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

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Vanguard Institutional Index

VINIX
Large Blend
Vanguard

The fund employs an indexing investment approach designed to track the performance of the S&P 500 Index, a widely recognized benchmark of U.S. stock market performance that is dominated by the stocks of large 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. It is non-diversified.

Expense Ratio
0.00%
What's an expense ratio?
5-Year Return
+13.66%
How to read fund performance
Volatility
+13.29%
What is volatility?
Total Assets
$315.3K
Performance History
1-Year Return+18.36%
3-Year Return+20.91%
5-Year Return+13.66%
10-Year Return+331.52%
Fund Details
Minimum Investment$3,000
Fund ManagerVanguard Management Team
Inception Date1997-07-06
Assets Under Management$315,340 M
Data Last UpdatedApr 13, 2026
How to Invest in VINIX

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 Institutional Index
Calculating for:
VINIX

Vanguard Institutional Index

Pre-filled with VINIX's historical average return

VINIX'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 VINIX'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 Institutional Index
Projecting for:
VINIX

Vanguard Institutional Index

How much are you investing today?

How much will you contribute each month?

How long will you invest for?

Pre-filled with VINIX'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 VINIX'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

NVDANVIDIA Corp
0.00%
AAPLApple Inc
0.00%
MSFTMicrosoft Corp
0.00%
AMZNAmazon.com Inc
0.00%
GOOGLAlphabet Inc Class A
0.00%
AVGOBroadcom Inc
0.00%
GOOGAlphabet Inc Class C
0.00%
METAMeta Platforms Inc Class A
0.00%
TSLATesla Inc
0.00%
BRK-BBerkshire Hathaway Inc Class B
0.00%

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

Similar Funds in Large Blend

FSMDX
Fidelity

Fidelity Mid Cap Index Fund

Expense Ratio0.00%
5-Year Return+7.62%
FXAIX
Fidelity

Fidelity 500 Index Fund

Expense Ratio0.00%
5-Year Return+11.64%
VFIAX
Vanguard

Vanguard 500 Index Fd Admiral S

Expense Ratio0.00%
5-Year Return+11.67%
SWPPX
Schwab

Schwab® S&P 500 Index Fund",

Expense Ratio0.00%
5-Year Return+11.71%

Frequently Asked Questions

What is VINIX?

VINIX is the ticker symbol for Vanguard Institutional Index, a Large Blend mutual fund managed by Vanguard. The fund employs an indexing investment approach designed to track the performance of the S&P 500 Index, a widely recognized benchmark of U.S. stock market performance that is dominated by the stocks of large 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. It is non-diversified.

What is the expense ratio for VINIX?

VINIX 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 VINIX performed historically?

VINIX has posted a 1-year return of +18.36%, 3-year return of +20.91%, 5-year return of +13.66%, 10-year return of +331.52%. Past performance does not guarantee future results. Returns are annualized for periods greater than one year.

What is the minimum investment for VINIX?

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

Is VINIX a good investment?

Whether VINIX is right for you depends on your investment goals, time horizon, and risk tolerance. Key factors to evaluate include its 0.00% expense ratio, Large 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
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© 2026 CompareMutualFunds. All rights reserved.

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