--- title: "Aerospace & Defense 13Fs: LMT, NOC, GD, RTX Reading Guide" type: learn slug: aerospace-defense-13f-lmt-noc-gd-rtx-decoder canonical_url: https://13finsight.com/learn/aerospace-defense-13f-lmt-noc-gd-rtx-decoder published_at: 2026-05-15T11:20:48.172Z updated_at: 2026-05-15T11:20:52.769Z author: Sarah Mitchell author_title: Education Editor author_url: https://13finsight.com/authors/sarah-mitchell word_count: 557 locale: en source: 13F Insight --- # Aerospace & Defense 13Fs: LMT, NOC, GD, RTX Reading Guide > Lockheed Martin, Northrop Grumman, General Dynamics, RTX, and Boeing anchor US aerospace and defense 13F positioning. Multi-year defense budget cycles, FMS export wins, and program milestones drive distinctive institutional positioning patterns. US aerospace and defense manufacturers occupy a distinct corner of institutional 13F positioning, driven by multi-year US defense budget cycles, foreign military sales (FMS) program wins, and major weapons-system development milestones. Lockheed Martin, Northrop Grumman, General Dynamics, RTX (formerly Raytheon Technologies), and Boeing anchor the cohort. Reading aerospace and defense 13F positioning requires understanding the program-cycle dynamics, geopolitical-driver framework, and the distinct primary-contractor vs subcontractor positioning patterns.The aerospace and defense business modelMajor US aerospace and defense primes operate through three structural channels:US Department of Defense procurement. Multi-year programs (F-35, B-21 Raider, Columbia-class submarine, Virginia-class submarine, Constellation-class frigate) drive multi-decade revenue visibility for primary contractors.Foreign military sales (FMS). Allied government weapons procurement under FMS framework. F-35 international orders, Patriot missile sales, and naval platform exports provide additional revenue.Commercial aerospace. Boeing's commercial airplane franchise (737, 787, 777X) plus engine and components suppliers (RTX's Pratt & Whitney, Heico, TransDigm) operate in parallel to defense.Major US aerospace and defense namesLockheed Martin (LMT)Largest US defense prime by revenue. F-35 Joint Strike Fighter program dominates franchise economics. Other key programs: Patriot air-defense, Aegis combat system, Sikorsky helicopters, hypersonic weapons. Multi-decade dividend growth.Northrop Grumman (NOC)B-21 Raider strategic bomber program, Sentinel ICBM replacement, James Webb Space Telescope heritage, space-systems franchise. Concentrated active manager overweights reflect B-21 program thesis.General Dynamics (GD)Diversified across Mission Systems, Aerospace (Gulfstream business jets), Combat Systems (M1 Abrams tank, Stryker armored vehicle), and Marine Systems (Virginia-class and Columbia-class submarines). Gulfstream provides commercial-aerospace cross-cycle balance.RTX CorporationDiversified across Collins Aerospace (commercial avionics, cabin systems), Pratt & Whitney (commercial and military engines), and Raytheon (defense electronics, missiles). Cross-cycle exposure between commercial aerospace and defense.Boeing (BA)Commercial Airplanes (737, 787, 777X) plus Defense, Space & Security (KC-46 tanker, F-15EX, NGAD pursuit, space). Multi-year operational restructuring following the 737 MAX cycle plus quality-control challenges.How institutional managers position around aerospace and defenseThree patterns:Pattern 1: Defense-cycle thesis concentrationActive managers expecting sustained US defense budget expansion concentrate in primary contractors with long-cycle program backlogs. The thesis: multi-year revenue visibility plus dividend-and-buyback discipline.Pattern 2: Commercial aerospace cycle positioningBoeing concentrated overweights or underweights signal manager views on the commercial aerospace cycle. Recovery thesis attracts overweights; quality-and-execution risk drives underweights.Pattern 3: Subcontractor specialty concentrationSpecialty subcontractors (Heico, TransDigm, Mercury Systems) attract concentrated positions from active managers focused on aerospace value chain economics rather than primary contractor exposure.How to read aerospace and defense 13F positioningThree rules:Rule 1: Identify program-cycle driversEach defense prime's revenue is anchored to specific multi-year programs. Reading the position requires understanding which programs drive the manager's thesis (F-35 production rate, B-21 development milestones, Columbia-class