Adams Street Partners

Adams Street Partners, LLC is a privately held American investment management firm headquartered in Chicago, Illinois. The firm operates in private markets and is principally associated with private equity fund-of-funds investing, although its activities also include venture capital, private credit, and private-equity secondary strategies. Its clients are primarily institutional investors seeking long-term exposure to privately held companies, private-equity funds, venture funds, and other illiquid or less publicly traded assets. The business traces its origins to 1972, when it was established as the growth-equity division of First National Bank of Chicago. At that time it operated under the name First Chicago Investment Advisors. In 1989, Gary P. Brinson, then the division's chief executive, led a management buyout valued at $100 million. The transaction separated the investment operation from First Chicago Corporation and created an independent firm known as Brinson Partners. Swiss Bank Corporation acquired Brinson Partners for $750 million in 1994. Following the 1998 merger of Swiss Bank Corporation and Union Bank of Switzerland, Brinson operated within UBS Asset Management. Adams Street Partners emerged from a restructuring of Brinson's private-markets activities in 2000. In September of that year, Brinson established Adams Street Partners in part to address bank-related regulatory constraints, including restrictions on banks holding more than 24.9 percent of certain non-banking companies. Brinson retained a 24.9 percent interest while employees held the balance. Adams Street Partners became a separate firm on January 1, 2001. In May 2008, the firm acquired Brinson's remaining 24.9 percent interest from UBS for $156 million, completing its transition to employee ownership. The firm's largest area has historically been fund-of-funds investing, in which capital is allocated across a portfolio of private-equity funds rather than concentrated in a single fund or company. This model can provide institutional investors with manager diversification, access to multiple private-market strategies, and exposure to companies across sectors and geographies. Adams Street also invests through secondary transactions, which involve buying existing interests in private-equity funds or portfolios, and through direct or co-investment opportunities alongside private-market managers. The precise mix of products, mandates, and vehicles can vary by client and fund. Adams Street expanded its platform in 2016 by launching venture-capital and private-credit businesses. These additions broadened the firm beyond its established private-equity and fund-of-funds activities. The firm's international presence includes offices in Europe and the Asia-Pacific region, supporting its global investment and client-servicing activities. Public industry references have placed Adams Street among the larger global private-equity fund-of-funds managers. Preqin ranked it ninth globally in that segment in 2020, reporting approximately $40 billion in assets under management at that time. In June 2024, Private Equity International placed the firm 42nd in its PEI 300 ranking of large private-equity firms. Because Adams Street Partners is privately held, comprehensive current financial statements, detailed revenue figures, and a complete public record of its management structure are not generally available. Its public identity is therefore defined primarily by its private-markets investment platform, institutional client base, employee ownership, and long operating history.

Adams Street Partners originated in 1972 as the growth-equity division of First National Bank of Chicago, where the operation was known as First Chicago Investment Advisors. Its early institutional setting gave the business an established banking-sector base while its investment focus developed around growth companies and private-market opportunities. In 1989, Gary P. Brinson, the division's chief executive, led a $100 million management buyout of the operation from First Chicago Corporation. The transaction created an independent investment firm named Brinson Partners. In 1994, Swiss Bank Corporation acquired Brinson for $750 million. After Swiss Bank Corporation merged with Union Bank of Switzerland in 1998, Brinson became part of UBS Asset Management. Adams Street Partners was formed by Brinson in September 2000. The structure was designed partly to address regulatory restrictions affecting bank ownership of non-banking companies. Brinson retained a 24.9 percent interest in the new firm, while the remaining ownership was held by employees. On January 1, 2001, Adams Street Partners was spun out as a separate business. In May 2008, Adams Street Partners bought Brinson's 24.9 percent interest from UBS for $156 million. The transaction completed the firm's shift to full employee ownership and established the ownership structure associated with its independent identity. In May 2014, Royal Bank of Scotland sold a minority stake in its private-equity unit to Adams Street Partners for $167 million. The firm expanded its strategy range in 2016 with the launch of venture-capital and private-credit businesses. Its platform has also included private-equity secondaries, direct investments, co-investments, and fund-of-funds strategies. Fund-of-funds investing has historically represented the majority of its assets, with capital diversified across private-equity managers and funds. Secondary investments provide another route into private markets by acquiring existing fund interests or private-company exposures. Adams Street Partners is headquartered in Chicago and has offices outside the United States in Europe and Asia-Pacific. The firm's institutional orientation and international office network support investment activity and client relationships across multiple regions. Public rankings have recognized its scale: Preqin identified it as the world's ninth-largest fund-of-funds manager in 2020, with approximately $40 billion in assets under management, while Private Equity International ranked it 42nd in the 2024 PEI 300. As a private, employee-owned firm, it does not provide the same level of ongoing financial disclosure as a listed asset manager.

1. 2016Venture capital and private credit added

   The firm launched venture-capital and private-credit businesses, broadening its private-markets platform.

   Source
2. 2014Investment in an RBS private-equity unit

   Adams Street Partners acquired a minority stake in Royal Bank of Scotland's private-equity unit for $167 million.

