Momentum Machines, the GV-backed developer of a fast food preparation robot, has raised $18.4m of a $22m round, according to a securities filing.

Momentum Machines, a US-based, food industry-focused robotics technology developer that counts internet technology group Alphabet as an investor, has raised $18.4m in new funding, according to a regulatory filing.

The company has not disclosed the identities of the 18 investors in the round, but the filing indicates it intends to close it at $22m.

Founded in 2009, Momentum has built a robot that can prepare and grill burgers rapidly and autonomously, with preferences for individual users programmable into the system.