Adams Street Partners, LLC (ASP) is an American private equity firm headquartered in Chicago.

[2][7][8] In September 2000, Brinson formed Adams Street Partners to circumvent bank-related regulatory requirements, such as the prohibition on owning more than 24.9% of any non-banking company.

[3][2][10] In May 2008, ASP acquired Brinson's stake of 24.9% for $156 million from UBS, making it fully employee owned.

[2][3][11] In May 2014, Royal Bank of Scotland sold a minority stake of its private equity unit to ASP for $167 million.

[12] In 2016, ASP launched its own venture capital and private credit business.