Defense technology has moved from the fringes of venture capital to one of its most closely watched sectors. As defense budgets prioritize software-defined systems, autonomy, and dual-use hardware, a cohort of VC firms has built deep expertise in navigating government procurement cycles, export controls, and long engineering timelines. For founders building in this space, knowing which investors genuinely understand the sector — versus those chasing a trend — matters enormously.
Below is a look at active, credible investors in US defense tech, along with their focus areas and representative portfolio companies.
Leading Defense Tech Investors
Andreessen Horowitz — Menlo Park, CA. Founded in 2009 by Marc Andreessen and Ben Horowitz, Andreessen Horowitz (a16z) is headquartered in Menlo Park and operates with a stage-agnostic approach from seed to growth. The firm is distinguished by its "American Dynamism" practice, which specifically targets founders building in the national interest, including defense, aerospace, and public safety. What sets a16z apart is its robust platform model, offering portfolio companies access to a massive team of operators specializing in marketing, talent, and government policy—a critical asset when navigating federal procurement. Notable investments include leading the Series C for Anduril Industries, an autonomous defense contractor now valued at over $8.5 billion, and backing Shield AI, which develops AI-piloted systems for military aircraft. By combining Silicon Valley's speed with a deep understanding of Washington's regulatory landscape, a16z has become a primary architect of the modern defense tech ecosystem, helping shift the sector toward software-defined capabilities that can be deployed at scale.
Founders Fund — San Francisco, CA. Established in 2005 by PayPal co-founders Peter Thiel, Ken Howery, and Luke Nosek, Founders Fund is headquartered in San Francisco and invests across all stages and sectors. The firm is legendary for its contrarian investment philosophy, often backing technically ambitious "frontier" companies long before they become mainstream. Founders Fund was one of the earliest institutional backers of the defense tech revolution, providing the first institutional capital to SpaceX and Palantir Technologies—both of which have since reached multi-billion dollar public valuations. In the defense space, they were also early investors in Anduril Industries, led by partner Trae Stephens. The firm distinguishes itself by a willingness to underwrite massive technical risk in sectors like aerospace, energy, and national security software. Their portfolio includes companies like Hadrian, which is building automated factories for the aerospace and defense supply chain, and SpaceX, which revolutionized satellite launch and transport for the Department of Defense. Founders Fund’s reputation for supporting radical innovation makes them a top choice for founders building "hard tech" that requires significant capital and long-term vision.
Lux Capital — New York, NY. Lux Capital was founded in 2000 by Peter Hébert, Robert Paull, and Josh Wolfe, with headquarters in New York City. The firm invests in "sci-fi" technologies that reside at the outermost edges of what is possible, spanning deep tech, robotics, and defense. Lux is distinguished by its focus on emerging science and its team of partners who often have technical backgrounds, including Venture Partner Tony Thomas, a retired 4-star General. They are known for being the first to identify and fund category-defining companies, such as leading the seed round for Anduril Industries in 2017. Other notable portfolio companies include Hadrian, which focuses on autonomous precision manufacturing for defense parts, and Applied Intuition, an autonomy software leader for the defense and automotive sectors. Lux distinguishes itself by its intellectual curiosity and willingness to fund companies that other firms find too speculative or capital-intensive. Their approach is characterized by deep research into technological discontinuities, making them a preferred partner for founders building complex hardware and AI systems for national security.
8VC — Austin, TX. Founded in 2015 by Joe Lonsdale—a co-founder of Palantir Technologies—and Jake Medwell, 8VC is headquartered in Austin, Texas. The firm invests in government technology, defense, and logistics at both early and growth stages. 8VC’s approach is rooted in the belief that legacy industries, including government and defense, are paralyzed by outdated technical systems that can be fixed with modern software and data infrastructure. The firm is distinguished by its "Build" program, where it often co-founds companies to address specific conceptual gaps in the market. Notable portfolio companies include Palantir, where Lonsdale was a founding member, and Anduril Industries, reflecting a long-term commitment to national security technology. They also backed Saronic Technologies, which builds autonomous surface vessels for the Navy, and Epirus, developer of directed energy systems for counter-drone defense. 8VC distinguishes itself through its deep network of policy advisors and operators, helping startups navigate the "valley of death" between pilot programs and large-scale government contracts by modernizing the backend logistics of the Department of Defense.
