Nate Anderson, the short seller who made his name with campaigns targeting billionaires Gautam Adani, Jack Dorsey and Carl Icahn, said he’s disbanding his small but renowned firm, Hindenburg Research.

Activist short seller Nathan Anderson, famous for his campaigns against Adani Group, Super Micro and Nikola, is shutting down his firm Hindenburg Research seven years after he founded it.

Nathan Anderson, whose activist short-selling firm Hindenburg Research became famous in financial circles by publishing a video of a truck rolling down a hill, is calling it quits.