Finance

Choose Mutual Funds from left column.
Offers detailed financial info.

This site has information on specific mutual funds, including snapshots from Morningstar. (These snapshots don't have all of the information from a full Morningstar report, such as the written commentary.) You can also search for funds by various criteria. Site is provided by the Mutual Fund Education Alliance, a trade association for the mutual fund industry. Also has some good educational material on mutual fund investing.

A 14-day free trial offers much fund info (Morningstar ratings, quotes, performance stats & history, portfolio analysis, news, tax analysis, risk measures -including betas, management biographies, fees/expenses, min. investments & purchase info).
Most info requires a subscription, but you can get a 14-day free trial

Lengthy regulatory documents filed with the SEC. Search is by mutual fund company. A document may sometimes cover more than one fund offered by the company.
Tip: In some cases, it may be easier to find the prospectus on the mutual fund company's web site.

Free fund overview which includes performance statistics, Lipper Ratings, expense statistics, portfolio allocation information, and more. Also available are Lipper Daily Indices and a screener. ETFs can be found via the Fund Screener.
Overview is free. Research Reports linked to from bottom are not free. Registration required for some parts of Reuters site.