Chinese autonomous-driving specialist Momenta rang the bell on the Main Board of the Hong Kong Stock Exchange on July 8, closing its first trading session up more than 3% after a $752 million initial public offering that valued the physical-AI company at roughly $9 billion.
A 414x Oversubscribed Retail Book
The IPO priced at HK$295.60 per share under ticker 6880.HK, with the global offering covering about 22.93 million shares including the greenshoe. Investor demand was extraordinary: the Hong Kong retail tranche was oversubscribed by 414 times, and the international tranche attracted more than HK$100 billion in institutional orders. Sovereign wealth fund GIC, Fidelity International, BlackRock and Mercedes-Benz Group all subscribed as cornerstone investors, collectively taking roughly half of the offering.
Physical AI For A Million Cars On The Road
Founded in 2016 by Cao Xudong, Suzhou-based Momenta bills itself as a physical-AI company rather than a pure autonomy shop. Its stack pairs Momenta Mainline — a data-driven intelligent-driving platform — with the R7 world model launched into mass production earlier this year. The company says its system is installed on more than one million production vehicles across 100+ models, with design wins spanning 210 vehicle programs from GM, Mercedes-Benz, Toyota and BYD.
Wall Street Signals A New Physical-AI Trade
Momenta's Hong Kong debut adds another Chinese autonomy player to public markets alongside Unitree's Shanghai STAR listing and the pending SPAC merger from Agility Robotics and Churchill Capital. Sixty percent of proceeds will fund core technology R&D over the next five years, including the Mainline platform and a broader push toward autonomous delivery vans, self-driving trucks and, eventually, general-purpose robotics beyond mobility. Rivals including Waymo and Tesla are simultaneously scaling US robotaxi services, sharpening a global contest over who commercialises autonomy fastest.
Reporting based on coverage from Bloomberg, CNBC, Gasgoo Auto News and the South China Morning Post.