Exclusive: Andreessen Horowitz seeks to raise $20 billion megafund amid global interest in US AI startups

SAN FRANCISCO, April 8 - Venture capital firm Andreessen Horowitz is seeking to raise about $20 billion in what will be the largest fund in its history, to capitalize on global investors' interest in backing U.S. artificial intelligence companies, sources told Reuters.

The tech investment firm, known informally as a16z, has told limited partners that the fund will be dedicated to growth-stage investments in AI companies and draw upon global investors keen on investing in American companies, the sources said. The record fundraising and the goal of capitalizing on foreign investment interest in the U.S. tech industry come against the backdrop of a sweeping tariff plan by President Donald Trump to urge companies to manufacture goods in the U.S.

To raise such a large amount of capital, a16z has been pitching it around the world. International LPs see the fund as a way to invest their money more easily into American AI companies without restrictions, one of the sources said.

Andreessen Horowitz did not reply to requests for comment.

A16z's founders, venture capitalists Marc Andreessen and Ben Horowitz, announced last year they would support Trump, breaking with their traditional support for Democratic candidates, a sentiment shared by other prominent Silicon Valley figures such as Elon Musk.

Even by the standards of a firm known for raising some of Silicon Valley's largest investment vehicles, the new fund would represent a colossal step up in scale. It would test LPs' interest in venture capital amid global economic turmoil and continue the debate over how scalable this asset class is while maintaining appealing returns.

If successfully raised, the new megafund would be surpassed only by SoftBank's (9984.T), opens new tab two Vision ...
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