SK Hynix is operating as the undisputed world leader in High Bandwidth Memory (HBM), extracting wildly lucrative, privileged revenues as the dominant supplier of the most scarce component in the global AI computing revolution. Under CEO Kwak Noh-jung, the South Korean memory giant generated exactly $65.0 billion in revenue and maintains a $108.0 billion market cap with exactly 72000 employees. The financial narrative in 2026 is entirely defined by its monopolistic HBM3E supply relationship with Nvidia; locking out Samsung from the most critical GPU memory slots, SK Hynix extracts pricing premiums and wildly compounding margins by furiously ramping HBM4 capacity at its most advanced Icheon fabs.