Vanguard Institutional Index Instl Pl (VIIIX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
528.04
-1.60 (-0.30%)
Sep 5, 2025, 4:00 PM EDT
VIIIX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| Sep 5, 2025 | 528.04 | 528.04 | 528.04 | 528.04 | - | -0.30% |
| Sep 4, 2025 | 529.64 | 529.64 | 529.64 | 529.64 | 529.64 | 0.84% |
| Sep 3, 2025 | 525.21 | 525.21 | 525.21 | 525.21 | 525.21 | 0.51% |
| Sep 2, 2025 | 522.54 | 522.54 | 522.54 | 522.54 | 522.54 | -0.67% |
| Aug 29, 2025 | 526.08 | 526.08 | 526.08 | 526.08 | 526.08 | -0.63% |
| Aug 28, 2025 | 529.42 | 529.42 | 529.42 | 529.42 | 529.42 | 0.32% |
| Aug 27, 2025 | 527.74 | 527.74 | 527.74 | 527.74 | 527.74 | 0.24% |
| Aug 26, 2025 | 526.48 | 526.48 | 526.48 | 526.48 | 526.48 | 0.42% |
| Aug 25, 2025 | 524.28 | 524.28 | 524.28 | 524.28 | 524.28 | -0.42% |
| Aug 22, 2025 | 526.51 | 526.51 | 526.51 | 526.51 | 526.51 | 1.52% |
| Aug 21, 2025 | 518.62 | 518.62 | 518.62 | 518.62 | 518.62 | -0.39% |
| Aug 20, 2025 | 520.63 | 520.63 | 520.63 | 520.63 | 520.63 | -0.24% |
| Aug 19, 2025 | 521.89 | 521.89 | 521.89 | 521.89 | 521.89 | -0.58% |
| Aug 18, 2025 | 524.92 | 524.92 | 524.92 | 524.92 | 524.92 | - |
| Aug 15, 2025 | 524.94 | 524.94 | 524.94 | 524.94 | 524.94 | -0.27% |
| Aug 14, 2025 | 526.34 | 526.34 | 526.34 | 526.34 | 526.34 | 0.03% |
| Aug 13, 2025 | 526.17 | 526.17 | 526.17 | 526.17 | 526.17 | 0.33% |
| Aug 12, 2025 | 524.45 | 524.45 | 524.45 | 524.45 | 524.45 | 1.14% |
| Aug 11, 2025 | 518.56 | 518.56 | 518.56 | 518.56 | 518.56 | -0.24% |
| Aug 8, 2025 | 519.81 | 519.81 | 519.81 | 519.81 | 519.81 | 0.79% |
| Aug 7, 2025 | 515.74 | 515.74 | 515.74 | 515.74 | 515.74 | -0.08% |
| 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% |