   Source
3. 2008Employee ownership completed

   The firm acquired UBS's remaining 24.9 percent interest for $156 million and became fully employee owned.

   Source
4. 2001Spinout becomes effective

   Adams Street Partners was spun out as a separate firm on January 1.

   Source
5. 2000Adams Street Partners formed

   Brinson formed Adams Street Partners as a separately structured private-markets business, with employee ownership alongside a 24.9 percent Brinson interest.

   Source
6. 1998Brinson becomes part of UBS Asset Management

   Following the merger of Swiss Bank Corporation and Union Bank of Switzerland, Brinson operated within UBS Asset Management.

   Source
7. 1994Swiss Bank Corporation acquires Brinson

   Swiss Bank Corporation acquired Brinson Partners for $750 million.

   Source
8. 1989Management buyout creates Brinson Partners

   Gary P. Brinson led a $100 million management buyout that separated the investment division from First Chicago Corporation and formed Brinson Partners.

   Source
9. 1972Growth-equity division established

   The business was founded as the growth-equity division of First National Bank of Chicago under the name First Chicago Investment Advisors.

   Source

A global, employee-owned private-markets investment manager focused on institutional portfolios and diversified access to private equity, venture capital, private credit, and secondary investments.

• Private Equity Fund of FundsPrivate equity

  A diversified private-equity allocation strategy investing across a portfolio of private-equity funds and managers. Fund-of-funds exposure can provide institutional investors with manager, strategy, sector, vintage-year, and geographic diversification. This has historically been the firm's principal area of activity and the majority of its assets.

• Private Equity SecondariesPrivate markets

  A secondary-market strategy focused on acquiring existing interests in private-equity funds or related private-market portfolios. Such transactions can give investors access to seasoned assets and provide liquidity to existing holders, although individual investment structures and fund terms vary.

• Venture CapitalVenture capital2016

  A venture-capital business launched in 2016 that provides exposure to privately held, growth-oriented companies and venture-capital funds. Publicly available reference material does not specify a complete list of vehicles, sector mandates, or investment terms.

• Private CreditPrivate credit2016

  A private-credit business added in 2016 as part of the firm's expansion beyond private-equity fund investing. It represents an allocation to privately negotiated credit opportunities, with specific products and mandates determined by the relevant investment vehicles.

• Direct and Co-investmentsPrivate equity

  Direct and co-investment opportunities complement the firm's fund-based strategies by providing exposure to individual private companies or transactions, often alongside established private-market managers. The available reference material does not identify specific portfolio companies or current programs.

• 2016Expand into venture capital and private creditStrategy

  The firm's established platform centered on private equity and fund-of-funds investing.

  What changed. Adams Street Partners launched dedicated venture-capital and private-credit businesses.

  Aftermath. The move broadened the firm's private-markets offering beyond its historical private-equity focus.

  Source
• 2014Acquire a minority stake in an RBS private-equity unitM&A

  Royal Bank of Scotland sold a minority stake in its private-equity unit.

  What changed. Adams Street Partners acquired the minority stake for $167 million.

  Aftermath. The transaction expanded Adams Street Partners' involvement in private-equity activities, although the reference material does not provide further structural details.

  Purchase price. $167 million (May 2014)

  Source
• 2008Acquire UBS's remaining ownership interestM&A

  UBS retained a 24.9 percent interest in Adams Street Partners following the firm's original separation from Brinson.

  What changed. Adams Street Partners purchased that interest from UBS for $156 million.

  Aftermath. The transaction made Adams Street Partners fully employee owned.

  Purchase price. $156 million (May 2008)

  Source
• 2000Create a separately structured private-markets firmStrategy

  Brinson's private-markets activities were affected by bank-related ownership restrictions, including a limit on holding more than 24.9 percent of certain non-banking companies.

  What changed. Brinson formed Adams Street Partners, retained a 24.9 percent interest, and transferred the balance of ownership to employees before the subsequent spinout.

  Aftermath. The structure enabled Adams Street Partners to operate as a separate private-markets firm and ultimately supported its transition to full employee ownership.

  Source

• 2024Adams Street Partners places 42nd in the PEI 300 ranking

  Private Equity International ranked Adams Street Partners 42nd in its PEI 300 ranking of large private-equity firms.

  Other
  Source
• 2020Preqin ranks Adams Street Partners among the world's largest fund-of-funds managers

  Preqin ranked Adams Street Partners ninth globally among fund-of-funds managers and reported approximately $40 billion in assets under management.

  Other
  Source
• 2016Adams Street Partners launches venture-capital and private-credit businesses

  The firm expanded its investment platform by adding dedicated venture-capital and private-credit businesses.

  Product launch
  Source
• 2014Adams Street Partners acquires a minority interest in Royal Bank of Scotland's private-equity unit

  Royal Bank of Scotland sold a minority stake in its private-equity unit to Adams Street Partners for $167 million.

  M&A
  Source
• 2008Adams Street Partners completes purchase of UBS-held interest

  Adams Street Partners acquired Brinson's remaining 24.9 percent interest from UBS for $156 million, making the firm fully employee owned.

  M&A
  Source

1. Adams Street Partners
2. Adams Street Partners official website