# Andreessen Horowitz

> Andreessen Horowitz is a VC fund backing Software. See 1,917 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Menlo Park, United States
- Total investments: 1,917
- Last investment: Aug 2026
- Lead investor: 50%
- Last fund: Mar 2025
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/company/andreessen-horowitz
- X (Twitter): http://twitter.com/a16z
- Website: http://www.a16z.com
- Facebook: http://www.facebook.com/andreessenhorowitz

Andreessen Horowitz is a venture capital firm specializing in investing in seed, start-ups, early, mid-stage, growth, and late-stage. It prefers to invest in the social media business and technology sector with a focus on software, back-end infrastructure, the infrastructure of the Internet, cloud computing, enterprise software and services,consumer, business Internet, mobile-Internet, consumer Internet, cloud computing, data storage, social network browsers data-storage, consumer electronics, networking functions, software related biology, biotech, and medicine companies at the intersection of computer science and life sciences with a focus on digital therapeutics, cloud technology in biology, and computational medicine.

## Contacts

5 contacts available for Andreessen Horowitz. Shizune tracks 78 team members at Andreessen Horowitz. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/andreessen-horowitz?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.7M–$20M |
| Series A | $9M–$55M |
| Series B | $17M–$112M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 259 | 14% |
| Information Technology | 111 | 6% |
| Artificial Intelligence | 104 | 5% |
| Internet | 84 | 4% |
| FinTech | 76 | 4% |

416 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 396 | 21% |
| Seed | 295 | 15% |
| Series B | 292 | 15% |
| Series C | 161 | 8% |
| Series D | 98 | 5% |

23 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 711 | 37% |
| United Kingdom | 19 | 1% |
| Brazil | 9 | 0% |
| Canada | 8 | 0% |
| Australia | 6 | 0% |

31 countries tracked in total.

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Andrew Chen | General Partner | 82 | https://shizune.co/investors/profile/andrew-chen |
| Anish Acharya | General Partner | 28 | https://shizune.co/investors/profile/anish-acharya |
| David George | General Partner | 32 | https://shizune.co/investors/profile/david-george-2 |
| Emily Bennett | investing partner | 2 | https://shizune.co/investors/profile/emily-bennett |
| Gabriel Vasquez | Partner | 4 | https://shizune.co/investors/profile/gabriel-vasquez-db03 |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Convex | Convex is a serverless infrastructure company. It was founded in 2020 by James Cowling, Jamie Turner, and Sujay Jayakar. | $57M | Series B | Aug 04, 2026 |  |
| Volta | Volta is a vertically integrated AI infrastructure platform. The company develops, finances, builds, and operates AI factories by integrating institutional capital, powered land, data centers, compute, software, and operations. | $300M | Series A | Aug 04, 2026 |  |
| Volta | Volta is a vertically integrated AI infrastructure platform. The company develops, finances, builds, and operates AI factories by integrating institutional capital, powered land, data centers, compute, software, and operations. | $300M | Series A | Aug 04, 2026 |  |
| Endeavor Optical Networks | Endeavor Optical Networks is a space communications startup building laser-based satellite links to move large amounts of data between continents as an alternative to undersea fiber cables. It builds dedicated intercontinental data-transfer infrastructure using optical satellites, targeting AI labs, hyperscalers, and telecom operators. | $10.8M | Seed | Aug 04, 2026 |  |
| Fly.io | Fly.io offers an Application Delivery Network (ADN) intended to help website owners get connected with their customers easily. The company's application delivery network uses a global network of servers to accept visitor traffic, run middleware on requests, then route them to backend applications, enabling website owners to direct theirvisitors to their respective sites securely and in a few clicks. | $25M | Series D | Jul 24, 2026 |  |
| Etched | Etched.ai designing specialized chips for language model inference. | $300M | Series C | Jul 23, 2026 |  |
| Atoms | Atoms is a robotics startup that develops industrial robotics and physical AI systems designed to automate tasks across mining, transport, and food-related operations. The company builds specialized, task-oriented machines rather than general-purpose robots, focusing on improving productivity in environments that involve physical labor andlogistics. Its technology centers on applying software-like principles to real-world systems, using robotics, sensors, and data-driven models to manage and execute industrial processes. The company structures its activities into distinct segments aligned with key industries, including food infrastructure, mining operations, and transportation systems. In the food sector, it develops automated infrastructure that supports preparation and production workflows, while in mining, it focuses on increasing operational efficiency through robotic systems designed for extraction and site activities. Its transport-related efforts include building a foundational robotic platform, described as a “wheelbase,” that supports mobility and deployment of machines in logistics and industrial settings. | $1.7B | Seed | Jul 22, 2026 |  |
| Cathedral | Cathedral is an early-stage, stealth defense technology startup that builds artificial intelligence software designed to expand U.S. military cyber capabilities. The firm specializes in delivering both offensive and defensive cybersecurity infrastructure tailored to counter cyber warfare actions from foreign adversaries like China. | $160M | Venture - Series Unknown | Jul 22, 2026 |  |
| Atoms | Atoms is a robotics startup that develops industrial robotics and physical AI systems designed to automate tasks across mining, transport, and food-related operations. The company builds specialized, task-oriented machines rather than general-purpose robots, focusing on improving productivity in environments that involve physical labor andlogistics. Its technology centers on applying software-like principles to real-world systems, using robotics, sensors, and data-driven models to manage and execute industrial processes. The company structures its activities into distinct segments aligned with key industries, including food infrastructure, mining operations, and transportation systems. In the food sector, it develops automated infrastructure that supports preparation and production workflows, while in mining, it focuses on increasing operational efficiency through robotic systems designed for extraction and site activities. Its transport-related efforts include building a foundational robotic platform, described as a “wheelbase,” that supports mobility and deployment of machines in logistics and industrial settings. | $1.7B | Venture - Series Unknown | Jul 22, 2026 |  |
| Cathedral | Cathedral is an early-stage, stealth defense technology startup that builds artificial intelligence software designed to expand U.S. military cyber capabilities. The firm specializes in delivering both offensive and defensive cybersecurity infrastructure tailored to counter cyber warfare actions from foreign adversaries like China. | $160M | Series A | Jul 22, 2026 |  |

10 of 1,917 investments shown.

## Co-investors
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund, 154 deals together
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund, 142 deals together
- [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund, 136 deals together
- [Lightspeed Venture Partners](https://shizune.co/investors/profile/lightspeed-venture-partners) — VC Fund, 127 deals together
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 113 deals together
- [Google Ventures](https://shizune.co/investors/profile/google-ventures) — VC Fund, 80 deals together

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## FAQ

### What does Andreessen Horowitz invest in?

Andreessen Horowitz invests primarily in Software, Information Technology and Artificial Intelligence startups, most often at Series A and Seed stage. Most of the 1,917 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Andreessen Horowitz's check size?

Andreessen Horowitz typically joins rounds of $1.7M–$20M at Seed, $9M–$55M at Series A and $17M–$112M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Andreessen Horowitz participates in.

### How do I contact Andreessen Horowitz?

Public channels for Andreessen Horowitz include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Andreessen Horowitz?

The team at Andreessen Horowitz includes Andrew Chen (General Partner), Anish Acharya (General Partner) and David George (General Partner), among 78 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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