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SS&C
Stone launched SS&C Technologies in 1986 in Bloomfield, Connecticut, writing bond-analytics software for institutional investors. The company went public in...
SS&C
Stone launched SS&C Technologies in 1986 in Bloomfield, Connecticut, writing bond-analytics software for institutional investors. The company went public in 1996, was taken private by The Carlyle Group in a 2005 leveraged buyout, and returned to the public markets in 2010. Today Stone remains Chairman and CEO, controlling roughly 12% of the equity through direct holdings and a family trust. SS&C's corporate treasury and the Stone family itself are the primary investment vehicles, with giving channeled through the Stone Family Foundation. SS&C invests its corporate capital directly rather than through a separate family-office structure. The firm deploys cash across private funds, direct co-investments, and real assets. Its known positions span the alternatives ecosystem it services: private equity, credit, and real estate. The company's acquisition of DST Systems and GlobeOp brought with them institutional investment arms that SS&C integrated into its own allocation framework. The firm has been an active acquirer of fintech platforms, with more than 55 purchases since 2005, often retaining the underlying portfolio exposure of acquired entities. SS&C employs over 27,000 people globally and operates across offices including Evansville, London, Hong Kong, and Sydney. The firm's corporate headquarters sits on an 80-acre campus at 80 Lamberton Road in Windsor, Connecticut. In September 2024, SS&C completed the acquisition of Battea-Class Action Services, expanding its securities class action claims business (per SS&C press release, September 2024). Stone also maintains personal real-estate holdings, including a golf course in Maryland and a family residence in East Lyme, Connecticut. SS&C sits at the intersection of technology provider and principal investor, a hybrid structure rare among public companies. It is neither a pure family office nor a conventional corporate venture arm — the firm uses its balance sheet to back the same alternative-asset managers and strategies that rely on its administration and software platforms, creating an information and fee advantage that third-party allocators cannot replicate.
General information
Firm type
Corporate Investor
Year founded
1986
Location
Region
North America
Country
United States
City
Windsor
Corporate office
Windsor, CT, United States
Principals
William C. Stone
Chairman and CEO
Sector focus
Frequently asked questions
How does SS&C structure its principal investing — through a family office or the corporate balance sheet?
SS&C invests directly from the corporate balance sheet rather than through a separate family-office entity. William C. Stone, the founder and CEO, controls roughly 12% of the company's equity and directs allocation decisions through the corporate treasury. The firm does not accept outside LP capital for its own investing activities.
What is the relationship between SS&C and The Carlyle Group?
Carlyle took SS&C private in a 2005 leveraged buyout and retained ownership until the company's second public offering in 2010. David Rubenstein, Carlyle's co-founder, has spoken at SS&C events and the firms maintain a co-investor dialogue. Bill Stone sits on Carlyle's board of directors.
Does SS&C invest in private equity and venture funds, or only directly?
SS&C invests across fund commitments, direct co-investments, and real assets, with a bias toward the alternative-asset managers that make up its client base. The firm's acquisitions of DST Systems and GlobeOp brought embedded investment portfolios that were absorbed into the corporate allocation.
Which asset classes does SS&C's treasury target?
The firm allocates across private equity, private credit, real estate, and technology acquisitions. It does not publish a target allocation. Its M&A strategy — 55-plus acquisitions since 2005 — functions as a parallel technology-investment sleeve alongside financial-asset deployment.
How is the Stone family's philanthropy structured?
Philanthropy is managed through the Stone Family Foundation, which focuses on education, arts, and community initiatives. The foundation is separate from SS&C's corporate balance sheet. Bill Stone and his spouse Mary O'Daniel Stone are the named principals.
What gives SS&C an edge in sourcing private deals?
SS&C's position as the administrator and software provider for thousands of alternative-asset funds creates a proprietary view into manager performance and capital flows. The firm sees deal flow, fund terms, and allocation patterns that external investors cannot, and deploys its own capital alongside the most relevant opportunities.
What real estate assets does SS&C or the Stone family control?
SS&C owns its corporate headquarters at 80 Lamberton Road in Windsor, Connecticut, on an 80-acre campus. The Stone family holds a golf course in Maryland and a residence in East Lyme, Connecticut. SS&C also operates the SummerWind Performing Arts Center in Windsor.
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