AI Small Cap Stocks Riding The Surge In AI Infrastructure Demand

Record Taiwan export orders in July 2026, driven by AI focused tech demand across the US, China and ASEAN, show how quickly capital is chasing smaller specialists that power this shift. That is where the AI Small Caps screener comes in. It filters for lesser known companies building the tools and data intelligence behind this surge. This article highlights 3 of the most notable stocks from that list.

The three AI stocks in this article are only a starting sample from that screen, and the full results include one more company with an equally compelling AI story that is not covered here. To go deeper, identify potential front runners, and analyze their fundamentals side by side, head straight into the AI Small Caps screener.

Quarterhill (TSX:QTRH)

Quarterhill is a Toronto based tolling and intelligent transportation systems company that builds hardware and software used in toll roads, traffic safety, and logistics, with a growing focus on AI and machine vision for image based processing, vehicle and vulnerable road user detection, tire anomaly detection, and traffic analytics. The company currently generates about US$159 million from its Intelligent Transportation Systems segment, which is the core of the business, and has a market cap of roughly CA$350 million, putting it firmly in small cap territory.

Quarterhill provides direct exposure to AI that is already embedded in real world infrastructure, from video based enforcement and safety systems to tire anomaly detection and weigh in motion projects in places like Oklahoma, Illinois, South Korea, and Thailand. The stock currently sits at an interesting crossroads, with AI heavy tolling and traffic platforms, a sizeable long term contract backlog, and analyst targets that are above the current share price, but also a recent record of losses and a balance sheet that has needed covenant waivers. For investors who can accept contract risk, government exposure, and execution questions after a major restructuring, the mix of tangible AI use cases and potential margin improvement may make Quarterhill worth a closer look.

Quarterhill’s AI tolling and traffic platforms sit on a sizeable long term contract backlog that many investors may be underestimating. Before you decide how that story plays out, scan the 2 key rewards and 2 important warning signs (1 is major!)

Build your own AI tolling and infrastructure shortlist

Quarterhill and the other two AI stocks in this article all came from a single screen, but the real edge is in setting filters that match how you like to invest. Use our customisable Screener to mix valuation, balance sheet strength, risks and more, or tap into the ready made themes in our Investing Ideas.

Gatekeeper Systems (TSXV:GSI)

Gatekeeper Systems focuses on video security for buses and public transit, with a growing AI layer that powers dash cams, student and pedestrian protector cameras, and cell phone detection systems using machine learning to interpret footage and trigger safety alerts. The company generated about CA$39.9 million from electronic security devices, largely across the U.S. and Canada, and has a market cap of roughly CA$191 million, which keeps it firmly in small cap territory.

Gatekeeper Systems gives you exposure to AI that is already wired into school buses and transit fleets, where hardware sales increasingly come with software and subscription revenue tied to its G4 Vision, HEALTH CHECK and CLARITY platforms. Rapid contract momentum, index inclusion and recent moves into light rail indicate that the installed base for AI video analytics is widening. Investors still need to weigh unprofitable periods in recent years and reliance on higher risk borrowing. For those interested in how a relatively small security vendor is working to turn AI cameras and analytics into a scalable business, this is one story worth following closely.

Gatekeeper Systems is wiring AI into everyday transport, yet many investors are still treating it like a simple hardware vendor. Get the full story on margins, contracts and balance sheet pressure in the analysis report for Gatekeeper Systems

Quantum eMotion (TSXV:QNC)

Quantum eMotion is a Montreal based quantum cryptography company that builds hardware and software to secure data for sectors like cybersecurity, finance, healthcare, and government, with eShield-Q directly aimed at protecting AI and cloud workloads through quantum resilient encryption and secure key generation. The company is still very early stage on revenue, so investors are effectively paying for the technology stack and its potential rather than current sales. Quantum eMotion has a market cap of about CA$680 million, which places it in the higher end of the small cap bracket for this screener.

Quantum eMotion may merit a spot on your watchlist if you care about how AI data and models are kept secure. eShield-Q is built specifically to protect AI pipelines in cloud and edge environments, and the recent MoU with Vertical Data suggests how that technology could be plugged into real GPU clusters and edge data centers. At the same time, the business is unprofitable, revenue is tiny, and the stock trades on a rich P/B multiple, so execution and funding risk are important considerations. Investors following the space may view Quantum eMotion as a focused exposure to quantum safe AI security that many market participants are not yet paying close attention to.

Quantum eMotion’s quantum safe AI story is still in its early stages, yet the market cap already reflects big expectations. Get a clearer sense of what is priced in and what may be missing in the analyst forecasts for Quantum eMotion

Seeking Fresh Paths Beyond These AI Stocks

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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