16 VC firms investing in security & cybersecurity and insurance at the Series A stage.
F4 Fund tracks 16 VC firms that actively invest in security & cybersecurity + insurance at the Series A stage, with check sizes ranging from $100K – $25M (median: $2.8M – $2.8M). As of June 2026, and 94% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,358+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ 13books Capital We partner with Europe's best fintech founders with ambitions to scale globally. Meaningful change takes time—we build lasting relationships with founders rather than making transactional investments. We believe in commitment beyond capital and support founders through their entire journey. London | $500K – $2.5M | 40 | Leads | Active | — | Open |
| 2 | ▶ SixThirty We invest at the intersection of health, wealth, and privacy. The next generation of financial infrastructure, healthcare, and data security solutions will emerge from early-stage startups addressing this convergence. We partner with founders and leverage corporate LP relationships for distribution and go-to-market. St. Louis | $500K – $5M | 39 | Leads | Active | ~1 mo | Open |
| 3 | ▶ Arbor Ventures Arbor Ventures is a fintech-only fund partnering with entrepreneurs globally to shape a smarter financial future. They invest across payments, cyber, insurance, regtech, AI/ML, marketplaces, capital markets, and blockchain — taking an expansive view of fintech across geographies with no place considered too far. Singapore | $1M – $10M | 37 | Both | Active | ~2 mo | Open |
| 4 | ▶ Abstract Ventures Backing transformative founders building exceptional companies across all sectors San Francisco | $100K – $1M | 275 | Both | Active | — | — |
| 5 | ▶ Propel Venture Partners Backs early-stage founders rebuilding how financial value is created, moved, secured, embedded, and governed, especially across fintech, financial infrastructure, AI-native financial workflows, payments, crypto infrastructure, insurance, and enterprise software for regulated institutions. San Francisco | $500K – $5M | 44 | Both | Active | ~1 wk | — |
| 6 | ▶ MS&AD Ventures MS&AD Ventures partners with visionary entrepreneurs to create innovative solutions across insurance, financial services, healthcare, and sustainability. Backed by the 5th largest global insurance conglomerate, they bring capital plus global distribution across 47 countries. They move fast (2-week decisions), focus on partnerships over ownership, and help companies scale internationally. Menlo Park | $500K – $5M | 57 | Both | Active | ~2 wks | Open |
| 7 | ▶ Munich Re Ventures Funding the future of risk for the human endeavor. Munich Re Ventures invests in technologies and business models tackling the biggest risks facing the world, operating at the intersection of technology, venture capital, and the insurance industry. San Francisco | $500K – $10M | 20 | — | 2mo | ~2 mo | Req'd |
| 8 | ▶ Crystal Venture Partners Back early-stage technology companies modernizing insurance, risk, and resilience, especially AI-enabled B2B infrastructure for underwriting, claims, brokerage, distribution, premium movement, financial operations, and risk-data workflows. New York | $1M – $3M | 18 | Both | Active | ~1 mo | Req'd |
| 9 | ▶ Vertical Venture Partners Back founders with deep, first-hand domain expertise in specific industry verticals — those who have 'lived' the problem they are solving. Vertical-first software delivers faster time-to-value and stronger retention versus horizontal tools requiring heavy customization. Palo Alto | $500K – $4M | 47 | Both | Active | ~1 mo | Open |
| 10 | ▶ ATX Venture Partners Seeking early-stage alpha through institutional discipline. ATX VP invests in people pioneering the future by combining Wall Street rigor with deep operating experience. Core focus on disruptive B2B software, APIs, frontier tech, and marketplaces across Supply Chain, FinTech, InsurTech, HR Tech, Aerospace, and Future of Work. Austin | $250K – $5M | 42 | Leads | Active | — | Open |
| 11 | ▶ Boulder Ventures We invest in early-stage information technology and biotechnology companies in Colorado and the Mid-Atlantic. Our philosophy is rooted in mountain guide principles: careful pattern recognition under uncertainty, patience in waiting for proper conditions, and a commitment to realized returns over paper valuations. We provide hands-on operational partnership, board-level involvement, and access to deep regional networks built over decades. Boulder, Colorado | $1M – $5M | 22 | Leads | Active | ~1 mo | Req'd |
| 12 | ▶ Inertia Ventures Inertia invests in AI-native companies built to become core infrastructure for legacy industries, especially platforms operating in regulated, context-heavy, and physical-world workflows where durable data, compliance, audit trails, or embodied operations create compounding advantages. New York | $2M – $15M | 66 | Leads | Active | ~2 wks | Req'd |
| 13 | ▶ R136 Ventures Identifies inflection points through proprietary Discovery Engine and backs founders who see opportunities others miss. Focuses on AI-driven transformation of B2B software and financial services, with deep technical due diligence analyzing 250+ data points. Woodside, CA | $2M – $20M | 40 | Both | Active | ~1 mo | Open |
| 14 | ▶ ff Venture Capital ffVC invests in driven problem-solvers building high-potential companies in emerging industries: AI, Manufacturing, Energy, Robotics, and Security. We provide capital alongside deep operational expertise, board participation, and access to a 35,000+ founder and investor ecosystem. We bet on founders with industry expertise, clear paths to $100M+ revenue, and defensible competitive advantages. New York | $300K – $700K | 22 | Leads | Active | ~2 mo | Req'd |
| 15 | ▶ White Star Capital Technology companies are becoming intertwined with the global economy more so than ever before. The most compelling founders build businesses through a broader world view. White Star Capital backs globally ambitious entrepreneurs at Series A, B, and Seed stages across North America, Europe, and Asia, helping them scale internationally through deep local presence on three continents. London | $1M – $25M | 41 | Leads | Active | ~1 mo | Open |
| 16 | ▶ Expa We build category-defining companies through a combination of design, product, operations, and capital. We identify market gaps, pair brilliant founders with Expa's studio resources, and help them build companies that reshape entire industries. San Francisco | $500K – $5M | 60 | Leads | Active | ~1 wk | Open |
Investors on this page also frequently invest in these sectors
What other stages do these firms also invest in?
What other sectors do these firms also invest in?
F4 Fund tracks 16 VC firms that actively invest in security & cybersecurity + insurance at the Series A stage. These firms are ranked using a composite score that weighs data completeness (30%), portfolio depth (30%), investment recency (25%), and stage alignment (15%).
Based on F4's analysis, the median check size for series a security & cybersecurity + insurance investors is $2.8M – $2.8M, with a full range from $100K – $25M. The distribution breaks down as: 2 firms in the $500K-$1M range, 1 firms in the $1M-$2M range, 8 firms in the $2M-$5M range, 3 firms in the $5M-$10M range, 2 firms in the $10M+ range.
Among the 16 firms tracked, 94% lead or co-lead rounds. Founders seeking a lead investor should filter for firms marked "Leads" or "Both" in the rankings table above. Lead investors typically set deal terms and anchor the round.
The best series a security & cybersecurity + insurance investors combine domain expertise with an active portfolio in the space. Among these firms, 36% prefer warm introductions, and the average firm has 54 portfolio companies. Look for firms whose check size matches your raise, whose stage preference aligns with yours, and who have a track record of supporting companies in your sector through multiple growth phases.
Firm profiles are continuously updated through F4's research pipeline, which combines LLM-powered web research, portfolio analysis, and transcript extraction. The ranking data refreshes every 12 hours. Editorial analysis is reviewed weekly. Individual firm profiles are re-researched on a 30-day cycle or when new information surfaces.