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 May 2026, Andreessen Horowitz is an active investor, having invested in 1254 companies, with 119 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 $***** Seed round of Stilta Overall, Andreessen Horowitz portfolio has seen 129 unicorns, 37 IPOs and 256 acquisitions including key companies like Slack, Affirm and Lyft. 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 433 people including 246 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed, Series A & 14 more
Portfolio IPOs
Portfolio Unicorns
Andreessen Horowitz's List of Top Investments
Andreessen Horowitz has a portfolio of 1,254 companies, including 129 unicorns. Their most notable investments are in Testcode and Snackpass.Their portfolio spans across United States, Canada, United Kingdom and 40 more locations. They have invested in Enterprise Applications, High Tech, Blockchain Technology 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. Slack
Provider of cloud-based team communication and collaboration platform. The platform organizes conversations into searchable channels and direct messages, supports voice and video calls, file sharing, and threaded discussions. It integrates with a broad range of third-party applications and automates workflows through bots and scripting tools. The system enables users to create workspaces for topic- or project-specific communication and provides enterprise-grade security, access controls, and administrative tools. It also incorporates AI-powered search, message summarization, and automation agents to enhance productivity and streamline team coordination.
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: 2,607 as on Apr 30, 2026
- Investors: Glynn Capital, ADS Ventures and 69 Others
- Latest Funding Round: Post IPO, Apr 16, 2020, $*****
- Highlight: Acquired
2. OpenAI
Developer of artificial intelligence models tools and research-driven platforms. The company conducts AI research and deploys large-scale models for language, vision, audio and multimodal tasks, with the goal of creating artificial general intelligence that benefits humanity. Its portfolio includes generative models such as the GPT series for text, multimodal interaction systems, and other APIs and applications that developers and enterprises integrate into products, workflows and services.
Key facts about OpenAI
- Founded Year: 2015
- Location: San Francisco (United States)
- Valuation: $*****
- Stage: Series G
- Total Funding till date: $180B
- Employee Count: 8,821 as on Apr 30, 2026
- Investors: Glynn Capital, Fidelity Investments and 70 Others
- Latest Funding Round: Series G, Apr 22, 2026, $*****
- Highlight: Editors' Pick
3. Affirm
Provider of point of sale financing solutions for consumers and merchants. It facilitates payment plans with transparent terms and no hidden fees. The company provides options for consumers to pay over time at various retailers. It offers a mobile application and browser extension to manage payments.
Key facts about Affirm
- Founded Year: 2012
- Location: San Francisco (United States)
- Annual Revenue: $3.22B as on Jun 30, 2025
- Stage: Public
- Total Funding till date: $1.22B
- Employee Count: 3,106 as on Apr 30, 2026
- Investors: HTIF, Fidelity Investments and 40 Others
- Latest Funding Round: Series G, Sep 17, 2020, $*****
- Highlight: Public
4. 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, Kaplan Group Investments and 161 Others
- Latest Funding Round: Series I, Aug 06, 2018, $*****
- Highlight: Public
5. Airbnb
Provider of accommodations, experiences, and related services through an online platform. The platform facilitates connections between hosts and individuals seeking lodging and activities. It offers a variety of options for stays and curated experiences. The platform also provides resources for individuals interested in becoming hosts.
