Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
516.13
+3.73 (0.73%)
Aug 7, 2025, 8:09 AM EDT
VIIIX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| Aug 6, 2025 | 516.13 | 516.13 | 516.13 | 516.13 | 516.13 | 0.73% |
| Aug 5, 2025 | 512.40 | 512.40 | 512.40 | 512.40 | 512.40 | -0.48% |
| Aug 4, 2025 | 514.89 | 514.89 | 514.89 | 514.89 | 514.89 | 1.48% |
| Aug 1, 2025 | 507.40 | 507.40 | 507.40 | 507.40 | 507.40 | -1.60% |
| Jul 31, 2025 | 515.63 | 515.63 | 515.63 | 515.63 | 515.63 | -0.36% |
| Jul 30, 2025 | 517.50 | 517.50 | 517.50 | 517.50 | 517.50 | -0.12% |
| Jul 29, 2025 | 518.14 | 518.14 | 518.14 | 518.14 | 518.14 | -0.30% |
| Jul 28, 2025 | 519.68 | 519.68 | 519.68 | 519.68 | 519.68 | 0.02% |
| Jul 25, 2025 | 519.59 | 519.59 | 519.59 | 519.59 | 519.59 | 0.40% |
| Jul 24, 2025 | 517.50 | 517.50 | 517.50 | 517.50 | 517.50 | 0.07% |
| Jul 23, 2025 | 517.14 | 517.14 | 517.14 | 517.14 | 517.14 | 0.78% |
| Jul 22, 2025 | 513.12 | 513.12 | 513.12 | 513.12 | 513.12 | 0.06% |
| Jul 21, 2025 | 512.79 | 512.79 | 512.79 | 512.79 | 512.79 | 0.14% |
| Jul 18, 2025 | 512.06 | 512.06 | 512.06 | 512.06 | 512.06 | - |
| Jul 17, 2025 | 512.07 | 512.07 | 512.07 | 512.07 | 512.07 | 0.54% |
| Jul 16, 2025 | 509.33 | 509.33 | 509.33 | 509.33 | 509.33 | 0.32% |
| Jul 15, 2025 | 507.71 | 507.71 | 507.71 | 507.71 | 507.71 | -0.39% |
| Jul 14, 2025 | 509.68 | 509.68 | 509.68 | 509.68 | 509.68 | 0.14% |
| Jul 11, 2025 | 508.96 | 508.96 | 508.96 | 508.96 | 508.96 | -0.33% |
| Jul 10, 2025 | 510.65 | 510.65 | 510.65 | 510.65 | 510.65 | 0.29% |
| Jul 9, 2025 | 509.18 | 509.18 | 509.18 | 509.18 | 509.18 | 0.61% |
| Jul 8, 2025 | 506.10 | 506.10 | 506.10 | 506.10 | 506.10 | -0.07% |
| Jul 7, 2025 | 506.46 | 506.46 | 506.46 | 506.46 | 506.46 | -0.79% |
| Jul 3, 2025 | 510.47 | 510.47 | 510.47 | 510.47 | 510.47 | 0.85% |
| Jul 2, 2025 | 506.17 | 506.17 | 506.17 | 506.17 | 506.17 | 0.48% |
| Jul 1, 2025 | 503.76 | 503.76 | 503.76 | 503.76 | 503.76 | -0.11% |
| Jun 30, 2025 | 504.32 | 504.32 | 504.32 | 504.32 | 504.32 | 0.53% |
| Jun 27, 2025 | 501.68 | 501.68 | 501.68 | 501.68 | 501.68 | 0.53% |
| Jun 26, 2025 | 499.04 | 499.04 | 499.04 | 499.04 | 499.04 | 0.49% |
| Jun 25, 2025 | 496.61 | 496.61 | 496.61 | 496.61 | 495.07 | - |
| Jun 24, 2025 | 496.60 | 496.60 | 496.60 | 496.60 | 495.06 | 1.11% |
| Jun 23, 2025 | 491.13 | 491.13 | 491.13 | 491.13 | 489.61 | 0.96% |
| Jun 20, 2025 | 486.45 | 486.45 | 486.45 | 486.45 | 484.94 | -0.21% |
| Jun 18, 2025 | 487.48 | 487.48 | 487.48 | 487.48 | 485.97 | -0.03% |
| Jun 17, 2025 | 487.62 | 487.62 | 487.62 | 487.62 | 486.11 | -0.83% |
| Jun 16, 2025 | 491.71 | 491.71 | 491.71 | 491.71 | 490.19 | 0.95% |
| Jun 13, 2025 | 487.06 | 487.06 | 487.06 | 487.06 | 485.55 | -1.11% |
| Jun 12, 2025 | 492.54 | 492.54 | 492.54 | 492.54 | 491.01 | 0.38% |
| Jun 11, 2025 | 490.66 | 490.66 | 490.66 | 490.66 | 489.14 | -0.27% |
| Jun 10, 2025 | 492.00 | 492.00 | 492.00 | 492.00 | 490.47 | 0.55% |
| Jun 9, 2025 | 489.30 | 489.30 | 489.30 | 489.30 | 487.78 | 0.10% |
| Jun 6, 2025 | 488.81 | 488.81 | 488.81 | 488.81 | 487.29 | 1.04% |
| Jun 5, 2025 | 483.78 | 483.78 | 483.78 | 483.78 | 482.28 | -0.52% |
| Jun 4, 2025 | 486.31 | 486.31 | 486.31 | 486.31 | 484.80 | 0.01% |
| Jun 3, 2025 | 486.25 | 486.25 | 486.25 | 486.25 | 484.74 | 0.58% |
| Jun 2, 2025 | 483.44 | 483.44 | 483.44 | 483.44 | 481.94 | 0.42% |
| May 30, 2025 | 481.41 | 481.41 | 481.41 | 481.41 | 479.92 | - |
| May 29, 2025 | 481.41 | 481.41 | 481.41 | 481.41 | 479.92 | 0.40% |
| May 28, 2025 | 479.48 | 479.48 | 479.48 | 479.48 | 477.99 | -0.56% |
| May 27, 2025 | 482.16 | 482.16 | 482.16 | 482.16 | 480.66 | 2.06% |