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Founders Fund

North America, California, United States, San Francisco

Description

Founders Fund, established in 2005 by Peter Thiel, Ken Howery, Luke Nosek, and Brian Singerman, stands as a prominent and often contrarian venture capital firm based in San Francisco. Known for its distinctive investment philosophy, the firm primarily backs companies building "revolutionary technologies" that aim to create entirely new markets rather than incrementally improving existing ones. This "zero to one" approach, heavily influenced by Thiel's thinking, has positioned Founders Fund as a key player in funding ambitious and often unconventional ventures across various sectors, including artificial intelligence, aerospace, biotechnology, and enterprise software.

The firm's investment strategy is characterized by a long-term perspective and a willingness to take significant risks on bold ideas that many traditional VCs might shy away from. Founders Fund is stage-agnostic, investing from seed rounds through to growth equity, enabling them to support companies throughout their entire lifecycle. They are particularly known for their high-conviction bets, often leading rounds and providing substantial capital to their portfolio companies. This flexibility in investment stage and a deep commitment to their founders distinguish their approach in the competitive venture capital landscape.

Founders Fund boasts an impressive portfolio of highly influential companies that have reshaped industries. Early investments include groundbreaking firms such as Facebook, Palantir, and Airbnb. More recently, their portfolio highlights include SpaceX, a leader in aerospace manufacturing and space transportation, and Anduril Industries, a defense technology company. The firm has consistently raised substantial capital, with its latest fund, Founders Fund VIII, reportedly closing at $5 billion in 2022, underscoring its significant financial firepower. Typical first checks from Founders Fund can range from approximately $1 million for early-stage seed investments up to $75 million for leading significant Series B or C rounds, reflecting their capacity to deploy substantial capital based on conviction.

This strategic deployment of capital, combined with a steadfast belief in the potential of transformative technologies, solidifies Founders Fund's reputation as a venture capital firm that not only provides funding but also actively shapes the future of technology and industry. Their commitment to backing visionary entrepreneurs who challenge the status quo continues to define their impact on the global innovation ecosystem.

Investor Profile

Founders Fund has backed more than 899 startups, with 54 new investments in the last 12 months alone. The firm has led 263 rounds, about 29% of its total and boasts 147 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Series A, Seed, Series B rounds (top funding stages).
  • Majority of deals are located in United States, United Kingdom, Germany.
  • Strong thematic focus on Software, Health Care, Artificial Intelligence (AI).
  • Led 22 rounds in the past year.
  • Typical check size: $1M – $75M.

Stage Focus

  • Series A (28%)
  • Seed (23%)
  • Series B (17%)
  • Series C (11%)
  • Series Unknown (8%)
  • Series D (5%)
  • Series E (2%)
  • Series F (1%)
  • Pre Seed (1%)
  • Private Equity (1%)

Country Focus

  • United States (90%)
  • United Kingdom (1%)
  • Germany (1%)
  • Brazil (1%)
  • Canada (1%)
  • Mexico (1%)
  • India (1%)
  • Norway (1%)
  • New Zealand (1%)

Industry Focus

  • Software
  • Health Care
  • Artificial Intelligence (Ai)
  • Fintech
  • Information Technology
  • Financial Services
  • Biotechnology
  • Internet
  • Machine Learning
  • E-commerce
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Founders Fund frequently co-invest with?

Sequoia Capital
North America, California, United States, Menlo Park
Co-Investments: 43
General Catalyst
North America, Massachusetts, United States, Cambridge
Co-Investments: 62
8VC
North America, California, United States, San Francisco
Co-Investments: 53
Felicis
North America, California, United States, Menlo Park
Co-Investments: 46
Y Combinator
North America, California, United States, Mountain View
Co-Investments: 46
Thrive Capital
North America, New York, United States, New York
Co-Investments: 42
SV Angel
North America, California, United States, San Francisco
Co-Investments: 51
Lux Capital
North America, New York, United States, New York
Co-Investments: 51
Andreessen Horowitz
North America, California, United States, Menlo Park
Co-Investments: 62
Khosla Ventures
North America, California, United States, Menlo Park
Co-Investments: 101

Which angels does Founders Fund often collaborate with?

PT
North America, California, United States, San Francisco
Shared Deals: 14
LG
North America, California, United States, San Francisco
Shared Deals: 17
MB
North America, California, United States, San Francisco
Shared Deals: 15
Cyan Banister
North America, California, United States, San Francisco
Shared Deals: 25
SB
North America, California, United States, San Francisco
Shared Deals: 13
KH
North America, California, United States, San Francisco
Shared Deals: 10
TX
North America, California, United States, San Francisco
Shared Deals: 10
ML
North America, California, United States, San Francisco
Shared Deals: 11
SA
North America, California, United States, San Francisco
Shared Deals: 13
EG
North America, California, United States, San Francisco
Shared Deals: 21

What are some of recent deals done by Founders Fund?

Substrate

San Francisco, California, United States

Substrate plans to use particle accelerators to make chips in affordable way.

ElectronicsManufacturingSemiconductor
Series AOct 28, 2025
Amount Raised: $100,000,000
Valthos

New York, New York, United States

Valthos builds next-generation biodefense.

Artificial Intelligence (AI)
SeedOct 24, 2025
Amount Raised: $30,000,000
Crusoe Energy Systems

Denver, Colorado, United States

Crusoe is a vertically integrated AI infrastructure company that builds and operates data centers powered by energy sources.

Artificial Intelligence (AI)EnergyEnergy ManagementOil and Gas
Series EOct 23, 2025
Amount Raised: $1,400,000,000
HistoSonics

Plymouth, Minnesota, United States

HistoSonics specializes in developing non-invasive medical devices, interventional radiology, and surgical robotics.

Health CareMedicalMedical Device
Private EquityOct 16, 2025
Amount Raised: $250,000,000
Peptilogics

Pittsburgh, Pennsylvania, United States

Peptilogics is a clinical-stage therapeutics company that develops peptide-based therapeutics using AI and computational biology.

Artificial Intelligence (AI)BiotechnologyHealth CareTherapeutics
Series BOct 16, 2025
Amount Raised: $78,000,000
Enter

São Paulo, Sao Paulo, Brazil

Enter uses artificial intelligence to provide auditable and reliable legal drafting for lawyers.

Artificial Intelligence (AI)Legal TechSoftware
Series ASep 23, 2025
Amount Raised: $35,000,000
Until Labs

San Francisco, California, United States

Until Labs is advancing technology to pause biological time, with a dedicated in-house team of biologists, engineers, and physicists.

Biotechnology
Series ASep 22, 2025
Amount Raised: $58,000,000
Bitmine Immersion Technologies

Las Vegas, Nevada, United States

Bitmine Immersion Technologies engages in bitcoin mining and hosting.

BitcoinCryptocurrencyInformation Technology
Post Ipo EquitySep 22, 2025
Amount Raised: $365,240,000
Modern Animal

Los Angeles, California, United States

Modern Animal is an innovative veterinary platform building a new kind of veterinary experience for animals and humans.

Animal FeedHealth CareMedicalVeterinary
Series DSep 16, 2025
Amount Raised: $46,000,000
Aven

San Francisco, California, United States

Aven's mission is to provide the lowest cost, most convenient, and most transparent access to capital.

AppsFinanceFinancial Services
Series ESep 9, 2025
Amount Raised: $110,000,000