While the fate of Super Micro Computer’s listing on the Nasdaq Stock Exchange hangs in the balance, a group acquired a large stake in the embattled servers maker. Three independent broker-dealers with common ownership—G1 Execution Services,

Super Micro Computer stock (NASDAQ: SMCI) fell by about 6% in Tuesday’s trading and remains down 54% over the past month amid significant corporate governance concerns and questions about the company’s financial reporting.

Super Micro Computer stock fell 4.4% Wednesday after it delayed the filing of its quarterly 10-Q form to the Securities and Exchanges Commission. It also has yet to file its 10-K annual report for the period ended June 30,