Best Seed Security & Cybersecurity + Semiconductors & Hardware Investors 2026

Backing transformative founders building exceptional companies across all sectors

Back dual-use technologies serving both commercial and government markets. Founded as investment community response to 9/11, we bring unmatched expertise from NSA, CIA, DARPA. We seek founders building innovative cyber, AI safety, and advanced technologies with meaningful impact on national security and commercial markets.

Cota Capital invests in 'net new' technologies — visionary ideas that either were never before possible or solve problems that didn't exist before. Knowledge is the true capital. The firm backs early-stage enterprise technology companies where deep operational expertise, competitive intelligence, and network access can provide compounding advantage beyond the check.

Strategic corporate venture fund leveraging Microsoft's resources to help portfolio companies innovate and scale. Tightly aligned with Microsoft's cloud, AI, security, and enterprise software strategies.

Clear invests in first-wave innovators in frontier technology — especially AI/ML, semiconductors, enterprise software, IT infrastructure, and security. We partner with magnetic founders tackling spectacular markets, providing seed capital, key connections, and company-building insights from operators who have built and scaled companies through IPOs.

Seed stage funding for entrepreneurs, by entrepreneurs. We invest in early-stage B2B technology companies founded by subject matter experts with a vision to transform their industries. As a team of former operators, we provide not just capital but active network support, operational guidance, and strategic counsel.

Apply AI and data science to identify and invest in N-of-1 companies with 10-100x potential. Back founders who expand individual freedom and decentralize power. Invest in companies that embody principles from the Bill of Rights (voice, fair process, proportionality, user power) and Bitcoin whitepaper (trust-minimized, verifiable, aligned incentives, open access).

We're a different type of venture firm. We wake up every morning and ask ourselves how we can help our portfolio companies move the needle. From in-the-weeds to twenty thousand feet, we are partners at every level. We serve as an extension of founder headcount, sitting in portfolio company Slack channels, maintaining weekly calls, and proactively helping with hiring and customer introductions.

Technology will define geopolitics. We invest in the Freedom Stack—foundational technologies critical to American national security and technological leadership. We partner with mission-driven founders building capabilities essential to American prosperity and strategic advantage.

Invest in only two kinds of technologies: those that move humanity toward utopia, and those that hold the line against oblivion. Back n-of-1 visions for an era of Black Swans—unconventional companies solving civilization-scale problems that others dismiss as too early, too risky, or too misunderstood.

Digital innovation across four themes (AI, Blockchain, Computing Infrastructure, Big Data) will define the next generation of transformative companies.

Mayfield invests in founders building iconic companies through AI-first innovation and human-AI collaboration. The firm believes the next wave of category-defining enterprises will leverage collaborative intelligence, where AI teammates augment and amplify human capability. Mayfield seeks deep tech founders with defensible innovation, clear market advantage, and the ability to scale globally.

Operators backing entrepreneurs building global companies with exceptional people, world-class products, and cutting-edge technology. C4 focuses on deep tech and AI where operational expertise creates meaningful value. The firm believes Europe can compete globally in AI and robotics.

Deep technology and hard tech company investing at inflection points. Partner with technical founders building infrastructure-level solutions for global scale. Founded 2010 on belief that next generation of transformative companies require deep technical expertise, not just capital.

We democratize venture capital by providing individual accredited investors with professional-grade access to elite venture opportunities. We leverage our massive 850,000+ community network and 11,000+ investors to create unique value for founders, sourcing and diligencing deals alongside top-tier VCs (a16z, Sequoia, Khosla) without leading rounds. Our network is our competitive advantage—it compounds value for all stakeholders.

Venture capital is the most powerful economic engine the world has ever seen. We back audacious founders solving humanity's hardest challenges through category-creating innovations. We embrace big risks and reject short-termism, committing to 15+ year partnerships with founders who have long-term vision and relentless determination.

World-class technology companies can be built anywhere. Greatness is in our backyard. We invest in market-defining companies across the Driveway region (Hudson River to Rocky Mountains), partnering with founders from idea to IPO. Build where your talent is. Build where your customers are. Build where you're strongest.

Back technical teams working on breakthrough products. We invest in seed stage companies that demonstrate technical differentiation - meaning technical or product-level superiority is a major reason for future success. We pursue investments from application layer (AI/ML) through software infrastructure to hardware layers (semiconductors, photonics).

Transformative national security solutions emerge from early-stage private-sector startups developing frontier technologies. IQT identifies, evaluates, and leverages innovations to accelerate government adoption while enhancing commercial success. As of May 2026, IQT is emphasizing mission investing through fewer larger bets in autonomy, contested logistics, critical infrastructure, and technologies that can move to mission use quickly.

AI-first venture capital firm investing in AI transformation and digital infrastructure across GenAI Infrastructure (AI chips, quantum, autonomous robotics), Deep Domains (fintech, healthcare, enterprise), and GenAI Agents (autonomous AI for real-world consumer and enterprise use).

