VIMSX

Vanguard Mid-Cap Index Fund Investor Shares

$89.36−0.82 (−0.91%)Close Nov 12, 2026

May 21, 1998 – Nov 12, 2026, Dividends reinvested

Final balance: $128,322
CAGR: +9.37%
Max drawdown: −58.96%
Sharpe ratio: 0.53

Growth of $10,000

Trailing returns (%)

VIMSX's average annual return was 11.42% over the last 10 years and 9.42% over the last 20 years, through Nov 12, 2026. $10,000 in VIMSX on Nov 11, 2016 grew to $29,479 by Nov 12, 2026, with dividends reinvested.

	Total	Per year
VIMSX	+1.09	−1.77	+6.60	+13.86	+13.51	+18.21	+6.30	+11.42	+11.99	+9.42	+10.13	+9.37

Total

1M: +1.09%
3M: −1.77%
6M: +6.60%
YTD: +13.86%
1Y: +13.51%

Per year

3Y: +18.21%
5Y: +6.30%
10Y: +11.42%
15Y: +11.99%
20Y: +9.42%
25Y: +10.13%
Since 1998: +9.37%

Annual returns

1998 from May 21 · 2026 through Nov 12

VIMSX returns by year

Year	Return
2026 through Nov 12	+13.86%
2025	+11.53%
2024	+14.52%
2023	+16.40%
2022	−18.80%
2021	+24.36%
2020	+18.04%
2019	+30.86%
2018	−9.35%
2017	+19.12%
2016	+11.07%
2015	−1.46%
2014	+13.62%
2013	+35.00%
2012	+15.78%
2011	−2.09%
2010	+25.46%
2009	+40.22%
2008	−41.83%
2007	+6.02%
2006	+13.59%
2005	+13.93%
2004	+20.35%
2003	+34.14%
2002	−15.18%
2001	−3.28%
2000	+8.15%
1999	+9.62%
1998 from May 21	+7.27%

Metrics

Since 1998

Volatility	20.90%
Sortino ratio	0.75
Calmar ratio	0.16
Best year, 2009	+40.22%
Worst year, 2008	−41.83%
Positive years	20 of 27
Longest drawdown	3.6 years

Worst drawdowns

Since 1998

Decline	Peak	Bottom	Recovered	Length
−59.0%	Jul 2007	Mar 2009	Feb 2011	3.6 years
−39.3%	Feb 2020	Mar 2020	Sep 2020	6 months
−37.8%	Sep 2000	Oct 2002	Jan 2004	3.4 years
−27.6%	Nov 2021	Oct 2022	Jul 2024	2.7 years
−26.0%	Jul 1998	Oct 1998	Dec 1998	5 months