Stock in major firms such as Microsoft, Nvidia and SpaceX was bought and sold on behalf of the US president.
The National Stock Exchange's listing is expected to raise more than $2bn as it goes public on Thursday.
The firm's Hong Kong listing on Tuesday comes after a years-long quest to sell shares in New York and London.
Shares in the world's biggest humanoid robot maker started trading on Shanghai's Star market on Wednesday.
Some traders are reeling from heavy losses after a brutal correction in South Korea's stock market.
SpaceX's shares are unlocked Thursday, and some early employees could see a massive windfall. The BBC's Samira Hussain explains.
It comes after a three-day rout that wiped hundreds of billions of dollars off the value of the country's stock market.
Trading on South Korea's Kospi index was paused temporarily on Tuesday morning after slumping by 8%.
The company's shares soared by nearly 470% in its market debut, as the AI boom drives chip demand.
