French startup Mirakl has raised a $300 million funding round at a $1.5 billion valuation — the company is now a unicorn. Mirakl helps you launch and manage a marketplace on your e-commerce website. Many customers also rely on Mirakl-powered marketplaces for B2B transactions. Permira Advisers is leading the round, with existing investors 83North, Bain Capital Ventures, Elaia Partners and Felix Capital also participating. “We’ve closed this round in 43 days,” co-founder and U.S.