NuAxiSemiconductor trade intelligence

[News] China OSAT SJ Semiconductor Reportedly Raises RMB 5B in IPO, Largest A-Share Offering of 2026 So Far

What happened

SJ Semiconductor raised RMB 5 billion in its IPO, the largest in China's A-share market in 2026, to fund 2.5D and 3D packaging expansion. Despite holding an 85% market share in China's 2.5D sector, the company faces risks due to high customer concentration and intensifying competition.

Impact and signal

Medium impactImpact score: 65/100

Affected components and suppliers

2.5D Packaging3D PackagingChiplet Integration

SJ SemiconductorSMICJCET

IPOMarket ShareCustomer Concentration2.5D Packaging

Source and time

Source: TrendForce · 4/22/2026 · View original source

Open the NuAxi live feed →

Real-time pricing, supply signals and AI analysis for semiconductor traders

JCET opens 3D packaging plant to target AI power modules, CPO demandDigiTimes Asia · 6/6/2026
[News] SJ Semiconductor Reportedly Wins IPO Nod as China Bets on Advanced PackagingTrendForce · 2/26/2026
China 2.5D packaging demand surges, supporting Korean backend equipment growthDigiTimes Asia · 4/6/2026
Amkor eyes triple revenue growth in 2.5D and HDFO packaging for 2026DigiTimes Asia · 3/5/2026
[News] China’s A-Share Semiconductor Profit Jumps 607% YoY in 1H26; CXMT Tops Both Revenue and Profit RankingsTrendForce · 9/22/2026
SMIC posts record $3B quarter and hikes wafer prices — US sanctions hand Chinese foundry a captive AI marketTom's Hardware · 8/20/2026

[News] China OSAT SJ Semiconductor Reportedly Raises RMB 5B in IPO, Largest A-Share Offering of 2026 So Far

What happened

Impact and signal

Affected components and suppliers

Source and time

Related briefings