Muddy Waters Research

Muddy Waters Research LLC
Muddy Waters Capital LLC
Company typePrivate
IndustryInvestment management
FounderCarson Block 
HeadquartersAustin, Texas, United States
Key people
AUM$227 Million
Number of employees
7+
Websitewww.muddywatersresearch.com

Muddy Waters Research LLC is an American investment research firm known for activist short selling. It was founded in 2010 by investor Carson Block. The firm publishes due‑diligence reports on publicly traded companies and, through its affiliated investment adviser Muddy Waters Capital LLC, often takes positions consistent with its research.

It has exposed accounting problems and fraud at several companies, primarily in China but also in other countries in Asia, Europe and North America.