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VIMSX · Vanguard Mid-Cap Index Fund Investor Shares
Over the last 15 years (2011-11 to 2026-11), $10,000 invested in VIMSX with dividends reinvested grew to $54,723, 11.93% a year, with a worst peak-to-trough fall of -25.74%. Past performance doesn't predict future results.
Our market-data provider has no prices for VIMSX in 5 months (2025-02 to 2025-06). The move across them is counted in the next month with prices, so the total and annual returns hold, but the volatility, worst drawdown and Sharpe ratio miss what happened inside those months.
Growth of $10,000 · 2011-11 to 2026-11 · dividends reinvested
How VIMSX held up in past market crashes
VIMSX has been through 5 of the market crashes since 2000 in our data. Its deepest price fall was 59.7% in the 2008 financial crisis, when the S&P 500 fell 56.5%. It took 2.2 years from the bottom to get back to its high. No fund is safe from losses; past falls do not predict future ones.
| Crash | VIMSX deepest fall | S&P 500 (SPY) | Peak to bottom | Back to peak |
|---|---|---|---|---|
| Dot-com bust | -37.8% | -49.1% | Sep 2000 to Oct 2002 | 17 months |
| 2008 financial crisis | -59.7% | -56.5% | Oct 2007 to Mar 2009 | 2.2 years |
| 2018 fourth-quarter selloff | -21.9% | -20.2% | Sep 2018 to Dec 2018 | 4 months |
| 2020 COVID crash | -39.6% | -34.1% | Feb 2020 to Mar 2020 | 7 months |
| 2022 bear market | -25.8% | -25.4% | Jan 2022 to Sep 2022 | 22 months |
Price declines in the fund's listing currency, dividends not included, inside each crash's S&P 500 peak-to-bottom window. See how 50 popular ETFs compare in the crash study.
About VIMSX
Vanguard Mid-Cap Index Fund Investor Shares is a mutual fund designed to replicate the performance of the CRSP US Mid Cap Index, which covers a broad spectrum of medium-sized U.S. companies. This fund employs a passive management strategy, aiming to deliver returns in line with its benchmark by investing in a diversified portfolio of mid-cap stocks.
Fund description from our market-data provider.
Put VIMSX to the test
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Backtest VIMSX →
Full history, any date range, benchmarks, drawdowns, rolling returns.
Would VIMSX survive 2008? →
What actually happened to it in the crisis: real drawdown and recovery.
Project it forward →
Monte Carlo simulation of where it could go from here.
Compare VIMSX vs VTI →
Side by side with the total US market: returns, drawdowns and volatility over their shared history.
Replay $100/mo into VIMSX →
Animated growth of steady monthly contributions.
Fundamentals →
Holdings-level financials where available.
Educational use only, not investment advice. Results are hypothetical.Read full disclaimer
This tool is for educational and informational purposes only and does not provide financial, investment, tax, legal, or accounting advice. Results are hypothetical and based on historical data and assumptions that may be inaccurate. Past performance does not guarantee future results. Consult a licensed professional before making investment decisions.