10 Best Small Cap Tech Stocks With Biggest Upside Potential

6. ACM Research Inc. (NASDAQ:ACMR)

Number of Hedge Fund Holders: 32

Market Capitalization as of June 20: $1.56 billion

Average Upside Potential as of June 20: 46.19%

ACM Research Inc. (NASDAQ:ACMR) is one of the best small cap tech stocks with biggest upside potential. On June 10, ACM Research announced the availability of the English version of its 2024 Environmental, Social, and Governance/ESG report. The report was prepared by its principal operating subsidiary called ACM Research (Shanghai) Inc. The English version is accessible on ACM’s website under the ESG Reports section, while the original Chinese version was published in February 2025.

In 2024, ACM recorded key ESG metrics to establish a baseline for future greenhouse gas/GHG emissions targets and set a company target to achieve a 75% pure water purification rate by 2030. Under circular economy initiatives, the company recycled 2,800 kg of plastic crates and 1,200 kg of wooden crates in 2024. Additionally, an ESG risk screening system for suppliers is currently under development, with a planned launch in 2025. ACM also maintained its ISO 14001 and ISO 9001 certifications across key facilities.

The report also emphasized the environmental and cost benefits of ACM’s innovative tools, such as the Ultra C Tahoe hybrid cleaning tool that offers enhanced cleaning performance with up to a 75% reduction in chemical consumption. Similarly, ACM’s Frame Wafer cleaning tool is used in the post-debonding cleaning process and features an innovative solvent recovery system that achieves ~100% solvent recovery and filtration efficiency.

ACM Research Inc. (NASDAQ:ACMR) develops, manufactures, and sells capital equipment worldwide.