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VIIIX

Vanguard Institutional Index Fund Institutional Plus Shares

Mutual fund

$618.18+4.56 (+0.74%)Close Oct 2, 2026

Jul 7, 1997 – Oct 2, 2026, Dividends reinvested

Final balance
$132,996
CAGR
+9.25%
Max drawdown
−55.18%
Sharpe ratio
0.56

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Growth of $10,000

Trailing returns

Annualized from 3Y
1M
+0.84%
3M
+3.48%
6M
+17.96%
YTD
+13.79%
1Y
+16.33%
3Y
+23.24%
5Y
+13.72%
10Y
+15.42%
15Y
+15.74%
20Y
+11.29%
25Y
+10.28%
Since 1997
+9.25%

Metrics

Since 1997
Volatility19.25%
Sortino ratio0.79
Calmar ratio0.17
Best year, 2013+32.38%
Worst year, 2008−36.94%
Positive years22 of 28
Longest drawdown6.7 years

Worst drawdowns

Since 1997
DeclinePeakBottomRecoveredLength
−55.2%Oct 2007Mar 2009Mar 20124.5 years
−48.6%Mar 2000Oct 2002Dec 20066.7 years
−33.8%Feb 2020Mar 2020Aug 20206 months
−24.5%Jan 2022Oct 2022Dec 20231.9 years
−19.4%Sep 2018Dec 2018Apr 20197 months

Annual returns

1997 from Jul 7 · 2026 through Oct 2