Avant Gardner’s bankruptcy filing outlines a plan to borrow up to $45 million to help keep the business running while it goes through bankruptcy, including $20 million to address existing debts. Juergen “Billy” Bildstein, who co-founded Avant Gardner, owns 100% of the company, according to court filings.

Avant Gardner, the company behind the Brooklyn Mirage, has filed for Chapter 11 bankruptcy, after the music venue failed to open.

Avant Gardner LLC took the drastic step after it faced ongoing financial snags and failed to reopen the prized East Williamsburg open-air concert hall in time for its 2025 season.