Jul 22	$39.63	-0.40	-1.0%	$39.63	$39.63	$39.63
Tue, Jul 21	$40.03	+0.44	+1.1%	$40.03	$40.03	$40.03
Mon, Jul 20	$39.59	-0.45	-1.1%	$39.59	$39.59	$39.59

Ticker: NASDAQ:WBSIX
Asset type: Fund
Exchange: NASDAQ
Currency: USD

Wm. Blair Funds Small Cap Growth Fund CL I on 6ix

What it is: Mutual fund