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 1300 companies, with 130 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 Blockchain Technology. Most recently it participated in the $***** Series B round of Gimlet Labs Overall, Andreessen Horowitz portfolio has seen 132 unicorns, 41 IPOs and 264 acquisitions including key companies like Slack, Facebook and Robinhood. 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 300 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
Deals in last 12 months
Andreessen Horowitz's List of Top Investments
Andreessen Horowitz has a portfolio of 1,300 companies, including 132 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, Blockchain Technology and 40 other sectors, across stages such as Seed, Series A and 14 more. Here is the list of top investments by Andreessen Horowitz:
1. 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: 2,631 as on Jul 31, 2026
- Investors: ADS Ventures, Glynn Capital and 69 Others
- Latest Funding Round: Post IPO, Apr 16, 2020, $*****
- Highlight: Acquired
2. 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: 10,495 as on Jul 31, 2026
- Investors: Glynn Capital, K2 Global and 91 Others
- Latest Funding Round: Series F, Apr 22, 2026, $*****
- Highlight: Editors' Pick
3. 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: $2.27B
- Employee Count: 26,594 as on May 31, 2026
- Investors: Sprout Capital Partners, Meritech and 120 Others
- Latest Funding Round: Grant (prize money), Jan 15, 2017, $*****
- Highlight: Public
4. 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: 5,007 as on Jul 31, 2026
- Investors: HTIF, ADS Ventures and 153 Others
- Latest Funding Round: Post IPO, May 13, 2022, $*****
- 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 161 Others
- Latest Funding Round: Series I, Aug 06, 2018, $*****
- Highlight: Public
Andreessen Horowitz's Year-on-Year Investment Trends
Andreessen Horowitz has invested in 1301 companies over the last 17 years, with an average of 85 new investments annually in the last 10 years. In 2025, it made 200 investments, while as of Sep 2026, it has made 151 investments in this year. Its most recent first time investment was in Gimlet Labs and most recent follow-on round was in Thyme Care.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 94 | 57 | 151 |
2025 | 106 | 94 | 200 |
2024 | 107 | 66 | 173 |
2023 | 95 | 53 | 148 |
2022 | 138 | 84 | 222 |
2021 | 130 | 114 | 244 |
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 529 investments in Seed stage with an average round size of $16.8M, 405 investments in Series A stage with an average round size of $27M and 138 investments in Series B stage with an average round size of $122M.Stage of entry | No. of Investments |
|---|---|
Seed | 529 |
Series A | 405 |
Series B | 138 |
Series C | 48 |
Series D | 30 |
Others | 25 |
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 1163 Tech companies, 836 Enterprise (B2B) companies, 761 Software companies and at least 497 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
Enterprise Applications | 576 |
High Tech | 323 |
Consumer | 241 |
FinTech | 231 |
Enterprise Infrastructure | 167 |
Others | 1311 |
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 (998), followed by United Kingdom where it has made 20 investments.Country | No. of Investments |
|---|---|
United States | 998 |
United Kingdom | 20 |
Canada | 19 |
Brazil | 10 |
Germany | 9 |
Others | 101 |
Note: We have considered here, only first round of investments
Andreessen Horowitz's recent investments
Andreessen Horowitz has made 151 investments in 2026 so far. Gimlet Labs and Thyme Care are the latest among them.Here are the most recent investments by Andreessen Horowitz:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Sep 04, 2026 | United States | Series B | 4685 | [+1] | |
Sep 02, 2026 | United States | Series E | 6562 | [+8] | |
Sep 01, 2026 | United States | Series B | 4269 | ||
Aug 27, 2026 | United States | Seed | 3555 | [+1] | |
Aug 26, 2026 | United States | Seed | 9174 | [+5] |
Unicorns in Andreessen Horowitz's Portfolio
Andreessen Horowitz has 132 unicorns in its portfolio - Rillet, HappyRobot, Mirendil and others. The most recent unicorn in their portfolio is Rillet. It became a unicorn in 2026, 1 years after Andreessen Horowitz first invested in it.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 |
|---|---|---|---|---|---|---|---|
65 | AI-native ERP designed to automate accounting | 2021 | New York City | Series C | sscivcz | ||
59 | Developer of an AI operating system for autonomous business operations | 2023 | San Francisco | Series C | mvdzrbt | ||
44 | Developer of autonomous systems for performing automated artificial intelligence research | 2026 | San Francisco | Seed | vbobmvh | ||
63 | Provider of web search, AI search engine, and website crawler tools | 2021 | San Francisco | Series C | {cglg{i | ||
55 | Company developing vertically integrated infrastructure to power and run AI compute in orbit | 2024 | San Carlos | Series B | etpgdrf |
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 | 6779 | |
Jul 24, 2026 | Oct 06, 2020 | Series A | 5371 | |
Jul 16, 2026 | Feb 13, 2025 | Seed | 8137 | |
Jul 01, 2026 | Mar 15, 2017 | Series A | 9670 | |
Jun 12, 2026 | Jan 02, 2023 | Series J | 3105 |
Acquired companies in Andreessen Horowitz's Portfolio
264 companies from Andreessen Horowitz's portfolio have been acquired. The most recent acquisition was OpenRouter in Aug 2026 by Stripe 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 |
|---|---|---|---|---|
Aug 17, 2026 | Jun 25, 2025 | Seed | 2984 | |
Aug 04, 2026 | Feb 02, 2021 | Series A | 7925 | |
Jul 30, 2026 | Feb 18, 2019 | Series A | 2420 | |
Jul 28, 2026 | - | - | 7772 | |
Jul 09, 2026 | Jan 28, 2026 | Series A | 5323 |
Team profile of Andreessen Horowitz
Andreessen Horowitz has a team of 300 members including 224 Partners, 6 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, 6286 investors have co-invested in Andreessen Horowitz's portfolio companies. This includes funds and angels.
- Invested before Andreessen Horowitz: Y Combinator, SV Angel and 1441 others have invested in rounds before Andreessen Horowitz. There are 121 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: 2500 investors entered a company along with Andreessen Horowitz. These include investors like SV Angel (80 companies).
- Invested after Andreessen Horowitz: A total of 2343 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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