32 VC firms investing in biotech & life sciences and real estate & proptech at the Pre-Seed stage.
F4 Fund tracks 32 VC firms that actively invest in biotech & life sciences + real estate & proptech at the Pre-Seed stage, with check sizes ranging from $25K – $500M (median: $1.4M – $1.4M). As of July 2026, and 84% lead or co-lead rounds. Rankings are based on F4's proprietary analysis of 1,365+ researched VC firms, scored by data completeness, portfolio depth, investment recency, and stage alignment.
| # | Firm | Check Size | Portfolio | Leads? | Activity | Decision | Intro |
|---|---|---|---|---|---|---|---|
| 1 | ▶ RangeVentures Partner with ambitious founders building category-winning companies. We believe great founders who understand execution, customer obsession, and operational excellence can build transformative companies. We provide capital, operational guidance, network access, and strategic partnership—not just funding. | $250K – $2.5M | 80 | Leads | Active | ~2 wks | Open |
| 2 | ▶ Springbank Collective We invest in mission-critical infrastructure serving women and working families. Many essential systems have been dismissed as too complex or too human to solve, but technology and AI advances make transformation possible. This is a $1 trillion opportunity and generational economic growth driver. New York | $250K – $2M | 36 | Leads | Active | ~2 wks | Open |
| 3 | ▶ Yes VC We invest in category-defining companies at Pre-Seed and Seed stages founded by entrepreneurs with authentic passion. Focus on founders working in climate, food, healthcare, AI automation, and frontier technologies. Philosophy: when the world says No, go toward the Yes as hard as you can. | $30K – $1.5M | 46 | Both | Active | ~2 wks | Open |
| 4 | ▶ Prelude Ventures Climate is the biggest challenge of our lifetime and the greatest business opportunity of the coming decades. We back visionaries accelerating climate innovation that will reshape our global economy for the betterment of people and planet. The most successful companies are born from a vision for a better future and the ability of that vision to create large, lasting positive impact. We invest in frontier technologies addressing climate across seven sectors: Built Environment, Carbon Management, Compute, Energy, Food & Agriculture, Manufacturing & Industrials, and Mobility. The best ideas come from everywhere—we operate where many venture firms can't or won't. San Francisco | $100K – $5M | 52 | Both | Active | ~2 mo | Open |
| 5 | ▶ Lerer Hippeau As founder-operators, we see returns in relationships. We back ambitious founders with exceptional vision at the earliest stages with capital, mentorship, and network access. | $100K – $1M | 73 | Leads | Active | ~1 mo | Open |
| 6 | ▶ Okapi Venture Capital Southern California's original seed-stage venture capital fund, focused on capital-efficient technology startups with differentiated competitive advantages targeting large, addressable and growing markets outside the Bay Area. Active, hands-on management with emphasis on venture fundamentals and disciplined investment strategy. Newport Beach | $750K – $3M | 31 | Leads | Active | ~2 wks | Open |
| 7 | ▶ Pebblebed We back the foundational layers of progress. Developer platforms that accelerate creation. Robot operating systems that make autonomy real. Simulation engines training the next generation of AI. Formal verification securing billions in value. Foundational systems that quietly compound—built by founders who see elegance in complexity and possibility in constraints. San Francisco | $250K – $2M | 38 | Leads | Active | ~2 wks | Open |
| 8 | ▶ Moxxie Ventures Exceptional founders living in the future deserve operators who provide more than capital. We partner with founders on go-to-market, brand, storytelling, and team building. San Francisco | $500K – $2M | 60 | Leads | Active | ~2 wks | Open |
| 9 | ▶ Correlation Ventures We combine world-class AI analytics with industry-leading networks to identify exceptional companies and make rapid investment decisions. Great companies, regardless of sector or geography. San Diego | $100K – $4M | 32 | Follows | Active | ~1 wk | Open |
| 10 | ▶ Montage Ventures Montage Ventures aims to support radical thinkers who are bringing new ideas and platforms to foster change within the financial services, commerce and health sectors, leveraging AI as a key transformative agent. | $250K – $1M | 51 | — | 1mo | — | — |
| 11 | ▶ Pareto Holdings Back exceptional founders early, globally. Self-funded model enables founder-first alignment, rapid deployment, and direct support. We believe the best companies come from the best founders, regardless of background or current stage. Miami | $100K – $25M | 22 | Leads | Active | ~1 wk | Open |
| 12 | ▶ UpHonest Capital We invest in the most promising entrepreneurs building the fastest-growing early-stage startups. We provide cross-border access by connecting founders to resources and networks across the world's most valuable and influential VC markets. Palo Alto | $50K – $1M | 26 | Follows | Active | ~1 mo | Open |
| 13 | ▶ Felicis Ventures Back founders building iconic companies that transcend boundaries. We invest directly in their growth to make them unbreakable. Founded on principle that luck isn't made, it's engineered. Founders are our customer, not LPs. We always vote shares with founders and provide 1% non-dilutive founder development capital alongside every first check. Menlo Park | $500K – $15M | 29 | Both | Active | ~1 wk | Open |
| 14 | ▶ Brickyard Extraordinary founders execute faster when isolated from distractions and provided intensive on-site support. We seek junkyard dogs with high agency, non-obvious vision, delusional optimism, and execution discipline. Category matters far less than founder quality. Chattanooga, TN | $100K – $500K | 52 | Both | Active | ~2 wks | Open |
