The Presidential Inaugural Committee did not reveal the amount of the donations nor say when they would release more names.
The web site simply says donors' names will be "regularly" posted and to "check this page for future updates."
In December, the committee noted it would accept unlimited money from corporate and individual contributors but would not accept donations from PACs or lobbyists.
The inauguration is estimated to cost over $100 million thanks to the security needs and the parties that surround the Jan. 21 swearing-in. Most of the money comes from donors.
Obama's second inauguration will be much more toned down than his first with fewer balls, no celebrity concert on the National Mall and one fewer day of festivities.