1. What Happened?

According to the ‘Report on the Status of Large-volume Holding of Stocks, etc. (General)’ disclosed on August 19, 2025, Celltrion Holdings’ stake in Celltrion increased from 29.95% to 30.25%, a 0.30%p increase. Chairman Seo Jung-jin also participated in the stock purchase, demonstrating his confidence in management and fundamentals. Various factors such as the extension of stock collateralized loans, new borrowings, and stock option exercises played a role, but the key takeaway is the increase in stake.

2. Why Does It Matter?

The increase in stake by major shareholders signifies more than just a numerical change. It sends a strong signal to the market, demonstrating management stability, confidence in fundamentals, and commitment to responsible management. Especially for a biopharmaceutical company with high growth potential like Celltrion, management’s confidence can significantly influence investors.

3. How Are Celltrion’s Fundamentals?

Positive. There are many encouraging factors, including solid growth in the biosimilar business, strengthening new drug development capabilities, and the transition to a direct sales system in the US market. A stable financial structure is also one of Celltrion’s strengths.

  • Robust biosimilar business growth
  • Enhanced new drug development capabilities
  • Expansion of direct sales in the US market
  • Stable financial structure

4. What About Market Conditions and Stock Price Outlook?

The weak Korean Won is positive for Celltrion, but high interest rates and rising government bond yields are burdens. However, considering Celltrion’s solid fundamentals, a positive outlook prevails. Nevertheless, risk management according to market changes is necessary.

5. What Should Investors Do?

If you are considering investing in Celltrion, we recommend the following action plan:

  • Monitor Fundamentals: Regularly check earnings announcements, new drug development progress, and market expansion strategies.
  • Watch Macroeconomic Indicators: Analyze and prepare for the impact of interest rate and exchange rate fluctuations.
  • Track Major Shareholder Trends: Continuously monitor management’s stake changes.