a16z contributed .6 million to Fairshake crypto PAC in December 2025, five weeks before a key Senate crypto regulation markup.Source: Event: FEC links crypto donations to markup timing

What political causes does Andreessen Horowitz fund?

A16z backs Leading the Future, an anti-AI-regulation super PAC with $100m+ committed to the 2026 midterms, and contributed $4.6m to Fairshake, the dominant crypto PAC, in December 2025.Source: FEC filings / Lowdown

Why did Andreessen Horowitz co-lead the Anduril funding round?

A16z co-led Anduril's USD 5 billion Series H at a USD 61 billion valuation in May 2026 alongside Thrive Capital. Anduril's 2025 revenue was USD 2.2 billion, doubling year-on-year. A16z gains a direct financial stake in counter-drone procurement and autonomous weapons systems.Source: Lowdown reporting

Background

Andreessen Horowitz (a16z) is one of Silicon Valley's most prominent venture capital firms, with major investment positions across AI, crypto, and enterprise software, and — since May 2026 — a defining stake in the defence-technology sector. In the 2026 midterms it has emerged as a significant political actor, contributing to Fairshake (the dominant crypto super PAC) and backing Leading the Future, the AI super PAC opposing federal AI regulation that has committed over $100 million to the cycle alongside Greg Brockman and Joe Lonsdale.

In the defence-technology cycle, Andreessen Horowitz co-led Anduril's USD 5 billion Series H round in May 2026 alongside Thrive Capital, at a USD 61 billion valuation, against 2025 revenue of USD 2.2 billion (doubling year-on-year). A16z's Anduril stake gives it a direct financial interest in counter-drone procurement decisions, the US Golden Dome architecture, and the legislative environment governing autonomous weapons systems — all areas where its political spending simultaneously attempts to shape outcomes.

The firm's political posture reflects its portfolio interests: substantial stakes in both crypto and AI companies that would be affected by the legislation its PAC spending tries to shape. A16z backs the anti-regulatory wing of the AI industry's electoral strategy, in direct competition with Anthropic-backed Public First Action, which favours federal AI oversight. The gap between the two camps is not merely tactical: it reflects a genuine disagreement over whether the AI companies most likely to benefit from permissive policy are the ones best positioned to self-regulate responsibly.