✦ Putting Private Assets Inside the 401(k)Thin moat

The defined contribution system is where the most durable money in the world lives. Contributions arrive automatically from payroll, allocations are set by plan design rather than by participants, and the assets stay for decades because nobody is making a decision about them.

BlackRock is already deep in it, with $3.9 trillion of pension assets across defined benefit, defined contribution and other plans¹. What it is not is well paid for the defined contribution part, because that money sits overwhelmingly in index funds priced at the bottom of the market.

The bet is to change what is inside the default fund. Putting private-market exposure — infrastructure, private credit — into a target-date series would raise the fee on the largest and stickiest asset pool available, and would give the private-markets franchise a distribution channel no competitor could easily match. It is the point where the acquisitions and the retirement business meet, and it is the single largest prize in this collection of bets.

It is also the hardest. A daily-priced retirement fund holding assets that are valued quarterly by their own manager is a genuine construction problem, not merely a regulatory one. And the fiduciary environment is hostile to exactly the three characteristics private assets have: higher fees, less liquidity, and valuations that cannot be independently verified.

Progress here will be slow, contested, and worth watching more closely than anything else BlackRock does, because the arithmetic is enormous. A single percentage point of the American defined contribution system, repriced from index rates to private-market rates, is worth more than most of what is on this page.