F4 FundFund
TeamPortfolioRaiseChampionsEssays
Sign in
Investment ThesisInvestment TeamF4 Research BriefSelected PortfolioRecent UpdatesFrequent co-investorsSimilar Firms
Warm Fund

NFX

www.nfx.com · San Francisco, California

“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.”

$1M – $5M
Check Size
Leads
Lead Tendency
01Investment Thesis

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.

Exclusion Criteria

No pure hardware, medical devices, deep tech, or companies without network effects potential

02Investment Team
MB
Morgan Beller
General Partner
OA
Omri Amirav-Drory
General Partner
PF
Pete Flint
General Partner
GL
Gigi Levy-Weiss
General Partner
JC
James Currier
General Partner
03F4 Research Brief

NFX Research

Investment Thesis

NFX is a seed-stage venture capital firm founded by experienced entrepreneurs who have built 10+ companies with over $10 billion in successful exits. The fund's core thesis centers on network effects as the primary mechanism for creating defensibility and long-term value in digital businesses. NFX has spent over 20 years studying network effects and identifies 16 different types of network effects that drive business model strength.

The firm's philosophy emphasizes backing visionary, unconventional founders who see the world differently and demonstrate the determination to "run through walls" to execute their vision. They position themselves as founder-friendly investors who provide not just capital but comprehensive support through their entire team, proprietary software tools, curated content, and an exclusive network of 500+ leading founders known as The Guild.

Sector Focus

NFX invests across eight primary focus areas where network effects can drive competitive advantage:

  • Bio and Biotech: Companies developing physiologically accurate models and bioplatforms
  • Gaming: Game studios, gaming infrastructure, and multiplayer gaming experiences
  • Generative AI: AI applications and tools built across different sectors
  • PropTech: Property technology and real estate marketplaces
  • Marketplaces: Consumer and B2B marketplaces with network effects
  • FinTech and Payments: Financial services companies with network effects built into core model
  • Crypto and Blockchain: Protocols, DeFi platforms, and blockchain infrastructure

They explicitly exclude pure hardware companies, medical device manufacturers, and deep tech without clear path to network effects. They also don't invest in companies where network effects cannot be fundamentally embedded in the business model.

Stage Focus

NFX is a seed and pre-seed focused venture capital fund. They position themselves as investors who "fund you first and fund you fast," emphasizing rapid capital deployment at the earliest stages of company formation. They follow with operational support to help founders "get it right fast," and then assist with follow-on fundraising to help founders "raise your next round fast."

Check Size and Deal Structure

NFX's typical investment check size ranges from $1 million to $5 million:

  • Pre-Seed Stage: $1M-$2M for founding teams with early product validation
  • Seed Stage: $2M-$5M for companies with market traction and team development

They maintain significant follow-on reserve capacity for successful portfolio companies.

Geographic Focus

NFX operates as a global fund with active investments across multiple regions:

  • United States: Primary focus with emphasis on Silicon Valley but also active in other tech hubs
  • Israel: Active investment presence with dedicated focus
  • Latin America: Growing presence with dedicated geographic focus
  • Europe: Active investment across major European tech centers

Team and Leadership

NFX's partnership includes founder-turned-investors with deep operational and venture experience:

  • James Currier: Co-founder and General Partner, thought leader on network effects
  • Pete Flint: Co-founder and General Partner, expertise in scalable business models
  • Morgan Beller: General Partner, former Facebook executive
  • Omri Drory, Ph.D.: General Partner specializing in biotech and life sciences
  • Gigi Levy-Weiss: General Partner with marketplace and platform expertise
  • Stan Chudnovsky: Venture Partner
  • Additional principals and supporting team members providing full partnership access

Recent Investment Activity

NFX continues active deployment across its portfolio:

  • On Me (Dec 2025): $6M investment in gift card marketplace transforming rewards into network
  • Stoke Space (Oct 2025): Participated in $510M+ funding for reusable rocket manufacturing
  • EvenUp (Oct 2024): Portfolio company reached $1B+ valuation for AI-powered legal drafting
  • Koi (2025): Co-led $38M Series A for enterprise software security company
  • Cyclana Bio (Oct 2025): Invested in bioplatform company building physiologically accurate human tissue models
  • Anastasia Budinskaya Promotion: Promoted to Principal (Jan 2026)

Portfolio Highlights and Exits

NFX's portfolio includes 232 companies with 25 unicorns. Notable major exits and current portfolio include:

Major Exits and IPOs:

  • DoorDash (IPO, marketplace for delivery logistics)
  • Lyft (IPO, marketplace for mobile ride sharing)
  • Hippo (IPO, online home insurance)
  • Global-e (IPO, cross-border ecommerce platform)
  • Evolution (acquired gaming company)
  • Anchorage Digital (crypto custody for institutions)

Active Portfolio Companies:

  • HoneyBook (SaaS and payments for creative services)
  • Incredible Health (labor marketplace for healthcare workers)
  • Honor (marketplace network for home care workers)
  • Hightouch (data and AI platform for marketing)
  • Triple Whale (real-time metrics and dashboards)
  • Papaya Gaming (multiplayer gaming tournaments)
  • Nuvocargo (cross-border shipping simplified)
  • Mammoth Bio (CRISPR platform for disease treatment)
  • Seso Labor (safe employment for agriculture workers)

Lead vs Follow Tendency

NFX actively leads seed and pre-seed rounds. Their position in most early-stage investments is that of lead investor setting the round structure and valuation. Many portfolio companies began as angel investments from individual partners that later converted to larger institutional rounds.

