11 VC firms investing in security & cybersecurity and edtech at the Series B stage.
F4 Fund tracks 11 VC firms that actively invest in security & cybersecurity + edtech at the Series B stage, with check sizes ranging from $100K – $350M (median: $10.1M – $10.1M). As of June 2026, and 100% 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 | ▶ Contour Venture Partners Invest in innovative technology companies that can achieve significant market share in large, growing markets and grow independent of market conditions. Partner with exceptional entrepreneurs to build sustainable, profitable businesses that transform industry segments. New York | $500K – $2M | 25 | Leads | Active | ~1 mo | Open |
| 2 | ▶ Wing Venture Capital The AI-first transformation of business will be as big as digital, mobile, and cloud combined. We invest in companies building the AI-first technology stack: data foundations, AI tools, autonomous applications, and product-led growth companies that accelerate adoption. Founders building at any layer of this stack can reach goals and uncover opportunities previously unattainable. Palo Alto | $200K – $20M | 36 | Leads | Active | ~2 wks | Open |
| 3 | ▶ AirTree Ventures Big things start small. We invest at seed stage and see potential where others don't. We believe in your vision for your company's future, not as it exists today. We think in decades, not days, committing to walk the entire journey with founders to build iconic companies. We share Antipodean ingenuity with the world. Sydney | $250K – $20M | 64 | Leads | Active | ~2 wks | Req'd |
| 4 | ▶ Homebrew Help founders build companies of which they can be proud. We invest in mission-driven founders solving large, urgent problems using technology to create substantive change. Capital is necessary but not sufficient—sweat, reputation, and accountability are our core commitments. San Francisco | $100K – $500K | 26 | Both | Active | ~1 wk | Req'd |
| 5 | ▶ Drive Capital 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. Columbus | $500K – $150M | 33 | Leads | Active | ~2 mo | Open |
| 6 | ▶ WndrCo WndrCo positions itself as 'the founders behind the founders,' combining strategic capital with deep operational involvement. Unlike traditional VCs, partners take formal operating roles (interim CEO, CFO, CPO) within portfolio companies. This approach leverages the co-founders' proven track record: Sujay Jaswa scaled Dropbox from $18M to $10B as Business Founder/CFO, and Jeffrey Katzenberg transformed Disney Studios and built DreamWorks. The firm invests across all stages through three strategies: Build (acquiring underappreciated tech companies), Venture (leading post-PMF rounds), and Seed (very early checks). Focus areas are Future of Work, Cybersecurity, Developer Infrastructure, and Consumer Technology, with increasing emphasis on AI applications. Beverly Hills, California | $100K – $10M | 32 | Leads | Active | ~2 wks | Req'd |
| 7 | ▶ OpenAI Startup Fund New and powerful AI systems will give rise to transformative startups. We back exceptional engineers, designers, researchers, and product builders using AI to solve critical problems in healthcare, law, education, energy, sciences, and enterprise. We provide capital, operational support, talent expertise, and conviction follow-on investing. San Francisco | $1M – $5M | 15 | Both | Active | ~2 wks | Open |
| 8 | ▶ 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 |
| 9 | ▶ Icehouse Ventures Back exceptional Kiwi founders building globally transformative companies, from day one to IPO. New Zealand founders represent a significantly undervalued asset class, and Icehouse provides capital plus an ecosystem of 3,000+ investors and deep operational support. Auckland | $100K – $10M | 41 | Leads | Active | ~2 mo | Open |
| 10 | ▶ 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 |
| 11 | ▶ Insight Partners Software founders need more than capital to scale successfully. Insight Partners combines investment capital with hands-on operational expertise, embedded teams, and network access to accelerate company growth across all stages. New York | $10M – $350M | 28 | Leads | Active | ~1 mo | 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 11 VC firms that actively invest in security & cybersecurity + edtech at the Series B 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 b security & cybersecurity + edtech investors is $10.1M – $10.1M, with a full range from $100K – $350M. The distribution breaks down as: 1 firms in the <$500K range, 1 firms in the $1M-$2M range, 1 firms in the $2M-$5M range, 2 firms in the $5M-$10M range, 6 firms in the $10M+ range.
Among the 11 firms tracked, 100% 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 b security & cybersecurity + edtech investors combine domain expertise with an active portfolio in the space. Among these firms, 27% prefer warm introductions, and the average firm has 35 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.