Find small-cap European nuclear & SMR stocks is a Semibadger research list. We trawl the world's exchanges for European nuclear & SMR stocks — names that trade below a $5 billion market cap, often well below, and that have a credible angle into the AI-infrastructure build-out: chips, packaging, power, optics, cooling, nuclear, or the materials that underpin all of it.
Why bother with the small end of the market? Because the obvious winners — the trillion-dollar names — are already priced for perfection. The interesting risk-reward sits with the suppliers, the picks-and-shovels, and the regional specialists most people have never heard of. Some of these will be duds. A handful might be tomorrow's headlines. This page intersects two filters: the European listing region and the nuclear & SMR theme.
Every ticker on this page links through to a full profile with a 5-year chart, headquarters, sector, an AI-expanded "what they do" description and the badger's one-line take. Treat it as a starting point for your own research, not a buy list. Nothing here is financial advice.
12 stocks the badger sniffed out
POET
USPOET Technologies
🦡 Optical interposer platform for AI transceivers
LWLG
USLightwave Logic
🦡 Electro-optic polymer modulators — pre-revenue moonshot
RPI.L
UKRaspberry Pi Holdings
🦡 Edge compute & IoT silicon, beloved by hobbyists
ACMR
USACM Research
🦡 Wafer-cleaning equipment with deep China exposure
AEHR
USAehr Test Systems
🦡 Wafer-level burn-in for SiC and AI chips
NVTS
USNavitas Semiconductor
🦡 GaN power chips for AI data-centre PSUs
WOLF
USWolfspeed
🦡 Silicon-carbide pure-play, post-restructure turnaround
INDI
USindie Semiconductor
🦡 Auto-grade sensing chips for ADAS
HIMX
USHimax Technologies
🦡 Display drivers & WLO optics for AR glasses
POWI
USPower Integrations
🦡 High-voltage power-conversion ICs
PLAB
USPhotronics
🦡 One of two independent photomask makers
ICHR
USIchor Holdings
🦡 Gas/fluid delivery subsystems for fab tools
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Semibadger maintains 150 small-cap AI-infrastructure research lists. Back to the main burrow.
