Anthropic closes $30B Series H at near-trillion valuation — Altimeter Sequoia Dragoneer Greenoaks lead as ARR doubles from $14B February to $47B May
Anthropic closed its second $30B round of 2026 at a near-$900B valuation, led by Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital with Founders Fund and General Catalyst returning. The valuation nearly triples February's $380B post-money Series G. Annualized run-rate moved from $14B in February to $30B in April to $47B by mid-May — a near-4x revenue ramp in fifteen weeks. The raise positions Anthropic as the most valuable AI startup, briefly overtaking OpenAI by primary-market valuation.
The capital-deployment substance is the substantive piece. Two $30B rounds inside a single calendar year — Series G in February at $380B post-money, Series H in May at ~$900B — is the most aggressive capital-deployment cadence any frontier lab has executed. The lead-investor stack (Altimeter, Sequoia, Dragoneer, Greenoaks) is the public-and-late-stage-growth-fund tier that signals the company is being capitalized for either a near-term IPO or sustained private operation at multi-year scale. The $47B mid-May ARR with the implied $14B → $47B trajectory across fifteen weeks is the revenue-side evidence that the capital is supporting a real demand-driven scale-up rather than a speculative-capacity-build.
The competitive consequence is the near-trillion valuation framing. The May 28 Opus 4.8 release with its benchmark posture is the capability-side evidence that justifies the valuation. Cognition's $1B raise at $25B valuation for Devin, which runs on Anthropic infrastructure, is the downstream-customer revenue-multiplier validation. OpenAI's GPT-5.5 Instant universal-default rollout is the volume-deployment counterposition. The two frontier labs are running on parallel near-trillion-valuation trajectories with different strategic emphases — Anthropic on premium capability, OpenAI on default-everywhere reach. Google's Gemini 3.5 Flash GA on May 29 at price-aggressive $1.50/$9 per 1M tokens is the hyperscaler-native third axis.
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