By Thierry Hasse, Chief Investment Officer
Elevage Partners | August 31, 2026
Part 4 of 4 | The Diversification Series
Almost no one decides to bet their future on a single idea. But it can happen unintentionally, one reasonable decision at a time. You read that artificial intelligence is remaking the economy, so you buy stock in the company making the chips. Then the company making the memory those chips need. Then the one building the data centers, and the utility that powers them. Four companies, four separate decisions, each sensible on its own. And all four rise and fall on the same question: whether the money pouring into AI keeps converting into profit. That is what concentration looks like from the inside. It rarely announces itself as risk. It feels like keeping up.
It Did Not Used to Work This Way

There is a second lesson in that old list. Of those 2006 leaders, only Microsoft is still in today’s top 10. The market’s surest thing has a habit of not staying sure. So following what is winning concentrates you twice over: in a single story, and in whichever story happens to be leading right now, which history says is the one least likely to keep the title.
The instinct behind all of this is not greed. It is memory. We look at what has been climbing and want more of it, and we add to it precisely because it has already paid. That is how the bet grows heaviest at the moment it is most exposed.
You Do Not Have to Guess Which One Wins
A portfolio built across genuinely different forces behaves differently. We own companies that gain as wealth keeps concentrating in the institutions that hold it, a trend we believe is among the most durable of our era. We own companies that live on government spending more than on the market’s mood, in defense and health care, where the money keeps coming regardless of the quarter.
We own the AI build itself, on purpose and in measured size, along with the energy that powers it, because the opportunity is real even when the price runs ahead of it. And we hold real assets and steady income as ballast, to hold their footing and pay you while you wait when the market’s favorite story stumbles.
None of these depends on the same thing going right. In our assessment, that is the quiet advantage of building this way. It does not ask you to predict which story wins, because the plan is not staked on any one of them. You do not have to have followed the right coverage, and you do not have to guess what leads next.
None of this makes sitting still easy, and we would not pretend otherwise. When one story leads every newscast, fills your feed, and turns up at the dinner table, staying put can feel like a mistake you are watching yourself make. But a portfolio that does not depend on one outcome is one you can hold through that outcome. You stay invested through the stumble instead of selling into it, and staying invested is what lets a plan do its work over the years it was built for.
You do not have to predict the future to be ready for it. You only have to build so that no single version of it decides how your story ends.