Artisan Mid Cap Fund - Investor Class 

The fund normally invests no less than 80% of its net assets plus any borrowings for investment purposes at market value at the time of purchase in the common stocks of medium-sized companies. The advisor defines a medium-sized company as one with a market capitalization greater than the market capitalization of the smallest company in the Russell Midcap® Index and less than three times the weighted average market capitalization of companies in the index.