OpenAI, Anthropic, and SpaceX head toward IPOs with almost no emissions data on the table

Three of the most valuable private companies on the planet are preparing to sell shares to the public. Between them, OpenAI, Anthropic, and SpaceX carry a combined valuation projected in the trillions. And the amount of audited environmental data they’ve collectively disclosed could fit on a Post-it note, with room to spare. A Bloomberg report published on August 12 highlights just how little these companies have revealed about their greenhouse gas emissions, even as they march toward initial public offerings. Going public, staying quiet SpaceX publicly filed its S-1 IPO prospectus back in May 2026. OpenAI and Anthropic followed with confidential filings in June. None of the three have published audited corporate sustainability reports. None have disclosed full Scope 1, 2, and 3 emissions data, the standard framework companies use to account for direct emissions, energy-related emissions, and the broader supply chain footprint. For context, Scope 1 covers what a company directly emits from its own operations. Scope 2 tracks emissions from the electricity and energy it purchases. Scope 3 is the big one: everything else in the value chain, from suppliers to end-user activity. Compare...