Elon Musk's Department of Government Efficiency (DOGE) is expanding its presence at the U.S. Securities and Exchange Commission (SEC), according to multiple sources and Reuters reports. This move marks an increased involvement of DOGE at the Wall Street regulatory agency. The expansion follows reports that DOGE encountered resistance from the SEC during its efforts, with Musk and his team identifying the agency as one that fought them hardest. The development signals a growing footprint of Musk's government efficiency initiative within federal financial regulatory structures.