5 Best Penny Stocks to Buy and Hold Under $5

4. SEALSQ Corp (NASDAQ:LAES)

On April 13, 2026, WISeKey (NASDAQ:WKEY) and its post-quantum subsidiary SEALSQ Corp. (NASDAQ:LAES) announced the completion of the pilot phase of their collaboration with the Swiss Armed Forces’ Space Command. The initiative, launched in 2022 and expanded in 2024, focused on assessing the technical and operational foundations for a future sovereign, quantum-resilient space communications infrastructure. The pilot included satellite missions, payload integration, and secure communications testing to evaluate architecture design, operational concepts, and potential defense applications, providing key insights for the next phase of development.

On April 7, 2026, SEALSQ reported strong momentum in Q1, with revenue of approximately $4.1M, up more than 200% from $1.3M in the same period last year. The growth was driven by increased demand across its core product lines and continued expansion of its pipeline, alongside progress in post-quantum technology development and new global partnerships.

The company reaffirmed its FY2026 guidance, expecting revenue growth of 50% to 100% year-over-year, supported by its strong start to the year and positioning in the emerging quantum-security infrastructure market.

SEALSQ Corp. (NASDAQ:LAES) develops semiconductor and cybersecurity solutions focused on post-quantum technologies across global markets.