Private Equity in Your 401(k): What the New DOL Rule Changes

The default fund in your 401(k) is the most consequential financial decision most people never make. You get auto-enrolled, money lands in a target-date fund named after the year you turn sixty-five, and that is where it sits for thirty years. The whole design is built on not thinking about it.

Which is why a 2026 Department of Labor proposal is worth ten minutes of your attention even though it will never generate a single email to you. It creates a safe harbor letting plan sponsors — your employer, effectively — add private equity, private credit, and in some framings crypto exposure to plan menus, usually tucked inside target-date or multi-asset funds, without taking on new fiduciary liability. The condition is documentation: the sponsor has to show it did due diligence on fees, liquidity, and valuation.

Nothing about this forces a change to your plan. But it removes the main reason plan sponsors said no for the last decade, which was the fear of being sued. Take away the fear and the asset managers who have spent years lobbying for access to the roughly twelve trillion dollars sitting in defined-contribution plans will finally have a door.

So the question is not whether this is good or bad in the abstract. It is narrower and more useful: what would actually change inside the fund you already own, and how would you even know?

What a safe harbor actually does

A little precision here, because "the government is putting private equity in your 401(k)" is not what happened.

Under ERISA, a plan sponsor choosing investments is a fiduciary and must act prudently. That standard is not a checklist — it is judged after the fact, often by a plaintiff's lawyer looking at a fund that underperformed. For years the practical result was that HR departments and their consultants stuck to plain vanilla options, because nobody ever got sued for offering a low-cost index fund.

A safe harbor changes the legal geometry. If the sponsor follows the specified process — documented diligence on fee structure, on how illiquid holdings will be valued, on what happens when participants want their money — then the choice is presumptively prudent. The sponsor is not promising you good returns. It is establishing that it followed a defensible process.

That distinction matters to you in one specific way. The protection attaches to the process, not the outcome. A plan can add an expensive, illiquid sleeve to its default fund, follow every documentation step correctly, deliver mediocre results for fifteen years, and be entirely in the clear. Your recourse is not legal. It is paying attention.

The strange part: illiquid assets inside a daily-priced fund

This is the piece worth genuinely understanding, because it is where the actual engineering risk lives.

A 401(k) fund prices daily. You can move money on any business day, and the fund must hand you a number — a net asset value — that says what your share is worth. For public stocks this is trivial: the market closed, here is the price.

Private equity does not work that way. A stake in a private company has no closing price. It is valued periodically — quarterly is typical — by an appraisal process that depends on comparable transactions, projected cash flows, and a fair amount of judgment by people who benefit when the number is high. That valuation is then reported with a lag.

Put those two facts together and you get the structural problem. A daily-priced fund holding quarterly-appraised assets is publishing a daily NAV that is partly a real price and partly a stale estimate. This produces two specific effects that are easy to misread.

Volatility looks lower than it is. When public markets fall twenty percent in six weeks, an appraisal-based valuation typically does not. It drifts down later, more gently. The fund's reported volatility drops, and the risk statistics on the fact sheet improve. This gets marketed as diversification. Some of it is genuine — private holdings really are different businesses. But a meaningful share is just measurement lag, sometimes called volatility laundering, and it is not a risk reduction. It is a delayed report.

Redemption creates a queue problem. If enough participants move money out during a downturn, the fund has to sell something. It cannot easily sell the private stake, so it sells the liquid portion — which means the people who stay are left holding a fund with a higher proportion of illiquid assets than they signed up for. Fund structures handle this with liquidity sleeves, gates, and caps on the private allocation, typically in the ten-to-fifteen percent range. Those mechanisms mostly work. They are also mostly untested in a serious sustained drawdown inside a retirement plan, because this has not existed at scale before.

Neither of these makes private assets a scam. Pensions and endowments have held them for decades, and they have real advantages — a longer investable universe, exposure to companies that never go public. The point is that the wrapper matters. Assets that work well in a pension fund with a thirty-year horizon and no daily redemptions behave differently in a vehicle designed for daily liquidity.

The fee arithmetic, done plainly

This is the part where the numbers are not ambiguous, so let me just show them.

A broad-market index fund in a decent 401(k) costs somewhere between 0.03% and 0.10% a year. A standard target-date fund runs 0.08% to 0.20%. Private equity has historically charged something close to two percent of assets annually plus twenty percent of profits above a hurdle — the famous "two and twenty" — although retail-oriented structures are cheaper, and the versions likely to appear in plan menus will be cheaper still.

Assume conservatively that a target-date fund adds a ten percent private sleeve and its blended expense ratio goes from 0.12% to 0.45%. That is a 0.33 percentage point drag. It sounds trivial. Here is what it does over a working life.

Take $200,000 growing at 7% nominal for 25 years. At 0.12% in fees you end with roughly $1,055,000. At 0.45% you end with roughly $977,000. The difference is about $78,000 — roughly 7.4% of the final balance, gone to fees, before the private allocation has done anything at all for you.

That is the hurdle. The private sleeve is not required to beat the public market. It is required to beat the public market by enough to cover its own fee drag, at the scale a retirement plan runs at, with the manager selection your plan sponsor happened to make. Top-quartile private equity managers have historically cleared that bar. Median managers, after fees, largely have not — and the dispersion between top and median in private markets is far wider than in public equity, which means manager selection carries most of the outcome.

