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Vanguard Index Trust Mid-Cap In

VIMSX
Mid-Cap Blend
Vanguard

The fund employs an indexing investment approach designed to track the performance of the CRSP US Mid Cap Index, a broadly diversified index of stocks of mid-size U.S. companies. The advisor attempts to replicate the target index by investing all, or substantially all, of its assets in the stocks that make up the index, holding each stock in approximately the same proportion as its weighting in the index.

Expense Ratio
0.00%
What's an expense ratio?
5-Year Return
+6.35%
How to read fund performance
Volatility
+13.29%
What is volatility?
Total Assets
$198.2K
Performance History
1-Year Return+11.30%
3-Year Return+14.99%
5-Year Return+6.35%
10-Year Return+177.36%
Fund Details
Minimum Investment$3,000
Fund ManagerDonald M. Butler
Manager Tenure13 years
Inception Date2004-01-25
Assets Under Management$198,244 M
Data Last UpdatedApr 13, 2026
How to Invest in VIMSX

Buy directly from Vanguard

Vanguard funds can be purchased directly through their website, typically with no transaction fee. Minimum investment: $3,000.

Visit Vanguard.com

Affiliate disclosure: Some links on this page are affiliate links. If you open an account through a link on this site, we may earn a commission at no additional cost to you. This does not influence our fund data or analysis. Learn more.

Investment Calculators

Fee Impact Calculator

Fee Impact Calculator
See how fees would impact your investment in Vanguard Index Trust Mid-Cap In
Calculating for:
VIMSX

Vanguard Index Trust Mid-Cap In

Pre-filled with VIMSX's historical average return

VIMSX's actual expense ratio

Comparison fund (e.g., actively managed)

Results
Future value after 30 years
Enter your values and click “Calculate Impact” to see results

Note: This calculator uses simplified assumptions based on VIMSX's historical performance. It does not account for taxes, inflation, or varying returns. Past performance does not guarantee future results.

Return Simulator

Return Projection Simulator
Project your portfolio's future value with Vanguard Index Trust Mid-Cap In
Projecting for:
VIMSX

Vanguard Index Trust Mid-Cap In

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Pre-filled with VIMSX's historical average return

Projection Results
Estimated portfolio value after 30 years
Enter your parameters and click “Simulate Returns” to see projections

Important: This projection uses simplified assumptions based on VIMSX's historical performance. Actual investment returns vary year-to-year. Past performance does not guarantee future results. This tool is for educational purposes only.

Top Holdings

NEMNewmont Corp
0.00%
GLWCorning Inc
0.00%
HWMHowmet Aerospace Inc
0.00%
CEGConstellation Energy Corp
0.00%
VRTVertiv Holdings Co Class A
0.00%
WDCWestern Digital Corp
0.00%
STXSeagate Technology Holdings PLC
0.00%
PWRQuanta Services Inc
0.00%
CMICummins Inc
0.00%
CRHCRH PLC
0.00%

Top holdings shown as percentage of fund assets. Data sourced from fund filings. Holdings may change over time.

Similar Funds in Mid-Cap Blend

FSMAX
Fidelity

Fidelity Extended Market Index

Expense Ratio0.00%
5-Year Return+4.63%
VEXAX
Vanguard

Vanguard Extended Market Index

Expense Ratio0.00%
5-Year Return+4.44%

Frequently Asked Questions

What is VIMSX?

VIMSX is the ticker symbol for Vanguard Index Trust Mid-Cap In, a Mid-Cap Blend mutual fund managed by Vanguard. The fund employs an indexing investment approach designed to track the performance of the CRSP US Mid Cap Index, a broadly diversified index of stocks of mid-size U.S. companies. The advisor attempts to replicate the target index by investing all, or substantially all, of its assets in the stocks that make up the index, holding each stock in approximately the same proportion as its weighting in the index.

What is the expense ratio for VIMSX?

VIMSX has an expense ratio of 0.00% per year. On a $10,000 investment, that amounts to roughly $0 annually in fund fees. This is considered a very low-cost fund.

How has VIMSX performed historically?

VIMSX has posted a 1-year return of +11.30%, 3-year return of +14.99%, 5-year return of +6.35%, 10-year return of +177.36%. Past performance does not guarantee future results. Returns are annualized for periods greater than one year.

What is the minimum investment for VIMSX?

VIMSX requires a minimum initial investment of $3,000. Some brokerages or retirement accounts may waive or reduce this minimum.

Is VIMSX a good investment?

Whether VIMSX is right for you depends on your investment goals, time horizon, and risk tolerance. Key factors to evaluate include its 0.00% expense ratio, Mid-Cap Blend category exposure, historical returns, and how it fits within your broader portfolio. We recommend comparing it against similar funds in the same category and consulting a qualified financial advisor.

Important: Past performance does not guarantee future results. This information is provided for educational purposes only and should not be considered investment advice. Please consult with a financial advisor before making investment decisions.

Compare Mutual Funds LogoCMF

Compare mutual funds with transparent, data-driven insights. Make informed investment decisions.

Product

  • Compare Funds
  • Learning Center
  • Fee Calculator
  • Return Simulator

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  • About Us

Legal

  • Disclosures
  • Privacy Policy
  • Terms of Service

© 2026 CompareMutualFunds. All rights reserved.

Investment information provided for educational purposes only. Past performance does not guarantee future results.