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What are the best defense technology stocks?

AlphaOS investment intelligence · Research and education only — not investment advice · Updated Jul 5, 2026

Leading defense technology stocks include Lockheed Martin, Raytheon Technologies, Northrop Grumman, General Dynamics, and Boeing, all of which are major contractors for global defense initiatives and are deeply involved in advanced military technologies such as hypersonics, artificial intelligence, and cybersecurity.

Key Takeaways

  • Lockheed Martin (LMT) is the world's largest defense contractor, known for its F-35 fighter jets, missile defense systems, and advanced combat aircraft.
  • Raytheon Technologies (RTX) specializes in aerospace and defense, with a strong focus on advanced sensors, missile systems, and precision weapons.
  • Northrop Grumman (NOC) is a key player in stealth technology, cybersecurity, and autonomous systems, including the B-21 Raider bomber program.
  • General Dynamics (GD) provides a diverse range of products and services, including combat vehicles, naval ships, and Gulfstream business jets, alongside significant IT and mission systems capabilities.
  • Boeing (BA) maintains a substantial defense segment, producing military aircraft, rotorcraft, and satellites, complementing its commercial aviation business.
  • These companies are pivotal in developing and deploying next-generation defense capabilities, driven by increasing global defense spending and technological advancements.
  • Investment in these firms often reflects long-term government contracts and a stable demand for advanced military hardware and software.
  • The defense sector is characterized by high barriers to entry, extensive R&D, and significant geopolitical influence.

Evidence & Analysis

  • Lockheed Martin reported net sales of $67.6 billion in 2023, with Aeronautics and Missiles and Fire Control being its largest segments.
  • Raytheon Technologies secured over $68 billion in sales in 2023, with its Collins Aerospace and Pratt & Whitney segments contributing significantly to defense-related technologies.
  • Northrop Grumman's 2023 sales reached $39.8 billion, driven by its Aeronautics Systems and Space Systems sectors.
  • General Dynamics reported $42.3 billion in revenue for 2023, with Marine Systems and Combat Systems as primary contributors.
  • Boeing's Defense, Space & Security segment generated $24.9 billion in revenue in 2023.
  • Global defense spending reached a record $2.44 trillion in 2023, marking the ninth consecutive year of growth, according to SIPRI.

Key Companies

LMT

Lockheed Martin Corporation

World's largest defense contractor, leader in F-35 and missile defense.

RTX

Raytheon Technologies Corporation

Specializes in advanced sensors, missile systems, and precision weapons.

NOC

Northrop Grumman Corporation

Key player in stealth technology, cybersecurity, and autonomous systems.

GD

General Dynamics Corporation

Diverse portfolio including combat vehicles, naval ships, and IT systems.

BA

The Boeing Company

Significant defense segment producing military aircraft and satellites.

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Generated by AlphaOS from the Knowledge Graph, earnings intelligence, and industry analysis. Content is for research and education only — not investment advice.