Vanguard Institutional Index Instl Pl (VIIIX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
621.15
+3.57 (0.58%)
Oct 21, 2026, 4:00 PM EDT
VIIIX Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| Oct 21, 2026 | 621.15 | 621.15 | 621.15 | 621.15 | 621.15 | 0.58% |
| Oct 20, 2026 | 617.58 | 617.58 | 617.58 | 617.58 | 617.58 | 0.29% |
| Oct 19, 2026 | 615.82 | 615.82 | 615.82 | 615.82 | 615.82 | 0.41% |
| Oct 16, 2026 | 613.32 | 613.32 | 613.32 | 613.32 | 613.32 | -1.09% |
| Oct 15, 2026 | 620.09 | 620.09 | 620.09 | 620.09 | 620.09 | 0.33% |
| Oct 14, 2026 | 618.04 | 618.04 | 618.04 | 618.04 | 618.04 | -1.11% |
| Oct 13, 2026 | 624.96 | 624.96 | 624.96 | 624.96 | 624.96 | -0.02% |
| Oct 12, 2026 | 625.09 | 625.09 | 625.09 | 625.09 | 625.09 | -0.05% |
| Oct 9, 2026 | 625.43 | 625.43 | 625.43 | 625.43 | 625.43 | 0.61% |
| Oct 8, 2026 | 621.66 | 621.66 | 621.66 | 621.66 | 621.66 | -0.47% |
| Oct 7, 2026 | 624.57 | 624.57 | 624.57 | 624.57 | 624.57 | -0.22% |
| Oct 6, 2026 | 625.93 | 625.93 | 625.93 | 625.93 | 625.93 | 0.58% |
| Oct 5, 2026 | 622.29 | 622.29 | 622.29 | 622.29 | 622.29 | 0.66% |
| Oct 2, 2026 | 618.18 | 618.18 | 618.18 | 618.18 | 618.18 | 0.74% |
| Oct 1, 2026 | 613.62 | 613.62 | 613.62 | 613.62 | 613.62 | 0.20% |
| Sep 30, 2026 | 612.41 | 612.41 | 612.41 | 612.41 | 612.41 | -0.24% |
| Sep 29, 2026 | 613.90 | 613.90 | 613.90 | 613.90 | 613.90 | -0.17% |
| Sep 28, 2026 | 614.93 | 614.93 | 614.93 | 614.93 | 614.93 | -0.77% |
| Sep 25, 2026 | 619.71 | 619.71 | 619.71 | 619.71 | 619.71 | 0.51% |
| Sep 24, 2026 | 616.56 | 616.56 | 616.56 | 616.56 | 616.56 | -0.02% |
| Sep 23, 2026 | 616.70 | 616.70 | 616.70 | 616.70 | 616.70 | -0.75% |
| Sep 22, 2026 | 623.00 | 623.00 | 623.00 | 623.00 | 621.38 | - |
| Sep 21, 2026 | 623.01 | 623.01 | 623.01 | 623.01 | 621.39 | 1.50% |
| Sep 18, 2026 | 613.79 | 613.79 | 613.79 | 613.79 | 612.20 | 0.17% |
| Sep 17, 2026 | 612.77 | 612.77 | 612.77 | 612.77 | 611.18 | 1.14% |
| Sep 16, 2026 | 605.85 | 605.85 | 605.85 | 605.85 | 604.28 | -0.44% |
| Sep 15, 2026 | 608.55 | 608.55 | 608.55 | 608.55 | 606.97 | -0.43% |
| Sep 14, 2026 | 611.20 | 611.20 | 611.20 | 611.20 | 609.61 | -0.48% |
| Sep 11, 2026 | 614.14 | 614.14 | 614.14 | 614.14 | 612.55 | 0.86% |
| Sep 10, 2026 | 608.88 | 608.88 | 608.88 | 608.88 | 607.30 | -0.57% |
| Sep 9, 2026 | 612.39 | 612.39 | 612.39 | 612.39 | 610.80 | -0.48% |
| Sep 8, 2026 | 615.35 | 615.35 | 615.35 | 615.35 | 613.75 | -0.58% |
| Sep 4, 2026 | 618.95 | 618.95 | 618.95 | 618.95 | 617.34 | -0.36% |
| Sep 3, 2026 | 621.19 | 621.19 | 621.19 | 621.19 | 619.58 | 1.07% |
| Sep 2, 2026 | 614.64 | 614.64 | 614.64 | 614.64 | 613.04 | 0.46% |
| Sep 1, 2026 | 611.82 | 611.82 | 611.82 | 611.82 | 610.23 | -0.70% |
| Aug 31, 2026 | 616.14 | 616.14 | 616.14 | 616.14 | 614.54 | -0.33% |
| Aug 28, 2026 | 618.17 | 618.17 | 618.17 | 618.17 | 616.57 | -0.25% |
| Aug 27, 2026 | 619.69 | 619.69 | 619.69 | 619.69 | 618.08 | 0.72% |
| Aug 26, 2026 | 615.26 | 615.26 | 615.26 | 615.26 | 613.66 | -0.02% |
| Aug 25, 2026 | 615.38 | 615.38 | 615.38 | 615.38 | 613.78 | 0.32% |
| Aug 24, 2026 | 613.39 | 613.39 | 613.39 | 613.39 | 611.80 | -0.28% |
| Aug 21, 2026 | 615.10 | 615.10 | 615.10 | 615.10 | 613.50 | 0.44% |
| Aug 20, 2026 | 612.41 | 612.41 | 612.41 | 612.41 | 610.82 | -0.85% |
| Aug 19, 2026 | 617.69 | 617.69 | 617.69 | 617.69 | 616.09 | 0.22% |
| Aug 18, 2026 | 616.34 | 616.34 | 616.34 | 616.34 | 614.74 | -0.69% |
| Aug 17, 2026 | 620.60 | 620.60 | 620.60 | 620.60 | 618.99 | -0.51% |
| Aug 14, 2026 | 623.78 | 623.78 | 623.78 | 623.78 | 622.16 | -0.16% |
| Aug 13, 2026 | 624.77 | 624.77 | 624.77 | 624.77 | 623.15 | 0.65% |
| Aug 12, 2026 | 620.71 | 620.71 | 620.71 | 620.71 | 619.10 | 0.27% |