CXMT IPO surges 470% in Shanghai market debut

The CXMT IPO opened with a sharp jump Monday, giving retail investors a fresh public-market read on China’s biggest maker of DRAM memory chips. Shares of Changxin Technology Group rose about 470% in early trading on Shanghai’s STAR Market, according to CNBC, after the company priced one of the year’s closely watched chip listings.

The Hefei-based company raised 57.92 billion yuan, or about $8.6 billion, after setting its initial public offering price at 8.66 yuan a share, according to its IPO prospectus cited by CNBC. An initial public offering, or IPO, is when a company sells shares to public investors for the first time. CXMT shares opened at 49 yuan each.

For investors following semiconductors, the debut matters because memory is a core part of the computing supply chain. DRAM, short for dynamic random-access memory, is used to temporarily store data in devices such as phones, computers and servers so processors can access it quickly.

What is CXMT?

Changxin Technology Group, widely known as CXMT, is China’s largest DRAM producer, according to CNBC. The company was founded in 2016 by Chairman Zhu Yiming and is based in Hefei.

Based on fourth-quarter 2025 sales figures, CXMT had 7.67% of the global DRAM market in 2025, according to its IPO prospectus cited by CNBC. That still leaves it behind the industry’s dominant suppliers: Samsung Electronics, SK Hynix and Micron Technology.

How will CXMT use the IPO money?

CXMT plans to put most of the IPO proceeds toward mass production of memory wafers, according to a Google translation of details in the prospectus reported by CNBC. Memory wafers are the silicon discs used to manufacture memory chips before they are cut into individual components.

The company also plans to use proceeds for research and development projects aimed at improving its technology and competitiveness, according to the same prospectus details. For a chipmaker, R&D spending can include work on manufacturing processes, product performance and production efficiency, though CXMT’s specific project details were not expanded on in CNBC’s report.

Why are investors watching CXMT now?

CXMT’s listing follows a period of stronger reported operating performance. The company posted operating profit of 35.43 billion yuan in the first quarter, compared with an operating loss of 2.83 billion yuan in the same period a year earlier, CNBC reported, citing the company’s prospectus.

The company attributed the improvement to continued growth in global computing-power demand and capacity allocation by major manufacturers, according to CNBC’s summary of the prospectus. In plain terms, demand for computing power can lift the need for memory chips because servers, smartphones and other devices require memory to process and hold data while they run.

The debut also comes after reports earlier this month that Apple had begun testing CXMT’s DRAM chips for devices sold in China, according to CNBC. Testing does not by itself confirm a supply deal, but it has added attention to the company as investors track whether Chinese memory suppliers can win more business in consumer electronics.

The global DRAM market remains concentrated among Samsung Electronics, SK Hynix and Micron Technology, according to CNBC. CXMT’s public listing gives investors a new way to track China’s largest player in that market, while its early share-price move shows how much demand there was for the stock at the start of trading.

This story draws on original reporting from CNBC.