Reddit crowd turn fire on market maker Citadel The man behind the firm with its fingers in every Wall Street pie has attracted the ire of day traders 3 February 2021 • 6:00am Kenneth Griffin, the founder of Citadel and majority owner of Citadel Securities Credit: Bloomberg The sentiment running through the Reddit forum WallStreetBets follows a common thread. “Are we ready to attack the Citadel?” asked the title of one Reddit post. “Citadel denied my internship application, so now it’s personal,” said a Reddit user, posting a picture of their gains from buying shares in GameStop. “Citadel has its tendrils in almost anything,” claimed someone else in a Telegram channel.