Forget gold rushes — the real 2026 fortune is being made in the unglamorous business of memory chips, and SK Hynix just decided Wall Street should get a piece of the action. The South Korean chipmaker is heading to Nasdaq with a listing so big it's basically the SpaceX of semiconductors.

The Second-Biggest US Debut Ever

SK Hynix is aiming to raise roughly $28 billion in a US IPO, offering 17.79 million shares on the Nasdaq according to an SEC filing made this week. That makes it the second-largest US listing on record, trailing only SpaceX's $85.7 billion debut and comfortably ahead of Saudi Aramco's $25.6 billion IPO back in 2019. Demand for the shares has already outstripped what's on offer, per terms cited by Bloomberg.

The company plans to funnel the proceeds into expanding production facilities in South Korea and buying more EUV lithography scanners — the room-sized, ultra-expensive machines that etch the world's most advanced chips, and which nobody can seem to buy fast enough these days.

Why Everyone Suddenly Cares About Memory Chips

High-bandwidth memory (HBM) has become the unsung bottleneck of the entire AI boom — you can have all the GPUs in the world, but they're useless without memory fast enough to feed them data. SK Hynix currently holds 56-58% of the global HBM market, and its revenue in that segment surged 198% year-over-year, with operating margins north of 70%, numbers that would make most tech CEOs weep with joy.

This IPO is really Wall Street's way of buying a direct ticket to the AI infrastructure boom without having to guess which chatbot wins the race. Whether or not any particular model comes out on top, someone still has to build the memory it runs on — and right now, that someone is printing money faster than the presses can keep up.

Everyone's still arguing about which AI will change the world. Meanwhile, the company selling shovels just filed the second-biggest IPO in US history.

Source: Fortune