Mistral announced on September 8 that it has closed a €3 billion Series D round at a post-money valuation of more than €21 billion, led by Samsung Electronics. The company says it is the largest equity raise ever completed by a European tech company. CNBC's dollar conversion puts the valuation at roughly $24 billion.
The previous round landed almost exactly a year earlier. On September 9, 2025, Mistral announced a €1.7 billion Series C at a post-money valuation of €11.7 billion, led by Dutch lithography-equipment maker ASML. The size of the round grew 76% in a year, and the valuation grew 79%.
Three kinds of new shareholders
The lead investor seat went to Samsung Electronics, co-leading alongside EQT's Scaleup Europe Fund and existing shareholder PSG Equity.
Two other kinds of new shareholders also joined. One is the conventional financial-investor type: Advent, along with funds and accounts managed by BlackRock. The other is unusual — the Grand Duchy of Luxembourg invested directly, in its capacity as a sovereign state.
Nearly all existing shareholders followed on, a list that includes a16z, ASML, Belfius, BNP Paribas CIB, Bpifrance, Carmignac, DST Global, Eurazeo, General Catalyst, Headline, Hillspire, Index Ventures, Korelya Capital, Lightspeed, NVIDIA, the Solar fund under Phoenix Court, and Salesforce Ventures.
Laid out flat, Mistral's cap table no longer reads like that of a model company. ASML builds lithography machines, NVIDIA builds GPUs, and Samsung does both memory and foundry work. Three manufacturers sitting at three different tiers of the AI supply chain are now all shareholders in this French company at once.
Where the money is going
The company gives four directions: advancing frontier research, expanding training compute, scaling infrastructure and commercialization, and accelerating international expansion.
Only two verifiable operating figures were shared: the business now covers 20 countries and serves more than 125 large enterprise customers, with Airbus, ASML and HSBC named publicly. Revenue, ARR and headcount were not disclosed this time.
What "sovereign AI" actually means here
Mistral describes itself as a full-stack provider of sovereign AI — open-weight models, infrastructure, compute, and production-ready products. In practice, the pitch comes down to control: where data is stored, who owns the model weights, whose data centers the compute runs on, and who operates the systems. The customer decides, instead of being locked to a single vendor.
When European companies buy closed-source APIs from US providers, at least three of those four things are out of their own hands. What Mistral is selling is the possibility of taking them back.
Luxembourg joining the shareholder list as a sovereign entity is the first time an EU member state has backed this pitch with real money. Europe's spending on AI sovereignty has so far mostly gone through public compute centers and industrial subsidies; a government directly holding equity in a model company is still unusual.
A round a year
Mistral's funding timeline runs: founded in April 2023, Series A that December, Series B in June 2024, Series C in September 2025, Series D in September 2026. Three years, five rounds — and for the past two years, a steady pace of one round a year.
Beyond the valuation curve, the shift in who's writing the checks is more concrete. Series A and B brought in venture firms, Series C brought in equipment maker ASML, and Series D brought in end-device giant Samsung and a nation-state. The people funding Mistral are shifting from financial backers betting on a company to industrial players who need that company to exist.
Samsung's industrial logic isn't hard to trace: across memory, foundry and devices, it needs a non-US-aligned model partner, and the list of candidates for that role is already short. How much Samsung actually put in, and whether any business-cooperation terms came attached, neither side has disclosed. The one thing the public announcement confirms is that it got the lead investor seat.
Sources: Mistral's official announcement, Bloomberg, CocoLoop, CNBC. Round size, post-money valuation and investor list are verified against Mistral's official announcement; figures for the prior round follow its own announcement at the time.