Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
594.90
+1.26 (0.21%)
Jul 28, 2026, 4:00 PM EST
VIIIX Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| Jul 28, 2026 | 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% |
| Jun 26, 2026 | 588.52 | 588.52 | 588.52 | 588.52 | 588.52 | -0.04% |
| Jun 25, 2026 | 588.78 | 588.78 | 588.78 | 588.78 | 588.78 | -0.01% |
| Jun 24, 2026 | 588.81 | 588.81 | 588.81 | 588.81 | 588.81 | -0.10% |
| Jun 23, 2026 | 591.20 | 591.20 | 591.20 | 591.20 | 589.39 | -1.44% |
| Jun 22, 2026 | 599.81 | 599.81 | 599.81 | 599.81 | 597.97 | -0.37% |
| Jun 18, 2026 | 602.01 | 602.01 | 602.01 | 602.01 | 600.16 | 1.09% |
| Jun 17, 2026 | 595.54 | 595.54 | 595.54 | 595.54 | 593.71 | -1.21% |
| Jun 16, 2026 | 602.86 | 602.86 | 602.86 | 602.86 | 601.01 | -0.57% |
| Jun 15, 2026 | 606.29 | 606.29 | 606.29 | 606.29 | 604.43 | 1.68% |
| Jun 12, 2026 | 596.29 | 596.29 | 596.29 | 596.29 | 594.46 | 0.51% |
| Jun 11, 2026 | 593.28 | 593.28 | 593.28 | 593.28 | 591.46 | 1.75% |
| Jun 10, 2026 | 583.06 | 583.06 | 583.06 | 583.06 | 581.27 | -1.62% |
| Jun 9, 2026 | 592.65 | 592.65 | 592.65 | 592.65 | 590.83 | -0.25% |
| Jun 8, 2026 | 594.16 | 594.16 | 594.16 | 594.16 | 592.34 | 0.30% |
| Jun 5, 2026 | 592.37 | 592.37 | 592.37 | 592.37 | 590.55 | -2.63% |
| Jun 4, 2026 | 608.38 | 608.38 | 608.38 | 608.38 | 606.51 | 0.42% |
| Jun 3, 2026 | 605.81 | 605.81 | 605.81 | 605.81 | 603.95 | -0.74% |
| Jun 2, 2026 | 610.30 | 610.30 | 610.30 | 610.30 | 608.43 | 0.13% |
| Jun 1, 2026 | 609.49 | 609.49 | 609.49 | 609.49 | 607.62 | 0.27% |
| May 29, 2026 | 607.85 | 607.85 | 607.85 | 607.85 | 605.99 | 0.22% |
| May 28, 2026 | 606.50 | 606.50 | 606.50 | 606.50 | 604.64 | 0.58% |
| May 27, 2026 | 603.02 | 603.02 | 603.02 | 603.02 | 601.17 | 0.02% |
| May 26, 2026 | 602.92 | 602.92 | 602.92 | 602.92 | 601.07 | 0.62% |
| May 22, 2026 | 599.22 | 599.22 | 599.22 | 599.22 | 597.38 | 0.38% |
| May 21, 2026 | 596.96 | 596.96 | 596.96 | 596.96 | 595.13 | 0.18% |
| May 20, 2026 | 595.87 | 595.87 | 595.87 | 595.87 | 594.04 | 1.08% |
| May 19, 2026 | 589.49 | 589.49 | 589.49 | 589.49 | 587.68 | -0.66% |
| May 18, 2026 | 593.42 | 593.42 | 593.42 | 593.42 | 591.60 | -0.07% |
| May 15, 2026 | 593.82 | 593.82 | 593.82 | 593.82 | 592.00 | -1.22% |