- Series D RoundUSD 3.4B — Amount: EUR 3B; approx. USD 3.44B (company database basis; approx. RMB 23.4B); post-money valuation: EUR 21B+; led by Samsung Electronics + Scaleup Europe Fund (managed by EQT) + PSG Equity jointly leading | Largest single equity financing in European tech history, valuation rose from EUR 11.7B to EUR 21B+ within 12 months (approx. 1.8x), making the company the second-highest valued private tech company in Europe (second only to London-based Revolut). Samsung Electronics and Scaleup Europe Fund (EUR 5B scale, EU-supported) were both first-time investors; BlackRock, Advent, and the Grand Duchy of Luxembourg were new entrants. Funds used for self-built data centers—targeting 200 MW deployment in Europe by end of 2027...
- Debt FinancingUSD 830M — Amount: USD 830M; Led by Syndicate of seven banks | ⚠️ Debt financing, not included in cumulative equity fundraising. Specifically used to build data center in Bruyères-le-Châtel near Paris, equipped with 13,800 NVIDIA GPUs, a key landing point for Europe's AI infrastructure sovereignty strategy. | Source: Crunchbase · Securities Times
- Series C RoundUSD 1.9B — Amount: €1.7B; approx. USD 1.95B (per Company Library); post-money valuation: €11.7B; led by ASML (contributing €1.3B). Valuation doubled from €5.8B to €11.7B. ASML alone contributed €1.3B (76% of the round), becoming the largest shareholder with approx. 11% stake—the lithography giant betting on a model company, with industrial logic rooted in Mistral's open weights being usable for its lithography process optimization algorithms (semiconductor export control data must run on infrastructure within the Netherlands). PSG Equity participated in this round (per Company Library) and upgraded to co-lead in Series D. Source: Securities Times · Sina Finance · Company Library
- Series B extensionUSD 5M — Amount: Approx. USD 5.36M; Led by: Samsung SDS | Second investment by Samsung group (first was Samsung Corp in June 2024 Series B), laying groundwork for Series D led by Samsung Electronics. | Source: Crunchbase
- Debt FinancingUSD 130M — Amount: EUR 132M (~USD 142M); Led by: Undisclosed | ⚠️ Debt financing, not counted in cumulative equity raised. Concurrent with Series B, constituting the debt portion of the 'EUR 600M total round'. | Source: Crunchbase
- Series B RoundUSD 500M — Amount scope: €468M (equity portion; total including debt rounds €600M); ~USD 503M; Post-money valuation: €5.8B; Led by: General Catalyst | Valuation rose from €2B to €5.8B (~2.9x). NVIDIA and Samsung entered as investors starting this round, marking chip supply chain capital entry; Bpifrance (French state investment bank) continued to increase stakes. ⚠️ EUR/USD valuation discrepancy: Some media cite USD 6B (USD basis), this page uses original EUR value €5.8B. | Source: Crunchbase · genztech
- Series A ExtensionUSD 16M — Amount: EUR 15M; Approx. USD 16.3M; Led by Microsoft. Accompanying strategic cooperation: Mistral models launched on Azure Cloud Platform. ⚠️ Different in nature from Microsoft's 'multi-billion dollar compute procurement agreement' in July 2026—the latter is a purchase contract, not equity, and is not counted in cumulative fundraising on this page. Source: Crunchbase
- Series A RoundUSD 420M — Amount: €385M; approx. $415M; Post-money valuation: €2B; Led by Andreessen Horowitz (a16z) | Valuation exceeded €2B just 8 months after founding, making it Europe's fastest-rising AI unicorn. This marks a16z's first entry into the European LLM sector, with top US VCs and local European industrial capital appearing together for the first time. | Source: Crunchbase · Securities Times
- Seed RoundUSD 110M — Amount: EUR 105M (~USD 113M); Post-money valuation: ~EUR 240M; Led by: Lightspeed Venture Partners | The company secured EUR 105M just weeks after founding without releasing any product, setting a record for European seed funding at the time. Investors were primarily European industrial family offices and early-stage funds (Motier, Exor, Xavier Niel, Rodolphe Saadé), establishing the capital foundation for 'Europe's own artificial intelligence'. | Source: Crunchbase · Securities Times
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