John O'Brien
CEO and Portfolio Manager
LinkedIn in the list
O’Brien Investment Group – Hedge Fund Contacts
- Chicago, United States
- Founded 2017
Updated 2026-08-18
O’Brien Investment Group – Hedge Fund Contacts is a hedge fund manager in Chicago, United States. founded 2017.
Office
191 N. Wacker Drive, Suite 1025Chicago, IL 60606
United States
Website www.o-big.com
Facts
- Founded
- 2017
- Region
- North America
About
The O’Brien Investment Group (OBIG) was established by the O’Brien family of Chicago. The firm is registered with the CFTC and is also a member of the National Futures Association. The O’Brien family founded RJ O’Brien over 100 years ago and has been instrumental in the development of the futures industry. Today, the family remains committed to leadership within the industry.
Leadership
Michael Stendler
Director
LinkedIn in the list
Ethan Mou
Director of Research
LinkedIn in the list
John O'Brien
CEO and Portfolio Manager
Contacts in the list
1 email on file
Email in the list
One of 5,110 hedge funds in the downloadable list.