Stock listing
NASDAQ:WBIIX William Blair Funds Institutional International Growth Fund Mutual Fund
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Share price · NASDAQ:WBIIX
$15.33 USD -0.05 (-0.3%)
Close on Oct 20, 2026
- Day range
- $15.33 – $15.33 USDOct 20, 2026

Daily closes
Last 3 months, Jul 20, 2026 – Oct 20, 2026 · NASDAQ:WBIIX · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $15.33 | -0.05 | -0.3% | $15.33 | $15.33 | $15.33 | 0 | |
| $15.38 | -0.10 | -0.6% | $15.38 | $15.38 | $15.38 | 0 | |
| $15.48 | +0.15 | +1.0% | $15.48 | $15.48 | $15.48 | 0 | |
| $15.33 | -0.23 | -1.5% | $15.33 | $15.33 | $15.33 | 0 | |
| $15.56 | -0.08 | -0.5% | $15.56 | $15.56 | $15.56 | 0 | |
| $15.64 | -0.14 | -0.9% | $15.64 | $15.64 | $15.64 | 0 | |
| $15.78 | -0.02 | -0.1% | $15.78 | $15.78 | $15.78 | 0 | |
| $15.80 | +0.14 | +0.9% | $15.80 | $15.80 | $15.80 | 0 | |
| $15.66 | -0.19 | -1.2% | $15.66 | $15.66 | $15.66 | 0 | |
| $15.85 | -0.26 | -1.6% | $15.85 | $15.85 | $15.85 | 0 | |
| $16.11 | +0.09 | +0.6% | $16.11 | $16.11 | $16.11 | 0 | |
| $16.02 | +0.19 | +1.2% | $16.02 | $16.02 | $16.02 | 0 | |
| $15.83 | +0.11 | +0.7% | $15.83 | $15.83 | $15.83 | 0 | |
| $15.72 | -0.10 | -0.6% | $15.72 | $15.72 | $15.72 | 0 | |
| $15.82 | -0.05 | -0.3% | $15.82 | $15.82 | $15.82 | 0 | |
| $15.87 | -0.01 | -0.1% | $15.87 | $15.87 | $15.87 | 0 | |
| $15.88 | -0.11 | -0.7% | $15.88 | $15.88 | $15.88 | 0 | |
| $15.99 | +0.14 | +0.9% | $15.99 | $15.99 | $15.99 | 0 | |
| $15.85 | -0.06 | -0.4% | $15.85 | $15.85 | $15.85 | 0 | |
| $15.91 | -0.13 | -0.8% | $15.91 | $15.91 | $15.91 | 0 | |
| $16.04 | +0.07 | +0.4% | $16.04 | $16.04 | $16.04 | 0 | |
| $15.97 | +0.19 | +1.2% | $15.97 | $15.97 | $15.97 | 0 | |
| $15.78 | -0.01 | -0.1% | $15.78 | $15.78 | $15.78 | 0 | |
| $15.79 | +0.17 | +1.1% | $15.79 | $15.79 | $15.79 | 0 | |
| $15.62 | -0.02 | -0.1% | $15.62 | $15.62 | $15.62 | 0 | |
| $15.64 | -0.12 | -0.8% | $15.64 | $15.64 | $15.64 | 0 | |
| $15.76 | -0.23 | -1.4% | $15.76 | $15.76 | $15.76 | 0 | |
| $15.99 | 0.00 | 0.0% | $15.99 | $15.99 | $15.99 | 0 | |
| $15.99 | -0.15 | -0.9% | $15.99 | $15.99 | $15.99 | 0 | |
| $16.14 | -0.13 | -0.8% | $16.14 | $16.14 | $16.14 | 0 | |
| $16.27 | +0.12 | +0.7% | $16.27 | $16.27 | $16.27 | 0 | |
| $16.15 | +0.03 | +0.2% | $16.15 | $16.15 | $16.15 | 0 | |
