Vanguard Institutional Index Instl Pl (VIIIX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
612.41
-1.49 (-0.24%)
Oct 1, 2026, 8:10 AM EST
VIIIX Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | 613.90 | 613.90 | 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% |
| Aug 11, 2026 | 619.06 | 619.06 | 619.06 | 619.06 | 617.45 | -0.32% |
| Aug 10, 2026 | 621.04 | 621.04 | 621.04 | 621.04 | 619.43 | -0.05% |
| Aug 7, 2026 | 621.34 | 621.34 | 621.34 | 621.34 | 619.73 | 0.62% |
| Aug 6, 2026 | 617.49 | 617.49 | 617.49 | 617.49 | 615.89 | -0.18% |
| Aug 5, 2026 | 618.58 | 618.58 | 618.58 | 618.58 | 616.97 | -0.17% |
| Aug 4, 2026 | 619.62 | 619.62 | 619.62 | 619.62 | 618.01 | 1.79% |
| Aug 3, 2026 | 608.72 | 608.72 | 608.72 | 608.72 | 607.14 | 1.49% |
| Jul 31, 2026 | 599.81 | 599.81 | 599.81 | 599.81 | 598.25 | 0.71% |
| Jul 30, 2026 | 595.61 | 595.61 | 595.61 | 595.61 | 594.06 | 1.66% |
| Jul 29, 2026 | 585.88 | 585.88 | 585.88 | 585.88 | 584.36 | -1.52% |
| Jul 28, 2026 | 594.90 | 594.90 | 594.90 | 594.90 | 593.36 | 0.21% |
| Jul 27, 2026 | 593.64 | 593.64 | 593.64 | 593.64 | 592.10 | 0.02% |
| Jul 24, 2026 | 593.54 | 593.54 | 593.54 | 593.54 | 592.00 | 0.06% |
| Jul 23, 2026 | 593.19 | 593.19 | 593.19 | 593.19 | 591.65 | -1.21% |
| Jul 22, 2026 | 600.44 | 600.44 | 600.44 | 600.44 | 598.88 | -0.13% |