Bloomberg the Company & Products

Bloomberg Anywhere Login


Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world.


Financial Products

Enterprise Products


Customer Support

  • Americas

    +1 212 318 2000

  • Europe, Middle East, & Africa

    +44 20 7330 7500

  • Asia Pacific

    +65 6212 1000


Industry Products

Media Services

Follow Us

March 30, 2015 8:59 AM ET

Capital Markets

Company Overview of O'Connor & Company, L.L.C.

Company Overview

As of February 1, 2006, O'Connor & Company, LLC. was acquired by Fortis Clearing Americas LLC. O'Connor & Company, L.L.C. provides order execution, trade clearing, and brokerage services on domestic equity, futures, and options markets. It offers commercial and retail facilities management services. The company, through Summit Trading Group, provides hedge fund services; direct access systems; prime brokerage accounts; and desk space, phones, computer equipment, trading software, clearing accounts, and access to flow of information. O'Connor & Company was founded in 1959 and is headquartered in Chicago, Illinois.

175 West Jackson Boulevard

Suite 400

Chicago, IL 60604

United States

Founded in 1959





Key Executives for O'Connor & Company, L.L.C.

O'Connor & Company, L.L.C. does not have any Key Executives recorded.

Similar Private Companies By Industry

Company Name Region
JF Capital Advisors LLC United States
Hunter World Markets Inc. United States
Mergers and Acquisitions Strategies, LLC United States
Fieldstone Private Capital Group, Inc. United States
Morgan Stanley Capital Group Inc. United States

Recent Private Companies Transactions

No transactions available in the past 12 months.

Stock Quotes

Market data is delayed at least 15 minutes.

Company Lookup

Most Searched Private Companies

Company Name Geographic Region
NYC2012, Inc. United States
Lawyers Committee for Civil Rights Under Law United States
Bertelsmann AG Europe
Rush University United States
Greater Houston Partnership United States

Sponsored Financial Commentaries

Sponsored Links

Report Data Issue

To contact OConnor & Company, L.L.C., please visit --. Company data is provided by Capital IQ. Please use this form to report any data issues.

Please enter your information in the following field(s):
Update Needed*

All data changes require verification from public sources. Please include the correct value or values and a source where we can verify.

Your requested update has been submitted

Our data partners will research the update request and update the information on this page if necessary. Research and follow-up could take several weeks. If you have questions, you can contact them at