The Tourmaline Difference

We customize trading solutions for firms ranging from $50 million AUM who seek to outsource their trading function to $1 trillion+ AUM global asset managers who seek to supplement their existing in-house resources.

Independently Positioned as a Large Buy-Side Firm

The Street recognizes Tourmaline as a large buy-side client as we represent the flow of more than 350 institutional clients and we do not compete with any sell-side lines of business.

Tourmaline clients receive significant benefit from the firm’s collective size. This includes access to the best sell-side tools, liquidity and market intelligence needed to achieve best execution.

  • 400+

    global sell-side relationships

  • 45+

    sell-side algo suites, dark pools and ATSs

  • All Liquidity Sources

    dark pools, systematic internalizers, market makers

  • Trading Flexibility

    to provide anonymity or fund research wallets

Global Scale

Tourmaline exclusively provides supplemental and outsourced trading solutions to the institutional investment community through offices in North America, Europe and Asia-Pacific.

Through its continuous investment in technology and human capital, Tourmaline has gained the experience and scale necessary to support the most demanding buy-side trading and trade support requirements.

  • 24x6


  • 35+

    traders in the U.S., Europe and Australia

  • State-Of-The-Art

    IT infrastructure

  • Robust

    FIX capabilities

  • Full Trade Support

    clearing, settlement, TCA reporting, comprehensive CCAs, CSAs, Aggregation and Attributed Trading

  • 50+ Markets Globally


All Tourmaline employees have proven themselves as experts in their respective disciplines, whether it be trading, operations or compliance.

The result is a degree of knowledge, professionalism and relationships that delivers a level of service and overall experience nearly impossible to duplicate.

  • 15+ Years

    average trader experience

  • 20+ Years

    average CSA/CCA team member experience

  • 20+ Years

    average Operations team member experience

Fully Outsourced or Supplemental Trading Support

Learn about how we work with clients.