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AllianceBernstein, Brookfield, Carlyle Latest Alts Managers to Partner on Private Fund for 401(k)s

Reported by Thedailyupside
May 21, 2026· 2 min read
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Key Takeaways
  • • AllianceBernstein, Brookfield, and Carlyle launched "ABC [ONE]," a turnkey private markets solution designed specifically for Defined Contribution (DC) retirement plans, marking a significant expansion of private asset access for 401(k) participants.
  • • The collaboration divides asset management responsibilities across three firms: Brookfield manages private real assets, Carlyle oversees private equity, and AllianceBernstein (with $105 billion in AUM in custom target-date solutions) manages private credit allocation and overall glide path design.
  • • ABC [ONE] is structured as a single QDIA (Qualified Default Investment Alternative) source that dynamically adjusts private market allocations based on participant age and retirement stage, integrating alongside existing target-date funds or managed-account solutions.
  • • The product addresses structural market headwinds by offering inflation-adjusted return potential and enhanced diversification, responding to the reality that public markets are expected to deliver lower real returns over the coming decade.
Summary
Three major alternative asset managers have partnered to democratize private markets access for retail retirement savers. AllianceBernstein, Brookfield Asset Management, and Carlyle announced a collaboration to deliver "ABC [ONE]," a unified private markets solution designed for Defined Contribution plans seeking to broaden asset class diversification beyond traditional public equity and fixed-income exposures.

The product architecture reflects deep specialization across the three partners. AllianceBernstein, leveraging its expertise in glide path design and custom target-date solutions with $105 billion in assets under management, will serve as the lead portfolio allocator and manage the private credit component. Brookfield, a global alternative asset manager with more than $750 billion in AUM across renewable power, infrastructure, private equity, real estate, and credit businesses, will oversee the private real assets allocation. Carlyle will manage the private equity exposure. This division of labor allows each firm to deploy core competencies while presenting a single, integrated product to plan sponsors.

ABC [ONE] is engineered to function as a standalone QDIA that complements existing retirement plan structures—whether target-date funds or managed-account solutions. The key innovation is its dynamic rebalancing mechanism: private asset allocations across credit, real assets, and equity automatically adjust according to participant age and retirement stage. This glide path approach mirrors the framework established for traditional asset allocation but extends it into illiquid alternatives, addressing a longstanding gap in DC plan design.

The strategic timing reflects evolving market dynamics and plan sponsor priorities. The partners explicitly cite inflation-adjusted return expectations remaining subdued over the coming decade and the decreasing diversification benefits of traditional public market exposure as primary drivers. By incorporating professionally managed private markets within DC retirement solutions, ABC [ONE] seeks to enhance after-inflation returns while reducing concentration risk in public equities and bonds. This positioning directly addresses changing plan sponsor appetite for private assets as pension plans and institutional investors increasingly allocate capital to alternatives.

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Sources

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Thedailyupside AllianceBernstein, Brookfield, Carlyle Latest Alts Managers to Partner on Private Fund for 401(k)s