Vanguard Institutional Index Instl Pl (VIIIX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
615.35
-3.60 (-0.58%)
Sep 8, 2026, 4:00 PM EST
VIIIX Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | 618.95 | 618.95 | 615.35 | 615.35 | - | -0.58% |
| Sep 4, 2026 | 618.95 | 618.95 | 618.95 | 618.95 | 618.95 | -0.36% |
| Sep 3, 2026 | 621.19 | 621.19 | 621.19 | 621.19 | 621.19 | 1.07% |
| Sep 2, 2026 | 614.64 | 614.64 | 614.64 | 614.64 | 614.64 | 0.46% |
| Sep 1, 2026 | 611.82 | 611.82 | 611.82 | 611.82 | 611.82 | -0.70% |
| Aug 31, 2026 | 616.14 | 616.14 | 616.14 | 616.14 | 616.14 | -0.33% |
| Aug 28, 2026 | 618.17 | 618.17 | 618.17 | 618.17 | 618.17 | -0.25% |
| Aug 27, 2026 | 619.69 | 619.69 | 619.69 | 619.69 | 619.69 | 0.72% |
| Aug 26, 2026 | 615.26 | 615.26 | 615.26 | 615.26 | 615.26 | -0.02% |
| Aug 25, 2026 | 615.38 | 615.38 | 615.38 | 615.38 | 615.38 | 0.32% |
| Aug 24, 2026 | 613.39 | 613.39 | 613.39 | 613.39 | 613.39 | -0.28% |
| Aug 21, 2026 | 615.10 | 615.10 | 615.10 | 615.10 | 615.10 | 0.44% |
| Aug 20, 2026 | 612.41 | 612.41 | 612.41 | 612.41 | 612.41 | -0.85% |
| Aug 19, 2026 | 617.69 | 617.69 | 617.69 | 617.69 | 617.69 | 0.22% |
| Aug 18, 2026 | 616.34 | 616.34 | 616.34 | 616.34 | 616.34 | -0.69% |
| Aug 17, 2026 | 620.60 | 620.60 | 620.60 | 620.60 | 620.60 | -0.51% |
| Aug 14, 2026 | 623.78 | 623.78 | 623.78 | 623.78 | 623.78 | -0.16% |
| Aug 13, 2026 | 624.77 | 624.77 | 624.77 | 624.77 | 624.77 | 0.65% |
| Aug 12, 2026 | 620.71 | 620.71 | 620.71 | 620.71 | 620.71 | 0.27% |
| Aug 11, 2026 | 619.06 | 619.06 | 619.06 | 619.06 | 619.06 | -0.32% |
| Aug 10, 2026 | 621.04 | 621.04 | 621.04 | 621.04 | 621.04 | -0.05% |
| Aug 7, 2026 | 621.34 | 621.34 | 621.34 | 621.34 | 621.34 | 0.62% |
| Aug 6, 2026 | 617.49 | 617.49 | 617.49 | 617.49 | 617.49 | -0.18% |
| Aug 5, 2026 | 618.58 | 618.58 | 618.58 | 618.58 | 618.58 | -0.17% |
| Aug 4, 2026 | 619.62 | 619.62 | 619.62 | 619.62 | 619.62 | 1.79% |
| Aug 3, 2026 | 608.72 | 608.72 | 608.72 | 608.72 | 608.72 | 1.49% |
| Jul 31, 2026 | 599.81 | 599.81 | 599.81 | 599.81 | 599.81 | 0.71% |
| Jul 30, 2026 | 595.61 | 595.61 | 595.61 | 595.61 | 595.61 | 1.66% |
| Jul 29, 2026 | 585.88 | 585.88 | 585.88 | 585.88 | 585.88 | -1.52% |
| Jul 28, 2026 | 594.90 | 594.90 | 594.90 | 594.90 | 594.90 | 0.21% |
| Jul 27, 2026 | 593.64 | 593.64 | 593.64 | 593.64 | 593.64 | 0.02% |
| Jul 24, 2026 | 593.54 | 593.54 | 593.54 | 593.54 | 593.54 | 0.06% |
| Jul 23, 2026 | 593.19 | 593.19 | 593.19 | 593.19 | 593.19 | -1.21% |
| Jul 22, 2026 | 600.44 | 600.44 | 600.44 | 600.44 | 600.44 | -0.13% |
| Jul 21, 2026 | 601.25 | 601.25 | 601.25 | 601.25 | 601.25 | 0.89% |
| Jul 20, 2026 | 595.97 | 595.97 | 595.97 | 595.97 | 595.97 | -0.19% |
| Jul 17, 2026 | 597.11 | 597.11 | 597.11 | 597.11 | 597.11 | -1.01% |
| Jul 16, 2026 | 603.19 | 603.19 | 603.19 | 603.19 | 603.19 | -0.51% |
| Jul 15, 2026 | 606.28 | 606.28 | 606.28 | 606.28 | 606.28 | 0.39% |
| Jul 14, 2026 | 603.94 | 603.94 | 603.94 | 603.94 | 603.94 | 0.38% |
| Jul 13, 2026 | 601.67 | 601.67 | 601.67 | 601.67 | 601.67 | -0.79% |
| Jul 10, 2026 | 606.48 | 606.48 | 606.48 | 606.48 | 606.48 | 0.43% |
| Jul 9, 2026 | 603.88 | 603.88 | 603.88 | 603.88 | 603.88 | 0.82% |
| Jul 8, 2026 | 598.98 | 598.98 | 598.98 | 598.98 | 598.98 | -0.28% |
| Jul 7, 2026 | 600.67 | 600.67 | 600.67 | 600.67 | 600.67 | -0.45% |
| Jul 6, 2026 | 603.36 | 603.36 | 603.36 | 603.36 | 603.36 | 0.73% |
| Jul 2, 2026 | 598.96 | 598.96 | 598.96 | 598.96 | 598.96 | - |
| Jul 1, 2026 | 598.94 | 598.94 | 598.94 | 598.94 | 598.94 | -0.21% |
| Jun 30, 2026 | 600.21 | 600.21 | 600.21 | 600.21 | 600.21 | 0.80% |
| Jun 29, 2026 | 595.43 | 595.43 | 595.43 | 595.43 | 595.43 | 1.17% |