MainStay Funds – Log In
Once you have established Online Account Access, please enter your User ID and Press "Login" below.
If you are a new user, click on Establish User ID. You will need your MainStay account number and Social Security Number or Tax Identification Number (TIN). Once you have created your User ID and Password, you will be able to access your account(s).
Establish User ID and Password
Your online security is always a top priority. Due to that we have just implemented a new security service to further protect your account from unauthorized access.
In order to access your account you will be asked to complete a one-time personal security profile in which you will designate a security code delivery method.
MainStay Retirement Plan
If your MainStay account is part of a retirement plan, please click on Plan Access to continue.