This chapter examines the role and structure of investment funds as critical engines for capital deployment and growth within the FinTech sector. It outlines the primary types of funds active in this space, including Venture Capital (VC), Private Equity (PE), Hedge Funds, and Thematic Funds, each with distinct strategies and risk profiles. The chapter also explores the involvement of hedge funds and asset managers in employing advanced, technology-driven strategies for FinTech investments. A substantial focus is placed on the legal and regulatory compliance imperative for these funds, covering securities laws, AML/KYC, data privacy, and cross-border regulations. Furthermore, the chapter details the practical steps of fund formation and highlights the Hong Kong Limited Partnership Fund (LPF) as a specific, tax-efficient legal structure attractive for FinTech-focused private capital. Overall, it provides a comprehensive overview of how investment funds are structured, managed, and regulated to finance innovation in the dynamic FinTech landscape.