QUANTUM CORP: BARCLAYS PLC discloses a stake of more than 5% (Schedule 13G)

Barclays PLC disclosed a stake exceeding 5% in Quantum Corp. via a Schedule 13G filing with the SEC (accession 0000312069-26-000252). The exact share count and percentage were not specified in the headline disclosure. The filing signals that Barclays has crossed the 5% beneficial ownership threshold, making it a reportable major holder in the data storage company. Under 13G rules, the stake is presumed passive unless later amended. Investors will watch for an amended filing or 13D if Barclays' intent shifts to activism, and for further detail on the size of the position.