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Absence of ‘Meaningful’ Benchmarks Bedevils 401(k) Private-Markets Investing

Reported by Wsj
Jun 29, 2026· 3 min read
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Key Takeaways
  • • The absence of standardized, real-time "meaningful benchmarks" for private-market investments in 401(k) plans creates a critical governance and transparency challenge for plan fiduciaries and retail investors, limiting their ability to assess performance and compare alternative asset strategies against comparable indices.
  • • Over 90 million Americans participate in employer-sponsored defined-contribution plans but lack access to alternative assets that are routinely available to wealthy investors and public pension beneficiaries, creating a significant diversification gap in retail retirement portfolios.
  • • Private-market investments in 401(k)s present structural obstacles including lack of real-time pricing transparency, higher fee structures, complex performance disclosures, and reduced liquidity compared to publicly traded securities, making suitability assessment difficult for plan fiduciaries.
  • • The White House Executive Order 14330 aims to expand alternative asset access within 401(k) plans by reducing regulatory barriers, but legal challenges and Department of Labor guidance have created litigation risk and stalled implementation, denying millions of Americans potential growth and diversification benefits.
  • • Fiduciaries must navigate competing imperatives: expanding investment opportunities for plan participants while maintaining prudent oversight, careful vetting of investment managers, and compliance with fiduciary duties to invest safely—all hampered by the absence of uniform performance benchmarking standards.
Summary
The expansion of private-market investments into employer-sponsored 401(k) plans has collided with a fundamental infrastructure deficit: the lack of standardized, real-time "meaningful benchmarks" against which to measure and compare alternative asset performance. This benchmarking gap creates acute challenges for plan fiduciaries tasked with evaluating manager capability and protecting retirement savings for over 90 million American plan participants who currently have limited or no access to private equity, private credit, and real estate investments.

Unlike publicly traded stocks and bonds, which are priced continuously and compared against established indices, private-market assets lack real-time pricing transparency and comparable performance standards. This opacity complicates fiduciary decision-making and performance monitoring—core fiduciary duties under ERISA. Plan sponsors and administrators cannot easily assess whether private-market allocations are delivering returns commensurate with their risks and fees relative to alternative strategies, creating a governance blind spot that litigation and regulatory scrutiny have exposed.

The policy impetus to democratize alternative asset access is substantial. Executive Order 14330 explicitly acknowledges that wealthy Americans and public pension beneficiaries enjoy diversified exposure to alternatives while the vast majority of defined-contribution plan participants do not. The Administration framed alternative assets as offering "competitive returns along with diversification opportunities" comparable to institutional investor portfolios. However, this expansion has been stalled by litigation targeting fiduciary decisions to incorporate private offerings, compounded by Department of Labor guidance and regulatory uncertainty that has deterred plan sponsors from moving forward.

Fiduciaries must balance competing obligations: expanding investment choice and opportunity for participants while fulfilling their duty to invest prudently and safeguard retirement capital. This balance remains precarious without standardized benchmarks. The structural challenges—including higher fees, lower liquidity, and disclosure complexity—require robust performance comparability frameworks to justify alternative allocations to participants and demonstrate prudent stewardship. Until meaningful benchmarking standards are established and widely adopted, the expansion of private markets in 401(k)s will likely remain contested, limited in scale, and subject to ongoing legal and regulatory friction.

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Wsj Absence of ‘Meaningful’ Benchmarks Bedevils 401(k) Private-Markets Investing