Hindenburg founder Nathan Anderson, who launched the firm in 2017, said he was exhausted by the “rather intense, and at times, all-encompassing” and had decided to call a halt to his campaign.

Hindenburg Research, the influential short-selling firm that rattled global markets with high-profile exposés of companies like Adani Group and Nikola Corp., announced its closure Wednesday after a seven-year run that reshaped modern activist investing.

Hindenburg Research, a US-based short seller founded by Nathan Anderson, will disband after impacting the market values of firms such as Adani Group, Nikola, Block and Clover Health. The firm faced backlash for allegations against various companies.

Hindenburg Research’s founder has decided to disband the short-selling firm whose reports erased tens of billions from the market values of companies including India’s Adani Group and Icahn Enterprises.