Anthropic · Series D
AI safety lab building Claude — a helpful, harmless, honest AI assistant.
Amount
$3.5B
Round
Series D
Valuation
$40B
Announced
Sep 2024
Investors
Lead investor
Notes
Led by Lightspeed with participation from Salesforce, Cisco, and General Catalyst
Other Anthropic rounds
| Date | Round | Amount | |
|---|---|---|---|
| May 2026 | Series H | $65B | Details → |
| Feb 2026 | Series G | $30B | Details → |
| Sep 2025 | Series F | $13B | Details → |
| Mar 2025 | Series E | $4B | Details → |
| Nov 2024 | Series D | $4B | Details → |
| Dec 2023 | Series C | $7.3B | Details → |
| Sep 2023 | Other | $5B | Details → |
| Apr 2022 | Series B | $704M | Details → |
| May 2021 | Series A | $124M | Details → |