Mainstay Investments

MainStay Portfolio Login

Returning Users

User ID 

Please do not enter your SSN/TIN

User ID Options
Forgot your User ID? Change your User ID

Password Options
Enter your User ID above and
select one of the following options: Forgot your Password? Change your Password Establish your Password

New Users

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).

MainStay Retirement Plan

If your MainStay account is part of a retirement plan, please click on Plan Access to continue.