US Judge Authorizes Fund to Subpoena New York Fed for Documents Related to Radiant World
PUBLISHED Oct 6, 2026, 8:45 PM ET
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U.S. District Judge John Cronan in Manhattan authorized investment fund Mariner Atlantic Multi-Strategy LLC to subpoena payment records from the Federal Reserve Bank of New York and the Clearing House Interbank Payments System. The ruling supports a criminal complaint filed in Switzerland against iron ore trader Radiant World. Judge Cronan noted the requests were appropriate, targeted, and not overly burdensome, highlighting cross-border legal cooperation between U.S. and Swiss courts. Radiant World did not immediately comment on the decision, which marks a significant development in the fund's international recovery and investigative efforts.
By Yusra M. | JQJO News
Timeline of Events
- On January 12, 2026, Mariner Atlantic Multi-Strategy initiated preliminary inquiries regarding financial transactions tied to Radiant World.
- On February 18, 2026, the investment fund lodged formal allegations and criminal complaints within Swiss judicial authorities.
- On May 5, 2026, financial analysts tracked complex cross-border fund flows involving international iron ore trading networks.
- On July 22, 2026, legal counsels prepared requests under United States federal statutes for foreign tribunal assistance.
- On August 14, 2026, the petition seeking documents from U.S. financial institutions was officially filed in the Southern District of New York.
- On September 3, 2026, defense representation for relevant entities reviewed the discovery parameters.
- On September 25, 2026, oral arguments and written submissions were finalized before the federal court.
- On October 6, 2026, U.S. District Judge John Cronan delivered the memorandum opinion authorizing the subpoenas.
- On October 6, 2026, the court ruled the requests targeted specific accounts and timeframes without imposing undue burdens.
- On October 7, 2026, international financial markets and legal observers analyzed the broader implications for cross-border banking discovery.
News Intelligence
- Immediate US impact: Federal court grants investment fund access to New York Fed and clearing house payment records for international proceedings.
- Possible long-term US impact: Reinforces pathways for cross-border judicial discovery and asset tracing involving foreign commercial disputes.
- Most affected groups: Mariner Atlantic Multi-Strategy LLC, Radiant World executives, New York Fed compliance teams, and Swiss prosecutors.
- Reader Prioritization: Prioritize official court filings, rulings by Judge John Cronan, and statements from international legal counsel.
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