
Hang Seng Indexes Company Limited (HSI) announced the results of its latest quarterly review on Friday, adding several well-known companies to major indices.
The battery manufacturer CATL $3750 (-0.35%) was added to the Hang Seng Index. The change will be implemented after market close on Friday, March 6, and will take effect on Monday, March 9.
CATL has been listed in Hong Kong since May 20, 2025 and has seen its share price rise by 75% since then. The market capitalization is HK$2.36 trillion (US$302 billion).
The company is the world's largest supplier of batteries for electric vehicles (EV). According to data from South Korean market research firm SNE Research, installed EV battery capacity will reach 464.7 GWh in 2025 - an increase of 35.7% compared to 342.5 GWh in the same period in 2024.
CATL maintained its global market leadership in 2025 with a market share of 39.2% and remains the only battery manufacturer with a global market share of over 30%.
