William Blair International Small Cap Growth Fund Class R6 (WIISX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
15.47
-0.15 (-0.96%)
At close: May 19, 2026
WIISX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| May 19, 2026 | 15.47 | 15.47 | 15.47 | 15.47 | 15.47 | -0.96% |
| May 18, 2026 | 15.62 | 15.62 | 15.62 | 15.62 | 15.62 | -0.32% |
| May 15, 2026 | 15.67 | 15.67 | 15.67 | 15.67 | 15.67 | -2.25% |
| May 14, 2026 | 16.03 | 16.03 | 16.03 | 16.03 | 16.03 | 0.06% |
| May 13, 2026 | 16.02 | 16.02 | 16.02 | 16.02 | 16.02 | 0.12% |
| May 12, 2026 | 16.00 | 16.00 | 16.00 | 16.00 | 16.00 | -0.74% |
| May 11, 2026 | 16.12 | 16.12 | 16.12 | 16.12 | 16.12 | 0.75% |
| May 8, 2026 | 16.00 | 16.00 | 16.00 | 16.00 | 16.00 | -0.31% |
| May 7, 2026 | 16.05 | 16.05 | 16.05 | 16.05 | 16.05 | 0.31% |
| May 6, 2026 | 16.00 | 16.00 | 16.00 | 16.00 | 16.00 | 1.78% |
| May 5, 2026 | 15.72 | 15.72 | 15.72 | 15.72 | 15.72 | 0.32% |
| May 4, 2026 | 15.67 | 15.67 | 15.67 | 15.67 | 15.67 | 0.26% |
| May 1, 2026 | 15.63 | 15.63 | 15.63 | 15.63 | 15.63 | -0.32% |
| Apr 30, 2026 | 15.68 | 15.68 | 15.68 | 15.68 | 15.68 | 1.10% |
| Apr 29, 2026 | 15.51 | 15.51 | 15.51 | 15.51 | 15.51 | -0.19% |
| Apr 28, 2026 | 15.54 | 15.54 | 15.54 | 15.54 | 15.54 | -0.45% |
| Apr 27, 2026 | 15.61 | 15.61 | 15.61 | 15.61 | 15.61 | 0.13% |
| Apr 24, 2026 | 15.59 | 15.59 | 15.59 | 15.59 | 15.59 | 0.32% |
| Apr 23, 2026 | 15.54 | 15.54 | 15.54 | 15.54 | 15.54 | -0.70% |
| Apr 22, 2026 | 15.65 | 15.65 | 15.65 | 15.65 | 15.65 | 0.13% |
| Apr 21, 2026 | 15.63 | 15.63 | 15.63 | 15.63 | 15.63 | -0.38% |
| Apr 20, 2026 | 15.69 | 15.69 | 15.69 | 15.69 | 15.69 | - |
| Apr 17, 2026 | 15.69 | 15.69 | 15.69 | 15.69 | 15.69 | 1.03% |
| Apr 16, 2026 | 15.53 | 15.53 | 15.53 | 15.53 | 15.53 | 0.84% |
| Apr 15, 2026 | 15.40 | 15.40 | 15.40 | 15.40 | 15.40 | 0.65% |
| Apr 14, 2026 | 15.30 | 15.30 | 15.30 | 15.30 | 15.30 | 0.13% |
| Apr 13, 2026 | 15.28 | 15.28 | 15.28 | 15.28 | 15.28 | 1.26% |
| Apr 10, 2026 | 15.09 | 15.09 | 15.09 | 15.09 | 15.09 | 0.73% |
| Apr 9, 2026 | 14.98 | 14.98 | 14.98 | 14.98 | 14.98 | 0.54% |
| Apr 8, 2026 | 14.90 | 14.90 | 14.90 | 14.90 | 14.90 | 4.63% |
| Apr 7, 2026 | 14.24 | 14.24 | 14.24 | 14.24 | 14.24 | 0.71% |
| Apr 6, 2026 | 14.14 | 14.14 | 14.14 | 14.14 | 14.14 | 0.50% |
| Apr 2, 2026 | 14.07 | 14.07 | 14.07 | 14.07 | 14.07 | -1.12% |
| Apr 1, 2026 | 14.23 | 14.23 | 14.23 | 14.23 | 14.23 | 2.08% |
| Mar 31, 2026 | 13.94 | 13.94 | 13.94 | 13.94 | 13.94 | 2.20% |
| Mar 30, 2026 | 13.64 | 13.64 | 13.64 | 13.64 | 13.64 | -1.59% |
| Mar 27, 2026 | 13.86 | 13.86 | 13.86 | 13.86 | 13.86 | -0.86% |
| Mar 26, 2026 | 13.98 | 13.98 | 13.98 | 13.98 | 13.98 | -1.41% |
| Mar 25, 2026 | 14.18 | 14.18 | 14.18 | 14.18 | 14.18 | 2.24% |
| Mar 24, 2026 | 13.87 | 13.87 | 13.87 | 13.87 | 13.87 | 0.43% |
| Mar 23, 2026 | 13.81 | 13.81 | 13.81 | 13.81 | 13.81 | 0.58% |
| Mar 20, 2026 | 13.73 | 13.73 | 13.73 | 13.73 | 13.73 | -2.76% |
| Mar 19, 2026 | 14.12 | 14.12 | 14.12 | 14.12 | 14.12 | -0.35% |
| Mar 18, 2026 | 14.17 | 14.17 | 14.17 | 14.17 | 14.17 | -0.35% |
| Mar 17, 2026 | 14.22 | 14.22 | 14.22 | 14.22 | 14.22 | 1.14% |
| Mar 16, 2026 | 14.06 | 14.06 | 14.06 | 14.06 | 14.06 | 0.57% |
| Mar 13, 2026 | 13.98 | 13.98 | 13.98 | 13.98 | 13.98 | -1.48% |
| Mar 12, 2026 | 14.19 | 14.19 | 14.19 | 14.19 | 14.19 | -1.32% |
| Mar 11, 2026 | 14.38 | 14.38 | 14.38 | 14.38 | 14.38 | 0.35% |
| Mar 10, 2026 | 14.33 | 14.33 | 14.33 | 14.33 | 14.33 | 0.56% |