The business-focused challenger bank has pushed through the $1 billion valuation mark after closing its third funding round. : Judo Bank's valuation has pushed through $1 billion after its latest capital raising showed investors were willing to put a higher price on the business-focused challenger bank. Judo, founded by former bankers David Hornery and Joseph Healy, will on Thursday say it has closed its third funding round, which raised an extra $230 million in capital.