William Blair Small Cap Growth Fund Class I (WBSIX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
40.37
+1.09 (2.77%)
Jun 18, 2026, 4:00 PM EST
WBSIX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| Jun 18, 2026 | 39.28 | 39.28 | 39.28 | 39.28 | - | - |
| Jun 17, 2026 | 39.28 | 39.28 | 39.28 | 39.28 | 39.28 | -1.18% |
| Jun 16, 2026 | 39.75 | 39.75 | 39.75 | 39.75 | 39.75 | -0.18% |
| Jun 15, 2026 | 39.82 | 39.82 | 39.82 | 39.82 | 39.82 | 1.04% |
| Jun 12, 2026 | 39.41 | 39.41 | 39.41 | 39.41 | 39.41 | 0.54% |
| Jun 11, 2026 | 39.20 | 39.20 | 39.20 | 39.20 | 39.20 | 3.19% |
| Jun 10, 2026 | 37.99 | 37.99 | 37.99 | 37.99 | 37.99 | -1.91% |
| Jun 9, 2026 | 38.73 | 38.73 | 38.73 | 38.73 | 38.73 | 0.75% |
| Jun 8, 2026 | 38.44 | 38.44 | 38.44 | 38.44 | 38.44 | 0.65% |
| Jun 5, 2026 | 38.19 | 38.19 | 38.19 | 38.19 | 38.19 | -3.41% |
| Jun 4, 2026 | 39.54 | 39.54 | 39.54 | 39.54 | 39.54 | 0.92% |
| Jun 3, 2026 | 39.18 | 39.18 | 39.18 | 39.18 | 39.18 | -0.43% |
| Jun 2, 2026 | 39.35 | 39.35 | 39.35 | 39.35 | 39.35 | 1.44% |
| Jun 1, 2026 | 38.79 | 38.79 | 38.79 | 38.79 | 38.79 | -0.03% |
| May 29, 2026 | 38.80 | 38.80 | 38.80 | 38.80 | 38.80 | -0.56% |
| May 28, 2026 | 39.02 | 39.02 | 39.02 | 39.02 | 39.02 | 1.06% |
| May 27, 2026 | 38.61 | 38.61 | 38.61 | 38.61 | 38.61 | -0.59% |
| May 26, 2026 | 38.84 | 38.84 | 38.84 | 38.84 | 38.84 | 2.10% |
| May 22, 2026 | 38.04 | 38.04 | 38.04 | 38.04 | 38.04 | 1.09% |
| May 21, 2026 | 37.63 | 37.63 | 37.63 | 37.63 | 37.63 | 0.75% |
| May 20, 2026 | 37.35 | 37.35 | 37.35 | 37.35 | 37.35 | 2.86% |
| May 19, 2026 | 36.31 | 36.31 | 36.31 | 36.31 | 36.31 | -1.14% |
| May 18, 2026 | 36.73 | 36.73 | 36.73 | 36.73 | 36.73 | -0.84% |
| May 15, 2026 | 37.04 | 37.04 | 37.04 | 37.04 | 37.04 | -2.32% |
| May 14, 2026 | 37.92 | 37.92 | 37.92 | 37.92 | 37.92 | 0.66% |
| May 13, 2026 | 37.67 | 37.67 | 37.67 | 37.67 | 37.67 | -0.19% |
| May 12, 2026 | 37.74 | 37.74 | 37.74 | 37.74 | 37.74 | -0.47% |
| May 11, 2026 | 37.92 | 37.92 | 37.92 | 37.92 | 37.92 | -0.03% |
| May 8, 2026 | 37.93 | 37.93 | 37.93 | 37.93 | 37.93 | 0.80% |
| May 7, 2026 | 37.63 | 37.63 | 37.63 | 37.63 | 37.63 | -1.26% |
| May 6, 2026 | 38.11 | 38.11 | 38.11 | 38.11 | 38.11 | 1.14% |
| May 5, 2026 | 37.68 | 37.68 | 37.68 | 37.68 | 37.68 | 1.15% |
| May 4, 2026 | 37.25 | 37.25 | 37.25 | 37.25 | 37.25 | -0.67% |
| May 1, 2026 | 37.50 | 37.50 | 37.50 | 37.50 | 37.50 | 0.19% |
| Apr 30, 2026 | 37.43 | 37.43 | 37.43 | 37.43 | 37.43 | 2.66% |
| Apr 29, 2026 | 36.46 | 36.46 | 36.46 | 36.46 | 36.46 | -0.57% |
| Apr 28, 2026 | 36.67 | 36.67 | 36.67 | 36.67 | 36.67 | -1.74% |
| Apr 27, 2026 | 37.32 | 37.32 | 37.32 | 37.32 | 37.32 | -0.56% |
| Apr 24, 2026 | 37.53 | 37.53 | 37.53 | 37.53 | 37.53 | 1.02% |
| Apr 23, 2026 | 37.15 | 37.15 | 37.15 | 37.15 | 37.15 | -0.64% |
| Apr 22, 2026 | 37.39 | 37.39 | 37.39 | 37.39 | 37.39 | 0.94% |
| Apr 21, 2026 | 37.04 | 37.04 | 37.04 | 37.04 | 37.04 | -0.99% |
| Apr 20, 2026 | 37.41 | 37.41 | 37.41 | 37.41 | 37.41 | 0.59% |
| Apr 17, 2026 | 37.19 | 37.19 | 37.19 | 37.19 | 37.19 | 2.73% |
| Apr 16, 2026 | 36.20 | 36.20 | 36.20 | 36.20 | 36.20 | 0.03% |
| Apr 15, 2026 | 36.19 | 36.19 | 36.19 | 36.19 | 36.19 | -0.44% |
| Apr 14, 2026 | 36.35 | 36.35 | 36.35 | 36.35 | 36.35 | 1.59% |
| Apr 13, 2026 | 35.78 | 35.78 | 35.78 | 35.78 | 35.78 | 1.85% |
| Apr 10, 2026 | 35.13 | 35.13 | 35.13 | 35.13 | 35.13 | -0.59% |
| Apr 9, 2026 | 35.34 | 35.34 | 35.34 | 35.34 | 35.34 | 0.51% |