Elon Musk could occupy space in the Eisenhower Executive Office Building next to the West Wing to head up the newly created Department of Government Efficiency, known as DOGE.

Musk's Tesla stake rose by $111 billion — 65% — last year. All but $2 billion of Musk’s Tesla gain and about 98% of what other Tesla shareholders gained came after Election Day, when Musk began hanging out extensively with Donald Trump and started calling himself Trump’s “first buddy.”