About Andreessen Horowitz
Andreessen Horowitz is a venture capital firm founded in 2009. It is primarily based out of New York City, United States. As of Sep 2026, Andreessen Horowitz is an active investor, having invested in 1329 companies, with 139 new investments in the last 12 months. It primarily invests in Series A round in United States based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to High Tech and FinTech. Most recently it participated in the $***** Series C round of BigHat Overall, Andreessen Horowitz portfolio has seen 136 unicorns, 41 IPOs and 271 acquisitions including key companies like Robinhood, Slack and Facebook. A lot of funds co-invest with Andreessen Horowitz, with names like SV Angel sharing a substantial percentage of its portfolio. Andreessen Horowitz has team of 306 people including 224 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed, Series A & 14 more
Portfolio IPOs
Portfolio Acquisitions
Portfolio Unicorns
Andreessen Horowitz's List of Top Investments
Andreessen Horowitz has a portfolio of 1,329 companies, including 136 unicorns. Their most notable investments are in Tome Biosciences and Voldex.Their portfolio spans across United States, Canada, United Kingdom and 41 more locations. They have invested in Enterprise Applications, High Tech, FinTech and 39 other sectors, across stages such as Seed, Series A and 14 more. Here is the list of top investments by Andreessen Horowitz:
1. Robinhood
Broker-based online trading and investment platform. It offers tools for building investment strategies and tracking market trends. It facilitates trading in stocks, funds, options, and crypto assets. Expert-managed portfolios are available, providing market insights and investment adjustments. The company also provides educational resources to improve investor knowledge.
Key facts about Robinhood
- Founded Year: 2013
- Location: Menlo Park (United States)
- Annual Revenue: $1B+ as on Dec 31, 2025
- Stage: Public
- Total Funding till date: $5.73B
- Employee Count: 4,964 as on Aug 31, 2026
- Investors: HTIF, ADS Ventures and 155 Others
- Latest Funding Round: Post IPO, May 13, 2022, $*****
- Highlight: Public

2. Slack
Developer of communication software for team collaboration and project management. This platform facilitates messaging, file sharing, and audio or video meetings. It integrates with various third-party applications to automate workflows and manage tasks. Users organize conversations into channels to coordinate projects and share information. The software includes tools for searching archives, managing user profiles, and implementing security protocols for data protection. Artificial intelligence features assist with summarizing content, drafting responses, and managing automated agents to streamline routine work processes.
Key facts about Slack
- Founded Year: 2009
- Location: San Francisco (United States)
- Last Known Valuation: $*****
- Stage: Acquired
- Total Funding till date: $1.22B
- Employee Count: 2,615 as on Aug 31, 2026
- Investors: ADS Ventures, Glynn Capital and 69 Others
- Latest Funding Round: Post IPO, Apr 16, 2020, $*****
- Highlight: Acquired
3. OpenAI
Artificial intelligence research and development platform offering advanced language models. It enables businesses and individuals to build and integrate AI capabilities into their applications and services. It is a technology company specializing in the development of artificial intelligence models, including the popular ChatGPT, which enables users to interact with AI-powered conversational interfaces. The company's research focuses on achieving artificial general intelligence, a system that can solve complex human-level problems, while prioritizing safety and benefits. It provides its AI models through an API platform, enabling developers to integrate AI capabilities into their applications.
Key facts about OpenAI
- Founded Year: 2015
- Location: San Francisco (United States)
- Valuation: $*****
- Stage: Series F
- Total Funding till date: $180B
- Employee Count: 11,056 as on Aug 31, 2026
- Investors: Glynn Capital, K2 Global and 96 Others
- Latest Funding Round: Series F, Apr 22, 2026, $*****
- Highlight: Editors' Pick

4. Facebook
Operator of a social networking service facilitating connection and communication. Its services allows users to connect with friends, family, and other individuals. It provides tools for sharing updates, photos, and videos. The platform also offers features for creating and joining groups, following interests, and discovering content.
Key facts about Facebook
- Founded Year: 2004
- Location: Menlo Park (United States)
- Annual Revenue: $1B+ as on Dec 31, 2025
- Stage: Public
- Total Funding till date: $1.77B
- Employee Count: 27,690 as on Jul 31, 2026
- Investors: Sprout Capital Partners, Meritech and 121 Others
- Latest Funding Round: Grant (prize money), Jan 15, 2017, $*****
- Highlight: Public
5. Lyft
Network facilitating on-demand transportation and ride scheduling services for individuals. It provides options for immediate rides, scheduled pickups, and various vehicle types. The network offers programs for business transportation needs. It also focuses on safety measures and community support initiatives.
