How can portfolio symbols be alphabetically sorted?

From the Mosaic layout, click the POSITIONS field label to view the drop-down sorting selections. Choose Underlying to sort positions alphabetically by underlying symbol. From the Portfolio page in Classic layout, use the right-click menu from the Positions field label to select Group By and then Underlying, 

Powered by IBot
Where can I find the Mutual Fund Replicator tool?
How do I set the underlying in the Option Chain?
What is the process for flipping a combo position as an Advisor in TWS?
How do I invest my clients in a Custom Index model?