FusionIQ Acquires Marstone

Providence-founded Marstone joins FusionIQ to expand digital wealth and financial wellness offerings for financial institutions.

PROVIDENCE, RI - June 22, 2026 -Slater Technology Fund portfolio company Marstone has been acquired by FusionIQ, bringing together two complementary providers of digital wealth management technology.

Slater first invested in Marstone in 2023, supporting the company's work helping financial institutions deliver investing, financial wellness, and planning tools through digital channels.

Founded in Providence, Marstone develops a digital wealth platform used by banks, credit unions, and other financial institutions to expand access to investment and financial planning services.

The acquisition combines Marstone's digital investing and financial wellness capabilities with FusionIQ's wealth management technology platform, creating a broader offering for financial institutions and their advisors.

As part of the transaction, Marstone co-founders Margaret Hartigan, Brown University Alumni 1997, and Christopher LaVine will join FusionIQ's leadership team and help support the integration of the two businesses.

The acquisition represents an important milestone for Marstone as it enters its next phase of growth within a larger wealth technology platform. The acquisition also adds to Rhode Island's strong history of fintech innovation. Slater previously backed Andera, the Providence-based fintech company founded by Charlie Kroll that was acquired by Bottomline Technologies in 2014.

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