Altimeter Capital Management, a major backer of OpenAI and ANTHROPIC, is seeking to raise just over $3bn for private-market funds, according to securities filings and people familiar with the matter. The firm plans a $2.5bn late-stage VC fund targeting late-stage, pre-IPO companies and is discussing a separate $800-900m fund aimed at a more diversified cohort of younger startups. Sources said Altimeter previously deployed into late-stage financings via a $1.6bn growth fund closed last year and a

2026-11-10

Altimeter Capital Management, a major backer of OpenAI and ANTHROPIC, is seeking to raise just over $3bn for private-market funds, according to securities filings and people familiar with the matter. The firm plans a $2.5bn late-stage VC fund targeting late-stage, pre-IPO companies and is discussing a separate $800-900m fund aimed at a more diversified cohort of younger startups. Sources said Altimeter previously deployed into late-stage financings via a $1.6bn growth fund closed last year and a $1.5bn expansion fund, including investments in OpenAI and ANTHROPIC.