This article discusses how the US Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 has significantly altered the US regulatory environment for investment fund managers. The resultant reforms are outlined, along with how the registration requirements are affecting investment fund managers. The new regulatory regimes for the investment funds market brought about by the Dodd-Frank Act and the US Jumpstart Our Business Startups (JOBS) Act are highlighted, including the regulation of swaps and the Volcker rule.