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OpenAI Investor Altimeter Plans to Raise More Than $3 Billion for Private Market Funds

2026-11-10 10:05

According to TechFlow, citing a Bloomberg report on November 10, prominent investment firm Altimeter Capital Management, a key investor in OpenAI and Anthropic, is raising a series of new funds for its private markets investment business. According to securities filings and people familiar with the matter, the firm plans to establish a $2.5 billion venture capital fund to invest in later-stage, pre-IPO companies. Altimeter is also discussing raising approximately $800 million to $900 million for a new venture fund that would invest in a more diverse group of younger startups.

People familiar with the matter said that Altimeter had previously participated in financings for multiple later-stage companies, including OpenAI and Anthropic, through its previous growth fund, which closed last year with $1.6 billion, and a $1.5 billion expansion fund.

Source: TechFlow