submarine schedule).Rule 2: Watch FMS announcement timingMajor foreign military sales announcements (Patriot to Poland, F-35 to UAE, Aegis to Japan) drive multi-quarter revenue visibility additions. Institutional positioning often reflects FMS pipeline expectations.Rule 3: Cross-check geopolitical-cycle positioningAerospace and defense positions correlate with geopolitical-tension cycles. Sustained NATO defense budget increases, Indo-Pacific deterrence buildouts, and Middle East tensions drive sector positioning. Concentrated overweights typically accelerate during geopolitical escalation cycles.What aerospace and defense positioning signalsDefense-budget conviction. Concentrated defense-prime overweights signal manager view on sustained US defense budget expansion through the mid-to-late 2020s and 2030s.Commercial aerospace cycle phase. Boeing positioning reveals manager view on commercial aerospace recovery and execution risk.Geopolitical-tension cycle positioning. Aerospace and defense overweights often anticipate geopolitical-cycle inflections. Concentrated additions signal manager view on sustained or escalating geopolitical tension.For real-time tracking of aerospace and defense 13F activity, see the institutional signals feed. ## FAQ ### What are the major US aerospace and defense primes? Five major primes: (1) Lockheed Martin (LMT) — F-35 Joint Strike Fighter, Patriot, Aegis, Sikorsky helicopters; (2) Northrop Grumman (NOC) — B-21 Raider strategic bomber, Sentinel ICBM, space systems; (3) General Dynamics (GD) — Mission Systems, Gulfstream, Combat Systems, Marine Systems submarines; (4) RTX — Collins Aerospace, Pratt & Whitney, Raytheon defense; (5) Boeing (BA) — commercial airplanes plus defense and space. Each has distinct program-cycle economics. ### How does the F-35 program drive Lockheed Martin's economics? The F-35 Joint Strike Fighter is the largest defense procurement program in US history. Lockheed Martin produces three variants (F-35A conventional takeoff, F-35B short-takeoff-vertical-landing, F-35C carrier-based) for US Air Force, Marines, Navy, plus 17+ international partner countries. Production volumes through the late 2020s and 2030s plus sustainment revenue drive multi-decade visibility. F-35 dominates LMT's Aeronautics segment economics. ### What is the B-21 Raider program? The B-21 Raider is a next-generation strategic stealth bomber being developed by Northrop Grumman for the US Air Force. The program is anchored in NOC's franchise economics for the late 2020s through 2030s. Initial production rate ramp and operational deployment timeline drive multi-year revenue visibility. Concentrated NOC overweights from active managers typically reflect B-21 program execution thesis. ### How do foreign military sales (FMS) affect 13F positioning? FMS programs provide additional revenue visibility beyond US DoD procurement. Major announcements (Patriot to Poland, F-35 to UAE, Aegis to Japan, naval platforms to Australia AUKUS) drive multi-quarter revenue additions. Institutional positioning often anticipates FMS pipeline through advance announcement watching. Sustained NATO defense budget increases plus Indo-Pacific deterrence buildouts drive concentrated active overweights. ### Why is Boeing's institutional positioning more variable? Boeing operates across commercial airplanes (737, 787, 777X) plus Defense, Space & Security. The commercial cycle plus the 737 MAX operational and quality-control challenges produce variable institutional positioning. Recovery thesis attracts overweights; quality-and-execution risk drives underweights. Defense segment provides cross-cycle balance but commercial dynamics dominate the institutional reading. ### How does the geopolitical cycle affect defense 13F positioning? Aerospace and defense positions correlate with geopolitical-tension cycles. Sustained NATO defense budget increases (post-2022 invasion of Ukraine), Indo-Pacific deterrence buildouts (US-China strategic competition), and Middle East tensions drive sector positioning. Concentrated overweights typically accelerate during geopolitical escalation cycles. Watch defense-prime 13F position additions as a leading signal on institutional manager geopolitical-cycle reading. --- Source: 13F Insight — https://13finsight.com/learn/aerospace-defense-13f-lmt-noc-gd-rtx-decoder Author: Sarah Mitchell — https://13finsight.com/authors/sarah-mitchell Last updated: 2026-05-15T11:20:52.769Z