We are professional fixers for complex situations. An extension of your team. Fierce defenders when you need us most. Partners who roll up their sleeves. We invest in early-stage companies helping them avoid traditional roadblocks on their path to hypergrowth. We specialize in navigating hostile situations, IP protection, and crisis management.

Partner with exceptional founders to build generational companies that define the world's most critical industries. We provide not just capital but assemble teams of the highest caliber through our 5,000+ member builder community and deep operational expertise.

Exceptional founders backed at pre-seed and seed with both capital and hands-on operational support—talent, GTM, fundraising—build the most enduring companies. Pear is founder-first: founders-and-operators turned investors who have been in founders' shoes.

Back founders building iconic companies that transcend boundaries. We invest directly in their growth to make them unbreakable. Founded on principle that luck isn't made, it's engineered. Founders are our customer, not LPs. We always vote shares with founders and provide 1% non-dilutive founder development capital alongside every first check.

Technological innovation is unevenly distributed. The hottest, most visible sectors attract talent and capital, while overlooked industries hide massive value creation opportunities. We back unconventional founders disrupting unglamorous, technology-inefficient, long-standing industries.

Sierra believes enterprise software is being fundamentally transformed by cloud computing and AI. They invest in technical founders building the next generation of enterprise solutions that deliver superior ROI through better efficiency, automation, and capability. The firm particularly focuses on infrastructure, security, healthcare innovation, and emerging deep tech.

Corporate-advantage seed investing. We identify promising AI and deep tech startups early, then leverage our hundreds of relationships with corporate venture capital arms to de-risk investments, accelerate time to exit, and create curated dealflow where both founders and corporates benefit from strategic alignment.

Amplify founder impact through capital paired with deep expertise in government market access, federal R&D funding capture, and government contracting strategy. Focus on dual-use technologies addressing national security, defense, energy, and infrastructure challenges.

Believe in innovation, risk-taking, and young talent. Best entrepreneurs are rare and precious. Provide quick capital, friendly terms, genuine commitment. Help but don't complicate. Monthly founder support.

We partner with relentless founders who defy convention to change the future. Our four founder paradigms—purity of motivation, earned secret, obsessed problem solving, and non-consensus thinking—guide our investment decisions. We believe the best founders are intrinsically motivated to solve real problems, have deep domain expertise, relentlessly iterate to find better solutions, and have the courage to diverge from established paths.

HOF Capital invests in relentlessly ambitious founders building world-changing technologies that accelerate abundance: sustained technological progress that expands access to opportunity, health, and economic prosperity. Its current public thesis emphasizes AI and agentic systems as amplifiers of discovery, engineering, and knowledge creation, alongside frontier infrastructure and applications that can shorten scientific and technological invention timelines.

Back European technical founders building globally ambitious deeptech and critical technology companies at pre-seed and seed, with concentrated first-check conviction and Paris/San Francisco/Berlin support.

A majority of the data our brains analyze is visual. Therefore, the majority of the data AI will analyze will also be visual, spanning the light and electromagnetic spectrums across all sectors. We thrive on collaborating with deep technical teams who leverage computer vision, machine learning and artificial intelligence to analyze visual data.

Investing in the picks and shovels of volatility caused by convergent forces (AI, Web3, Deep Science) intersecting with demographic shifts and climate change. We seek to create venture-scale returns by backing bold founders building more equitable, beneficial, transparent, and accessible structures.

Leading global companies that leverage technological innovation across public and private markets. Proven founders (especially ex-Googlers, AWS, Stripe) with large TAMs (billions+), product-led growth, and global ambitions. Conviction-based investing post-2022 correction emphasizing quality over quantity.

Exceptional entrepreneurs building critical national security, space, and industrial infrastructure at day zero deserve capital and strategic support from founders who've scaled before. We provide capital, industry network introductions, capital connections to Series A leads, and ecosystem access.

Backs frontier deep tech companies solving physical infrastructure bottlenecks of the AI supercycle, especially compute, energy, quantum, AI infrastructure, robotics, and autonomous manufacturing across the U.S.-Israel corridor.

Democratize access to venture capital by building large syndicates of non-traditional LPs. Invest across all stages, sectors, and geographies based on founder quality and market conviction, not category restrictions. Enable 2,000+ diverse co-investors to participate alongside marquee firms like Sequoia and Andreessen Horowitz while maintaining founder-friendly economics.

Invest in the most promising Southern European (primarily Italian) deep-technology companies across Advanced Manufacturing, Life Science, and Energy & Environment, and actively support their expansion into Asian markets (China, South Korea, Japan, South-East Asia). The fund uses a proprietary evaluation framework and a 'pull model' — companies must demonstrate genuine Asian market interest before investment.

Operator-led fund investing in ambitious founders building transformative AI applications. We partner with technical founders who understand AI/ML deeply and are solving real customer problems with capital efficiency. Great product is always the best marketing.