F4 Champions · Season 1
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F4 Champions · Season 1
You're researching investors. We want to see what you're building.
Join the open accelerator where your standing changes with what you ship. Enrollment closes August 2.
13 VC firms investing in e-commerce & marketplaces and security & cybersecurity at the Growth stage.
F4 Fund tracks 13 VC firms that actively invest in e-commerce & marketplaces + security & cybersecurity at the Growth stage, with check sizes ranging from $100K – $350M (median: $35M – $35M). As of July 2026, and 92% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,544+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ Activant Capital Partner with relentless founders through their most defining stages of growth, using an in-house Research team to underwrite and support commerce-infrastructure and AI-native technology companies. Greenwich, CT | $15M – $60M | 118 | Both | Active | N/A | N/A |
| 2 | ▶ Stripes Stripes invests in companies with exceptional products for consumers and businesses, acting as an of-service growth partner. Product-market fit is the prerequisite; Stripes provides the operational muscle — go-to-market, talent, network, and capital markets support — to scale from product-led growth to market-leading brand. New York | $10M – $150M | 79 | Leads | Active | ~2 mo | Open |
| 3 | ▶ Bain Capital Ventures Ambitious founders solving fundamental problems across major industries. The next generation of transformational companies will be built on modern AI, secure infrastructure, and efficient commerce. We partner with technical founders with operator experience and compelling narratives. San Francisco | $1M – $20M | 28 | Leads | Active | ~2 wks | Open |
| 4 | ▶ Partech Partners We support ambitious founders solving large problems through technology across all stages. Independent thinkers who challenge conventional wisdom are our ideal partners. We provide not just capital but operational expertise, global networks, and hands-on support from day one through scale. Paris | $300K – $100M | 27 | Both | Active | ~1 mo | Open |
| 5 | ▶ Radian Capital Radian Capital partners with software-driven B2B companies at scale, providing capital and hands-on operational support. They concentrate on select companies and go deep with each, emphasizing sustainable growth over growth at all costs. New York | $5M – $30M | 34 | Leads | Active | ~1 mo | Req'd |
| 6 | ▶ 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 | 42 | Both | Active | ~1 mo | Open |
| 7 | ▶ Zeev Ventures Solo GP model combining angel investing speed with VC-scale checks. Backs non-traditional founders solving their own problems. Rejects process-heavy VC bureaucracy in favor of speed, decisiveness, and founder-first engagement. Palo Alto | $20M – $50M | 23 | Leads | Active | ~1 wk | Open |
| 8 | ▶ Bicycle Capital Latin America is home to exceptional founders addressing large markets who lack reliable growth capital. Bicycle Capital partners selectively with founders who have already proved product-market fit — from Series B to IPO — providing capital plus deep operational expertise and a global network built over decades at SoftBank. Miami | $25M – $150M | 7 | Leads | Active | ~2 mo | Open |
| 9 | ▶ Rosecliff Ventures Rosecliff's Frontier Technology Thesis focuses on AI, aerospace, defense, energy resilience, and space infrastructure. New York | $500K – $10M | 23 | Both | Active | ~2 mo | Open |
| 10 | ▶ 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 | 23 | Leads | Active | ~1 wk | Req'd |
| 11 | ▶ Act Venture Capital Act is a long-term early-stage generalist that backs exceptional teams who truly understand their market and can become category-defining companies. The firm wants mission-driven founders, is willing to lead early, and stays with companies through expansion. Dublin 14, Ireland | $100K – $10M | 16 | Leads | Active | N/A | N/A |
| 12 | ▶ 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 |
| 13 | ▶ 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 |
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 13 VC firms that actively invest in e-commerce & marketplaces + security & cybersecurity at the Growth 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 growth e-commerce & marketplaces + security & cybersecurity investors is $35M – $35M, with a full range from $100K – $350M. The distribution breaks down as: 1 firms in the <$500K range, 2 firms in the $5M-$10M range, 10 firms in the $10M+ range.
Among the 13 firms tracked, 92% lead or co-lead rounds, and 8% 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 growth e-commerce & marketplaces + security & cybersecurity investors combine domain expertise with an active portfolio in the space. Among these firms, 18% prefer warm introductions, and the average firm has 37 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.