2021 (Series A): Raised $128M at $2.57 PPS, marking its entry into the AI foundation model market.
2022 (Series B): Raised $580M, with PPS increasing to $11.23 (4x+ step-up from Series A).
2023 (Series C): Raised $450M at an approximate $4.62B valuation, reflecting growing demand for frontier AI models.
2024 (Series D): Raised $4.0B, increasing valuation to approximately $17.65B (~4x growth in under a year).
2025 (Series E & F): Raised $4.5B (PPS $56.09) and later $13B at an approximate $34.70B valuation, with PPS reaching $140.97 (54x+ vs. Series A).
Since 2021: Anthropic’s indexed performance has increased approximately +6,700%, highlighting strong investor conviction in large-scale AI infrastructure.