Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) NASDAQ

Currency In USD

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VIIIX Historical Return

If you invested $1000 in Vanguard Institutional Index Fund (VIIIX) 10 years ago, it would be worth $4,146.87 as of October 01, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,873.21, while $1000 invested 1 year ago would be worth $1,146.66. This corresponds to total returns of 314.69%, 87.32%, 14.67%, respectively, with annualized returns of 15.28%, 13.37%, 14.67%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

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VIIIX Historical Data

Date Range:

DateOpenCloseAdj CloseHighLowVolume
September 30, 2026613.9613.9613.9613.9613.90
September 29, 2026614.93614.93614.93614.93614.930
September 28, 2026619.71619.71619.71619.71619.710
September 25, 2026616.56616.56616.56616.56616.560
September 24, 2026616.7616.7616.7616.7616.70
September 23, 20266236236236236230
September 22, 2026623.01623.01623.01623.01623.010
September 21, 2026613.79613.79613.79613.79613.790
September 18, 2026612.77612.77612.77612.77612.770
September 17, 2026605.85605.85605.85605.85605.850
September 16, 2026608.55608.55608.55608.55608.550
September 15, 2026611.2611.2611.2611.2611.20
September 11, 2026608.88608.88608.88608.88608.880
September 10, 2026612.39612.39612.39612.39612.390
September 09, 2026615.35615.35615.35615.35615.350
September 08, 2026618.95618.95618.95618.95618.950
September 04, 2026621.19621.19621.19621.19621.190
September 03, 2026614.64614.64614.64614.64614.640
September 02, 2026611.82611.82611.82611.82611.820
September 01, 2026616.14616.14616.14616.14616.140
August 31, 2026618.17618.17618.17618.17618.170
August 28, 2026619.69619.69619.69619.69619.690
August 27, 2026615.26615.26615.26615.26615.260
August 26, 2026615.38615.38615.38615.38615.380
August 25, 2026613.39613.39613.39613.39613.390
August 24, 2026615.1615.1615.1615.1615.10
August 21, 2026612.41612.41612.41612.41612.410
August 20, 2026617.69617.69617.69617.69617.690
August 19, 2026616.34616.34616.34616.34616.340
August 18, 2026620.6620.6620.6620.6620.60
August 17, 2026623.78623.78623.78623.78623.780
August 14, 2026624.77624.77624.77624.77624.770
August 13, 2026620.71620.71620.71620.71620.710
August 12, 2026621.04619.06619.06621.04619.060
August 11, 2026621.04621.04621.04621.04621.040
August 10, 2026621.34621.34621.34621.34621.340
August 07, 2026617.49617.49617.49617.49617.490
August 06, 2026618.58618.58618.58618.58618.580
August 05, 2026619.62619.62619.62619.62619.620
August 04, 2026608.72608.72608.72608.72608.720
August 03, 2026599.81599.81599.81599.81599.810
July 31, 2026595.61595.61595.61595.61595.610
July 30, 2026585.88585.88585.88585.88585.880
July 29, 2026594.9594.9594.9594.9594.90
July 28, 2026593.64593.64593.64593.64593.640
July 27, 2026593.54593.54593.54593.54593.540
July 23, 2026600.44600.44600.44600.44600.440
July 22, 2026601.25601.25601.25601.25601.250
July 21, 2026595.97595.97595.97595.97595.970
July 20, 2026597.11597.11597.11597.11597.110
July 17, 2026603.19603.19603.19603.19603.190
July 16, 2026606.28606.28606.28606.28606.280
July 15, 2026603.94603.94603.94603.94603.940
July 14, 2026601.67601.67601.67601.67601.670
July 13, 2026606.48606.48606.48606.48606.480
July 10, 2026603.88603.88603.88603.88603.880
July 09, 2026598.98598.98598.98598.98598.980
July 08, 2026600.67600.67600.67600.67600.670
July 07, 2026603.36603.36603.36603.36603.360
July 06, 2026598.96598.96598.96598.96598.960
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