Vanguard Institutional Index Instl Pl (VIIIX)
NASDAQ · Mutual Fund · Delayed Price · Currency is USD
552.07
-4.05 (-0.73%)
At close: Dec 31, 2025
VIIIX Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change |
|---|---|---|---|---|---|---|
| Dec 31, 2025 | 552.07 | 552.07 | 552.07 | 552.07 | 552.07 | -0.73% |
| Dec 30, 2025 | 556.12 | 556.12 | 556.12 | 556.12 | 556.12 | -0.14% |
| Dec 29, 2025 | 556.88 | 556.88 | 556.88 | 556.88 | 556.88 | -0.35% |
| Dec 26, 2025 | 558.82 | 558.82 | 558.82 | 558.82 | 558.82 | -0.02% |
| Dec 24, 2025 | 558.94 | 558.94 | 558.94 | 558.94 | 558.94 | 0.32% |
| Dec 23, 2025 | 557.14 | 557.14 | 557.14 | 557.14 | 557.14 | -0.63% |
| Dec 22, 2025 | 554.59 | 554.59 | 554.59 | 560.70 | 554.59 | 0.65% |
| Dec 19, 2025 | 551.01 | 551.01 | 551.01 | 557.08 | 551.01 | 0.88% |
| Dec 18, 2025 | 546.18 | 546.18 | 546.18 | 552.20 | 546.18 | 0.80% |
| Dec 17, 2025 | 541.87 | 541.87 | 541.87 | 547.84 | 541.87 | -1.16% |
| Dec 16, 2025 | 548.22 | 548.22 | 548.22 | 554.26 | 548.22 | -0.23% |
| Dec 15, 2025 | 549.51 | 549.51 | 549.51 | 555.56 | 549.51 | -0.14% |
| Dec 12, 2025 | 550.30 | 550.30 | 550.30 | 556.36 | 550.30 | -1.06% |
| Dec 11, 2025 | 556.19 | 556.19 | 556.19 | 562.32 | 556.19 | 0.21% |
| Dec 10, 2025 | 555.04 | 555.04 | 555.04 | 561.15 | 555.04 | 0.68% |
| Dec 9, 2025 | 551.30 | 551.30 | 551.30 | 557.37 | 551.30 | -0.09% |
| Dec 8, 2025 | 551.77 | 551.77 | 551.77 | 557.85 | 551.77 | -0.34% |
| Dec 5, 2025 | 553.65 | 553.65 | 553.65 | 559.75 | 553.65 | 0.21% |
| Dec 4, 2025 | 552.50 | 552.50 | 552.50 | 558.58 | 552.49 | 0.11% |
| Dec 3, 2025 | 551.86 | 551.86 | 551.86 | 557.94 | 551.86 | 0.30% |
| Dec 2, 2025 | 550.21 | 550.21 | 550.21 | 556.27 | 550.21 | 0.25% |
| Dec 1, 2025 | 548.85 | 548.85 | 548.85 | 554.89 | 548.84 | -0.52% |
| Nov 28, 2025 | 551.71 | 551.71 | 551.71 | 557.79 | 551.71 | 0.54% |
| Nov 26, 2025 | 548.76 | 548.76 | 548.76 | 554.80 | 548.76 | 0.69% |
| Nov 25, 2025 | 544.99 | 544.99 | 544.99 | 550.99 | 544.99 | 0.91% |
| Nov 24, 2025 | 540.06 | 540.06 | 540.06 | 546.01 | 540.06 | 1.55% |
| Nov 21, 2025 | 531.82 | 531.82 | 531.82 | 537.68 | 531.82 | 0.99% |
| Nov 20, 2025 | 526.61 | 526.61 | 526.61 | 532.41 | 526.61 | -1.54% |
| Nov 19, 2025 | 534.86 | 534.86 | 534.86 | 540.75 | 534.86 | 0.38% |
| Nov 18, 2025 | 532.84 | 532.84 | 532.84 | 538.71 | 532.84 | -0.82% |
| Nov 17, 2025 | 537.24 | 537.24 | 537.24 | 543.16 | 537.24 | -0.91% |
| Nov 14, 2025 | 542.16 | 542.16 | 542.16 | 548.13 | 542.16 | -0.03% |
| Nov 13, 2025 | 542.32 | 542.32 | 542.32 | 548.29 | 542.32 | -1.65% |
| Nov 12, 2025 | 551.43 | 551.43 | 551.43 | 557.50 | 551.43 | 0.07% |
| Nov 11, 2025 | 551.06 | 551.06 | 551.06 | 557.13 | 551.06 | 0.21% |
| Nov 10, 2025 | 549.92 | 549.92 | 549.92 | 555.98 | 549.92 | 1.55% |
| Nov 7, 2025 | 541.52 | 541.52 | 541.52 | 547.48 | 541.52 | 0.14% |
| Nov 6, 2025 | 540.77 | 540.77 | 540.77 | 546.73 | 540.77 | -1.12% |
| Nov 5, 2025 | 546.89 | 546.89 | 546.89 | 552.91 | 546.89 | 0.37% |
| Nov 4, 2025 | 544.89 | 544.89 | 544.89 | 550.89 | 544.89 | -1.17% |
| Nov 3, 2025 | 551.36 | 551.36 | 551.36 | 557.43 | 551.36 | 0.18% |
| Oct 31, 2025 | 550.38 | 550.38 | 550.38 | 556.44 | 550.38 | 0.27% |
| Oct 30, 2025 | 548.90 | 548.90 | 548.90 | 554.95 | 548.90 | -0.99% |
| Oct 29, 2025 | 554.38 | 554.38 | 554.38 | 560.49 | 554.38 | -0.01% |
| Oct 28, 2025 | 554.41 | 554.41 | 554.41 | 560.52 | 554.41 | 0.23% |
| Oct 27, 2025 | 553.14 | 553.14 | 553.14 | 559.23 | 553.14 | 1.23% |
| Oct 24, 2025 | 546.42 | 546.42 | 546.42 | 552.44 | 546.42 | 0.79% |
| Oct 23, 2025 | 542.12 | 542.12 | 542.12 | 548.09 | 542.12 | 0.59% |
| Oct 22, 2025 | 538.96 | 538.96 | 538.96 | 544.90 | 538.96 | -0.53% |
| Oct 21, 2025 | 541.85 | 541.85 | 541.85 | 547.82 | 541.85 | - |