Jun 1, 2026 Anthropic confidentially submits draft S-1 Announced
Anthropic confidentially submitted a draft Form S-1 registration statement to the SEC for a proposed initial public offering; pricing and share count were not yet set.
Anthropic — — Anthropic May 28, 2026 Anthropic raises $65 billion Series H at $965 billion valuation
Anthropic raised $65 billion in Series H funding led by Altimeter, Dragoneer, Greenoaks, and Sequoia, at a $965 billion post-money valuation. · Series H
Anthropic $65B $965B* Anthropic May 18, 2026 Anthropic acquires Stainless
Anthropic acquired Stainless, an SDK and MCP server tooling company that had powered generation of Anthropic's official SDKs.
Anthropic — — Anthropic May 2026 Anthropic reports $47 billion run-rate revenue in May 2026
Anthropic disclosed that annualized run-rate revenue had crossed $47 billion earlier in May 2026.
Anthropic $47B — Anthropic Apr 20, 2026 Anthropic reports run-rate revenue above $30 billion
Anthropic disclosed that annualized run-rate revenue had surpassed $30 billion, up from about $9 billion at the end of 2025.
Anthropic $30B — Anthropic Apr 20, 2026 Amazon invests an additional $5 billion in Anthropic
Amazon made an additional $5 billion investment in Anthropic and said it could invest up to a further $20 billion.
Anthropic $5B — Anthropic Feb 12, 2026 Anthropic reports $14 billion run-rate revenue
Anthropic disclosed annualized run-rate revenue of $14 billion and said it had grown more than tenfold annually for each of the prior three years.
Anthropic $14B — Anthropic Feb 12, 2026 Anthropic raises $30 billion Series G at $380 billion valuation
Anthropic raised a $30 billion Series G led by GIC and Coatue, with a $380 billion post-money valuation. · Series G
Anthropic $30B $380B* Anthropic Sep 2, 2025 Anthropic raises $13 billion Series F at $183 billion valuation
Anthropic completed a $13 billion Series F led by ICONIQ at a $183 billion post-money valuation.
Anthropic $13B $183B* Anthropic Aug 31, 2025 Anthropic reports $5 billion annualized revenue run rate
Anthropic disclosed that annualized revenue had exceeded $5 billion by August 2025.
Anthropic $5B — Anthropic Mar 3, 2025 Anthropic raises $3.5 billion Series E at $61.5 billion valuation
Anthropic raised $3.5 billion led by Lightspeed Venture Partners at a $61.5 billion post-money valuation.
Anthropic $3.5B $61.5B* Anthropic Jan 22, 2025 Google makes reported additional $1 billion investment
Google reportedly made an additional $1 billion investment in Anthropic, deepening its existing investment and cloud relationship.
Anthropic $1B† — TechCrunch Nov 22, 2024 Amazon invests an additional $4 billion in Anthropic
Amazon made a new $4 billion investment in Anthropic, bringing its total investment to $8 billion and naming AWS the primary cloud and training partner.
Anthropic $4B — Anthropic Mar 27, 2024 Amazon invests additional $2.75 billion in Anthropic
Amazon invested an additional $2.75 billion, completing its initial $4 billion Anthropic investment commitment.
Anthropic $2.75B — Associated Press Jan 2024 Anthropic closes reported $750 million Series D
Anthropic reportedly closed a $750 million Series D led by Menlo Ventures at an approximately $18.4 billion post-money valuation.
Anthropic $750M† $18.4B* † Multiples Oct 27, 2023 Google commits up to $2 billion investment in Anthropic
Google agreed to invest up to $2 billion in Anthropic, including $500 million upfront and an additional $1.5 billion over time.
Anthropic $2B — Axios Sep 25, 2023 Amazon makes initial $1.25 billion Anthropic investment
Amazon made an initial $1.25 billion investment in Anthropic under its broader commitment of up to $4 billion.
Anthropic $1.25B — Anthropic Aug 15, 2023 Anthropic and SK Telecom announce partnership and $100 million investment
SK Telecom invested an additional $100 million in Anthropic and formed a partnership to build a multilingual model for telecommunications.
Anthropic $100M — Anthropic May 23, 2023 Anthropic raises $450 million Series C
Anthropic raised $450 million led by Spark Capital to scale reliable AI products and safety research.
Anthropic $450M — Anthropic Apr 29, 2022 Anthropic raises $580 million Series B
Anthropic raised $580 million to build steerable, interpretable, and robust AI systems and expand its research infrastructure.
Anthropic $580M — Anthropic May 28, 2021 Anthropic raises $124 million Series A
Anthropic raised $124 million to pursue computationally intensive research into reliable, interpretable, and steerable AI systems.
Anthropic $124M — Anthropic 