Investment Decision Process

NFX follows a partnership-driven decision model where lead partners conduct primary diligence but decisions benefit from full team input. The underwriting process focuses on two primary factors: (1) exceptional founding team quality with demonstrated vision and execution ability, and (2) large addressable market opportunity with clear network effects dynamics.

Founder Type and Preferences

NFX explicitly targets what they call "visionary, anti-normal" founders with the following characteristics:

  • Founders who see the world differently than consensus
  • Demonstrated ability to "run through walls" for their vision
  • Clear track record of shipping products or deep domain expertise
  • Commitment to building defensible businesses with network effects
  • Leadership potential to scale from founder to elite executive
  • Ability to attract and motivate exceptional teams

Access and Contact Process

Prospective founders can reach NFX through multiple channels:

  • Warm introductions from existing investors, advisors, or portfolio founders
  • Signal platform: NFX's proprietary founder-VC network application
  • General inquiries: [email protected]
  • Press inquiries: [email protected]
04Selected Portfolio
Biotech & Life Sciences
Cyclana Bio·Mammoth Bio·Centivax
Crypto & Web3
Anchorage Digital
E-commerce & Marketplaces
DoorDash·Global-e·Honor·On Me·Gizmo
Enterprise Software
HoneyBook·Hightouch·Triple Whale·Blitzy·CopilotKit·F2
Gaming
Papaya Gaming·Evolution
Healthcare & Digital Health
Theator·Altro Health
HR Tech & Future of Work
Incredible Health·Sesolabor
Insurance
Hippo
Legal & Regtech
Evenup
Logistics & Supply Chain
Nuvocargo
Manufacturing & Industrial
Bethlehem Steel
Robotics & Automation
Q-Factor
Travel & Hospitality
Lyft
Other
Stoke·Koi·Starcloud
Open the full portfolio→
05Recent Updates

Fresh signals from public announcements, essays, and portfolio activity.

See full activity (15) →
Gigi Levy-Weiss published an essay arguing that cybersecurity's future belongs to startups as the battleground shifts from OS to the application layer, citing NFX portfolio company Koi's $400M acquisition by Palo Alto Networks as validation.
ESSAY·nfx.com
SEP 2026
Participated as an existing investor in F2's $14M seed round, part of $24M total equity capital.
INVESTMENT·businesswire.com
JUN 10, 2026
NFX invested in Altro Health (formerly Lyv Health), a clinical Shopify for wellness enabling SMBs to offer medical-grade services including peptides and GLP-1s. Founded 2025, based in NYC.
INVESTMENT·nfx.com
JUN 2026
Published a thesis on AI-driven opportunities in power, industrial infrastructure, physical AI, and materials.
ESSAY·nfx.com
JUN 2026
Published a thesis arguing early-stage venture should aim superintelligence toward hard problems and defensible assets.
ESSAY·nfx.com
JUN 2026
06Frequent co-investors
AP
Amplify Partners
Both backed 3 of the same companies
Centivax, Anchorage Digital, Hightouch
I
iAngels
Both backed 3 of the same companies
Incredible Health, Theator, Anchorage Digital
B
BoxGroup
Both backed 2 of the same companies
Lyft, DoorDash
DR
Dorm Room Fund
Both backed 2 of the same companies
Altro Health, Hightouch
IG
ICONIQ Growth
Both backed 2 of the same companies
Hippo, Hightouch
Find the investors for your round→
07Similar Firms
HV
Hummingbird VC
$500K – $50M · Pre-Seed · Seed
→
AV
Asymmetry Ventures
$100K – $500K · Seed · Pre-Seed
→
KV
Kima Ventures
$100K – $200K · Pre-Seed · Seed
→
UV
Upfront Ventures
$1M – $15M · Pre-Seed · Seed
→
AV
Alumni Ventures
$250K – $5M · Pre-Seed · Seed
→
Quick Reference
Check Size
$1M – $5M
Stages
Pre-Seed · Seed
Decision
Partnership
Involvement
Board Seat
Location
San Francisco, California
Sector Focus
Manufacturing & IndustrialConsumer Apps & SocialE-Commerce & MarketplacesGamingEnterprise SoftwareSecurity & CybersecurityFintech & PaymentsHealthcare & Digital HealthBiotech & Life SciencesReal Estate & PropTechClimate & SustainabilityRobotics & AutomationAerospace & Defense
Models
B2B SaaSDeveloper ToolsMarketplaces
Technology
Ai MlLlm
See all Manufacturing & Industrial investors →See all Consumer Apps & Social investors →See all E-commerce & Marketplaces investors →
Visit www.nfx.com ↗

See how NFX matches your startup

Get a personalized match report in minutes.

Get Your Match Report
Focus Areas
Manufacturing & IndustrialConsumer Apps & SocialE-Commerce & MarketplacesGamingEnterprise SoftwareSecurity & CybersecurityFintech & PaymentsHealthcare & Digital HealthBiotech & Life SciencesReal Estate & PropTechClimate & SustainabilityRobotics & AutomationAerospace & Defense

See how NFX matches your startup

Get a personalized match report in minutes.

Get Your Match Report
Is this your firm? Claim your profile
F4 Intelligence Report · Last Researched September 23, 2026F4 Research Engine