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Index Family:    Wilshire Style Indexes
Index Name:    Wilshire US 2500 Index

Measures large and small stocks. This index is a subset of the Wilshire 5000. It represents a float adjusted, market capitalization-weighted portfolio of the largest 2,500 stocks by market capitalization in the Wilshire 5000 at March 31 and September 30 of each year.


Construction/Methodology

Membership

  • The largest 2,500 stocks in the Wilshire 5000 by market cap in March and September.
  • Small-Cap to Micro-Cap buffer applied for companies ranked 2,001 to 3,000.
  • Follows Wilshire 5000 membership guidelines.

Adjustments and Maintenance

  • New stocks are added to the index monthly, as they are added to the Wilshire 5000.
  • A security will be excluded from the index when it is removed from the Wilshire 5000.
  • Shares outstanding and float factors are adjusted when they are changed in the Wilshire 5000 to reflect corporate events during the quarter; otherwise, shares outstanding and float factors are updated once a quarter.



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