Shield Capital — Burlingame, CA. Shield Capital was founded in 2021 by Philip Bilden, a veteran private equity investor and military intelligence officer, and Raj Shah, the former director of the Pentagon’s Defense Innovation Unit (DIU). Headquartered in Burlingame, the firm focus exclusively on the intersection of commercial technology and national security, investing primarily at the seed and Series A stages. Shield is distinguished by its team of partners who have "lived the mission," including former military officers and acquisition experts who understand the nuances of the DoD’s procurement cycles. The firm’s inaugural $186 million fund targets AI, autonomy, space, and cybersecurity. Notable portfolio companies include Hawkeye 360, which operates a constellation of radio frequency sensing satellites and recently reached nine figures in annual recurring revenue, and Elroy Air, where Shield led the Series A for their autonomous aerial cargo delivery platform. Shield distinguishes itself by providing founders with direct access to government customers and helping them navigate the complex regulatory hurdles of dual-use technology, ensuring that startups can scale effectively in both commercial and defense markets.
Razor's Edge Ventures — Reston, VA. Founded in 2010 by Mark Spoto, Richard McNeight, and Jack Kerrigan, Razor's Edge Ventures is headquartered in Reston, Virginia, in the heart of the national security corridor. The firm focuses exclusively on dual-use technology companies that solve critical challenges for the U.S. intelligence community and Department of Defense, investing across seed to growth stages. Razor's Edge is distinguished by its deep technical expertise and its partners' decades of experience as former operators and executives in the defense sector. The firm targets high-barrier-to-entry technologies in cyber, space, and autonomous systems. Notable portfolio companies include Second Front Systems, where they led a $32 million Series A to scale a DevSecOps platform that accelerates software delivery to government customers, and Rebellion Defense, which builds AI-powered software for national security. Razor's Edge distinguishes itself by its "mission-first" approach, often acting as a bridge between the startup world and the specialized needs of the intelligence community. Their unique location and network allow them to stay ahead of budget trends and identify emerging gaps in the nation's technological superiority.
Point72 Ventures — New York, NY. Point72 Ventures, the venture arm of Steven A. Cohen’s Point72 Asset Management, was established in 2016 and is headquartered in New York City. The firm takes a thematic approach to investing, backing ambitious founders across deep tech, fintech, and defense from seed through pre-IPO. Point72’s defense tech practice is led by domain experts who focus on the convergence of AI, autonomy, and advanced manufacturing. The firm is distinguished by its ability to leverage the vast data and analytical resources of its parent organization to identify market-moving trends. Notable defense-related investments include Overland AI, which develops autonomous ground vehicle software for off-road military environments, and CX2, a company focusing on intelligent sensing and data processing. Point72 distinguishes itself by offering founders a global network and a flexible mandate that allows for long-term support across multiple funding rounds. Their defense thesis is built on the imperative of mastering modern technologies like AI and space situational awareness to maintain global stability, providing founders with a partner that understands both the strategic and financial dimensions of the sector.
Scout Ventures — New York, NY. Scout Ventures was founded in 2009 by Brad Harrison and is headquartered in Austin, Texas. The firm is a seed-stage venture capital specialist that invests at the intersection of national security and critical technology innovation. Scout is distinguished by its focus on backing veteran founders and those coming out of the military service academies, intelligence agencies, and national research labs. The firm’s team consists mostly of former military officers who bring grit and operational experience to the investment process. Notable portfolio companies include Unite Us, a whole-person care coordination platform where Scout led the Series A and which is now valued at over $1.6 billion, and ID.me, a leading identity verification platform used by government agencies. Scout distinguishes itself by its "innovate, deter, defend" motto, targeting dual-use technologies that have both military and commercial applications. By acting as a bridge for veterans transitioning to the startup world, Scout leverages a unique talent pipeline that is often overlooked by traditional Silicon Valley firms, focusing on sectors like quantum computing, aerospace, and advanced energy.
In-Q-Tel — Arlington, VA. In-Q-Tel (IQT) is a strategic, not-for-profit investment firm founded in 1999 at the request of the Director of Central Intelligence and with the support of the U.S. Congress. Headquartered in Tysons, Virginia, IQT was the brainchild of former CIA Director George Tenet and was initially led by Gilman Louie and Norm Augustine. The firm’s mission is to identify and invest in venture-backed startups developing technologies that provide "ready-soon innovation" vital to the U.S. Intelligence Community and its allies. IQT is distinguished by its unique model; it does not seek traditional venture returns but rather focuses on delivering mission-critical capabilities to government agencies. Notable historic investments include early backing for Palantir Technologies and Keyhole, Inc., whose technology became the foundation for Google Earth. IQT typically co-invests alongside traditional VCs, often providing the technical vetting that de-risks a company for other investors. Because over 70 percent of its portfolio companies have never done business with the government before IQT’s involvement, the firm acts as an essential gateway for commercial innovators into the highly regulated world of national security.