Key facts about Lyft
- Founded Year: 2007
- Location: San Francisco (United States)
- Stage: Public
- Total Funding till date: $5.02B
- Employee Count: 3,913 as on Dec 31, 2025
- Investors: HTIF, SeedFord Partners and 162 Others
- Latest Funding Round: Series I, Aug 06, 2018, $*****
- Highlight: Public
Andreessen Horowitz's Year-on-Year Investment Trends
Andreessen Horowitz has invested in 1331 companies over the last 17 years, with an average of 86 new investments annually in the last 10 years. In 2025, it made 203 investments, while as of Sep 2026, it has made 170 investments in this year. Its most recent first time investment was in Orbits and most recent follow-on round was in BigHat.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 106 | 64 | 170 |
2025 | 109 | 94 | 203 |
2024 | 107 | 66 | 173 |
2023 | 95 | 52 | 147 |
2022 | 138 | 84 | 222 |
2021 | 131 | 114 | 245 |
2020 | 51 | 46 | 97 |
2019 | 43 | 46 | 89 |
2018 | 42 | 48 | 90 |
2017 | 30 | 28 | 58 |
Andreessen Horowitz's Investments by Stage
Andreessen Horowitz has made 539 investments in Seed stage with an average round size of $16.7M, 408 investments in Series A stage with an average round size of $27.2M and 140 investments in Series B stage with an average round size of $123M.Stage of entry | No. of Investments |
|---|---|
Seed | 539 |
Series A | 408 |
Series B | 140 |
Series C | 47 |
Series D | 33 |
Others | 26 |
Note: We have considered here, only first round of investments
Andreessen Horowitz's Investments by Sector
Andreessen Horowitz has a diverse portfolio, with companies operating in the Enterprise Applications, High Tech, Consumer, FinTech and Enterprise Infrastructure. Notably, it has invested in 1191 Tech companies, 860 Enterprise (B2B) companies, 779 Software companies and at least 507 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
Enterprise Applications | 584 |
High Tech | 329 |
Consumer | 244 |
FinTech | 230 |
Enterprise Infrastructure | 167 |
Others | 1323 |
Note: We have considered here, only first round of investments
Andreessen Horowitz's Investments by Geography
Andreessen Horowitz has made most investments in United States (1012), followed by United Kingdom where it has made 20 investments.Country | No. of Investments |
|---|---|
United States | 1012 |
United Kingdom | 20 |
Canada | 19 |
Brazil | 10 |
Germany | 9 |
Others | 102 |
Note: We have considered here, only first round of investments
Andreessen Horowitz's recent investments
Andreessen Horowitz has made 170 investments in 2026 so far. BigHat and Circle are the latest among them.Here are the most recent investments by Andreessen Horowitz:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Sep 24, 2026 | United States | Series C | 8392 | [+14] | |
Sep 24, 2026 | - | Series A | 7243 | [+3] | |
Sep 17, 2026 | United States | Series B | 3821 | [+4] | |
Sep 16, 2026 | - | Seed | 8732 | [+1] | |
Sep 16, 2026 | United States | Seed | 2970 | [+7] |
Unicorns in Andreessen Horowitz's Portfolio
Andreessen Horowitz has 136 unicorns in its portfolio - Gimlet Labs, Rillet, HappyRobot and others. The most recent unicorn in their portfolio is Gimlet Labs. It became a unicorn in 2026.Here is a list of unicorns in Andreessen Horowitz's portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
63 | Developer of software to deploy and monitor AI applications across fleets | 1990 | San Francisco | Series B | houlsrk | ||
65 | AI-native ERP designed to automate accounting | 2021 | New York City | Series C | mmirikr | ||
59 | Developer of an AI operating system for autonomous business operations | 2023 | San Francisco | Series C | vnlhzis | ||
44 | Developer of autonomous systems for performing automated artificial intelligence research | 2026 | San Francisco | Seed | beouaz{ | ||
58 | Provider of aerospace and defense products, scaling to meet industry needs | 2024 | El Segundo | Series B | crmgsn{ |
IPOs and Publicly Listed companies in Andreessen Horowitz's Portfolio
41 of Andreessen Horowitz's portfolio companies have become public. Braveheart got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ), in Aug 2026 at marketcap of $1.32B and Scribe Therapeutics got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ) at marketcap of $243M.Here are Andreessen Horowitz's portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Aug 06, 2026 | Nov 05, 2025 | Series A | 8967 | |
Jul 24, 2026 | Oct 06, 2020 | Series A | 7190 | |
Jul 16, 2026 | Feb 13, 2025 | Seed | 5207 | |
Jul 01, 2026 | Mar 15, 2017 | Series A | 9107 | |
Jun 12, 2026 | Jan 02, 2023 | Series J | 4088 |
Acquired companies in Andreessen Horowitz's Portfolio
271 companies from Andreessen Horowitz's portfolio have been acquired. The most recent acquisition was Zuma in Sep 2026 by venn for $*****.Here are Andreessen Horowitz's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Sep 22, 2026 | Nov 16, 2021 | Seed | 1259 | |
Sep 18, 2026 | Jun 29, 2010 | Series B | 8061 | |
Aug 17, 2026 | - | Seed | 3006 | |
Aug 14, 2026 | - | - | 3216 | |
Aug 08, 2026 | Jul 07, 2025 | Seed | 3901 |
Team profile of Andreessen Horowitz
Andreessen Horowitz has a team of 306 members including 224 Partners, 5 Venture Partners and 9 Principals located in United States, United Kingdom and 2 more locations. Andreessen Horowitz's team sits on the board of 9 companies.Here is a list of top team members in Andreessen Horowitz:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Menlo Park | Descript, Point Digital Finance and 2 more | ||
Partner | San Francisco | - | ||
Partner | San Francisco | |||
Partner | San Francisco | - | ||
Partner | San Francisco | |||
Partner | - | - | ||
Partner | San Francisco | - | ||
Partner | Palo Alto | - |
Co-investors of Andreessen Horowitz
Over the past 17 years, 6352 investors have co-invested in Andreessen Horowitz's portfolio companies. This includes funds and angels.
- Invested before Andreessen Horowitz: Y Combinator, SV Angel and 1465 others have invested in rounds before Andreessen Horowitz. There are 122 companies where Y Combinator has invested before Andreessen Horowitz and 41 companies where SV Angel has invested before Andreessen Horowitz.
- Top Co-investors of Andreessen Horowitz: 2521 investors entered a company along with Andreessen Horowitz. These include investors like SV Angel (79 companies).
- Invested after Andreessen Horowitz: A total of 2364 investors have invested in Andreessen Horowitz's portfolio after their investments. Top Investors include Tiger Global Management (36 companies), Coatue (33 companies) and Fidelity Investments (29 companies).
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