Use a summary search and formulas
Make your results of your saved search the following
Item summary type GROUP
Description summary type GROUP
Formula numeric summary type MAX (CASE WHEN {inventorylocation} = ‘Location 1’ THEN {locationquantityonhand} END
Formula numeric summary type MAX (CASE WHEN {inventorylocation} = ‘Location 2’ THEN {locationquantityonhand} END
Formula numeric summary type MAX (CASE WHEN {inventorylocation} = ‘Location 3’ THEN {locationquantityonhand} END
(Repeat for all locations/inventory fields you want)