Anthropic reportedly filed a confidential S-1 registration with the SEC on June 1, according to reports that emerged the same day. The filing follows the company's $65 billion Series H funding round closed on May 28. Anthropic joins SpaceX and OpenAI in a wave of major AI and space technology companies advancing toward public listings, with SpaceX having filed its public S-1 on May 20 and OpenAI filing confidentially around May 22.
Anthropic Closes $965 Billion Valuation Funding Round
Anthropic closed a $65 billion Series H funding round on May 28 at a $965 billion post-money valuation. The company's annualized revenue run-rate recently crossed $47 billion, driven by enterprise adoption of Claude models for coding and agentic workflows.
SpaceX Files Public S-1 for June 12 Listing
SpaceX filed its public S-1 on May 20 after a confidential submission in April. The company targets a June 12 Nasdaq listing under ticker SPCX. SpaceX aims for a $1.75 trillion to $1.8 trillion valuation and up to $75 billion raise.
OpenAI Targets September 2026 Public Debut
OpenAI confidentially filed around May 22 and targets a September 2026 debut at a valuation exceeding $1 trillion. The company previously achieved an $852 billion valuation in earlier funding rounds.
Anthropic Commits $1.25 Billion Monthly for SpaceX GPU Capacity
Anthropic agreed to pay SpaceX $1.25 billion per month through May 2029 for AI compute capacity. The agreement includes capacity ramping in May and June 2026 at a reduced fee. Anthropic maintains partnerships with Amazon and Google alongside this GPU commitment.
Upcoming IPO Milestones and Review Timelines
SpaceX's roadshow is imminent, with pricing potentially occurring this week. Anthropic and OpenAI will advance through SEC review toward public S-1 filings and roadshows later this year. The three companies collectively represent unprecedented access to frontier AI and space technology for public investors.
FAQ
What did Anthropic file with the SEC on June 1?
Anthropic reportedly filed a confidential S-1 registration statement with the SEC on June 1, following its $65 billion Series H funding round closed on May 28 at a $965 billion post-money valuation.
How does Anthropic's valuation compare to SpaceX and OpenAI?
Anthropic achieved a $965 billion post-money valuation on May 28. SpaceX targets a $1.75 trillion to $1.8 trillion valuation for its June 12 listing, while OpenAI targets a valuation exceeding $1 trillion for its September 2026 debut.
What is the Anthropic-SpaceX GPU agreement?
Anthropic agreed to pay SpaceX $1.25 billion per month through May 2029 for AI compute capacity, with capacity ramping in May and June 2026 at a reduced fee, as disclosed in SpaceX's public S-1 filing.
