Insights

Public pension funds routinely report that they "beat their benchmark" by hundreds of millions, sometimes billions, of dollars. It's a reassuring headline. It's also, in many cases, a comparison against a benchmark the fund itself chose — and one that can be quietly redefined over time.

Consider a common approach: a fund reports its performance against a "reference portfolio," typically a simple mix of global stocks and bonds. That sounds neutral. But the specific indices chosen inside that mix matter enormously. A global equity index and a purely domestic one (like the S&P 500) can diverge by well over a full percentage point annually over a given period — compounded over 20 years on a large asset base, that's a gap worth tens of billions of dollars, not a rounding error.

It gets more complicated. Some funds have changed the composition of their own reference portfolio over time — swapping a global bond index for a domestic one, for instance — without necessarily restating history under the old methodology. When the yardstick moves, "we beat the benchmark" stops being a fixed, checkable claim and starts being a moving target.

None of this means active management is worthless, or that any specific fund is acting in bad faith. It means the claim "we beat our benchmark" is only as meaningful as the benchmark itself — and boards, journalists, and plan members deserve to know exactly what that benchmark is, who chose it, and whether it's changed.

This is exactly why Basis Point LLC's reports are built from standard, publicly verifiable indices rather than a fund's own custom reference portfolio — so the comparison means the same thing every year.