Samsung Stock Hits Record on Exclusive Nvidia HBM4 Deal Report

TLDR

• Samsung is reportedly winning an exclusive deal to supply HBM4 chips for the high-end tier of Nvidia’s next-generation Vera Rubin AI processors.
• Samsung is targeting a price of around $700 per HBM4 unit, roughly 30% above the previous generation.
• Bloomberg Intelligence estimates that $700 pricing would deliver a 50–60% operating profit margin for Samsung.
• Samsung shares hit a record high, climbing as much as 5.4% on the Korea Exchange after the reports broke.
• SK Hynix had previously priced its HBM4 for Nvidia in the mid-$500s range and may now look to raise prices to match Samsung.

Samsung Electronics shares surged to a record high after reports emerged that the company has likely won an exclusive deal to supply the top-end memory chips for Nvidia’s next-generation AI processors.

The stock climbed as much as 5.4% on the Korea Exchange on Thursday, when trading resumed following a three-day holiday.

The move was driven by two separate reports from South Korean outlets ChosunBiz and Chosun Ilbo, both citing industry sources.

According to ChosunBiz, Nvidia plans to split HBM4 memory suppliers for its upcoming Vera Rubin processors into two tiers — a general-purpose lineup and a high-performance lineup.

Samsung is said to be the supplier for that high-performance tier, giving it an essentially exclusive position at the top end.

The general-purpose models are expected to account for the bulk of production, but the high-end models are expected to carry much higher price margins.

Samsung’s HBM4 Pricing Power

Chosun Ilbo reported that Samsung is targeting a price of around $700 per HBM4 unit. That would represent roughly a 30% premium over the prior generation of HBM chips.

For context, SK Hynix had priced its own HBM4 chips for Nvidia in the mid-$500 range back in August.

Bloomberg Intelligence analyst Masahiro Wakasugi said a $700 price tag would imply an operating profit margin of between 50% and 60% for Samsung’s HBM4 business.

Wakasugi also noted that the pricing gap between Samsung and SK Hynix could narrow in 2026, if Samsung supplies more HBM chips to Nvidia at those higher price points.

Samsung declined to comment on the pricing reports.

Catching Up to SK Hynix

Samsung had trailed SK Hynix in the early stages of the AI memory boom. SK Hynix was faster to ramp production and secure Nvidia supply agreements, giving it a head start.

But Samsung has been closing that gap. Just last week, the company announced it had begun mass production of HBM4 chips and had shipped commercial products to customers — the first memory chip producer to do so.

HBM, or high bandwidth memory, is a critical component in advanced AI chips due to the high-speed computing and memory demands of running large generative AI models. HBM4 is the most advanced version currently available.

Nvidia unveiled its Vera Rubin chip lineup earlier this year and has said those processors are scheduled for release in the second half of 2026.

The broader backdrop has also been supportive. A global memory shortage has been lifting both Samsung and SK Hynix, helping push South Korea’s Kospi index up 34% this year — making it the world’s best-performing stock market in 2026.

Meta Platforms recently agreed to deploy millions of Nvidia AI processors over the next few years, a deal that has helped ease concerns about a slowdown in AI infrastructure spending.

Samsung shares closed up 0.05% on Friday following the initial surge earlier in the week.

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