What Makes Defense Tech Fundraising Different
Raising capital for a defense-focused startup involves considerations that founders in other sectors rarely face: export control compliance, security clearance requirements for key personnel, long government sales cycles, and the need to demonstrate dual-use commercial viability to satisfy investor return expectations. Before approaching any of these firms, founders should have a credible pitch deck that articulates both the mission-critical value proposition and a believable path to recurring revenue.
Many defense tech rounds also combine equity with non-dilutive government funding (SBIR/STTR, OTAs), which can complicate your capitalization table if not modeled carefully from day one. Investors in this space will scrutinize your cap table structure closely during due diligence, especially around IP ownership and any government data rights that could affect valuation.
The long sales cycles typical of government customers also mean founders need a more conservative view of revenue timing than a typical enterprise SaaS company. A pilot program with a service branch or combatant command can take months to convert into a production contract, and investors who specialize in this sector tend to underwrite that reality rather than penalize founders for it outright — provided the founder can show a credible path from pilot to program of record.
Positioning Your Company for These Investors
Specialist defense investors look for founders who understand both the technology and the customer — often the Department of Defense, intelligence agencies, or allied governments. Demonstrating traction through pilot programs, OTAs, or letters of interest from program offices can meaningfully de-risk a round in the eyes of these VCs. It also helps to understand how these investors think about valuation methodology given the unusual revenue timelines common in government contracting.
Building credibility with these investors often starts well before a fundraise. Founders who have served in the military, worked inside relevant government agencies, or spent years as contractors to the Department of Defense typically have an easier time establishing trust with specialist defense investors, since they already understand the procurement landscape and the customer's actual priorities. For founders without that background, bringing on advisors or early hires with that experience can meaningfully strengthen a pitch.
It's also worth tailoring outreach to the stage and focus of each firm rather than treating this list as a single undifferentiated pool of capital. A pre-seed hardware company with no government relationships yet is a very different fit for In-Q-Tel than for a growth-stage generalist fund like Andreessen Horowitz, and pitching the wrong stage or thesis to a firm is one of the more common and avoidable mistakes founders make in this sector.
If you're building a defense or dual-use technology company and preparing to raise capital, book a free consult with Quantum Growth Advisors. We help founders in regulated and government-facing sectors build the financial narrative, materials, and investor targeting strategy needed to raise successfully.
Trends Shaping Defense Tech Investment
The sector has shifted meaningfully from hardware-heavy, capital-intensive programs toward software-defined defense platforms — autonomy stacks, command-and-control software, and cyber tooling — that can reach revenue faster and scale with more traditional SaaS-like economics. This shift has drawn a wider set of generalist investors into the space alongside the specialists listed above, but founders should still prioritize investors with genuine experience navigating federal procurement, since the wrong partner can slow down critical government relationships rather than accelerate them.
Interest has also broadened beyond traditional weapons systems into adjacent categories like space situational awareness, electronic warfare, maritime autonomy, and resilient supply chains for critical materials — areas where the line between defense and civilian application is increasingly blurred. Founders building in these adjacent categories may find receptive audiences among both the specialist firms above and a growing number of generalist funds building out dedicated defense or "American Dynamism"-style practices.
Diligence Considerations Unique to the Sector
Because many defense tech companies hold sensitive contracts or data, investor due diligence often extends beyond the usual financial and legal review into facility security clearances, foreign ownership and control restrictions, and technology export classifications. Founders should get ahead of these questions early, since unresolved compliance issues can stall a round even after a term sheet is signed.
Founders raising from investors with foreign limited partners should also expect additional scrutiny tied to the Committee on Foreign Investment in the United States (CFIUS) and similar frameworks, particularly if the company's technology touches export-controlled categories. Building a clean data room that addresses these questions proactively — rather than waiting for investor counsel to raise them — can meaningfully shorten the diligence timeline and reduce the risk of a deal falling apart late in the process.