Senate Democrat Probes Cantor Fitzgerald’s Ties to Tether
US investment bank Cantor Fitzgerald is under investigation by Senator Richard Blumenthal, a leading Democrat, over its partnership with stablecoin issuer Tether. The senator demands detailed records revealing how Cantor monitors Tether’s compliance with banking and sanctions laws, and requests disclosure of income earned by Commerce Secretary Howard Lutnick’s family from the arrangement. The probe emerges amid allegations that Tether’s USDT has facilitated illicit finance activities linked to Iran’s shadow banking network.
Background and Reasons for the Inquiry
Senator Richard Blumenthal, ranking Democrat on the Senate Permanent Subcommittee on Investigations, sent a formal letter demanding that Cantor Fitzgerald chairman Brandon Lutnick clarify how the firm monitors Tether’s adherence to banking and sanctions laws. The senator emphasized concerns that Cantor’s profitable dealings with Tether pose risks to US national security.
Financial Stakes and Family Connections
Cantor Fitzgerald secured rights to a 5% equity stake in Tether in 2024 and currently holds custody over tens of billions of dollars in Tether’s US Treasury bill reserves. According to Blumenthal, Cantor’s stake surged in estimated value from $600 million to $10 billion since former President Trump resumed office, and Commerce Secretary Howard Lutnick earned upwards of $250 million during this period, including a $192 million distribution from Cantor. Howard Lutnick resigned as Cantor’s chairman and CEO following his confirmation as commerce secretary in February 2025, with his sons Brandon and another son appointed chairman and vice chairman respectively.
Specific Requests from the Senate
Blumenthal’s letter asks for detailed information on the terms of Howard Lutnick’s divestiture from Cantor, as well as any loans or financing Tether provided to facilitate the transfer of ownership to his children. The senator inquires whether Cantor requires independent audits of Tether, has ever considered ending the partnership, and what steps have been taken to investigate allegations of illicit finance and sanctions evasion. Responses are requested by October 23, 2025.
Context and Industry Response
This investigation follows a recent Senate subcommittee report accusing Tether’s USDT of being utilized by Iran’s shadow banking system. Tether has stated that it has cooperated with law enforcement authorities for years and has frozen nearly $550 million in USDT connected to Iran this year. Cantor Fitzgerald and Tether did not immediately respond to requests for comment.
Why it matters
The Senate investigation led by Senator Blumenthal into Cantor Fitzgerald’s affiliations with Tether sheds light on the broader risks posed by major financial institutions’ involvement in the crypto sector, particularly with stablecoins potentially facilitating sanctions evasion and illicit finance. It underscores the critical importance of transparency and regulatory oversight in relationships between investment banks, government officials, and digital asset issuers. Additionally, the probe highlights potential conflicts of interest arising from intertwined family and business ties affecting US national security and sanction enforcement policies.
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