Key facts about Airbnb
- Founded Year: 2008
- Location: San Francisco (United States)
- Annual Revenue: $12.2B as on Dec 31, 2025
- Stage: Public
- Total Funding till date: $3.07B
- Employee Count: 69,846 as on Mar 31, 2026
- Investors: TrueBridge, Fidelity Investments and 157 Others
- Latest Funding Round: Series E, Apr 06, 2020, $*****
- Highlight: Public
Andreessen Horowitz's Year-on-Year Investment Trends
Andreessen Horowitz has invested in 1255 companies over the last 17 years, with an average of 81 new investments annually in the last 10 years. In 2025, it made 198 investments, while as of May 2026, it has made 78 investments in this year. Its most recent first time investment was in Stilta and most recent follow-on round was in Mind.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 52 | 26 | 78 |
2025 | 105 | 93 | 198 |
2024 | 107 | 65 | 172 |
2023 | 94 | 55 | 149 |
2022 | 137 | 84 | 221 |
2021 | 133 | 114 | 247 |
2020 | 51 | 46 | 97 |
2019 | 43 | 45 | 88 |
2018 | 42 | 48 | 90 |
2017 | 30 | 28 | 58 |
Andreessen Horowitz's Investments by Stage
Andreessen Horowitz has made 506 investments in Seed stage with an average round size of $16.8M, 390 investments in Series A stage with an average round size of $26M and 136 investments in Series B stage with an average round size of $120M.Stage of entry | No. of Investments |
|---|---|
Seed | 506 |
Series A | 390 |
Series B | 136 |
Series C | 43 |
Series D | 28 |
Others | 28 |
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 1115 Tech companies, 794 Enterprise (B2B) companies, 726 Software companies and at least 482 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
Enterprise Applications | 547 |
High Tech | 312 |
Consumer | 242 |
FinTech | 225 |
Enterprise Infrastructure | 157 |
Others | 1273 |
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 (960), followed by United Kingdom where it has made 21 investments.Country | No. of Investments |
|---|---|
United States | 960 |
United Kingdom | 21 |
Canada | 20 |
Brazil | 9 |
Germany | 9 |
Others | 98 |
Note: We have considered here, only first round of investments
Andreessen Horowitz's recent investments
Andreessen Horowitz has made 78 investments in 2026 so far. Stilta and Stitch 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 |
|---|---|---|---|---|---|
May 19, 2026 | Sweden | Seed | 1788 | ||
May 14, 2026 | Saudi Arabia | Series A | 4579 | [+3] | |
May 13, 2026 | United States | Series A | 4772 | [+10] | |
May 13, 2026 | United States | Series H | 7529 | ||
May 11, 2026 | Canada | Seed | 7281 | [+2] |
Unicorns in Andreessen Horowitz's Portfolio
Andreessen Horowitz has 129 unicorns in its portfolio - Star Cloud, Mind, Nexthop AI and others. The most recent unicorn in their portfolio is Star Cloud. 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 | Provider of data center solutions for space | 2024 | Redmond | Series A | pslpkza | ||
51 | Developer of robotic platform designed for industrial deployment and manufacturing tasks | 2025 | Palo Alto | Series A | rhhaolv | ||
58 | AI infrastructure for cloud infrastructure | 2024 | Santa Clara | Series B | jiljqjt | ||
65 | Builder of AI‑driven autonomous factories that manufacture precision components | 2021 | Los Angeles | Series C | qrrcmsx | ||
72 | Provider of virtual medical care focused on maternal and women’s health | 2020 | New York City | Series C | gqyfbrf |
IPOs and Publicly Listed companies in Andreessen Horowitz's Portfolio
37 of Andreessen Horowitz's portfolio companies have become public. Aktis Oncology got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ), in Jan 2026 at marketcap of $945M and Navan got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ) at marketcap of $5.82B.Here are Andreessen Horowitz's portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Jan 09, 2026 | Sep 20, 2024 | Series B | 8870 | |
Oct 30, 2025 | Oct 26, 2018 | Series C | 8497 | |
Jul 31, 2025 | Apr 29, 2020 | Series D | 2022 | |
Jun 06, 2025 | Jun 19, 2014 | Series B | 4040 | |
Jan 31, 2025 | Jan 10, 2022 | Series C | 1246 |
Acquired companies in Andreessen Horowitz's Portfolio
256 companies from Andreessen Horowitz's portfolio have been acquired. The most recent acquisition was Stainless in May 2026 by Anthropic 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 |
|---|---|---|---|---|
May 18, 2026 | Dec 10, 2024 | Series A | 9075 | |
May 05, 2026 | Mar 20, 2026 | Seed | 6115 | |
Apr 02, 2026 | Apr 04, 2022 | Series A | 1676 | |
Mar 24, 2026 | Feb 24, 2021 | Series B | 2724 | |
Mar 17, 2026 | Oct 18, 2022 | Seed | 1192 |
Team profile of Andreessen Horowitz
Andreessen Horowitz has a team of 433 members including 246 Partners, 7 Venture Partners and 13 Principals located in United States, United Kingdom and 2 more locations. Andreessen Horowitz's team sits on the board of 15 companies.Here is a list of top team members in Andreessen Horowitz:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Menlo Park | - | ||
Partner | Menlo Park | |||
Partner | Palo Alto | - | ||
Partner | San Francisco | Pindrop Security, Rasa and 1 more | ||
Partner | San Francisco | - | ||
Partner | San Francisco | |||
Partner | San Francisco | - | ||
Partner | - | |||
Partner | - | - |
Co-investors of Andreessen Horowitz
Over the past 17 years, 6091 investors have co-invested in Andreessen Horowitz's portfolio companies. This includes funds and angels.
