If you thought the AI trade was crowded in 2025, the latest 13F data suggests institutions didn’t rotate—they concentrated even further.
Between December 2025 and February 2026, institutional portfolios told a very clear story: stick with the winners.
NVIDIA didn’t just top the list—it dominated it. Alongside Microsoft, Apple, Amazon, and Broadcom, a handful of mega-cap names absorbed an outsized share of institutional capital. These aren’t just popular stocks—they’ve become systemically important positions across funds.
But what’s more interesting isn’t just what’s at the top—it’s what’s missing.
There’s little evidence of a broad rotation into small caps or beaten-down sectors. Instead, investors leaned into a barbell strategy:
On one end: high-growth AI and tech leaders
On the other: defensive giants like Coca-Cola, P&G, and healthcare names
This suggests a market that’s optimistic—but not fully confident.
In other words, institutions are betting on the future (AI), while quietly preparing for uncertainty.
And that creates a tension:
If AI keeps delivering → concentration pays off
If sentiment shifts → these crowded trades could unwind fast
The takeaway?
This isn’t a diversified market—it’s a conviction-driven one.