Grammarly Inc., the software developer behind a popular writing assistant, increased its valuation to $13 billion in a new funding deal, placing it among the 10 most-valuable startups in the U.S.
The financing round raised more than $200 million from investors including Baillie Gifford & Co. and accounts managed by BlackRock Inc., Grammarly said. It puts the company at No. 10 on a ranking of U.S. startups by valuation compiled by research firm CB Insights.
