Sumitomo has returned to back the warehouse robot developer's latest round, pushing its total funding past the $200m mark.

US-based warehouse robotics technology developer Dexterity secured $140m on Wednesday in a series B round featuring Presidio Ventures, a corporate venturing subsidiary of diversified conglomerate Sumitomo, at a valuation of $1.4bn.

The equity and debt round was co-led by Lightspeed Venture Partners and Kleiner Perkins, with backing from Obvious Ventures and B37 Ventures.

Dexterity designs and manufactures robots for logistics, warehouses and supply chain customers, enabling them to automate some of the most complicated tasks in a warehouse without needing…