TurboTax has a TurboTax Partner program that allows many customers to import their information from their brokerage. Instructions on how to import and a link to our list of TurboTax partners are provided below.
https://ttlc.intuit.com/replies/3389470
For more information on entering stock transactions in TurboTax, see below.
https://ttlc.intuit.com/replies/3300066