8 VC firms investing in e-commerce & marketplaces and aerospace & defense at the Series B stage.
F4 Fund tracks 8 VC firms that actively invest in e-commerce & marketplaces + aerospace & defense at the Series B stage, with check sizes ranging from $100K – $100M (median: $3.3M – $3.3M). As of June 2026, and 75% 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 | ▶ Accel Partner with exceptional teams building transformative technology companies across all stages San Francisco | $2M – $10M | 127 | Both | Active | — | — |
| 2 | ▶ Caffeinated Capital Support founders pursuing their life's work with an alternative to the hype cycle: the luxury of long-term thinking. We support founders building category-defining companies across all sectors that will last for lifetimes. San Francisco | $1M – $5M | 18 | Leads | Active | — | — |
| 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 | ▶ Tiger Global Management 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. New York | $1M – $100M | 21 | Leads | Active | ~1 wk | Req'd |
| 5 | ▶ Gaingels Equity of access and representation in venture capital delivers positive returns. Diverse and underrepresented (including LGBTQ+) leaders of high-growth companies deserve capital access. When these founders succeed, they influence ecosystems and open doors for historically excluded groups. New York | $200K – $500K | 29 | Follows | Active | ~2 wks | Open |
| 6 | ▶ Evolution Venture Capital Partners Culture-Tech companies that disrupt and define how we live, work, play, and interact with the world every day. We invest in passionate founders building transformative products that change cultural behaviors. New York | $500K – $6M | 28 | Leads | Active | ~1 wk | Open |
| 7 | ▶ Flucas Ventures 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. Miami | $250K – $5M | 17 | Follows | Active | ~1 wk | Req'd |
| 8 | ▶ VU Venture Partners Invest in early-stage tech companies addressing world's largest market opportunities and solving humanity's biggest challenges. Leverage global distributed team to source, evaluate, and support transformational founders. San Francisco | $100K – $1M | 16 | Both | Active | ~2 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 8 VC firms that actively invest in e-commerce & marketplaces + aerospace & defense 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 e-commerce & marketplaces + aerospace & defense investors is $3.3M – $3.3M, with a full range from $100K – $100M. The distribution breaks down as: 1 firms in the <$500K range, 1 firms in the $500K-$1M range, 3 firms in the $2M-$5M range, 1 firms in the $5M-$10M range, 2 firms in the $10M+ range.
Among the 8 firms tracked, 75% lead or co-lead rounds, and 25% typically follow. 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 e-commerce & marketplaces + aerospace & defense investors combine domain expertise with an active portfolio in the space. Among these firms, 33% prefer warm introductions, and the average firm has 38 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.