a16z Grows Its Fifth Fund to $8.5 Billion in a Week

Andreessen Horowitz closed an additional $1.75 billion into its fifth Growth fund on Aug. 31, bringing the vehicle to $8.5 billion, three days after the firm closed a separate $1.1 billion fund dedicated to AI hardware.

General Partner David George and Managing Partner Raghu Raghuram announced the expansion in a joint post, writing that "with so much opportunity in the market right now, this became the obvious thing to do for both founders and our Limited Partners." Growth Fund V had launched at $6.75 billion in January, itself part of roughly $15 billion in new capital the firm disclosed that month against $90 billion in assets under management at the time, according to the post.

Six themes, and a team that has advised Miro and Atlassian

George and Raghuram named six areas the expanded fund will target: enterprise AI adoption, consumer AI beyond chat interfaces, the industrial and defense buildout they call American Dynamism, robotics and autonomy, healthcare, which they note is 18 percent of U.S. GDP, and what they describe as a rebuilt AI-era compute stack. The post credits the Growth team's operating platform, saying staff have "spent time in-house or closely advising companies such as Lovable, Atlassian, Samsara, 1Password, Miro, PagerDuty, Segment, Workday, and others during their hypergrowth and pre-IPO years," without specifying which of those companies a16z actually holds equity in.

That distinction matters because the post leans on the Growth team's advisory track record more than on fund performance. Neither the Growth Fund V post nor the Machine Age Fund announcement it followed three days later discloses a net internal rate of return, a distributions-to-paid-in ratio or any other performance figure for the firm's existing growth-stage bets, the numbers institutional limited partners typically use to judge whether to commit more capital.

1. Growth Fund V, Jan. 2026 launch6.75 $ billion
2. Growth Fund V, Aug. 31 close8.5 $ billion
3. Machine Age Fund, Aug. 281.1 $ billion

Source: a16z.com and TechCrunch, accessed Sept. 13, 2026

Where the money competes for deals

The expansion puts more growth-stage capital in the market at the same time other large investors are doing the same. Nvidia's own equity stakes, disclosed in a recent SEC filing, put roughly $70 billion into companies across the AI buildout, much of it unnamed, according to a BofA analyst estimate. And the kind of round a16z's Growth fund is built to write is exactly the size now common at the top of the market: Cognition's $2 billion Series E this month priced the coding-agent company at a $48 billion valuation, about 53 times its revenue.

George and Raghuram frame the timing as founder-driven: "Technology has become so powerful for company-builders, and yet so unevenly diffused in the economy, killer founders who understand it will always be the premier destination for investment capital," they wrote. The post does not say how much of the new $1.75 billion is already committed to specific deals versus sitting uncalled, or when the fund's next close, if any, is expected.