The Information · Bangkok Post
Thai regulator tracks mystery investor in blue-chip companies
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The Securities and Exchange Commission (SEC) says it is investigating filing documentation for share purchases in six Thai companies since 2021 by a mystery investor who last week reported acquiring a 7% stake worth 32 billion baht in True Corporation.
Key facts
- The Securities and Exchange Commission (SEC) says it is investigating filing documentation for share purchases in six Thai companies since 2021 by a mystery investor who last week reported acquiring a 7% stake worth 32 billion baht in
- The regulator said the purchases of shares in the companies listed on the Stock Exchange of Thailand were made between 2021 and 2025 by an investor it named as Supaporn Pimphong.
- Ms Supaporn’s stake in True has since dropped to 3.69%, which makes her the telecom company’s sixth-largest shareholder, according to LSEG data.
- Under Thai law, investors holding 5% or more of a company’s shares must officially report their holdings.
- The filings claimed holdings of 9.99% in Major Cineplex Group (MAJOR), 7.09% in True Corporation (TRUE), 5.1% in Kasikornbank (KBANK), 5.01% in Bangkok Bank (BBL), 5.33% in Asia Aviation (AAV), and two separate filings for GJ Steel (GJS)
Summary
The regulator said the purchases of shares in the companies listed on the Stock Exchange of Thailand were made between 2021 and 2025 by an investor it named as Supaporn Pimphong.
Ms Supaporn’s stake in True has since dropped to 3.69%, which makes her the telecom company’s sixth-largest shareholder, according to LSEG data.