R.J. O’Brien

Chicago, United States Founded: 1914 • Age: 112 yrs Acquired By StoneX
Futures brokerage services are provided by R.J. OBrien in Chicago.

About R.J. O’Brien

R.J. O’Brien is a Financial Services company based in Chicago (United States) founded in 1914, and was acquired by StoneX in April 2025. Futures brokerage services are provided by R.J. OBrien in Chicago. R.J. O’Brien has completed 1 acquisition, including Lombard Forte Securities. Its chief executive, as recorded, is Gerald Corcoran. Its website rjobrien.com draws about 101 thousand monthly visits. Its focus areas include Brokers and Dealers and Futures and Options Brokers. Its legal entity is R.J. O'Brien & Associates LLC.

Company details

R.J. OBrien was established in 1914 in Chicago, United States, as a futures broker. Operations focus on the commodities and derivatives markets, where clearing, execution, and advisory services for futures contracts are handled. The firm serves institutional and individual clients through its platform, with activities centered in the U.S. financial sector. Leadership is provided by CEO Gerald Corcoran, overseeing daily brokerage functions.

  • Headquarters Chicago, United States
  • Stage Acquired
  • Sectors
    Financial Services
  • Website category Finance · Investing
  • Email
    ••••••••
  • Phone
    •••• ••••
  • Website rjobrien.com
  • Social LinkedIn X Facebook
  • Acquired by StoneX (Apr 2025)
  • Legal Name R.J. O'brien & Associates Llc
Key Metrics

Investors in R.J. O’Brien

R.J. O’Brien has secured backing from 3 investors, including venture fund and institutional investors. Prominent investors backing the company include StoneX, TCV and Spectrum Equity.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Venture capital is invested in global technology companies by TCV.
tcv.comMenlo Park, United States
Growth equity investments and partnerships in finance and related sectors.
spectrumequity.com
Trade execution and clearing services for global assets are offered.
1924stonex.comNew York, United States
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Investor details for R.J. OBrien

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People of R.J. O’Brien

4 people are tracked at R.J. O’Brien (3 in leadership, 1 in team).

NameRoleGroup
Gerald Corcoran
CEOLeadership
Dan Staniford
Chief Sales OfficerLeadership
Gerry Corcoran
Chairman, CEOLeadership
John H. Porter
Strategic AdvisorTeam
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Complete people profiles for R.J. O’Brien

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Investments & Acquisitions by R.J. O’Brien

R.J. O’Brien has strategically engaged in corporate development activities, having acquired 1 company. Notable acquisitions include Lombard Forte Securities.

Acquisitions
Company NameDescriptionDomainLocationFoundedAcquiredAmount
Stock brokerage services are provided in the financial markets.
lombardforte.comDubai, United Arab Emirates2007Aug 2020••••
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Complete acquisition details for R.J. OBrien

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  • Acquired stakes
  • Deal sources
  • Complete history
  • Exports

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Timeline of R.J. O’Brien

4 dated milestones of R.J. O’Brien across 111 years, from founding to its latest funding, stage changes and deals.

  1. Founded R.J. O’Brien is founded.
  2. Exit Acquired by Spectrum Equity.
  3. Acquisition Acquires Lombard Forte Securities.
  4. Exit Acquired by StoneX.

Web traffic of R.J. O’Brien

The website of R.J. O’Brien (rjobrien.com) receives about 100.7K visits a month and ranks #416,737 among all websites worldwide, #4,264 in Investing.

  • Monthly visits
    100.7K

    ▲ 10.7% vs previous month

  • Unique visitors
    20.1K

    per month

  • Global rank
    #416,737

    among all websites

  • Category rank
    #4,264

    Finance · Investing

Similar websites

Websites whose visitors overlap most with R.J. O’Brien. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
rcgdirect.com
100%
View details
admis.com
admis.com
100%
#519,088–
forex-day-trading.com
forex-day-trading.com
84%
–
infinityfutures.com
infinityfutures.com
80%
–
cannontrading.com
79%
#742,441View details
••••••••••••••••.com••%•.•M#•••••–
••••••••••••••••.com••%•.•M#•••••–
••••••••••••••••.com••%•.•M#•••••–
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All 40 similar websites and full traffic analytics for R.J. O’Brien

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  • 40 similar websites
  • Audience overlap
  • Engagement analytics
  • Traffic by brand

Verified entity values are shown only after access is granted.

Top companies in Brokers and Dealers

3 companies that operate in the same segment as R.J. O’Brien (Brokers and Dealers) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Insurance brokerage and consulting services are provided to clients.
2007San Francisco, California, United States
Stock brokerage and financial advisory services are provided to investors.
1989San Diego, California, United StatesUSD 16.99 B9,000
Discount brokerage services for stock trading are provided.
1982Plantation, Florida, United States
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Frequently Asked Questions about R.J. O’Brien

R.J. O’Brien was founded in 1914.

R.J. O’Brien is headquartered in Chicago, United States. It is registered at Chicago, Illinois, United States.

Gerald Corcoran is the CEO of R.J. O’Brien, as recorded in our data.

R.J. OBrien was established in 1914 in Chicago, United States, as a futures broker. Operations focus on the commodities and derivatives markets, where clearing, execution, and advisory services for futures contracts are handled. The firm serves institutional and individual clients through its platform, with activities centered in the U.S. financial sector. Leadership is provided by CEO Gerald Corcoran, overseeing daily brokerage functions.

R.J. O’Brien has made 1 acquisition, including Lombard Forte Securities.

R.J. O’Brien has 3 investors. Key investors include StoneX, TCV, and Spectrum Equity.

R.J. O’Brien operates through R.J. O'brien & Associates Llc.

Yes. R.J. O’Brien was acquired by StoneX in April 2025.

The website of R.J. O’Brien receives about 101 thousand visits a month and ranks #416,737 among all websites worldwide.

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