Elon Musk composite with Twitter and Tesla logos
Elon Musk is the CEO of both Twitter and Tesla, in addition to leading Boring Company and helping run SpaceX.
  • Tesla investors called for Elon Musk to be reined in an open letter, citing the CEO's many commitments.
  • The 17 investors want a CEO that "dedicates adequate time and attention to the company."
  • Investor Courtney Wicks told Insider that Musk's other opportunities don't allow him to "focus on Tesla."

A group of Tesla investors is calling for Elon Musk to be reined in, saying the CEO has been distracted by commitments to his other companies like Twitter.

In an open letter reviewed by Insider and addressed to chairwoman Robyn Denholm and director Ira Ehrenpreis, 17 shareholders — representing about $1.5 billion in Tesla shares — are asking the electric car maker's board to meet and find remedies by May 25.