Ultimate Guide to Value Investing: Sian Hong's Stock Portfolio Strategy

Who Is "Sian Hong"?

Sian Hong, whose real name is Sathaporn Ngamruengphong, embarked on his stock market investment journey with an initial capital of 100,000 Thai Baht while still a first-year student at Bangkok University. His entry into the investment world was inspired by witnessing friends achieve substantial profits during the remarkable bull market period, when the overall market index surged by over 100%.

What set Sian Hong apart from casual investors was his methodical approach to understanding market dynamics. When he inquired about his friends' investment strategies and profit-making techniques, he found their explanations lacking in substance and difficult to grasp. This realization prompted him to undertake serious self-study and research into investment principles and market analysis.

Over the course of more than two decades, Sian Hong has evolved into one of Thailand's most respected investors, earning the moniker "Genius Stock Investor." His investment philosophy centers on value investing, which focuses on identifying undervalued stocks—companies whose market price trades below their intrinsic worth. This disciplined approach has enabled him to build a multi-billion Baht investment portfolio.

Beyond his success as an investor, Sian Hong has made significant contributions to financial education in Thailand. He serves as a lecturer, speaker, and author specializing in finance and investment topics. His bestselling book, "Getting Rich with Stocks by a Genius Stock Investor," has helped countless individuals understand the principles of value investing and develop sound investment strategies.

In recent investment periods, Sian Hong has maintained significant positions in several major companies, including DITTO, SINGER, BE8, and TIPH, among others. The total value of his publicly disclosed stock portfolio has reached approximately 7 billion Thai Baht, demonstrating both his conviction in his investment thesis and his ability to identify promising opportunities in the market.

Sian Hong's Current Stock Holdings

Based on data from the Stock Exchange of Thailand, Sian Hong, or Mr. Sathaporn Ngamruengphong, maintains positions in several publicly traded companies. His investment strategy reflects a diversified approach across different sectors while maintaining significant stakes in his highest-conviction ideas.

Major Holdings Analysis

DITTO represents one of Sian Hong's largest positions. He holds the position as the 3rd largest shareholder of Ditto (Thailand) Public Company Limited with 48,656,420 shares, accounting for 9.21% of the company. The average share price stands at 31.00 Baht. This substantial stake demonstrates his confidence in the company's business model and growth prospects.

TEAMG is another significant holding where Sian Hong serves as the 2nd largest shareholder of Team Consulting Engineering and Management Public Company Limited. His position consists of 39,622,600 shares, representing 5.83% ownership. The average share price is 6.80 Baht. This investment reflects his interest in the engineering and consulting sector.

KCC shows Sian Hong's position as the 6th largest shareholder in Knight Club Capital Asset Management Public Company Limited. He holds 5,438,700 shares, comprising 0.88% of the company, with an average share price of 5.40 Baht. This smaller position suggests either a newer investment or a more speculative allocation.

MICRO represents his stake as the 6th largest shareholder in Micro Leasing Public Company Limited. His holdings include 26,757,400 shares, accounting for 2.86% ownership, with an average share price of 2.90 Baht. This investment in the leasing sector diversifies his portfolio across different financial services.

BE8 demonstrates another major conviction position where Sian Hong ranks as the 3rd largest shareholder of Beryl 8 Plus Public Company Limited. He owns 20,300,060 shares, representing 7.67% of the company, with an average share price of 42.75 Baht. The higher share price and significant stake indicate his confidence in this investment.

BVG rounds out his current major holdings as the 8th largest shareholder in Blue Venture Group Public Company Limited. His position includes 5,100,000 shares, comprising 1.13% ownership, with an average share price of 7.25 Baht.

The total value of all stocks in the current investment portfolio stands at approximately 2.789 billion Thai Baht, representing a carefully constructed portfolio of value-oriented investments across multiple sectors.

Previously Held Positions

Several stocks that were part of Sian Hong's portfolio in previous periods are no longer among his current holdings, indicating active portfolio management and reallocation of capital. These include:

SAT — shares of Somboon Advance Technology Public Company Limited, which was previously held but has since been divested.

SNNP — shares of Sri Nanavor Marketing Public Company Limited, representing a position that has been closed.

