Open an Account Directly

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Already Have An Account?

Click here for account access.

Read our prospectus carefully before you invest. The prospectus may be viewed and downloaded here.

If you would like us to mail you a prospectus, call us at (800) 492-8332 or click here and we will gladly send it to you.

Brokerage Platforms

If you already have an account with one of the major brokerage platforms, you can invest directly with the Buffalo Funds through your existing account.


The Buffalo Funds are also available on hundreds of other platforms.

New Accounts

You can also use the links below to print off an application for opening an account.

Retirement Investments

For more information please refer to our Traditional IRA/Roth IRA Disclosure.

Coverdell Education Savings Accounts

Regular Investments

Send your completed paperwork to:
Buffalo Funds
c/o U.S. Bank Global Fund Services
P.O. Box 701
Milwaukee, WI 53201-0701

Buffalo Funds are not offered for sale in countries other than the U.S. and its territories. All Funds are offered by prospectus only. The prospectus contains more complete information on the Funds, including annual charges and expenses. Please read it carefully before you invest or send money. Click here for a prospectus.

Fundamental Approach

We get to know the companies we invest in and learn how they run their business.

Top-Down & Bottom-Up

We identify Top-Down broad, secular growth trends and search for companies from the Bottom-Up.

Proprietary Philosophy

We construct our portfolios based on our own proprietary investment strategy.

Disciplined Investing

Sticking to our disciplined investment strategy ensures we maintain a consistent, balanced approach.