Financial and Business News

London-Based Prime Broker GBM Appoints Maria Antsupova as Global Markets Operations Head

Wednesday, 21/01/2026 | 18:23 GMT by Jared Kirui
  • Antsupova previously held the same position at the London-based brokerage ITI Capital.
  • She also served as Head of London Operations and Global Head of Trade Support at Renaissance Capital.
Maria Antsupova

GBM Securities, a London-based prime brokerage firm, appointed Maria Antsupova as the Head of operations for Global Markets. Antsupova served in the same capacity at ITI Capital.

ITI describes itself as an emerging-markets-focused brokerage firm serving a broad range of clients. Its customer base includes private clients, proprietary trading firms, banks, hedge funds, institutional investors and corporates.

Experience from Renaissance Capital

She also brings nearly 9 years of experience from Renaissance Capital, where she was the Head of London Operations and Global Head of Trade Support. She joined the firm as the Head of Trade Support.

Other recent moves: CMC Markets’ Marketing Head Moves to Creative Agency After Two Decades in Finance

Additionally, her rich background includes a previous role at Alfa Capital as the Head of Global Markets Back Office in Asset Management Company and as the Chief Specialist of Operations Department.

GBM Securities is authorized and regulated by the UK Financial Conduct Authority. The firm serves institutional investors and family offices, providing brokerage and prime brokerage services across global markets.

Its activities include trade execution, clearing and settlement , portfolio optimization, risk analysis and leverage-related solutions. Using execution supported by electronic trading technology and compliance controls, the firm aims to support sophisticated investors operating in complex markets.

Recent Collaborations at GBM Securities

Recently, the firm strengthened its custody setup by working with BNY Pershing EMEA, a global provider of clearing and custody services for institutional clients. The collaboration aimed at improving how client assets are held and overseen within GBM’s prime brokerage offering.

According to the company, the new arrangement uses a Model B custody structure with a tri-party setup, where client assets are held directly with BNY Pershing EMEA rather than on GBM’s own balance sheet. The move highlighted GBM’s focus in giving institutional clients more confidence in complex markets.

GBM Securities, a London-based prime brokerage firm, appointed Maria Antsupova as the Head of operations for Global Markets. Antsupova served in the same capacity at ITI Capital.

ITI describes itself as an emerging-markets-focused brokerage firm serving a broad range of clients. Its customer base includes private clients, proprietary trading firms, banks, hedge funds, institutional investors and corporates.

Experience from Renaissance Capital

She also brings nearly 9 years of experience from Renaissance Capital, where she was the Head of London Operations and Global Head of Trade Support. She joined the firm as the Head of Trade Support.

Other recent moves: CMC Markets’ Marketing Head Moves to Creative Agency After Two Decades in Finance

Additionally, her rich background includes a previous role at Alfa Capital as the Head of Global Markets Back Office in Asset Management Company and as the Chief Specialist of Operations Department.

GBM Securities is authorized and regulated by the UK Financial Conduct Authority. The firm serves institutional investors and family offices, providing brokerage and prime brokerage services across global markets.

Its activities include trade execution, clearing and settlement , portfolio optimization, risk analysis and leverage-related solutions. Using execution supported by electronic trading technology and compliance controls, the firm aims to support sophisticated investors operating in complex markets.

Recent Collaborations at GBM Securities

Recently, the firm strengthened its custody setup by working with BNY Pershing EMEA, a global provider of clearing and custody services for institutional clients. The collaboration aimed at improving how client assets are held and overseen within GBM’s prime brokerage offering.

According to the company, the new arrangement uses a Model B custody structure with a tri-party setup, where client assets are held directly with BNY Pershing EMEA rather than on GBM’s own balance sheet. The move highlighted GBM’s focus in giving institutional clients more confidence in complex markets.

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About the Author: Jared Kirui
Jared Kirui
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Jared is an experienced financial journalist passionate about all things forex and CFDs.

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