9 VC firms investing in fintech & payments and manufacturing & industrial at the Series B stage.
F4 Fund tracks 9 VC firms that actively invest in fintech & payments + manufacturing & industrial at the Series B stage, with check sizes ranging from $100K – $500M (median: $5.3M – $5.3M). As of June 2026, and 100% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,361+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ Suffolk Technologies The $12 trillion built environment sector is ripe for digital transformation. Suffolk Technologies deploys capital, resources, and networks to help founders scale technologies in construction, architecture, engineering, real estate, and infrastructure. Uniquely positioned as the venture arm of Suffolk Construction, they provide operational test beds, jobsite access, and deep domain expertise that pure financial investors cannot. Boston | $150K – $10M | 55 | Leads | Active | ~2 mo | Open |
| 2 | ▶ Impact America Fund Tech-enabled businesses built for and by people in marginalized communities create new frameworks of ownership and opportunity. Traditional VCs miss billion-dollar markets in overlooked communities. Oakland | $250K – $3M | 32 | Leads | Active | ~1 mo | Req'd |
| 3 | ▶ SpeedInvest Backs globally ambitious technology companies from pre-seed and seed through selected growth rounds using specialist EMEA sector teams and a platform model for capital, customers, talent, follow-on investors, and operational support. Vienna | $250K – $30M | 49 | Leads | Active | — | 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 | ▶ Khosla Ventures Technology-based economic disruption of large markets through black swan investments. We seek founders with domain expertise and unreasonable conviction to build billion-dollar companies solving the world's largest problems. Menlo Park | $500K – $50M | 38 | Both | Active | ~2 wks | Open |
| 6 | ▶ 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 |
| 7 | ▶ Argonautic Ventures AI is a milestone in data maturity progression, not a product category. Argonautic invests in founders building data-centric solutions across infrastructure (horizontal) and vertical markets. Multi-fund structure allows pre-seed to Series B deployment with unified thesis: recognizing verticals at different data adoption stages and deploying capital to those crossing inflection points into AI operationalization. | $250K – $1M | 7 | Both | Active | ~2 wks | Open |
| 8 | ▶ Pillar VC We invest in technical breakthroughs that overcome the world's greatest challenges. We partner at inception with technically brilliant dreamers who see past impossible to inevitable. We evaluate scientific opportunities through both commercial potential and human impact lenses. Boston | $100K – $10M | 22 | Leads | Active | ~2 mo | Open |
| 9 | ▶ Cathay Innovation Startups positioned as transformation partners with Fortune 500 corporates create the most impactful solutions. We believe the next generation of market leaders will emerge through collaborative innovation between startups and incumbent enterprises, supported by global expertise and capital. Paris | $5M – $100M | 16 | Both | Active | ~1 mo | Req'd |
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Firms that frequently co-invest with investors on this page
F4 Fund tracks 9 VC firms that actively invest in fintech & payments + 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 fintech & payments + manufacturing & industrial investors is $5.3M – $5.3M, with a full range from $100K – $500M. The distribution breaks down as: 1 firms in the $500K-$1M range, 1 firms in the $1M-$2M range, 3 firms in the $5M-$10M range, 4 firms in the $10M+ range.
Among the 9 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 fintech & payments + manufacturing & industrial investors combine domain expertise with an active portfolio in the space. Among these firms, 33% prefer warm introductions, and the average firm has 30 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.