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A flood of 401(k) money could dampen returns in private assets, experts say - Pensions & Investments

Reported by Pionline
Oct 30, 2025· 3 min read
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Key Takeaways
  • • The Trump administration has directed the Department of Labor to reexamine guidelines on private assets in defined contribution plans, opening the pathway for 401(k) investors to access private equity, private credit, and alternative assets previously restricted to institutional and ultra-high-net-worth investors.
  • • Increased retail capital flowing into private markets could suppress long-term returns across private asset classes, according to J.P. Morgan strategists, who analogize the influx to "adding more on-ramps onto a highway"—amplifying demand and potentially inflating valuations.
  • • Asset managers including BlackRock estimate that adding private assets to 401(k) plans could increase long-term returns by approximately 0.50% annually, though this projection conflicts with warnings that heightened demand from newly eligible retail investors will erode expected returns through valuation compression.
  • • The expansion represents a democratization effort to level investment access between retail workers and wealthy institutional investors, but carries structural risks including illiquidity, limited transparency, high fees, and the absence of daily pricing mechanisms that characterize traditional publicly traded mutual funds.
  • • Private equity investments have historically underperformed broad stock market indices, raising questions about whether expanded 401(k) access will deliver the promised return enhancement for retail retirement savers.
Summary
The Trump administration's push to incorporate private markets into 401(k) retirement plans has triggered a critical debate among asset managers and financial experts about whether broad-based retail participation will ultimately damage long-term returns in alternative asset classes. In August 2025, President Trump signed an executive order directing the Department of Labor to reexamine its guidelines governing private assets in defined contribution plans, effectively opening doors for everyday American workers to invest in non-publicly traded securities—a privilege historically reserved for institutional investors and the ultra-wealthy.

The structural challenge is straightforward: flooding private markets with retail capital could depress future returns despite near-term benefits. David Lebovitz, managing director and global strategist for multiasset solutions at J.P. Morgan Asset Management, framed the dynamic as adding "more on-ramps onto a highway." This metaphor captures the core tension—increased demand from millions of newly eligible retail investors will likely push asset valuations higher across private equity, private credit, and real estate platforms, compressing the return spread that institutional investors have historically enjoyed. While some asset managers, including BlackRock, project that private assets could add approximately 0.50% annually to long-term returns, competing research suggests that newly eligible retail participation will erode expected returns through valuation inflation.

Traditional 401(k) plans have historically offered menus of publicly traded mutual funds with transparent daily pricing, clearly disclosed fees, and liquidity mechanisms that allow investors to reallocate capital rapidly. Private assets operate under fundamentally different mechanics: illiquidity, opaque fee structures, lack of daily pricing transparency, and multi-year lockup periods that restrict capital mobility. Legal experts and retirement security analysts have flagged significant risks, including hidden valuation risks across the private credit market—estimated at $3 trillion—and documented cases where private equity investments have underperformed broad equity indices.

The policy rationale reflects a broader democratization agenda: expanding investment choice and reducing the wealth-based barrier to alternative assets. However, the implementation poses fiduciary challenges for plan sponsors responsible for selecting which private assets to offer participants, coupled with retail investor protection concerns. As this expansion unfolds in 2025, the critical question for institutional investors remains whether the productivity gains from additional retail capital will outweigh the valuation pressure and return compression that typically accompanies market democratization in previously restricted asset classes.

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Sources

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Pionline A flood of 401(k) money could dampen returns in private assets, experts say - Pensions & Investments