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.

Shares of Super Micro Computer slid Friday as the server maker quickly approaches a delisting deadline. The stock was down 0.5% to $17.92 on Friday, trading lower for its sixth day in a row, according to Dow Jones Market Data.