Mistral announced on September 8, 2026 that it has raised €3 billion in a Series D funding round at a post-money valuation of more than €21 billion, which the company said is the largest equity fundraising round ever completed by a European technology company, three years after its launch. Samsung Electronics led the round, joined by co-leads Scaleup Europe Fund, which is managed by EQT, and existing investor PSG Equity. Investors in the Round Advent, funds and accounts managed by BlackRock…