With this, total equity capital of Oak North bank, a British banking start-up, will rise to Rs 7,000 crore. : SoftBank, a Japanese conglomerate, has invested Rs 2,800 crore in UK-based Oak North Bank, in which IndiaBulls Housing Finance has a significant stake. With this investment, the total equity capital of Oak North bank, a British banking start-up, will increase to Rs 7,000 crore. Apart from IndiaBulls Housing Finance and SoftBank, OakNorth Bank has Clermont, Coltrane, Dascoli, Toscafund and Government of Singapore as other large investors.