Your plan sponsor does not get top-quartile access by default. Capacity in the best funds is constrained and expensive, and a mid-size employer's 401(k) is not the buyer those funds are competing for.

How to spot the allocation on a fact sheet

Nobody is going to send you a notice saying "your default fund has changed character". The disclosure will be a revised summary prospectus and an updated fact sheet, which almost nobody reads. Here is where to actually look.

Find the fund fact sheet. Log into the plan portal, click the fund name, look for "fact sheet" or "fund profile" — usually a two-page PDF, updated quarterly.

Read the asset allocation pie in full. You are looking for any slice that is not plain stocks, bonds, or cash. Language to notice: private markets, private credit, direct lending, real assets, alternatives, diversifying strategies, opportunistic credit, private placements. "Alternatives" and "diversifying strategies" are the ones that hide the most.

Check the net expense ratio against last year's. This is the single fastest signal. A target-date fund that went from 0.14% to 0.48% did not get more expensive by accident.

Look for a valuation or liquidity note. Any fund holding private assets must disclose how it values them. Phrases like "fair value determined in good faith", "valued using unobservable inputs", or "Level 3 assets" tell you that some portion of the NAV is an estimate rather than a market price.

Read the underlying holdings list, not just the glide path. Target-date funds are funds of funds. The private sleeve will appear as a holding one level down, so the top-level pie chart can look conventional while the constituent fund carries the exposure.

Five questions to ask HR — or your plan provider

Send these in one email. You are entitled to plan documents under ERISA, and a specific written question gets a far better answer than a vague one. Nothing here is confrontational; you are asking for disclosures the plan already has to produce.

1. Does our plan's default investment currently hold any private equity, private credit, or other private-market assets? If so, what percentage, and when was it added? The date matters. A change made without notice is worth knowing about.
2. What was the net expense ratio of the default fund in each of the last three years? Three years of numbers turns a single figure into a trend, and a trend is much harder to explain away.
3. How are the private holdings valued, how often, and by whom? You want to know whether valuation is done by an independent third party or by the manager holding the asset. Also ask about the reporting lag.
4. What happens to redemptions if a large share of participants move out of the fund at once — are there gates, caps, or a liquidity sleeve, and what are the limits? The answer should be specific. A vague answer here is itself the answer.
5. What plain index-fund options remain available, and at what cost? This is the exit. If the answer is a decent low-cost total-market fund, you always have somewhere to stand.

If you get a non-answer, escalate once, politely, in writing. Plan sponsors respond to documented participant questions differently than to hallway conversations, and a written question creates a record for the person whose job it is to run the plan prudently.

What to actually do about it

My honest read: for most people this changes nothing about the right behavior, and the correct response is attention rather than action.

If you are in a target-date fund and its expense ratio is still under about 0.20%, nothing has happened to you. Keep contributing and go do something else with your afternoon. Check the fact sheet once a year — put it next to whatever annual chore you already reliably do.

If the expense ratio has jumped and you now hold a private sleeve you did not choose, you have a real decision, and it is not automatically "get out". A ten percent allocation at a 0.45% blended fee is a modest drag, not a catastrophe. What it is not is free diversification. Weigh it against the alternative your plan offers: if there is a total-market index fund at 0.05% and you are comfortable managing your own stock-bond mix, that is a defensible and cheaper place to be.

If you are within about ten years of retirement, look harder at the liquidity terms than at the returns. Sequence-of-returns risk is the real danger in that window, and an asset you cannot exit cleanly during a bad stretch is a different animal from one you can.

The thing I would resist is treating this as a referendum on private equity. It is not. Private markets are a legitimate asset class that has done real work in institutional portfolios. What is new here is the wrapper, the fee layer, the daily-liquidity mismatch, and the fact that the buyer is a default-enrolled participant who never opted in to anything. Those are all questions about plumbing, and plumbing is where retirement outcomes actually get decided.

This is general information about how retirement plan mechanics work, not investment advice. Your plan's specific terms, your tax situation, and your time horizon all matter, and none of them are visible from here.

Frequently asked questions

Is private equity now required to be in my 401(k)?
No. The proposal creates permission and legal cover, not a mandate. Your employer chooses the plan menu, and many will decline — particularly smaller plans and those with cost-conscious consultants. Nothing is automatic.

Will I be notified if my target-date fund adds private assets?
Formally, through updated fund documents and a summary prospectus. Practically, most people will not notice, because these arrive as attachments nobody opens. The expense ratio on the fact sheet is the reliable tell.

Isn't private equity how large pensions get better returns?
Sometimes, and the comparison is instructive rather than reassuring. Large pensions negotiate lower fees, access top-tier managers, hold for decades, and have no daily redemption obligation. A 401(k) participant in a retail-structured fund has none of those four advantages. The asset class is the same; the terms are not.

Should I move everything to an index fund to avoid this?
Not reflexively. A small private allocation inside an otherwise sound fund is not a reason to abandon a good plan. Decide on the total cost and on whether you would actually manage your own allocation well — many people do worse after taking the wheel than they did on autopilot.

What about crypto showing up in plan menus?
Some framings of the safe harbor cover digital assets alongside private credit and equity. The valuation issue is the opposite here — crypto prices constantly, so the concern is volatility and permanent-loss risk rather than stale marks. Treat any allocation in a default retirement fund as something to look at deliberately, not accept by inertia.

The uncomfortable truth about default funds is that they were designed to be ignored, and that design worked. It is worth asking, once a year, what exactly you are ignoring.