Shanghai's $10 Billion Unicorn Is About to Go Public
Shanghai-based automotive-grade millimeter-wave radar chip unicorn Calterah Microelectronics Technology (Shanghai) Co., Ltd. has filed for an IPO on Shanghai's STAR Market, aiming to raise 3.49 billion yuan.
Founded in 2014 by Chen Jiashu, a UC Berkeley PhD graduate, and his professor Ali Niknejad, Calterah pioneered CMOS technology for 77GHz radar chips, breaking the decades-long monopoly of international giants like Texas Instruments. Its low-cost, highly integrated solutions enabled millimeter-wave radar to move from luxury to mass-market vehicles. By 2025, Calterah captured a 31.1% share in China's automotive millimeter-wave radar chip market (second domestically, fourth globally), with cumulative shipments exceeding 30 million units. Its client list includes BYD, Geely, Nio, and Volvo.
The company has undergone 11 funding rounds, attracting high-profile investors such as the National Integrated Circuit Industry Investment Fund Phase II, China Capital Management, and GD Capital. Its valuation has reached tens of billions of yuan, with a projected post-IPO valuation of approximately 14 billion yuan.
Despite rapid revenue growth—increasing from 206 million yuan in 2023 to 632 million yuan in 2025 with a 75.28% CAGR—Calterah remains unprofitable. It reported net losses of 323 million yuan, 334 million yuan, and 193 million yuan from 2023 to 2025, accumulating over 900 million yuan in losses over three and a half years. These losses are primarily attributed to heavy R&D investment, which totaled over 1.039 billion yuan in the reporting period, often exceeding annual revenue.
The company faces significant risks, including high customer concentration (its top five customers accounted for over 99% of revenue from 2023-2025, with BYD alone representing over 50% in 2025) and supply chain concentration. Revenue pressure from key customers and dependencies on overseas suppliers for EDA tools and IP pose challenges to sustainable growth. The IPO is seen as crucial for securing capital to expand production, diversify its customer base, and reduce supply chain dependencies.
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