- Invested before Andreessen Horowitz: Y Combinator, SV Angel and 1380 others have invested in rounds before Andreessen Horowitz. There are 118 companies where Y Combinator has invested before Andreessen Horowitz and 40 companies where SV Angel has invested before Andreessen Horowitz.
- Top Co-investors of Andreessen Horowitz: 2428 investors entered a company along with Andreessen Horowitz. These include investors like SV Angel (77 companies).
- Invested after Andreessen Horowitz: A total of 2281 investors have invested in Andreessen Horowitz's portfolio after their investments. Top Investors include Tiger Global Management (35 companies), Coatue (32 companies) and Fidelity Investments (30 companies).
Recent News related to Andreessen Horowitz
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Mind Robotics Secures $400 Million in Funding for Industrial Robots and AI Software Developmentstartuplog.com•May 14, 2026•Mind, Rivian, Salesforce, Kleiner Perkins and 12 others
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Saudi Fintech Stitch Raises $25 Million in Series A Funding Led by Andreessen Horowitzentarabi.com•May 14, 2026•Stitch, Andreessen Horowitz, COTU Ventures, SVC and 2 others
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Anduril Raises $5 Billion In New Round; Company Valuation At $61 BillionDefense Daily•May 13, 2026•Anduril, Andreessen Horowitz, Thrive Capital
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Lyrie.ai Secures $2 Million in Pre-Seed Funding to Bolster AI Agent SecurityThe SaaS News•May 12, 2026•Andreessen Horowitz, Accel
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Cowboy raises $275 million to build rockets with orbital data center upper stagesSpaceNews•May 11, 2026•Breakthrough Energy, Construct Capital, Blossom Capital, SAIC and 8 others
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Canton Network builder near $300M raise led by a16z cryptoCoin Spectator•May 11, 2026•Digital Asset, Andreessen Horowitz, Nasdaq
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Tessera Labs Secures $60 Million in Oversubscribed Funding Round Led by Andreessen HorowitzThe SaaS News•May 07, 2026•Tesseralabs, Myriad Venture Partners, Osage University Partners, Andreessen Horowitz and 1 other
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Swedish AI Startup Pit Raises $16M Seed Funding for Custom Enterprise SoftwareStartup Rise EU•May 07, 2026•The Pit, Andreessen Horowitz, Lakestar, and 4 others
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Ethos, AI Startup, Secures $22.75M Series A Funding Led by Andreessen HorowitzStartup Rise EU•May 07, 2026•Evantic, General Catalyst, XTX Markets, Ethos and 4 others
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Kalshi Raises $1 Billion at a $22 Billion Valuation as Institutional Adoption AcceleratesBakersfield•May 07, 2026•Kalshi, Coatue, Sequoia Capital, Paradigm and 5 others
