Mouro Capital, a venture capital firm backed by Spain's Santander Bank, has announced the completion of a $400 million first round for its third fund. This brings the firm's total assets under management to over $1 billion. The new fund will focus on investments in AI, data infrastructure, blockchain, and GRC (governance, risk, and compliance) within the fintech sector. Mouro Capital has already invested in companies such as Eleven Labs and Sakana AI.