Bernstein Private Wealth Management Appoints Kim Mustin to Lead Fast-Growing Business Owner Segment
Rhea-AI Summary
Bernstein Private Wealth Management (NYSE: AB) appointed Kim Mustin to lead its expanding Business Owner segment and retain leadership of 401(k) and Cash Balance offerings while serving as Co-Senior Managing Director, New York Region. The move underscores focus on founders and integrated wealth planning.
Bernstein said 75% of its wealth advisors serve business owners, Q1 2026 new Business Owner business already represents >30% of full-year 2025, and Bernstein manages $156 billion AUM as of Dec 31, 2025.
Positive
- Q1 2026 new business represents >30% of full-year 2025
- 75% of wealth advisors serve business owners
- $156B AUM at Bernstein as of Dec 31, 2025
- Expanded leadership to integrate ownership-cycle and family office services
Negative
- None.
News Market Reaction – AB
In the Mar 31 session, AB gained 2.69%, reflecting a moderate positive market reaction.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Historical Context
| Date | Event | Sentiment | 24h Move | Catalyst |
|---|---|---|---|---|
| Mar 11 | AUM update | Positive | -3.3% | Reported AUM increased to $880B, driven mainly by market appreciation. |
| Feb 17 | Tech platform deal | Positive | +1.4% | Selected SimCorp One to unify investment workflows and scale operations. |
| Feb 11 | AUM update | Positive | +0.6% | Announced AUM rose to $875B with broad asset‑class growth. |
| Feb 05 | Earnings results | Positive | -0.2% | Reported record AUM and earnings with margin expansion and higher distributions. |
| Jan 12 | AUM update | Positive | -1.4% | Disclosed AUM increase to $867B despite slightly negative net flows. |
24h Move is the share-price change in the day after each event; other market factors may also have contributed.
Recent AUM and earnings updates were generally positive, yet price reactions more often skewed negative, indicating a tendency toward selling or muted responses on good news.
Over the last few months, AB has regularly reported growing assets under management, with AUM rising from $867B at Dec 31, 2025 to $880B by Feb 28, 2026. Q4 and full‑year 2025 results highlighted record $866.9B AUM and solid profitability metrics. Despite this, several updates led to negative or only modestly positive price moves. Today’s leadership expansion at Bernstein Private Wealth fits the broader story of scaling higher‑value private wealth and business‑owner relationships within the AB platform.
Key Terms
liquidity event financial
family office financial
assets under management financial
AI-generated analysis. How Rhea-AI works. Not financial advice.
― Expanded Leadership Role Highlights Firm's Strategic Commitment to Entrepreneurial Clients ―
―
― New Business Growth Accelerates, with Q1 2026 Run Rate Over
"I am thrilled to congratulate Kim on this well-deserved expansion of her role," said Meyers. "Her proven track record of building successful teams and delivering results for entrepreneurs and private equity clients makes her the ideal leader to grow and scale this platform. Bernstein's approach to serving business owners is truly distinctive and with Kim at the helm, we are confident we will continue to remain a trusted, long-term partner to one of our fastest-growing client segments nationwide."
In her enhanced role, Mustin will spearhead Bernstein's strategy to integrate insights across the firm's business owner ecosystem, delivering a holistic approach to both business and personal wealth planning needs for founders. This leadership expansion underscores Bernstein's commitment to its Business Owner segment, where
Mustin added, "For many founders, a liquidity event is a once in a lifetime moment that can profoundly affect them and their families. Yet most face this process without prior experience, needing to make critical decisions about valuation, timing, tax strategy, and what comes next. Our role is to help clients prepare for this pivotal moment while supporting their families and the future of their businesses. I'm excited to expand my role and deliver a modern family office experience that adds value throughout the entire ownership journey."
With over 35 years of experience spanning financial services industry and civil service, Mustin joined Bernstein in 2017 to co-lead its
For over 60 years, Bernstein has partnered with business owners at every stage of their journey, from building and scaling enterprises to planning transitions and preserving multigenerational wealth. The firm combines deep expertise in ownership-cycle planning with an integrated family office model that includes investment management, tax and estate planning, philanthropic advisory, and succession planning all designed to prepare families for the next generation of stewardship. Bernstein also provides access to a curated founder network through exclusive Business Owner Summits and Forums, where entrepreneurs and wealth creators connect, share ideas, and navigate the evolving private markets landscape.
As of December 31, 2025, Bernstein manages
Bernstein Private Wealth Management advises ultrahigh- and high-net-worth clients on planning and living with the complexities that come with significant wealth. Bernstein is distinguished among major wealth managers by its expertise in navigating life transitions through a holistic approach. A flexible process—paired with innovative research, sophisticated modeling, and cutting-edge investment solutions—also set Bernstein apart. Headquartered in Nashville, TN, Bernstein is a business unit of AllianceBernstein, which ranks among the largest investment managers in the world, with offices in major world markets across 26 countries and jurisdictions and over
CONTACT: Katrina Clay, katrina.clay@bernstein.com
View original content:https://www.prnewswire.com/news-releases/bernstein-private-wealth-management-appoints-kim-mustin-to-lead-fast-growing-business-owner-segment-302730239.html
SOURCE Bernstein Private Wealth Management