AI infrastructure's next 10 winners
The 10 best 3-year stock returns among the AI data center suppliers we found, beyond the ten in Data Centre Magazine's list. Daily closes, Oct 19, 2023 to Oct 19, 2026.
3-year return, ranked
Change in closing price over the full window, in each stock's own currency. Tap a bar to follow that stock in the chart below.
How they moved together
Each line is the % change since Oct 19, 2023. Pick a company to highlight it; hover or drag for every stock's value on a given day.
What each one makes, and why it's rising
Daily closes in the stock's trading currency, each on its own scale, with the evidence tying its growth to AI and a link to the source.
Top 10 figures
Sort by any column. Prices in each stock's trading currency; the US dollar return adds the exchange-rate move.
The industry map
Every public company we found, grouped by what it supplies. The median shows how a typical stock in each industry did; the leader is the best performer that passes the screen. Sort by any column.
Every public company we found
Search, filter or sort, and tap a row to see what the company supplies, the evidence, and why it did or didn't pass the screen.
Private companies we found
Important suppliers that aren't listed on a stock exchange, so they have no share price. Several could list later.
| Company | Industry | Country | What they supply |
|---|
How the list was built. Three research passes ran in parallel. The first mined Data Centre Magazine: about 55 Top 10 lists, its sponsored company reports, white papers, event sponsors, and the full-page ads in 25 magazine issues. The second walked an AI data center part by part, from cooling tower pumps and chillers to transformers, generators and fiber, using DatacenterDynamics, Data Center Frontier and Data Center Knowledge. The third followed the money through AI, data center and power grid ETF holdings, earnings calls and financial media. Each company was then tagged with what it supplies.
The screen. To rank, a company needed a full 3-year price history, a market value of at least US$2 billion, and a source tying its growth to AI or data centers. Bitcoin miners turned AI hosts and pre-revenue companies such as small reactor developers are listed but flagged, because part of their move isn't AI-driven. Recent listings like CoreWeave, Sandisk, Kioxia and GE Vernova are listed with their return since listing. Hyperscalers, telcos and IT services are customers rather than suppliers, so they aren't ranked. The ten companies in the first dashboard are left out.
The recent pullback. Most of these stocks are well below their highs. The Fed raised rates in September 2026, data center developers are paying more to borrow, and Loudoun County, Virginia paused new data center applications for a year (TheStreet).
Prices are daily closes from Yahoo Finance, adjusted for splits but not dividends. Returns are in each stock's trading currency, with the US dollar version alongside. Western Digital's figure doesn't reflect its 2025 Sandisk spin-off. Not investment advice.