Investment Firms in Arlington, Virginia, United States
Situated across the Potomac River from Washington, D.C., it has emerged as a significant hub for venture capital, particularly in sectors like defense technology, artificial intelligence, and healthcare. Its ecosystem is distinguished by its proximity to federal agencies and national security infrastructure, which attracts firms specializing in government-oriented and dual-use technologies. The presence of established investment firms and a focus on growth-stage companies further solidifies its role in the regional innovation economy.
Arlington, Virginia, United States's investment landscape is shaped by AI, with 80% of its 5 investment firms focused on this sector. The most active by portfolio size are Sands Capital, In-Q-Tel, and Washington Harbour Partners.
AI dominates the investment landscape in Arlington, with 80% of investment firms focused on this sector.
Last updated: 13 March 2026
Investment Firms
5
Total Investments
153
Top Sector
AI
Top Stage
Series A
Top Investment Sectors in Arlington
The most popular sector focus among Arlington investment firms is AI, with 4 investment firms (80%) investing in the space. This is followed by Defense & Space (3), Healthcare (2), Fintech (2), Biotech & Life Sciences (2).
Investment Stages in Arlington
Arlington investment firms are most active at the Series A stage (5 investment firms). This is followed by Series D (3), Growth (3), Series C (3), Series B (3).
Sands Capital
Arlington, Virginia, United States
68 investments
Series A, Series D
Healthcare, Fintech, Biotech & Life Sciences …
In-Q-Tel
Arlington, Virginia, United States
54 investments
Series B, Series A
AI, Cybersecurity, Defense & Space …
Washington Harbour Partners
Arlington, Virginia, United States
15 investments
Series B, Series A
Defense & Space, AI, Manufacturing …
Marlinspike
Arlington, Virginia, United States
11 investments
Series A, Series D
Logistics & Supply Chain, Defense & Space, AI …
Stand Together Ventures Lab
Arlington, Virginia, United States
5 investments
Seed, Series A
Education, Logistics & Supply Chain, Enterprise Software