8 VC firms investing in security & cybersecurity and manufacturing & industrial at the Series B stage.
F4 Fund tracks 8 VC firms that actively invest in security & cybersecurity + manufacturing & industrial at the Series B stage, with check sizes ranging from $250K – $100000M (median: $10M – $10M). As of July 2026, and 100% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,477+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ Energize Capital Energize Capital backs asset-light technologies—primarily software and services—that advance the digitization and decarbonization of critical industries including energy, climate, infrastructure, and industrials. They seek solutions enabling the energy transition at scale, from early commercialization through profitable growth. Chicago | $10M – $30M | 37 | Leads | Active | ~2 mo | Open |
| 2 | ▶ BMW i Ventures The technologies shaping the future of the automotive ecosystem are increasingly developed by startups, particularly in AI, advanced manufacturing, sustainability, and connected mobility. BMW i Ventures backs founders who see problems clearly, build without constraints, and move fast — and helps them win by connecting them to one of the world's leading automakers as a customer, development partner, and network. Mountain View | $500K – $10M | 67 | Both | Active | — | Open |
| 3 | ▶ NVIDIA Expand the AI ecosystem by backing technology visionaries solving complex problems to reshape our world. Focus on game changers and market makers in AI, robotics, biotech, autonomous vehicles, and applied AI. Leverage NVIDIA's unique position as GPU infrastructure leader to identify and support companies that will drive adoption of NVIDIA technology. | $20M – $100000M | 37 | Both | Active | ~2 wks | Open |
| 4 | ▶ Foundry Group We invest in startups and venture funds, creating a symbiotic network that propels innovation. Our approach is characterized by long-term thinking and a 'give first' philosophy. Boulder, Colorado | $500K – $10M | 26 | Leads | Active | ~1 mo | Req'd |
| 5 | ▶ Battery Ventures Battery Ventures operates as a stage-agnostic firm backing technology-driven category leaders across all growth stages from seed to buyout. The firm believes the best tech investments span the entire founder journey, and they practice collaborative, research-focused investing with embedded operational support through their Portfolio Services platform. They seek technical founders with deep domain expertise and experienced operators building in four core sectors: Application Software, Infrastructure Software, Consumer, and Industrial Tech + Life Science Tools. Boston | $1M – $500M | 23 | Both | Active | ~2 wks | Open |
| 6 | ▶ CDP Venture Capital CDP Venture Capital is a national venture platform that combines direct investing, fund-of-funds activity, accelerators, and technology transfer to strengthen Italy's innovation economy in strategic sectors. Rome | $250K – $10M | 14 | Both | Active | — | — |
| 7 | ▶ Main Sequence Main Sequence backs deep tech founders solving humanity-scale problems, especially companies connected to publicly funded research and spinouts that can turn breakthrough science into global businesses. Eveleigh, NSW, Australia | $250K – $500K | 14 | Leads | Active | ~1 mo | — |
| 8 | ▶ Deep33 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. New York | $5M – $15M | 9 | Both | Active | ~1 mo | Open |
What other stages do these firms also invest in?
Investors on this page also frequently invest in these sectors
What other sectors do these firms also invest in?
F4 Fund tracks 8 VC firms that actively invest in security & cybersecurity + manufacturing & industrial 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 + manufacturing & industrial investors is $10M – $10M, with a full range from $250K – $100000M. The distribution breaks down as: 1 firms in the <$500K range, 3 firms in the $5M-$10M range, 4 firms in the $10M+ range.
Among the 8 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 + manufacturing & industrial investors combine domain expertise with an active portfolio in the space. Among these firms, 17% prefer warm introductions, and the average firm has 28 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.