Advisory M&A News – 5/6/2026

Apollon Wealth Management Taps $650M Senglaub Financial

Apollon Wealth Management, LLC partnered with Senglaub Financial Group, a financial planning firm overseeing $650 million in client assets. The firm, which is based in Delafield, Wisconsin, expands Appollon’s footprint in the Midwest.

Senglaub Financial was founded in 1965 and is led by a father-daughter duo—Jeff Senglaub and Christy Senglaub—who are wealth management advisers and managing directors. Their team includes Craig Rusch, wealth management adviser; Jamie McCourt, director of operations of financial planning; Brett Nowatske, senior client financial planner; Gail Bellman, operations manager; Rea Krivohlavek, client service associate; Kim Seymour, client service associate; and Ben Weltzien, client service paraplanner.

Apollon Wealth Management LLC and its advisory affiliate, Apollon Financial, collectively manage approximately $15 billion in client assets.

Mercer Advisors Acquires Eagleson Arndt Financial Advisors

Mercer Global Advisors Inc., a national registered investment adviser, acquired Eagleson Arndt Financial Advisors, a women-led wealth management firm based in Thousand Oaks, California, with approximately $100 million in assets under management.

Eagleson Arndt Founder Vicki Arndt and Client Relationship Manager Kathryn Freid provide financial advice to families, business owners and primary earners.

By joining Mercer Advisors, Eagleson Arndt clients gain access to integrated family office services, including tax planning and preparation, estate planning and institutional-grade investment management.

Mercer Global Advisors, headquartered in Denver, has more than 1,560 employees across more than 110 locations and had $98 billion in client assets,, as of January 31.

$1.5B Gateway Investments Transitions to Osaic’s Empowered Independence

Osaic Inc., a wealth management platform provider, announced that Gateway Investments LLC and Retirement Advisory Services Corp, a Garden City, New York-based advisory team led by Managing Director Thomas Santucci, have transitioned to the firm’s Empowered Independence (W-2) channel.

The team oversees $1.5 billion in assets under management and includes six advisers. Gateway Investments has been affiliated with Osaic since 2004 through its 1099 channel.

5 Firms Merge Under Prosperity Capital Advisors

Prosperity Capital Advisors, a registered investment adviser, announced that five firms, including JL Smith Holistic Wealth Management, Alison Wealth Management, OneTeam Financial, Hammer Financial Group and FSC Wealth Advisors, are coming together under the Prosperity brand.

The combined firm will have 152 professionals, including 98 investment adviser representatives, and oversaw a total of $4.7 billion in assets under management as of December 31, 2025.

Osaic Adds Eric Westall to Innovative Financial Group

Osaic Inc. announced that financial adviser Eric Westall joined the firm through its office of supervisory jurisdiction, Innovative Financial Group, bringing more than $250 million in client assets.

Based in Chesterfield, Missouri, Westall transitions from Stifel Independent Advisors and will continue serving high-net-worth individuals and business owners with wealth management and planning strategies.