The Location Report allows you to compare the levels of stock you have in your different storage locations.
Run a 'Stock by Location' report
Go to the Intelligence section of your account via the main menu. Click on Inventory > Stock by Location:
To narrow your search criteria, you can use any of the available filters within the + Add Filters menu:

Click on Apply Filter to update the report.
You can now export the report as a CSV file by clicking on Manage > Export.
You can also click on Save Report to create a copy of the report with the selected filters and metrics.