You can locate a detailed history of mutual fund pricing on the Russell Investments or T. Rowe Price websites. The latter shows performance history and other details of all T. Rowe Price mutual funds.
T. Rowe Price's website shows the history of its funds from 10 years ago or from the time of their inception. Daily year to date (YTD), monthly YTD, expense ratio and expense ratio as of current date are also given. Russell Investments allows users to choose their product class. The history of funds for 10 years or the time of their inception are provided. There are also annual fund operating expenses, latest NAV, or net asset value, and others. Types of mutual funds include index, life cycle, actively managed, balanced and tax-managed funds.