TIPH — shares of Tipco Group Holdings Public Company Limited, formerly a significant holding that has been reduced or eliminated.

TEGH — shares of Thai Eastern Group Holdings Public Company Limited, another position that is no longer part of the current portfolio.

SINGER — shares of Singer Thailand Public Company Limited, which was previously a notable holding but has been sold.

SAK — shares of Sak Siam Leasing Public Company Limited, representing another divested position.

These portfolio changes reflect Sian Hong's dynamic approach to value investing, where he continuously evaluates his holdings and makes adjustments based on changing valuations, business fundamentals, and market conditions.

Investment Philosophy and Portfolio Evolution

The significant reduction in total portfolio value compared to previous periods—from approximately 7 billion Baht to 2.789 billion Baht—raises interesting questions about Sian Hong's current investment strategy and market outlook. This substantial decrease could indicate several strategic considerations.

First, it may reflect a more cautious stance toward market valuations, with Sian Hong potentially holding higher cash positions while waiting for more attractive entry points. Value investors are known for their patience and willingness to hold cash when they perceive limited opportunities offering adequate margins of safety.

Second, the portfolio concentration has shifted, with fewer but potentially higher-conviction positions. This approach suggests a more focused investment strategy, where capital is allocated to the most promising opportunities rather than being spread across numerous holdings.

Third, the changes in holdings demonstrate active portfolio management rather than a passive buy-and-hold approach. Sian Hong appears willing to exit positions when they reach fair value or when better opportunities emerge elsewhere in the market.

Looking forward, investors and market observers will be keenly interested in tracking how Sian Hong deploys his capital in the coming periods. His investment decisions often serve as a barometer for value-oriented opportunities in the Thai stock market, and his track record suggests that any new positions will be the result of thorough analysis and conviction in the underlying business fundamentals.

The evolution of his portfolio serves as a valuable case study in value investing principles: maintaining discipline, focusing on intrinsic value, being willing to act decisively when opportunities arise, and having the courage to exit positions when the original investment thesis no longer holds or when better alternatives present themselves.

FAQ

Who is Sian Hong? What is his investment philosophy and core principles?

Sian Hong is a prominent value investor known for emphasizing long-term growth and sustainable business practices. His core philosophy centers on ethical business operations, social responsibility, and fundamental analysis for identifying undervalued opportunities with strong intrinsic value potential.

Sian Hong当前的投资组合中有哪些主要持仓？

Sian Hong's main holdings include Asian Equity C Inc USD fund，primarily investing in Asian stocks excluding Japan，with focus on emerging markets for growth opportunities.

What is the difference between value investing and other investment strategies such as growth investing and technical analysis?

Value investing focuses on undervalued assets with strong fundamentals, while growth investing targets high-growth potential companies. Technical analysis relies on price charts and patterns. Value investing emphasizes intrinsic value and long-term hold, differing fundamentally in approach and objectives.

How does Sian Hong assess a company's intrinsic value? What financial metrics are used?

Sian Hong evaluates intrinsic value using key metrics including Price-to-Earnings ratio, Price-to-Book ratio, and dividend yield. He analyzes profitability, asset value, and cash flow generation to determine fair valuation and identify undervalued investment opportunities.

How are risk management and diversification implemented in Sian Hong's investment portfolio?

Sian Hong implements risk management through strategic diversification across global assets, sectors, and geographies. The portfolio balances exposure to minimize financial risks while maintaining optimized asset allocation for long-term value creation.

How can beginners learn and apply Sian Hong's value investing strategy?

Start by studying fundamental analysis and intrinsic value concepts. Master discounted cash flow models, practice patience with long-term holdings, and analyze financial statements thoroughly. Build discipline through consistent application of core principles.

Sian Hong's investment portfolio performance over the past few years

Sian Hong's portfolio demonstrated steady performance, primarily invested in global equities and bonds. Achieved an 8% annual return in 2023. Data as of February 2026.

Is value investing still effective in the current market environment? What challenges does it face?

Value investing remains effective but faces significant challenges. Current markets are driven by policy sentiment and short-term speculation rather than fundamentals. Success requires combining value analysis with policy awareness and market timing, rather than pure long-term holding. Improved regulation and institutional capital are gradually creating a more favorable environment for value strategies.