ChangXin Memory Technologies' massive listing is stoking fears that its market debut could pull cash from Chinese equities, as investors raise funds to get a piece of the country's largest memory chipmaker.

The Shanghai STAR Market listing, expected on July 27, has become the latest focus for investors after Chinese technology shares pulled back in recent sessions. CXMT raised $8.6 billion in Asia's largest IPO so far this year.

Tim Sun, senior researcher at financial services firm HashKey Group, said the IPO is reinforcing worries over a liquidity squeeze because investors expect CXMT's valuation to rapidly exceed 1 trillion yuan ($139 billion) after listing.

"Once it passes 1 trillion yuan, CXMT will become a primary heavyweight in the STAR Market and semiconductor indices, forcing index funds, active funds, and sector-specific funds to reallocate toward it," Sun said.

Investors are therefore repositioning ahead of time, putting pressure on sectors that had previously led the rally, including memory chips, semiconductor equipment and domestic substitution plays.

The STAR 50 Index, which tracks the largest and most liquid companies listed on Shanghai's technology-focused STAR Market, has slid almost 20% this quarter.

Peter Alexander, founder of Z-Ben Advisors, also said preparations for the IPO are drawing money away from the secondary market. "There is no question that capital is being pulled from the market in preparation for the public listing of (CXMT) shares."

Alexander expects strong initial demand, saying the stock could see "a marked jump in the share price on the first day of trade, maybe even the second day as well," before both the shares and the broader market settle into "a new equilibrium."

Analysts, however, highlighted that the IPO is an "amplifying factor" that has exacerbated the decline, but its not the root cause.

"The primary reason for this pullback lies in crowded positioning and high leverage levels within the A-share tech sector," Sun said, adding that the correction in Korean chip stocks spilled over into global semiconductor valuations and has triggered profit-taking in China.

Benjamin Cavender, managing director at CMR Consulting, said that it was "plausible" that the deal was creating a near-term liquidity effect, particularly in the STAR Market and among semiconductor and AI stocks, given its size. But, "CXMT may be acting less as the original cause of the sell-off than as a catalyst that concentrates an existing concern."

Cavender said the phenomenon resembles the "cash call" effect seen around major IPOs, when investors rotate out of listed companies to raise cash for highly anticipated offerings. China is especially vulnerable because of its large retail investor base and lottery-style IPO allocation system, he added.

China's equity market is dominated by retail investors who account for around 90% of daily trading, according to HSBC, compared to about 25% in the U.S.

The direct liquidity impact should prove temporary, Cavender said, with cash likely returning to the market once allocations are completed and trading begins. However, a series of large IPOs could have a much longer lasting impact.

"If investors conclude that the market will need to absorb a sustained pipeline of giant semiconductor, AI, and national-champion offerings, then the impact could last longer — not because one IPO permanently removes liquidity, but because it changes the supply-demand balance for high-growth Chinese equities," Cavender said.

Counterpoint Research, meanwhile, views the IPO through a longer-term industry lens. The firm expects the capital raised to accelerate CXMT's capacity expansion and strengthen its position in the global memory market.

While the listing may temporarily reshape capital flows, it also marks the emergence of a significant new competitor in dynamic random-access memory, or DRAM, a type of semiconductor memory used to temporarily store data while computers, smartphones and AI servers are running.