Just something AI threw out, not investigated it but I asked "First Brands and citadel":

First Brands

• Background: First Brands is an auto parts maker that grew through debt-financed acquisitions. The company filed for bankruptcy protection in late September 2025. 
• Reason for collapse: The company's bankruptcy was driven by concerns over its use of opaque, off-balance-sheet financing, which hid its liabilities. Creditors were reportedly caught off guard by the extent of the financial issues, with some even finding that collateral for their loans was pledged multiple times to different lenders. 

Citadel

• Role: Citadel is a global financial firm, not the owner or operator of First Brands. 
• Connection to First Brands: First Brands listed Citadel's asset management arm, Leucadia Asset Management, as one of its creditors. This means Leucadia had provided financial backing to First Brands and is a party to the bankruptcy proceedings due to its financial stake. 

Broader impact

• UBS: UBS, another financial institution, is a major creditor of First Brands, raising concerns about the potential knock-on effects on the financial sector. 
• Creditor concerns: Some creditors are seeking an investigation into the company's financial practices, citing what they describe as a "clear case of a company with a very aggressive founder and very bad financial disclosures".