KEY POINTS
  • Jana Partners sold all its shares of Facebook in the first quarter, according to a required quarterly filing with the U.S. Securities and Exchange Commission on Tuesday.
  • In January, Jana Partners and the California State Teachers' Retirement System (CalSTRS) sent an open letter to Apple asking the tech giant to create software that would allow parents more control of what their children can access through an iPhone.
  • The hedge fund did not immediately respond to a CNBC request for comment.
Mark Zuckerberg, chief executive officer and founder of Facebook

A hedge fund that's spoken out against iPhone addiction sold all its holdings of Facebook stock in the first quarter, while taking a new stake in Apple.

Jana Partners sold 474,000 shares of Facebook, according to a required quarterly filing with the U.S. Securities and Exchange Commission on Tuesday. The data reflect changes made at some point in the first quarter.