| 15 | ▶ Boro Capital Invest in scalable, capital-efficient tech and tech-enabled startups at the Seed stage led by exceptional founders. We identify companies showing early traction that can achieve significant scale with disciplined capital deployment. New York | $100K – $500K | 32 | Leads | Active | ~2 wks | Open |
| 16 | ▶ Supernode Ventures We invest in the technologies that are transforming our lives, now and into the future. Founded by a successful entrepreneur and former tech journalist, Supernode backs exceptional founders building innovative technology companies across all sectors, from pre-seed through Series A and beyond. San Francisco | $250K – $3M | 20 | Both | Active | 3+ mo | Open |
| 17 | ▶ Debut Capital Early-stage venture capital for IT and Biotech companies in Colorado Front Range and Mid-Atlantic. Focus on experienced founding teams solving important problems with potential for significant financial returns. Patient capital approach with operational support and deep regional networks. New York | $500K – $5M | 48 | Leads | Active | ~2 wks | Req'd |
| 18 | ▶ Vast Ventures We invest in companies organized around five concrete objectives: improving worldwide health and happiness, promoting resource sustainability, increasing human potential and productivity, increasing knowledge/empathy/connectedness, and disrupting industries that resist these goals. We operate as both investors and company-builders, providing operational expertise and hands-on support far beyond capital. New York | $250K – $3M | 26 | Leads | Active | ~2 wks | Req'd |
| 19 | ▶ Kima Ventures Back ambitious teams with strong learning and execution capacities across all sectors, stages, and geographies. Technology-enabled businesses preferred. Volume-based, founder-centric investment philosophy. Paris | $100K – $200K | 25 | Leads | Active | ~2 wks | Open |
| 20 | ▶ Expa We build category-defining companies through a combination of design, product, operations, and capital. We identify market gaps, pair brilliant founders with Expa's studio resources, and help them build companies that reshape entire industries. San Francisco | $500K – $5M | 60 | Leads | Active | ~1 wk | Open |
| 21 | ▶ Rockies Venture Fund High-growth early-stage companies with disruptive innovation across diversified sectors. Particular focus on underserved communities and Rocky Mountain region. Platform approach with multiple themed funds for specialized strategies. Denver | $100K – $500K | 18 | Both | Active | ~2 mo | Req'd |
| 22 | ▶ Staircase Ventures Lead pre-seed and seed rounds in Canadian B2B software and AI-enabled vertical workflow companies with an initial product in market, early product-market-fit signals, and ambition to scale across North America or globally. Toronto | $1M – $2.5M | 14 | Leads | Active | — | — |
| 23 | ▶ NFX Network effects are the #1 way to create defensibility in digital businesses. We invest in visionary founders building defensible businesses with network effects embedded in their core product. San Francisco | $1M – $5M | 28 | Leads | Active | — | — |
| 24 | ▶ TheFounderVC Backs U.S. pre-seed and seed founders building vertical AI applications where domain expertise, workflow-native products, differentiated data, and personalized UX can create category leaders. Seattle | $100K – $250K | 7 | Both | Active | — | — |
| 25 | ▶ Picus Capital Empowering entrepreneurs to reimagine the way we live and work by investing in daring technology companies challenging the status quo with permanent capital, lifelong sparring partnership from pre-seed through IPO and beyond. Munich | $100K – $5M | 24 | Leads | Active | ~1 mo | Open |
| 26 | ▶ 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 |
| 27 | ▶ 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 |
| 28 | ▶ Plug N Play Ventures We connect innovative startups with 550+ corporate partners who have real business problems to solve. Our unique position in the ecosystem creates a flywheel of pilots, proofs-of-concept, enterprise customers, and follow-on capital. We back founders solving real market problems with credible corporate validation. Sunnyvale | $25K – $3M | 19 | Leads | Active | ~1 wk | Open |
| 29 | ▶ Gigafund Back the world's most ambitious and transformative entrepreneurs capable of building world-defining companies over 20+ years. Invest in founders with independent thought and first-principles vision to solve humanity's biggest problems across all sectors and geographies. Austin | $1M – $500M | 18 | Leads | Active | 3+ mo | Open |
| 30 | ▶ 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 |
| 31 | ▶ 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 |
| 32 | ▶ 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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Firms that frequently co-invest with investors on this page
F4 Fund tracks 32 VC firms that actively invest in biotech & life sciences + real estate & proptech 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 biotech & life sciences + real estate & proptech investors is $1.4M – $1.4M, with a full range from $25K – $500M. The distribution breaks down as: 8 firms in the <$500K range, 5 firms in the $500K-$1M range, 9 firms in the $1M-$2M range, 7 firms in the $2M-$5M range, 1 firms in the $5M-$10M range, 2 firms in the $10M+ range.
Among the 32 firms tracked, 84% lead or co-lead rounds, and 13% 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 biotech & life sciences + real estate & proptech investors combine domain expertise with an active portfolio in the space. Among these firms, 18% 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.