William Blair Small Cap Growth Fund Class I - WBSIX - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low
October 17, 2025	34.81	34.81	34.81	34.81	34.81
October 16, 2025	35.07	35.07	35.07	35.07	35.07
October 15, 2025	35.48	35.48	35.48	35.48	35.48
October 14, 2025	35.28	35.28	35.28	35.28	35.28
October 13, 2025	34.73	34.73	34.73	34.73	34.73
October 10, 2025	34.04	34.04	34.04	34.04	34.04
October 09, 2025	35.27	35.27	35.27	35.27	35.27
October 08, 2025	35.58	35.58	35.58	35.58	35.58
October 07, 2025	35.14	35.14	35.14	35.14	35.14
October 06, 2025	35.68	35.68	35.68	35.68	35.68
October 03, 2025	35.67	35.67	35.67	35.67	35.67
October 02, 2025	35.5	35.5	35.5	35.5	35.5
October 01, 2025	35.36	35.36	35.36	35.36	35.36
September 30, 2025	35.35	35.35	35.35	35.35	35.35
September 29, 2025	35.4	35.4	35.4	35.4	35.4
September 26, 2025	35.28	35.28	35.28	35.28	35.28
September 25, 2025	34.99	34.99	34.99	34.99	34.99
September 24, 2025	35.25	35.25	35.25	35.25	35.25
September 23, 2025	35.7	35.7	35.7	35.7	35.7
September 22, 2025	35.84	35.84	35.84	35.84	35.84
September 19, 2025	35.65	35.65	35.65	35.65	35.65
September 18, 2025	36.05	36.05	36.05	36.05	36.05
September 17, 2025	35.17	35.17	35.17	35.17	35.17
September 16, 2025	35.44	35.44	35.44	35.44	35.44
September 15, 2025	35.24	35.24	35.24	35.24	35.24
September 12, 2025	35.19	35.19	35.19	35.19	35.19
September 11, 2025	35.73	35.73	35.73	35.73	35.73
September 10, 2025	35.13	35.13	35.13	35.13	35.13
September 09, 2025	35.3	35.3	35.3	35.3	35.3
September 08, 2025	35.56	35.56	35.56	35.56	35.56
September 05, 2025	35.55	35.55	35.55	35.55	35.55
September 04, 2025	35.37	35.37	35.37	35.37	35.37
September 03, 2025	34.95	34.95	34.95	34.95	34.95
September 02, 2025	35.2	35.2	35.2	35.2	35.2
August 29, 2025	35.65	35.65	35.65	35.65	35.65
August 28, 2025	35.82	35.82	35.82	35.82	35.82
August 27, 2025	35.82	35.82	35.82	35.82	35.82
August 26, 2025	35.56	35.56	35.56	35.56	35.56
August 25, 2025	35.34	35.34	35.34	35.34	35.34
August 22, 2025	35.79	35.79	35.79	35.79	35.79
August 21, 2025	34.59	34.59	34.59	34.59	34.59
August 20, 2025	34.43	34.43	34.43	34.43	34.43
August 19, 2025	34.53	34.53	34.53	34.53	34.53
August 18, 2025	34.77	34.77	34.77	34.77	34.77
August 15, 2025	34.56	34.56	34.56	34.56	34.56
August 14, 2025	34.66	34.66	34.66	34.66	34.66
August 13, 2025	35.13	35.13	35.13	35.13	35.13
August 12, 2025	34.44	34.44	34.44	34.44	34.44
August 11, 2025	33.38	33.38	33.38	33.38	33.38
August 08, 2025	33.55	33.55	33.55	33.55	33.55
August 07, 2025	33.42	33.42	33.42	33.42	33.42
August 06, 2025	33.71	33.71	33.71	33.71	33.71
August 05, 2025	33.79	33.79	33.79	33.79	33.79
August 04, 2025	33.72	33.72	33.72	33.72	33.72
August 01, 2025	33.03	33.03	33.03	33.03	33.03
July 31, 2025	33.99	33.99	33.99	33.99	33.99
July 30, 2025	33.99	33.99	33.99	33.99	33.99
July 29, 2025	33.95	33.95	33.95	33.95	33.95
July 28, 2025	34.08	34.08	34.08	34.08	34.08
July 25, 2025	34.01	34.01	34.01	34.01	34.01

William Blair Small Cap Growth Fund Class I (WBSIX) NASDAQ