InvestorFounders Fund is a venture capital firm based in the United States, founded in 2005. It invests in technology companies across various sectors and stages.
FJ Labs
FJ Labs is a New York City-based venture capital firm that specializes in investing in marketplace and network effect businesses. They are known for having the world's largest portfolio of marketplace startups.
Online destinations
Find FJ Labs online
Where to find this organization online, grouped by who runs each page. A link here does not mean the organization controls it.
Official links
Pages the organization runs itself.
Third-party rankings
Where FJ Labs ranks
| Ranking | Edition | Position | Since last edition | Trust | What it measures |
|---|---|---|---|---|---|
 Most active fintech investors (Crunchbase News) | Q2 2026 | #5 | No prior edition | B | Activity |
Overview
FJ Labs is an investment organization founded by Fabrice Grinda and Jose Marin, focusing on marketplace and network effect businesses. Established in New York City, FJ Labs has built a substantial portfolio, claiming to have the world's largest collection of marketplace startups. The firm specializes in early-stage investments, evaluating opportunities globally, particularly in large economies with robust venture ecosystems. Their investment strategy emphasizes scalable and capital-efficient businesses with strong unit economics and potential for market leadership.
Focus
FJ Labs invests in companies at various stages, including pre-seed, seed, and series A through C+. Their investment strategy emphasizes scalable and capital-efficient businesses with strong unit economics and potential for market leadership.
Support
FJ Labs provides value to its portfolio companies through strategic guidance, access to a vast network of industry contacts, and expertise in scaling marketplace businesses.
Questions
What are FJ Labs' investment criteria?
FJ Labs focuses on early-stage investments in marketplace and network effect businesses. They evaluate companies across various stages, including pre-seed, seed, and Series A through C+. The firm looks for scalable and capital-efficient models with strong unit economics and potential for market leadership.
How can I apply or pitch to FJ Labs?
Founders can pitch to FJ Labs through their website at fjlabs.com. The firm encourages startups to provide a clear business plan and demonstrate their market potential.
What makes FJ Labs different from other VCs?
FJ Labs is recognized as the world's largest marketplace-focused VC, with a portfolio of over 1,100 startups. Their extensive experience in scaling marketplace businesses and their global investment reach set them apart from other venture capital firms.
What is FJ Labs' geographic scope?
FJ Labs invests globally, with a primary focus on large economies that have robust venture ecosystems. They actively seek opportunities in various regions, including the United States and other significant markets.
What is FJ Labs' post-investment involvement like?
FJ Labs adds value to its portfolio companies by leveraging its extensive network and expertise in marketplace dynamics. The firm provides strategic guidance and support to help startups scale efficiently and achieve market leadership.
What are the typical check sizes for investments?
FJ Labs typically invests between $100,000 and $3 million, with an average check size of approximately $390,000 at the seed stage. This flexibility allows them to support startups at various stages of growth.
Check your startup’s fit
Check your startup’s fit with FJ LabsFrom public sources
What the sources say about FJ Labs
The fetched Pitch Fabrice page states that the pitch is informational and not a binding offer.
Source: Pitch FabriceGrinda's current homepage links Pitch Me Your Startup as a startup-feedback tool.
Source: Home - Fabrice GrindaGrinda's August 24, 2020 article invites cold startup pitches via LinkedIn with business, traction, and deck information.
Source: How FJ Labs gets its deal flow - Fabrice GrindaFJ Labs' current team page lists Ariel Lebowits as CFO.
Source: TeamFJ Labs' current team page lists Matthew Stone as COO.
Source: TeamFJ Labs' current team page lists Jaye Landow as Head of Investor Relations.
Source: Team
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