Smart money is quietly loading up on the companies that make those chips possible.
9 AI infra stocks nobody's talking about 🧵
My thesis in one sentence: Hyperscalers are committing hundreds of billions to AI buildout.
These companies have record backlogs. Expanding margins. And still trade at industrial multiples.
The repricing hasn't happened yet and that's the trade.
The AI supercycle has a physical constraint problem that the market is mispricing the infrastructure powering the AI.
Hyperscalers are committing hundreds of billions to buildout, but the critical path runs through electrical contractors, thermal management, and chip fabrication tooling.
These bottleneck businesses carry record backlogs, structurally expanding margins, and legacy industrial multiples that have not yet been repriced to reflect their irreplaceable position in the supply chain.
1) Semis / Chip Supply Chain
$PLAB
(Photronics)
makes photomasks, the stencils used to print circuits on every AI chip. Record high-end revenue, up 60%+ in 2026, and as AI chips grow more complex PLAB's role in the supply chain becomes more critical.
$AEHR
wafer testing/reliability systems for AI chips. A critical but overlooked component of the AI chip supply chain, it secured follow-on orders from a hyperscaler and is being evaluated by a leading AI processor supplier. A bottleneck play with no substitute.
$SKYT
(SkyWater Technology)
US-based foundry with a quantum computing angle. Rare in that it's domestic sovereign chip manufacturing with government program exposure.
2) Power / Grid (the invisible layer)
$MYRG
(MYR Group)
electrical contractor that literally wires data centers and transmission infrastructure. Delivered record net income, EBITDA, and backlog in Q1 2026. EPS of $2.99 vs $2.00 estimated, with a record $2.84 billion backlog, driven directly by data center construction demand. Stock jumped 20% on earnings.
$NVT
(nVent Electric)
power connectivity and enclosures for data centers. Less glamorous than VRT, far less priced in.
3) Cooling (entire subcategory missing from your list)
$MOD
(Modine Manufacturing)
sharpening its entire business around thermal management for data centers, with plans to spin off its legacy automotive unit to become a pure-play data center cooling company. Less than 10% of data centers are liquid-cooled today, every GPU generation pushes that number higher.
4) Compute / Neocloud
$CRWV
(CoreWeave)
just went public in 2025. Generated $5.1 billion in revenue and is guiding $12–13 billion for 2026, roughly 140% growth, against a contracted revenue backlog exceeding $66 billion. Not exactly a secret anymore but dramatically underrepresented on retail watchlists. Exoswan
5) Defense / Drones (missing names)
$RCAT
(Red Cat Holdings)
defense drone revenue is real and growing, with multiple analyst Buy ratings. The pure-play small-cap drone name with actual DoD contracts.
$BBAI
(BigBear ai) defense AI analytics, searching for a floor but has genuine government contract infrastructure.
6) Robotics / Physical AI (missing the hardware layer)
$AEVA
(Aeva Technologies) — designs 4D LiDAR systems with hardware and software for autonomous vehicles — LiDAR being the motion-sensing technology offering superior performance to traditional cameras. Tiny market cap, but if physical AI/robotics ramps, perception sensors are non-negotiable. Yahoo Finance
7) AI Data Training / Annotation
$INOD
(Innodata)
provides the high-quality data used to train LLMs. Every model needs training data. It posted record revenue and a fifth consecutive top- and bottom-line earnings beat, with management confirming 45% year-over-year growth for full-year 2025. Completely ignored by the "hardware" crowd but structurally essential.
Everyone's buying the AI. Nobody's buying the infra, hardware, supplies that makes these hyperscalers.
This is where the alpha is.
https://x.com/arndxt_xo/status/2050966510781538385
