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Prime Brokerage


Institutions, investment managers, family offices and active traders can take advantage of Northern Trust Securities Inc.’s (NTSI) comprehensive brokerage services integrated with Northern Trust's custody and administration services.


NTSI’s streamlined solution integrates trade execution, clearing and settlement, securities lending/borrowing, portfolio financing, custody and safekeeping of assets and operational support.

Our solution gives clients the ability to:

  • Access multiple asset classes from a single platform.
  • Leverage established relationships and connectivity to access a vast inventory of lendable securities.
  • Gain integrated reporting and trade reconciliation to provide a holistic view of your total portfolio relationships
  • Take advantage of connectivity with multiple executing broker/dealers and multiple order entry/order management systems.
  • Use customized service to implement algorithmic trading strategies.
  • Discover timely mark-to-market valuation.

Prime services clients also can benefit from Northern Trust’s:

  • Consolidated portfolio financing among products and accounts;
  • Integrated portfolio reporting;
  • Real time asset tracking; and
  • Sophisticated risk and credit control.


Northern Trust has institutional brokerage offices in Chicago, New York, London, Sydney, and Hong Kong.

Northern Trust and its subsidiaries operate in 19 U.S. states and 20 countries throughout North America; Europe, Middle East and Africa; and Asia Pacific.


For more information about our Prime Brokerage services, speak with your Northern Trust relationship manager or contact Grant Johnsey.

<a name="grant">&nbsp;</a>Grant Johnsey

 Grant Johnsey

Head of Institutional Brokerage
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<a name="grant">&nbsp;</a>Grant Johnsey

 Grant Johnsey

Head of Institutional Brokerage

Grant Johnsey is a Senior Vice President at Northern Trust. He joined Northern Trust in 2004 as the transition strategist for North America-based clients. His responsibilities include communicating with the consultant community on the Transition Management product and working with clients to understand their goals and devise the optimal strategy to achieve them.

Prior to joining Northern Trust, Mr. Johnsey spent over five years in the institutional brokerage industry. Most recently, he served as director of portfolio trading for Capital Institutional Services. Part of the responsibilities of this position were to develop and grow their transition management business.

He received a B.S. degree from Trinity University and holds Series 7, 9, 10, 24, 55 and 63 Licenses.

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Northern Trust Corporation. Head Office: 50 South La Salle Street, Chicago, Illinois 60603 U.S.A. Incorporated with limited liability in the U.S. Products and services provided by subsidiaries of Northern Trust Corporation may vary in different markets and are offered in accordance with local regulation. For more information, read our legal and regulatory information about individual market offices.