Core Insights - The article discusses four space stocks that are positioned to benefit from NASA's Artemis II lunar mission, which is targeting an April 2026 launch window. These companies have strong backlogs and operational ties to the lunar economy, making them attractive investment opportunities [1][2]. Company Summaries Lockheed Martin - Lockheed Martin is the builder of the Orion spacecraft, which will carry astronauts on the Artemis II mission, making it the most direct play on Artemis. The company reported Q4 2025 revenue of $3.16 billion, an 8% increase year-over-year, and ended 2025 with a record backlog of $194 billion. Full-year revenue for 2025 was $75.05 billion, with 2026 sales guidance of $77.5 billion to $80 billion. The stock has gained 38% year-to-date through March 4, 2026, and has a forward P/E of approximately 23x [1][2]. Northrop Grumman - Northrop Grumman's connection to Artemis is through its Space Systems segment and the HALO program, which is part of NASA's Gateway lunar orbit station. The Space Systems segment generated approximately $2.86 billion in Q4 2025 revenue, up 5%, and is expected to contribute around $11 billion in full-year revenue. The company has a record backlog of $95.7 billion and a book-to-bill ratio of 1.10. The stock has increased by 32.6% year-to-date and 65% over the past year [1][2]. Rocket Lab - Rocket Lab operates the Electron small launch vehicle and is developing the Neutron rocket. The company reported a 38% revenue growth in 2025, reaching $601.8 million, with a backlog that surged 73% year-over-year to $1.85 billion. Rocket Lab's connection to Artemis is indirect, but it is positioned as a launch and spacecraft provider for the ecosystem created by the program. The stock has returned 279% over the past year [1][2]. BWX Technologies - BWX Technologies is focused on developing nuclear thermal propulsion systems for space applications and is the primary U.S. manufacturer of naval nuclear reactors. The company reported full-year 2025 revenue of $3.2 billion, an 18% increase, with a total backlog of $7.26 billion, also up 50% year-over-year. Management has guided for 2026 revenue of approximately $3.75 billion. The stock has gained 105% over the past year and trades at a trailing P/E of around 57x [1][2].