Undervalued Growth Stocks Set for 2026 Rebound: AST SpaceMobile, Viant Technology, and VTEX

In the realm of value-based growth investing, identifying companies poised for sector-driven re-rating while trading at significant discounts to intrinsic value is a rare but powerful opportunity. As 2026 approaches, three stocks-AST SpaceMobile (ASTS), Viant Technology (DSP), and VTEX (VTEX)-stand out as compelling candidates. These firms operate in high-growth industries-space-based connectivity, digital advertising, and e-commerce-while trading at estimated discounts to fair value of up to 47.2%. Their robust cash flow projections and strategic positioning in transformative markets make them ideal for investors seeking to capitalize on undervalued innovation.

AST SpaceMobile: Pioneering Space-Based Connectivity at a 60.6% Discount to Fair Value

AST SpaceMobile's third-quarter 2025 results underscore its rapid progress in building the first commercial space-based cellular network. , driven by U.S. government contract milestones and gateway deliveries. The company has , with commercial agreements now in place with stc Group and Verizon.

Despite its high valuation metrics- of 20.6x-a (DCF) analysis suggests ASTS is undervalued by 60.6%, with . This apparent contradiction reflects the company's dual narrative: while its asset-based metrics appear inflated, its forward-looking cash flow potential and market expansion justify the premium. ASTS is projected to capture a significant share , driven by its ability to deliver cellular broadband to remote and underserved regions.

Viant Technology: AI-Powered Advertising with a 30.7% Fair Value Discount

Viant Technology is leveraging AI and programmatic advertising to disrupt the digital ad landscape. Its 2026 cash flow projections are equally compelling. Strategic acquisitions, such as IRIS.TV, have bolstered its Connected TV (CTV) advertising capabilities, .

, while analysts have , . The company's recent partnership with Molson Coors Beverage Company further validates its ability to attract major advertisers. However, margin pressures and competition remain risks. For investors, and strong balance sheet present a compelling risk-reward profile.

VTEX: E-Commerce's AI-Driven Innovator Trading at a 47.2% Discount

VTEX, a leader in cloud-native e-commerce solutions, is capitalizing on the shift to omnichannel retail. reflects improved margins from cost-cutting initiatives, while . , aligning with the broader e-commerce industry's .

Despite these fundamentals, , with . This undervaluation may stem from macroeconomic headwinds, but the company's AI-driven tools and focus on digital commerce in 2026 position it to outperform as global e-commerce adoption accelerates.

Strategic Case for Immediate Action

The case for investing in ASTS, DSP, and VTEX hinges on their alignment with three key themes:1. High-Growth Sectors: Space-based connectivity, AI-driven advertising, and e-commerce are all set for multi-year expansion.2. Valuation Attractiveness: All three stocks trade at material discounts to intrinsic value, offering margin of safety.3. Cash Flow Momentum: Strong free cash flow projections and improving margins suggest these companies can scale sustainably.

However, the window to act may narrow as markets re-rate these opportunities. ASTS's partnerships with stc and Verizon, Viant's CTV dominance, and VTEX's AI innovations are already generating momentum. Investors who act now could benefit from both earnings growth and valuation convergence.

Conclusion

For value-based growth investors, AST SpaceMobile, Viant Technology, and VTEX represent a rare trifecta: undervalued innovation, robust cash flow potential, and leadership in transformative industries. While risks such as margin pressures and competitive dynamics exist, the combination of sector tailwinds and attractive valuations makes these stocks compelling for a 2026 rebound. As the market begins to reprice emerging-sector leaders, the time to act is now.