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Mariner Wealth Advisors’ First 2025 Acquisition Brings AUM to $550B



Mariner Wealth Advisors has purchased Cardinal Investment Advisors and adds $292 billion in assets and about 40 employees.


Posted January 10, 2025

Overland Park-based wealth management firm Mariner Wealth Advisors announced the acquisition of Cardinal Investment Advisors, increasing Mariner’s total assets to nearly $550 billion.

Headquartered in Chicago, Cardinal adds $292 billion in assets under advisement and about 40 employees to its Mariner Institutional practice, according to a Thursday release. Founded in 2001, Cardinal has offices in Chicago and St. Louis and focuses on insurance companies as well as corporate retirement plans, healthcare systems, foundations and endowments

“Today marks a defining chapter for Mariner in becoming the premier partner for institutional consulting services,” CEO and president of Mariner, Marty Bicknell, said in the release. “In pairing Cardinal’s expertise with Mariner’s resources, we’re equipped to set a new standard in the industry for tailored, innovative solutions that meet the evolving challenges faced by today’s institutional clients.”

Mariner Institutional is a business vertical that was established last year when the company announced a dual acquisition of AndCo Consulting and Fourth Street Performance Partners. The dual acquisition marked Mariner’s first acquisition of 2024.

Mariner expects Cardinal will be fully integrated by the end of March.

In October, Mariner entered into a partnership with Neuberger Berman Capital Solutions marking a minority growth investment in the firm. Mariner also announced its last acquisition of 2024 in December with the purchase of Sarasota, FL-based Atlas Financial and Newport Beach, CA-based Newport Advisory in a pair of deals. Atlas and Newport added approximately $878 million in assets under management, according to a release at the time.