ChangXin Memory Technologies surged in its Shanghai trading debut, putting it on track to become China's most valuable listed company and buoying Beijing's campaign to become a global force in semiconductors that power artificial intelligence.
Shares of the memory-chip company jumped to 48.23 yuan early Monday from their initial-public-offering price of 8.66 yuan, bringing CXMT's market capitalization to 3.225 trillion yuan, equivalent to $476.21 billion, topping the country's state-owned banks and oil majors.
CXMT is at the forefront of China's efforts to stop relying on foreign technology, a mission made more urgent by U.S. restrictions aimed at keeping Beijing from catching up on frontiers like AI.
Its success is being seen as a test of whether Beijing can produce a domestic champion to secure its tech supply chain.
So far, the signs look good.
When asked about using Chinese memory chips like CXMT's, Apple Chief Executive Tim Cook told The Wall Street Journal in an interview that "everything needs to be on the table."
However, CXMT Chairman Zhu Yiming avoided directly naming any specific customers during a recent roadshow when asked about Apple, saying the company will continue expanding globally.
The market seems confident in CXMT's ability to rival top memory firms like Samsung Electronics and SK Hynix.
The company raised $8.55 billion in China's largest initial public offering in more than 15 years.
The timing coincides with a major sector surge, with official data released Monday showing that China's electronics industry's profit jumped 96.9% in the first half, driven by skyrocketing AI computing demand.
Operating without a single controlling shareholder or de facto controller, CXMT built its foundation on backing from state funds and tech giants like Alibaba and Xiaomi, and is expanding that ecosystem by issuing shares to top-tier subscribers such as state pension funds, equipment suppliers and the founders of Alibaba and DeepSeek.
The massive buy-in reflects CXMT's strategic importance. Handling everything from chip design and fabrication to packaging and testing, the Anhui-based company is Beijing's best contender in dynamic random-access memory, or DRAM, the short-term memory chips powering mass-market consumer electronics and high-performance AI hardware.
CXMT is already the world's fourth-largest DRAM producer. But the gulf between it the top three--Samsung, Hynix, and Micron Technology--is large, and their command of the market daunting.
Research firms' data estimated that CXMT's foreign rivals control over 90% of the global market. The Chinese company's market share stands at about 8%.
Investors will be closely watching to see how well CXMT deploys its IPO cash to narrow the gap.
It has a tailwind in AI, which has spurred a shift toward producing specialized chips for processors made by the likes of Nvidia, AMD and Google, causing a severe shortage of mainstream memory.
The resulting surge in memory prices helped CXMT achieve profitability for the first time last year, and its growth has since shifted into overdrive.
For the first six months of 2026, the company expects to report revenue of $16.2 billion to $17.7 billion--far outstripping the $9.1 billion made during all of 2025. An expected net profit margin of 45% would place CXMT's financial efficiency neck and neck with its global peers'.
Although a capacity gap remains, existing production lines are near full capacity, making immediate expansion vital, Guolian Minsheng Securities analysts said.
The memory crunch also makes it more likely that global tech giants will want to use CXMT's chips, despite other countries' heavy trade restrictions around Chinese exports.
CXMT has already integrated its chips directly into the supply chains of device makers like Xiaomi and Lenovo, as well as other tech giants like ByteDance and Alibaba.
While the successful debut proves China can mass-produce advanced memory, major hurdles remain.
In the long term, CXMT's valuation hinges on expanding global market share, maintaining access to chipmaking equipment under U.S. sanctions and making headway in advanced AI memory, analysts said.
Company leadership, however, sees those challenges as a core mandate.
CXMT aims to "bridge key gaps and ensure supply chain security" with independent research and development, Zhu said during the roadshow this month.
Write to Yang Jie at jie.yang@wsj.com and Sherry Qin at sherry.qin@wsj.com
(END) Dow Jones Newswires
July 26, 2026 23:05 ET (03:05 GMT)
Copyright (c) 2026 Dow Jones & Company, Inc.
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