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    Home > Finance > Investment fund sues Marex over alleged use of confidential information for trading position
    Finance

    Investment fund sues Marex over alleged use of confidential information for trading position

    Published by Global Banking & Finance Review®

    Posted on August 20, 2025

    2 min read

    Last updated: January 22, 2026

    Investment fund sues Marex over alleged use of confidential information for trading position - Finance news and analysis from Global Banking & Finance Review
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    Tags:Investment Fundsfinancial managementTradingconfidential information

    Quick Summary

    An investment fund is suing Marex in London, alleging misuse of confidential information to support Marex's trading position, with damages claimed to be at least 10 million pounds.

    Table of Contents

    • Legal Action Against Marex Group
    • Details of the Lawsuit
    • Background of Ocean Freight Fund
    • Marex's Response to the Allegations

    Investment Fund Files Lawsuit Against Marex for Confidential Info Misuse

    Legal Action Against Marex Group

    LONDON (Reuters) -An investment fund has filed a lawsuit in London against commodities broker and financial group Marex, alleging it used confidential information from the fund to support its own trading position, according to a court filing.

    Details of the Lawsuit

    London-based Marex Group plc declined to comment on the legal action.

    Background of Ocean Freight Fund

    A court filing on August 7 by lawyers for Ocean Freight Trident Offshore Master Fund Limited against Marex said exact damages would be specified in the future, but would be at least 10 million pounds. 

    Marex's Response to the Allegations

    The court document said the fund, registered in the Cayman Islands, opened an account with Marex in April 2024 and deposited $30 million, adding $12 million to the account between June and November.

    Marex liquidated the fund's entire positions in November 2024, the lawsuit said, without giving details of the positions.

    "In doing so as it did, the defendant purported to exercise its powers for the improper and collateral purpose of supporting its own proprietary trading position, adopted with the benefit of information that was confidential," the court filing said.

    John Hahn is chief investment officer and president of the manager of the fund, Ocean Freight Capital Management LLC, which is based in the U.S., it added.

    LinkedIn shows Hahn is based in Los Angeles and runs Ocean Freight Exchange, an AI platform for the shipping industry.

    Hahn previously worked for commodity traders Noble Group and Louis Dreyfus Company, LinkedIn showed. Hahn did not immediately respond to a request for comment.

    (Reporting by Eric Onstad; Editing by Paul Simao)

    Key Takeaways

    • •An investment fund has filed a lawsuit against Marex.
    • •The lawsuit alleges misuse of confidential information.
    • •The case was filed in a London court.
    • •Marex allegedly used the info for its trading position.
    • •Damages are claimed to be at least 10 million pounds.

    Frequently Asked Questions about Investment fund sues Marex over alleged use of confidential information for trading position

    1What is the lawsuit against Marex about?

    An investment fund has filed a lawsuit against Marex, alleging that the broker used confidential information from the fund to support its own trading positions.

    2What damages is the investment fund seeking?

    The lawsuit states that the exact damages will be specified later but will be at least 10 million pounds.

    3When did the fund open an account with Marex?

    The fund opened an account with Marex in April 2024 and initially deposited $30 million.

    4Who is the chief investment officer of the fund?

    John Hahn is the chief investment officer and president of Ocean Freight Capital Management LLC, which manages the fund.

    5What actions did Marex take regarding the fund's positions?

    Marex liquidated the fund's entire positions in November 2024, although the lawsuit does not provide details on those positions.

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