03625 傅里葉
FOURSEMI
FOURSEMI
| Register Close | 2026/03/26 IPO Closing in 2 Days |
| Listing Date | 2026/03/31 |
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IPO Detail
COMPANY PROFILE
Shanghai FourSemi Semiconductor Co. is a provider of power amplifier audio chips and haptic drivers in China. The Group specializes in the design of low-power audio chips, mid/high-power audio chips and haptic drivers under a fabless model to offer a wide array of solutions for emerging application scenarios, and its portfolio of products empowers various industries, including consumer electronics and intelligent vehicles.
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Power amplifier chips have extensive applications in consumer electronics and smart home devices including smartphones, tablets, smart wearables, smart displays, and smart speakers, and in automotive systems such as automotive audio systems and displays. Its products are capable of processing in-cabin acoustic data including voice commands, infotainment system output, AVAS warning sounds, and T-BOX audio system communications but do not receive voice command inputs.
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According to the report, by revenue in 2024, the Group ranked fourth among power amplifier audio chip providers globally, third among power amplifier audio chip providers in China, and fifth among haptic driver providers in China.
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In 2024, the Group delivered more than 400 million units of power amplifier audio chips in China, and more than 450 million units of power amplifier audio chips globally. Its customers include distributors and direct sales customers, including manufacturers for mobile phones, tablets, wearables, televisions, automotive electronics and vehicles.
BASIC INFORMATION
| Market | Hong Kong (Main Board) |
| Business Nature | Semiconductors |
| Major Business Area | China |
| Board Lot | 100 |
GLOBAL OFFERING
| No. of Offer Shares | 12.00M H shares |
| No. of International Offer Shares | 11.40M H shares |
| No. of HK Offer Shares | 0.60M H shares |
| Offer Price | $40.00 - $50.00 |
| Stock Code | 3625 |
| Sponsor(s) | Guotai Junan Capital Limited, Orient Capital (Hong Kong) Limited |
| Underwriter(s) | Guotai Junan Securities (Hong Kong) Limited, Orient Securities (Hong Kong) Limited, CCB International Capital Limited, ABCI Securities Company Limited, Futu Securities International (Hong Kong) Limited, Yellow River Securities Limited, Shenwan Hongyuan Securities (H.K.) Limited, Livermore Holdings Limited, Huafu International Securities Limited, Yuen Meta (International) Securities Limited, Zheshang International Financial Holdings Co., Limited |
TIME TABLE
| Application Period | Mar 23 (Mon) - noon, Mar 26 (Thu) |
| Price Determination Date | Mar 27 (Fri) |
| Result Announcement Date | On or before Mar 30 (Mon) |
| Result Announcement Date | On or before Mar 30 (Mon) |
| Result Announcement Date | On or before Mar 31 (Tue) |
| Dealings in Shares commence on | Mar 31, 2026. (Tue) |
Reallocation of Shares Offered
Sales Statistics (HKD)
| Offer Price | $40.00 - $50.00 |
| Capitalization | 4.48B - 5.60B |
| NAV / share ($) | $5.46 - $6.49 (Unaudited pro forma adj NAV / share) |
Use Of Proceeds
| Assuming the offer price being at HKD 45.0, the net proceeds raised would be HKD 480.30M, of which |
| 46.8% : Establishing a new research and development center to enhance R&D capabilities and technological competitiveness for power amplifier audio chips |
| 17.8% : Procurement of automatic testing equipment and for construction of an in-house automatic testing verification line |
| 17.3% : Pursue strategic acquisitions and partnerships |
| 8.1% : Marketing and sales of products |
| 10% : W Working capital |
Related Document
| Prospectus |  Chinese Version | English Version |
| Remark： | The above information is referenced from the prospectus. |
| All data is calculated from the non- exercise rights(if applicable). |
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*Admission fees include brokerage of 1%, SFC transaction levy of 0.0027%, Stock Exchange trading fee of 0.005% and FRC transaction levy of 0.00015% (i.e. 1.0077% in total).