GE Ventures led a $26.6m first tranche of a series D round for the robot maker that has now been closed at $40m.

US-based industrial robot manufacturer Rethink Robotics has extended a series D round featuring industrial conglomerate General Electric to $40m with funding from venture capital firm Wellington Management and unnamed existing investors.

General Electric led the $26.6m first tranche of the round in January this year, investing through its corporate venturing subsidiary, GE Ventures.

Investment bank Goldman Sachs and existing backers CRV, Highland Capital Partners, Sigma Partners, Draper Fisher Jurvetson and Two Sigma Ventures, as well as Bezos Expeditions, the…