Vanguard Institutional Index Fund Institutional Plus Shares (MF:VIIIX)

560.33 +1.46 (+0.26%)
Daily Price Updated: 4:00 PM EST, Jan 15, 2026 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Jan 15, 2026 560.33 0 +1.46(+0.26%)
Jan 14, 2026 558.87 0 -2.99(-0.53%)
Jan 13, 2026 561.86 0 -1.08(-0.19%)
Jan 12, 2026 562.94 0 +0.93(+0.17%)
Jan 09, 2026 562.01 0 +3.64(+0.65%)
Jan 08, 2026 558.37 0 +0.05(+0.01%)
Jan 07, 2026 558.32 0 -1.93(-0.34%)
Jan 06, 2026 560.25 0 +3.49(+0.63%)
Jan 05, 2026 556.76 0 +3.52(+0.64%)
Jan 02, 2026 553.24 553.24 553.24 553.24 0 +1.17(+0.21%)
Dec 31, 2025 552.07 552.07 552.07 552.07 0 -4.05(-0.73%)
Dec 30, 2025 556.12 0 -0.76(-0.14%)
Dec 29, 2025 556.88 0 -0.26(-0.05%)
Dec 23, 2025 557.14 0 -3.56(-0.63%)
Dec 22, 2025 560.70 0 +3.62(+0.65%)
Dec 19, 2025 557.08 0 +4.88(+0.88%)
Dec 18, 2025 552.20 0 +4.36(+0.80%)
Dec 17, 2025 547.84 547.84 547.84 547.84 0 -6.42(-1.16%)
Dec 16, 2025 554.26 0 -1.30(-0.23%)
Dec 15, 2025 555.56 0 -0.80(-0.14%)
Dec 12, 2025 556.36 0 -5.96(-1.06%)
Dec 11, 2025 562.32 0 +1.17(+0.21%)
Dec 10, 2025 561.15 0 +3.78(+0.68%)
Dec 09, 2025 557.37 0 -0.48(-0.09%)
Dec 08, 2025 557.85 0 -1.90(-0.34%)
Dec 05, 2025 559.75 0 +1.17(+0.21%)
Dec 04, 2025 558.58 0 +0.64(+0.11%)
Dec 03, 2025 557.94 0 +1.67(+0.30%)
Dec 02, 2025 556.27 0 +1.38(+0.25%)
Dec 01, 2025 554.89 0 -2.90(-0.52%)
Nov 28, 2025 557.79 0 +2.99(+0.54%)
Nov 26, 2025 554.80 0 +3.81(+0.69%)
Nov 25, 2025 550.99 0 +4.98(+0.91%)
Nov 24, 2025 546.01 0 +8.33(+1.55%)
Nov 21, 2025 537.68 0 +5.27(+0.99%)
Nov 20, 2025 532.41 0 -8.34(-1.54%)
Nov 19, 2025 540.75 0 +2.04(+0.38%)
Nov 18, 2025 538.71 0 -4.45(-0.82%)
Nov 17, 2025 543.16 0 -4.97(-0.91%)
Nov 14, 2025 548.13 0 -0.16(-0.03%)
Nov 13, 2025 548.29 548.29 548.29 548.29 0 -9.21(-1.65%)
Nov 12, 2025 557.50 557.50 557.50 557.50 0 +0.37(+0.07%)
Nov 11, 2025 557.13 0 +1.15(+0.21%)
Nov 10, 2025 555.98 0 +8.50(+1.55%)
Nov 07, 2025 547.48 0 +0.75(+0.14%)
Nov 06, 2025 546.73 0 -6.18(-1.12%)
Nov 05, 2025 552.91 0 +2.02(+0.37%)
Nov 04, 2025 550.89 0 -6.54(-1.17%)
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