--- title: "Defense Services 13Fs: Leidos, Booz Allen, SAIC, CACI Decoder" type: learn slug: defense-services-13f-ldos-bah-saic-decoder canonical_url: https://13finsight.com/learn/defense-services-13f-ldos-bah-saic-decoder published_at: 2026-05-16T06:41:55.581Z updated_at: 2026-05-16T06:41:59.007Z author: Sarah Mitchell author_title: Education Editor author_url: https://13finsight.com/authors/sarah-mitchell word_count: 368 locale: en source: 13F Insight --- # Defense Services 13Fs: Leidos, Booz Allen, SAIC, CACI Decoder > Leidos, Booz Allen Hamilton, SAIC, CACI International, and ICF International anchor US defense services 13F positioning. Multi-year DoD contract cycles, AI plus cybersecurity integration, intelligence community spending, and capital allocation drive distinctive institutional patterns. US defense services equities form a distinctive government-services corner of institutional 13F positioning. Leidos, Booz Allen Hamilton (BAH), SAIC (SAIC), CACI International (CACI), and ICF International (ICFI) anchor the cohort. Multi-year DoD contract cycles, AI plus cybersecurity integration, intelligence community spending dynamics, and capital allocation discipline drive distinctive institutional patterns. Reading defense services 13F positioning requires understanding the DoD-contract framework plus the multi-year AI-and-intelligence cycle dynamics.The defense services business modelDefense services face four primary economic drivers:DoD contract cycles. Multi-year DoD prime contracts plus emerging recompete cycles drive revenue trajectory. Multi-year backlog plus award activity drives multi-quarter visibility.AI plus cybersecurity integration. Multi-year AI integration into defense IT services plus emerging cybersecurity services drive new opportunity sets. AI-enabled command, control, communications drive multi-year demand.Intelligence community spending. Multi-year intelligence community (CIA, NSA, NGA, NRO) contractor revenue drives Booz Allen plus SAIC plus CACI economics.Capital allocation. Multi-year disciplined buyback plus selective M&A drive operator economics.Major US defense services namesLeidos (LDOS)Largest US defense services contractor (post-Lockheed Martin IT separation, plus emerging acquisitions). Diversified across defense, intelligence, civil, health. Multi-year operational scaling plus capital allocation.Booz Allen Hamilton (BAH)Diversified across defense, intelligence, civil services. Multi-year AI integration leadership plus capital deployment. Multi-decade consulting heritage plus emerging emerging technology services.SAIC (SAIC)Diversified defense IT plus intelligence community plus civil services. Multi-year operational scaling.CACI International (CACI)Intelligence community focus plus emerging electromagnetic warfare plus broader defense services. Multi-decade intelligence services franchise.ICF International (ICFI)Diversified across federal civil plus state-and-local plus international consulting. Multi-segment professional services.How institutional managers position around defense servicesThree patterns:Pattern 1: Scale-leader concentrationLDOS-concentrated active manager positions reflect scale leadership plus diversified franchise thesis.Pattern 2: AI-integration positioningBAH-concentrated active manager positions reflect AI integration plus consulting franchise thesis.Pattern 3: Intelligence-community positioningCACI-concentrated active manager positions reflect intelligence community focused thesis.How to read defense services 13F positioningThree rules:Rule 1: Identify customer mixDoD vs intelligence community vs civil services have distinct cycle dynamics.Rule 2: Watch contract awardsQuarterly contract awards plus backlog drive multi-quarter visibility.Rule 3: Cross-check AI integrationMulti-year AI integration drives emerging opportunities.What defense services positioning signalsScale-leader conviction. Concentrated LDOS positions signal scale leader thesis.AI-integration conviction. Concentrated BAH positions signal AI integration thesis.Intelligence-community conviction. Concentrated CACI positions signal intelligence focus thesis.For real-time tracking of defense services 13F activity, see the institutional signals feed. ## FAQ ### What are the major US defense services companies? Five major US defense services: (1) Leidos (LDOS) — largest, diversified defense, intelligence, civil, health; (2) Booz Allen Hamilton (BAH) — defense, intelligence, civil services with AI integration leadership; (3) SAIC (SAIC) — defense IT plus intelligence plus civil; (4) CACI International (CACI) — intelligence community focus plus electromagnetic warfare; (5) ICF International (ICFI) — federal civil plus state-and-local plus international consulting. ### How do DoD contract cycles work? Multi-year DoD prime contracts (typically 5-10 year base periods plus options) drive revenue trajectory. Multi-year recompete cycles plus emerging new contract awards drive operator economics. Multi-year backlog disclosure plus quarterly book-to-bill ratios drive multi-quarter visibility. Major contract awards plus emerging recompete cycles produce dramatic operator-specific revenue dynamics. Reading contract award activity drives institutional positioning. ### How does AI integration affect defense services? Multi-year AI integration into defense IT services plus emerging cybersecurity services drives new opportunity sets. AI-enabled command, control, communications (Joint All-Domain Command and Control), autonomous systems, decision support, plus intelligence analysis drive multi-year demand. Multi-year AI capability development plus emerging contract awards drive operator positioning. Booz Allen Hamilton particularly leads AI integration positioning. ### What is intelligence community contracting? Intelligence community contracting includes services for CIA, NSA, NGA, NRO, plus emerging Defense Intelligence Agency (DIA), Office of the Director of National Intelligence (ODNI). Multi-year intelligence community contracts drive Booz Allen Hamilton, SAIC, CACI International economics. Multi-decade intelligence services franchise plus emerging cyber intelligence plus space intelligence drive growth. Reading intelligence community award disclosure drives positioning. ### How does Leidos's scale advantage work? Leidos operates largest US defense services scale post-Lockheed Martin Information Systems & Global Solutions acquisition (2016) plus subsequent M&A activity. Multi-year scale enables broader contract pursuits plus emerging cross-customer opportunities plus selective capital allocation. Multi-segment diversification (defense, intelligence, civil, health) provides cross-cycle stability. Concentrated active manager LDOS positions reflect scale leader thesis. ### What signals defense services cycle inflections? Four signals: (1) DoD budget plus appropriations actions affecting contract awards; (2) major recompete plus new contract award activity; (3) AI integration plus emerging technology investment; (4) capital allocation including M&A activity. Concentrated 13F changes around these signals reveal manager cycle reading. --- Source: 13F Insight — https://13finsight.com/learn/defense-services-13f-ldos-bah-saic-decoder Author: Sarah Mitchell — https://13finsight.com/authors/sarah-mitchell Last updated: 2026-05-16T06:41:59.007Z