# Founders Fund

Founders Fund is a Venture Capital based in San Francisco, United States.

## Overview

- **Organization type:** Venture Capital
- **Headquarters:** San Francisco, United States
- **Region:** North America
- **Address:** 1 Letterman Drive, Building D 5th Floor, San Francisco, CA 94129, United States
- **Founded:** 2005
- **Assets under management:** $12.0B (Altss estimate)
- **Website:** www.foundersfund.com

## Regulatory record

- **CRD number:** 155462
- **SEC file number:** 802-75555
- **Registration status:** Registered
- **Reports private funds:** Yes
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/155462

## About

Founders Fund is a San Francisco-based venture capital firm investing in companies building revolutionary technologies (per firm website). Operating as Founders Fund LLC (CRD #155462 / SEC #802-75555), an Exempt Reporting Adviser, the firm was established in 2005 and maintains its principal office at One Letterman Drive, Building D, 5th Floor, San Francisco, CA 94129 (per SEC Form D filings and firm disclosures). It focuses on ambitious, transformational opportunities across aerospace, defense, artificial intelligence, biotechnology, fintech, and related hard-tech domains. The portfolio includes early and growth-stage investments in SpaceX, Palantir Technologies, Anduril Industries, Stripe, Airbnb, Neuralink, OpenAI, and numerous others (per foundersfund.com/portfolio). Recent capital formation includes Founders Fund Growth III, LP, which closed with approximately $4.595 billion sold (SEC Form D, first sale March 2025), and Founders Fund Growth IV, LP, which closed with approximately $6.025 billion sold (SEC Form D, first sale March 2026). Named directors on these vehicles include Peter Thiel, Napoleon Ta, and Trae Stephens. The firm emphasizes founder-centric investing and long-term support for category-defining companies. Total firm AUM is not disclosed in primary regulatory or website materials.

## Sectors

- Aerospace
- AI/ML
- Biotechnology
- Consumer Services
- Enterprise Software
- Energy Transition & Renewables
- Financial Services
- Healthcare
- Media & Entertainment
- Mobility & Transportation
- Real Estate
- Robotics & Automation
- Semiconductors
- SpaceTech

## Offices

- San Mateo, CA
- Jackson, WY
- Somerville, MA

## People

- Peter Thiel — Partner / Director
- Napoleon Ta — Partner / Director
- Trae Stephens — Partner / Director
- Lauren Gross — Partner & COO
- Scott Nolan — Partner
- John Luttig — Partner

## Questions

### What is the legal name and regulatory status of Founders Fund?

The firm operates as Founders Fund LLC (CRD #155462, SEC #802-75555), an Exempt Reporting Adviser filing Form ADV with the SEC.

### Where is Founders Fund headquartered?

One Letterman Drive, Building D, 5th Floor, San Francisco, CA 94129, United States (per SEC Form D filings for affiliated funds).

### When was Founders Fund founded?

2005 (per firm-associated disclosures and consistent secondary primary-aligned records).

### Does Founders Fund publicly disclose its total assets under management?

No. As an Exempt Reporting Adviser focused on private funds, total firm AUM is not disclosed on the official website or in publicly summarized Form ADV data; recent individual growth vehicles closed at approximately $4.6 billion (2025) and $6.0 billion (2026) per SEC Form D.

### Who are the key current leaders of Founders Fund?

Partners include Peter Thiel, Napoleon Ta, Trae Stephens, Lauren Gross (Partner & COO), Scott Nolan, and others listed on the firm’s official team page; Thiel, Ta, and Stephens are named directors on recent Growth fund Form D filings.

## Related profiles

- [Beneva](https://altss.com/profile/beneva)
- [Procter & Gamble Pension Fund](https://altss.com/profile/procter-gamble-pension-fund)

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Last updated: 2026-07-17T20:18:42.000Z

Canonical page: https://altss.com/profile/founders-fund

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