12 VC firms investing in marketing & adtech and climate & clean energy at the Pre-Seed stage.
F4 Fund tracks 12 VC firms that actively invest in marketing & adtech + climate & clean energy at the Pre-Seed stage, with check sizes ranging from $100K – $10M (median: $1.8M – $1.8M). As of June 2026, and 83% 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 | ▶ Knoll Ventures Back outlier B2B founders who see around corners and intimately understand customer pain points, investing at the pre-Series A stage to bridge the gap between seed and Series A — especially in underserved non-coastal markets like the Southeast US. Atlanta | $500K – $3M | 37 | Both | Active | — | Open |
| 2 | ▶ Habitat Partners Habitat Partners backs early-stage companies where exceptional brand equity meets strong business fundamentals. Born from Red Antler's brand expertise, the firm asks: 'Why does this company need to exist in the world, and what emotional resonance does it create?' They invest in consumer brands (CPG, beauty, food/beverage) and B2B software tools serving the startup and retail ecosystem, leveraging Red Antler's branding platform as a key value-add for portfolio companies. Brooklyn | $250K – $750K | 54 | Follows | Active | ~1 wk | Open |
| 3 | ▶ f7 Ventures We identify exceptional operators with proven track records at scale (ex-Facebook, Google, Stripe) and catalyze their transition into founders. Periods of rapid societal behavior change spur dramatic innovation. We invest in the future of work and consumer utility, providing not just capital but operational expertise, network access, and proven playbooks from building at Facebook/Meta scale. San Francisco | $500K – $5M | 46 | Leads | Active | ~1 wk | Open |
| 4 | ▶ How Women Invest Women founders represent an overlooked asset class that delivers superior returns. Women-founded companies earn 26% more for investors, yet receive only 2% of venture funding. We invest exclusively in women-founded companies, providing capital, network access, and operational support to drive transformative change. San Francisco | $250K – $5M | 31 | Leads | Active | ~1 mo | Req'd |
| 5 | ▶ 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 |
| 6 | ▶ Liquid 2 Champions exceptional founders to build lasting companies through experience, community, and capital. Generalist technology investor whose edge is network depth — Joe Montana's unmatched rolodex and 800+ portfolio company network enables introductions that most seed funds cannot provide. San Francisco | $250K – $5M | 27 | Follows | Active | ~2 wks | Open |
| 7 | ▶ LOI Venture Back the brightest early-stage founders under 30. We provide capital, mentorship, and network access to accelerate ambitious young entrepreneurs who graduate from our League of Innovators program or demonstrate exceptional founder quality. Vancouver | $100K – $1M | 35 | Leads | Active | ~2 wks | Open |
| 8 | ▶ Laconia Serious founders building must-have technology for mission-critical industries. We focus on B2B software companies digitizing legacy industries and transforming established workflows. Specializing in seed-stage, where hands-on operational support, sales acceleration, and capital strategy matter most. New York | $250K – $1M | 20 | Leads | Active | ~1 wk | Open |
| 9 | ▶ Tunitas Ventures Category creating companies with few to no competitors, defensible business models, and unit economics that are starting to work. Invest across all technology sectors except healthcare. Require 50x return potential. Primary value-add is helping raise Series A from the best possible investor. Menlo Park | $500K – $1.5M | 19 | Both | Active | ~2 wks | Open |
| 10 | ▶ Stout Street Capital Great startups can be built anywhere. We believe in founder-centric investing with operational support from a team of successful founders. We serve undernetworked geographic regions. Denver | $100K – $500K | 26 | Both | Active | ~2 wks | Open |
| 11 | ▶ 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 |
| 12 | ▶ TheoryForge Operator-led fund investing in ambitious founders building transformative AI applications. We partner with technical founders who understand AI/ML deeply and are solving real customer problems with capital efficiency. Great product is always the best marketing. | $200K – $500K | 38 | Both | Active | ~2 wks | Req'd |
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F4 Fund tracks 12 VC firms that actively invest in marketing & adtech + climate & clean energy at the Pre-Seed 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 pre-seed marketing & adtech + climate & clean energy investors is $1.8M – $1.8M, with a full range from $100K – $10M. The distribution breaks down as: 2 firms in the <$500K range, 3 firms in the $500K-$1M range, 2 firms in the $1M-$2M range, 4 firms in the $2M-$5M range, 1 firms in the $5M-$10M range.
Among the 12 firms tracked, 83% lead or co-lead rounds, and 17% 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 pre-seed marketing & adtech + climate & clean energy investors combine domain expertise with an active portfolio in the space. Among these firms, 17% prefer warm introductions, and the average firm has 34 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.