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Grammarly Is Now the 10th Most Valuable U.S. Startup

  • Grammarly is valued at $13 billion after new funding
  • $200 million came from Baillie Gifford, BlackRock, others
A student works on a laptop computer.
Photographer: Daniel Acker/Bloomberg

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.