Thanks for the clarification @Phil_Seeman 
I can confirm that the Business plan sits between our existing Premium, you can learn more about both here:
- Asana Business - Manage Large & Cross-Team Projects • Asana
- Asana Portfolios - Manage Multiple Projects in One Place • Asana
Also since Portfolio is now officially launched in not in Beta anymore, I’ll go ahead and close this thread to avoid any confusion. Here is the official thread for Portfolio in case you have any questions! Introducing Portfolios: The mission control center for everything you need to track in your business