Hundreds of tech founders penned a letter to Sequoia Capital demanding it denounce Shaun Maguire’s comments on New York City mayoral candidate Zohran Mamdani, which they considered Islamophobic.

Maguire, an avid X poster best known for his investments in SpaceX and xAI, claimed in the controversial X post that Mamdani “comes from a culture that lies about everything” and is willing to lie “if it advances his Islamist agenda.”