Barclays, Citigroup, Goldman Sachs and Jefferies are acting as joint global coordinators and joint bookrunners for the placing, which will be of up to 32 million shares at 596p - tonight’s closing price for the stock.
The shares were floated at 600p, since when they surged before drifting down since January as some of the steam came out of tech company valuations.
Analysts have compared Ingenuity to being like Ocado’s division which runs robot warehouses for other grocery giants.