Hang Seng Tech Index to expand to 50 constituents, CATL included

Hang Seng Indexes Company proposed expanding the Hang Seng Tech Index from 30 to 50 constituents, adding a revenue growth group that could include CATL (宁德时代, 3750.HK) and 19 other companies.

"The revenue growth dimension does increase the index's growth characteristics, but the initial weight is low and doesn't account for industry cyclicality," analysts at Shenwan Hongyuan Securities wrote in a research note.

The new revenue growth group of 10 stocks would carry a combined weight of just 2.4 percent, compared with 9.1 percent for the 10 new market-cap additions and 88.5 percent for existing constituents, according to Hang Seng Indexes Company's calculations. The top 10 weighted stocks would see their combined share fall from 70.6 percent to 66.3 percent, while the individual stock cap remains at 8 percent.

The expansion would funnel passive ETF inflows into the 20 new names, though the impact on existing large-cap constituents would be minimal since the weighting method is unchanged. The consultation follows Hong Kong's push to strengthen its AI presence, with the Hang Seng Tech Index down 14 percent this year even as the broader Hang Seng Index held steady.

Revenue Growth Screen Adds Cyclicality Risk

The proposed revenue growth group targets companies with the fastest revenue expansion, but Shenwan Hongyuan flagged two structural concerns. Cyclical industries could be admitted at the peak of their revenue cycle, only to see growth decelerate after inclusion. And because Hong Kong-listed companies disclose earnings semi-annually, confirming "rapid revenue growth" requires two reporting periods — roughly one year — creating a lag between a company's growth inflection and its index entry.

The market-cap expansion group includes CATL, Tianshu Zhixin (天数智芯, 9903.HK), ASMPT (0522.HK), GDS Holdings (万国数据, 9698.HK), AAC Technologies (瑞声科技, 2018.HK), Biren Technology (壁仞科技, 6082.HK), UBTech Robotics (优必选, 9880.HK), Kingboard Laminates (建滔积层板, 1888.HK), Smoore International (思摩尔国际, 6969.HK) and Foxconn Interconnect (鸿腾精密, 6088.HK).

The revenue growth group comprises XtalPi Holdings (晶泰控股, 2228.HK), MicroPort MedBot (微创机器人, 2252.HK), WeRide (文远知行, 0800.HK), MetaLight (迈富时, 2556.HK), Black Sesame Technologies (黑芝麻智能, 2533.HK), DeepU Technology (滴普科技, 1384.HK), JF Wealth Holdings (九方智投, 9636.HK), Innoscience (英诺赛科, 2577.HK), Hesai Group (禾赛, 2525.HK) and Zhonghuan New Energy (中环新能源, 1735.HK).

Hong Kong's Tech Push Extends Beyond Index Changes

The index overhaul comes as Hong Kong seeks to raise technology's share of its equity benchmarks. Information technology held the third-largest weight in the Hang Seng Index at 15.6 percent as of July, trailing financials at 34 percent and consumer discretionary at 22 percent, data from Hang Seng Indexes Company showed.

Separately, MiniMax Group and Z.ai, two AI model developers, are the strongest contenders for a spot in the Hang Seng Index as the compiler looks to raise its technology weighting, with the outcome of the latest quarterly assessment due Friday. Investment banks including China International Capital Corporation identified the pair as the most probable additions to the 93-stock index during the rebalancing, with Zijin Gold International also emerging as a leading candidate.

The technology-focused gauge has fallen 14 percent so far this year, even as the broader Hang Seng Index held steady, largely due to its limited representation of AI hardware firms. The proposed changes would allow companies with the quickest revenue expansion to qualify, potentially drawing more Chinese technology enterprises to list in Hong Kong.

This article is for informational purposes only and does not constitute investment advice.