Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
571.82
-2.81 (-0.49%)
Apr 28, 2026, 4:00 PM EST

VIIIX Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChange
Apr 28, 2026571.82571.82571.82571.82--0.49%
Apr 27, 2026574.63574.63574.63574.63574.630.12%
Apr 24, 2026573.92573.92573.92573.92573.920.80%
Apr 23, 2026569.35569.35569.35569.35569.35-0.41%
Apr 22, 2026571.71571.71571.71571.71571.711.05%
Apr 21, 2026565.78565.78565.78565.78565.78-0.64%
Apr 20, 2026569.40569.40569.40569.40569.40-0.23%
Apr 17, 2026570.74570.74570.74570.74570.741.20%
Apr 16, 2026563.95563.95563.95563.95563.950.26%
Apr 15, 2026562.47562.47562.47562.47562.470.80%
Apr 14, 2026557.98557.98557.98557.98557.981.18%
Apr 13, 2026551.47551.47551.47551.47551.471.02%
Apr 10, 2026545.91545.91545.91545.91545.91-0.10%
Apr 9, 2026546.48546.48546.48546.48546.480.62%
Apr 8, 2026543.09543.09543.09543.09543.092.51%
Apr 7, 2026529.81529.81529.81529.81529.810.08%
Apr 6, 2026529.40529.40529.40529.40529.400.45%
Apr 2, 2026527.03527.03527.03527.03527.030.12%
Apr 1, 2026526.40526.40526.40526.40526.400.72%
Mar 31, 2026522.63522.63522.63522.63522.632.92%
Mar 30, 2026507.80507.80507.80507.80507.80-0.39%
Mar 27, 2026509.81509.81509.81509.81509.81-1.67%
Mar 26, 2026518.46518.46518.46518.46518.46-1.74%
Mar 25, 2026527.64527.64527.64527.64527.640.54%
Mar 24, 2026524.78524.78524.78524.78524.78-1.41%
Mar 23, 2026532.27532.27532.27532.27526.751.15%
Mar 20, 2026526.22526.22526.22526.22520.76-1.51%
Mar 19, 2026534.29534.29534.29534.29528.75-0.27%
Mar 18, 2026535.73535.73535.73535.73530.17-1.36%
Mar 17, 2026543.12543.12543.12543.12537.480.25%
Mar 16, 2026541.75541.75541.75541.75536.131.02%
Mar 13, 2026536.26536.26536.26536.26530.70-0.59%
Mar 12, 2026539.46539.46539.46539.46533.86-1.52%
Mar 11, 2026547.78547.78547.78547.78542.10-0.08%
Mar 10, 2026548.22548.22548.22548.22542.53-0.20%
Mar 9, 2026549.33549.33549.33549.33543.630.84%
Mar 6, 2026544.76544.76544.76544.76539.11-1.31%
Mar 5, 2026552.01552.01552.01552.01546.28-0.56%
Mar 4, 2026555.12555.12555.12555.12549.360.78%
Mar 3, 2026550.84550.84550.84550.84545.12-0.94%
Mar 2, 2026556.07556.07556.07556.07550.300.05%
Feb 27, 2026555.80555.80555.80555.80550.03-0.42%
Feb 26, 2026558.17558.17558.17558.17552.38-0.54%
Feb 25, 2026561.18561.18561.18561.18555.360.82%
Feb 24, 2026556.63556.63556.63556.63550.850.77%
Feb 23, 2026552.37552.37552.37552.37546.64-1.04%
Feb 20, 2026558.15558.15558.15558.15552.360.70%
Feb 19, 2026554.29554.29554.29554.29548.54-0.27%
Feb 18, 2026555.78555.78555.78555.78550.010.56%
Feb 17, 2026552.68552.68552.68552.68546.940.12%
Feb 13, 2026552.04552.04552.04552.04546.310.06%
Feb 12, 2026551.69551.69551.69551.69545.96-1.56%
Feb 11, 2026560.42560.42560.42560.42554.60-
Feb 10, 2026560.43560.43560.43560.43554.61-0.32%
Feb 9, 2026562.25562.25562.25562.25556.420.48%
Feb 6, 2026559.58559.58559.58559.58553.771.97%
Feb 5, 2026548.75548.75548.75548.75543.06-1.22%
Feb 4, 2026555.55555.55555.55555.55549.78-0.51%
Feb 3, 2026558.38558.38558.38558.38552.59-0.84%
Feb 2, 2026563.11563.11563.11563.11557.270.54%
Jan 30, 2026560.06560.06560.06560.06554.25-0.42%
Jan 29, 2026562.45562.45562.45562.45556.61-0.13%
Jan 28, 2026563.17563.17563.17563.17557.33-0.01%
Jan 27, 2026563.21563.21563.21563.21557.370.41%
Jan 26, 2026560.92560.92560.92560.92555.100.50%
Jan 23, 2026558.12558.12558.12558.12552.330.04%
Jan 22, 2026557.89557.89557.89557.89552.100.55%
Jan 21, 2026554.84554.84554.84554.84549.081.16%
Jan 20, 2026548.48548.48548.48548.48542.79-2.06%
Jan 16, 2026560.01560.01560.01560.01554.20-0.06%
Jan 15, 2026560.33560.33560.33560.33554.520.26%
Jan 14, 2026558.87558.87558.87558.87553.07-0.53%
Jan 13, 2026561.86561.86561.86561.86556.03-0.19%
Jan 12, 2026562.94562.94562.94562.94557.100.17%
Jan 9, 2026562.01562.01562.01562.01556.180.65%
Jan 8, 2026558.37558.37558.37558.37552.580.01%
Jan 7, 2026558.32558.32558.32558.32552.53-0.34%
Jan 6, 2026560.25560.25560.25560.25554.440.63%
Jan 5, 2026556.76556.76556.76556.76550.980.64%
Jan 2, 2026553.24553.24553.24553.24547.500.21%
Dec 31, 2025552.07552.07552.07552.07546.34-0.73%
Dec 30, 2025556.12556.12556.12556.12550.35-0.14%
Dec 29, 2025556.88556.88556.88556.88551.10-0.35%
Dec 26, 2025558.82558.82558.82558.82553.02-0.02%
Dec 24, 2025558.94558.94558.94558.94553.140.32%
Dec 23, 2025557.14557.14557.14557.14551.36-0.63%
Dec 22, 2025560.70560.70560.70560.70548.860.65%
Dec 19, 2025557.08557.08557.08557.08545.320.88%
Dec 18, 2025552.20552.20552.20552.20540.540.80%
Dec 17, 2025547.84547.84547.84547.84536.28-1.16%
Dec 16, 2025554.26554.26554.26554.26542.56-0.23%
Dec 15, 2025555.56555.56555.56555.56543.83-0.14%
Dec 12, 2025556.36556.36556.36556.36544.62-1.06%
Dec 11, 2025562.32562.32562.32562.32550.450.21%
Dec 10, 2025561.15561.15561.15561.15549.300.68%
Dec 9, 2025557.37557.37557.37557.37545.60-0.09%
Dec 8, 2025557.85557.85557.85557.85546.07-0.34%
Dec 5, 2025559.75559.75559.75559.75547.930.21%
Dec 4, 2025558.58558.58558.58558.58546.790.11%
Dec 3, 2025557.94557.94557.94557.94546.160.30%