SJ Semiconductor Corporation

SJ Semiconductor Corporation

Private
JiangsuFrontier & Industrial Techhttp://www.sjsemi.com/

Last Round

Series D

12/31/2024

Total Funding Raised

$1.6B

Company Overview

SJ Semiconductor Corporation (SJSemi) is a Chinese Middle-End-Of-Line (MEOL) pure play foundry established in 2014. The company specializes in providing 12-inch wafer bumping, wafer testing, and advanced 3D multi-die integration packaging solutions. Headquartered in Jiangyin, China, with branches in Shanghai and San Jose, California, SJSemi serves a global client base of IC design houses. It was founded as a joint venture between Jiangsu Changjiang Electronics Technology Co., Ltd. (JCET) and SMIC. The company aims to be a one-stop shop for advanced packaging solutions, catering to high-growth sectors like 5G communication, high-performance computing, data centers, and automotive electronics.

Sector

Frontier & Industrial Tech

Verticals

Semiconductors, Computing Hardware, 5G Infrastructure, AI Training Infrastructure

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Non-AI

Keywords

advanced semiconductor packagingMEOLwafer bumpingwafer-level packagingOSAT3D IC packaging2.5D packagingchiplet integrationsemiconductor testingpure-play foundryoutsourced semiconductor assembly and testchip probingWLCSPantenna in packageAiPwafer level chip scale packaging

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SJ Semiconductor Corporation Comps

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CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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SJ Semiconductor Corporation Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
Series D12/31/2024
Series C Extension4/4/2023
Series C3/16/2022
Series B12/8/2015
Series A8/8/2014

SJ Semiconductor Corporation Investors

Notable investors and investment history

InvestorRounds
Oriza RivertownSeries C Extension, Series C
CCIC CapitalSeries C
CITIC SecuritiesSeries C
China Life Investment FundSeries D
Shanghai International GroupSeries D
Legend CapitalSeries C Extension
INCE CapitalSeries C Extension

SJ Semiconductor Corporation Filings

SEC and related filings with document metadata.

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SJ Semiconductor Corporation Filings

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Firmographic Details

HeadquartersJiangsu
Year Founded2014
Last Funding12/31/2024

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