Ben Horowitz

Andreessen Horowitz and its co-founders, including Horowitz personally, are among the major funders of Fairshake, a pro-crypto super PAC spending tens of millions of dollars in elections to support candidates favourable to the industry. In 2026, Fairshake still has substantial funds available for the midterm elections.

State of the evidence

Documented

Attribution

Political responsibility

Horowitz and Marc Andreessen contribute, alongside a16z, $25 million to the Leading the Future super PAC network, created to support candidates favourable to rapid AI development and oppose certain state regulations considered excessively restrictive.

State of the evidence

Documented

Attribution

Political responsibility

The US Department of Justice investigates Andreessen Horowitz over partners serving on boards of companies that have become competitors. The inquiry notably concerns Ben Horowitz's board seat at Databricks while another a16z partner sits on the board of Fivetran, two companies active in overlapping data segments.

Attribution

Directly implicated

Driven publicly by its co-founders, a16z sharply increases federal lobbying expenditure: approximately $950,000 in 2023, $1.8 million in 2024 and $1.49 million during part of 2025. Subjects include cryptocurrencies, stablecoins, AI, cybersecurity and defence.

State of the evidence

Documented

a16z commits approximately $350 million to Flow, Adam Neumann's new property company, shortly after WeWork's spectacular collapse and governance controversies involving its founder. The investment, exceptionally large for a16z at the time, sparks debate over giving a second chance to an entrepreneur who had already received extensive funding.

State of the evidence

Documented

Legal status — source text

No legal proceedings

a16z moves its principal legal entity from Delaware to Nevada, maintaining that Delaware case law has become excessively hostile towards founders and company boards. The firm encourages other businesses to consider alternative jurisdictions.

State of the evidence

Documented

Legal status — source text

No legal proceedings

Attribution

Directly implicated

Ben Horowitz and Marc Andreessen announce their support for Donald Trump and donations to his election campaign, citing regulation of cryptocurrencies and AI, taxation and their 'Little Tech Agenda'. The move attracts attention because it marks a political shift by major Silicon Valley figures.

State of the evidence

Documented

Attribution

Political responsibility

Horowitz announces that he and his wife will make a 'significant' personal donation to entities supporting Kamala Harris, after publicly backing Trump in July. He cites a longstanding personal relationship with Harris while maintaining his criticism of the Biden administration's technology policies.

State of the evidence

Documented

Attribution

Political responsibility

Horowitz and his wife fund at least $7.6 million in equipment for the Las Vegas police through their foundation, including technology from Skydio, Flock Safety and Prepared, companies associated with the a16z portfolio. Emails obtained through public records requests show that Horowitz also facilitated contacts with several portfolio companies.

State of the evidence

Documented

Attribution

Directly implicated

At an event linked to the Future Investment Initiative, Horowitz praises Saudi Arabia as a 'startup country' and describes the Crown Prince as its 'founder', while a16z explores capital and development opportunities in the kingdom, notably involving Flow.

State of the evidence

Documented

Legal status — source text

No legal proceedings

Attribution

Personally implicated