A 401(k) is the main way most Americans save for retirement.

For decades it has held mostly stocks and bonds, through simple funds.

A new order aims to let it hold private assets too, like private equity and private credit.

On August 7, 2025, the president signed an order on retirement savings.

It directs the Labor Department to open 401(k) plans to alternative assets.

Those include private equity, private credit, real estate, and digital assets.

On August 12, 2025, the Labor Department pulled back a 2021 warning that had discouraged this.

The change could route trillions in retirement money toward private markets.

A 401(k) offers a menu of funds, and most savers pick the default.

The default is usually a target-date fund that adjusts as you age.

The plan sponsor, your employer, chooses that menu under a legal duty of care.

To add private assets, sponsors would fold them into those default funds.

But private assets do not trade daily, while 401(k) savers can move money any day.

So the fund must hold a sleeve of cash or public assets to meet daily moves.

The first stress point is the liquidity mismatch. Daily savers, slow assets, a familiar strain.

The second is pricing. Private assets are valued by managers, not a live market, so daily values are estimates.

The third is cost. Private funds charge far more than index funds, which drags on long-run returns.

The fourth is the default. Money placed by default carries extra duty, because savers did not choose it.

Private assets can add return and spread risk, and big pensions have used them for years.

Bringing that access to regular savers is a real change, and it has genuine upside.

What can break is the fit. A slow, costly, hard-to-price asset inside a daily, low-cost account is a tension.

You can watch your own plan. Fund fact sheets show fees, holdings, and how assets are valued.

A rising fee and a private sleeve are the signs the mix has changed.

The order opens the retirement machine to private assets, with all their promise and their frictions.

The upside is access; the strain is fitting slow, costly assets into a daily, low-cost account.

The next test is the Labor Department's new guidance, due within 180 days. Watch your target-date fund's fees and holdings.