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Marsh to Acquire Wilshire, Bringing $1.6 Trillion Investment Platform Into Advisor-Led Wealth

Reported by Thewealthadvisor
Nov 10, 2026· 3 min read
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Key Takeaways
  • • Marsh has agreed to acquire Wilshire, an investment consulting and analytics firm overseeing $1.6 trillion in assets under advisement, including $221 billion in assets under management, according to The Wealth Advisor.
  • • Financial terms were not disclosed; the deal is expected to close in the first quarter of 2027, subject to regulatory approvals, client consents and customary closing conditions.
  • • The acquisition is designed to strengthen Marsh's connection to the financial advisor ecosystem, extending institutional-grade portfolio construction, manager research and alternatives to intermediaries serving individual wealth clients.
  • • Wilshire's current owners, CC Capital and Motive Partners, have agreed to sell the firm, which was founded in 1972 as an index and risk analytics provider.
  • • The deal follows Marsh's completion of its purchase of AltamarCAM on November 4, which lifted Marsh's private markets AUM to approximately $75 billion.
Summary
Marsh has agreed to acquire Wilshire, the investment consulting and analytics firm overseeing $1.6 trillion in assets under advisement, in a transaction that significantly expands the professional services group's presence in advisor-led wealth management. Wilshire's $221 billion in assets under management, model portfolios, alternative investment capabilities and institutional research infrastructure will become part of Marsh's growing investment business. Financial terms were not disclosed. The acquisition is expected to close in the first quarter of 2027, subject to regulatory approvals, client consents and customary closing conditions.

Marsh CEO John Doyle said the acquisition is "an important step in growing Marsh's investments business and strengthening our connection to the financial advisor ecosystem." He pointed to the combination of Wilshire's capabilities with Marsh's global reach, open architecture and expertise across public and private markets. Doyle emphasized that investment research, portfolio construction and access to alternative assets increasingly determine which platforms can compete for advisor business.

Founded in 1972 as an index and risk analytics provider, Wilshire has evolved into a diversified investment organization serving institutions, financial intermediaries and retirement markets. Its operations span multi-asset investment solutions, alternatives, indexes, proprietary analytics and technology. According to the article, Wilshire has developed institutional capabilities that can be delivered through financial intermediaries, extending sophisticated portfolio construction and manager research beyond the pension funds and endowments traditionally associated with the business. Pat Tomlinson, president and CEO of Marsh People and Investments, identified alternatives, model portfolios and data analytics as priorities, and said Wilshire would expand the scale of a platform Marsh has spent the past decade building. Wilshire CEO Jason Schwarz described the agreement as an opportunity to extend a platform built over more than five decades, providing access to global resources.

The deal follows Marsh's completion of its purchase of AltamarCAM, a private markets asset manager and solutions provider, on November 4. That transaction expanded Marsh's private markets AUM to approximately $75 billion and strengthened its secondaries, co-investments, bespoke accounts and evergreen vehicle capabilities. Wilshire adds research, analytics and portfolio infrastructure to complement that private markets operation.

Wilshire's current owners, CC Capital and Motive Partners, have agreed to sell the firm to Marsh, marking a change in ownership for a business whose investment technology and advisory capabilities attracted private equity backing. Wilshire employees across the United States, Europe and Asia are expected to join Marsh at closing. The article characterizes the broader opportunity as the increasingly porous boundary between institutional investment management and advisor-led wealth, with Marsh positioning itself to deliver institutional infrastructure through intermediaries.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Thewealthadvisor Marsh to Acquire Wilshire, Bringing $1.6 Trillion Investment Platform Into Advisor-Led Wealth