| $16.12 | +0.17 | +1.1% | $16.12 | $16.12 | $16.12 | 0 | |
| $15.95 | -0.07 | -0.4% | $15.95 | $15.95 | $15.95 | 0 | |
| $16.02 | -0.12 | -0.7% | $16.02 | $16.02 | $16.02 | 0 | |
| $16.14 | -0.06 | -0.4% | $16.14 | $16.14 | $16.14 | 0 | |
| $16.20 | -0.08 | -0.5% | $16.20 | $16.20 | $16.20 | 0 | |
| $16.28 | -0.02 | -0.1% | $16.28 | $16.28 | $16.28 | 0 | |
| $16.30 | 0.00 | 0.0% | $16.30 | $16.30 | $16.30 | 0 | |
| $16.30 | +0.14 | +0.9% | $16.30 | $16.30 | $16.30 | 0 | |
| $16.16 | -0.11 | -0.7% | $16.16 | $16.16 | $16.16 | 0 | |
| $16.27 | +0.14 | +0.9% | $16.27 | $16.27 | $16.27 | 0 | |
| $16.13 | +0.05 | +0.3% | $16.13 | $16.13 | $16.13 | 0 | |
| $16.08 | -0.10 | -0.6% | $16.08 | $16.08 | $16.08 | 0 | |
| $16.18 | -0.26 | -1.6% | $16.18 | $16.18 | $16.18 | 0 | |
| $16.44 | +0.05 | +0.3% | $16.44 | $16.44 | $16.44 | 0 | |
| $16.39 | +0.02 | +0.1% | $16.39 | $16.39 | $16.39 | 0 | |
| $16.37 | +0.04 | +0.2% | $16.37 | $16.37 | $16.37 | 0 | |
| $16.33 | +0.08 | +0.5% | $16.33 | $16.33 | $16.33 | 0 | |
| $16.25 | -0.02 | -0.1% | $16.25 | $16.25 | $16.25 | 0 | |
| $16.27 | 0.00 | 0.0% | $16.27 | $16.27 | $16.27 | 0 | |
| $16.27 | +0.05 | +0.3% | $16.27 | $16.27 | $16.27 | 0 | |
| $16.22 | -0.09 | -0.6% | $16.22 | $16.22 | $16.22 | 0 | |
| $16.31 | +0.20 | +1.2% | $16.31 | $16.31 | $16.31 | 0 | |
| $16.11 | +0.16 | +1.0% | $16.11 | $16.11 | $16.11 | 0 | |
| $15.95 | +0.07 | +0.4% | $15.95 | $15.95 | $15.95 | 0 | |
| $15.88 | -0.03 | -0.2% | $15.88 | $15.88 | $15.88 | 0 | |
| $15.91 | +0.48 | +3.1% | $15.91 | $15.91 | $15.91 | 0 | |
| $15.43 | -0.15 | -1.0% | $15.43 | $15.43 | $15.43 | 0 | |
| $15.58 | -0.30 | -1.9% | $15.58 | $15.58 | $15.58 | 0 | |
| $15.88 | 0.00 | 0.0% | $15.88 | $15.88 | $15.88 | 0 | |
| $15.88 | -0.09 | -0.6% | $15.88 | $15.88 | $15.88 | 0 | |
| $15.97 | -0.12 | -0.7% | $15.97 | $15.97 | $15.97 | 0 | |
| $16.09 | +0.04 | +0.2% | $16.09 | $16.09 | $16.09 | 0 | |
| $16.05 | +0.27 | +1.7% | $16.05 | $16.05 | $16.05 | 0 | |
| $15.78 | -0.08 | -0.5% | $15.78 | $15.78 | $15.78 | 0 |
- Ticker
- NASDAQ:WBIIX
- Asset type
- Fund
- Exchange
- NASDAQ
- Currency
- USD
William Blair Funds Institutional International Growth Fund on 6ix
- What it is
- Mutual fund
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