Duan Yongping's Portfolio Reflects Strong Focus in Key Sectors
Duan Yongping's portfolio highlights a strong focus on technology and consumer cyclical sectors with notable investments in APPLE INC (AAPL), BERKSHIRE HATHAWAY INC DEL (BRK-B), and PDD HOLDINGS INC (PDD). The portfolio demonstrates significant growth in BRK-B while maintaining balanced allocations across multiple sectors.

Duan Yongping's Portfolio Reflects Strong Focus in Key Sectors
As of 2025-09-30, Duan Yongping's portfolio is characterized by a high concentration in key sectors, with significant investments in APPLE INC (AAPL), BERKSHIRE HATHAWAY INC DEL (BRK-B), and PDD HOLDINGS INC (PDD). The portfolio demonstrates a balanced approach to asset allocation, with the majority of investments concentrated in Technology, Consumer Cyclical, and Financial Services sectors.
Among the top holdings, APPLE INC (AAPL) stands out as the largest investment, comprising approximately 60.42% of the total portfolio value. This reflects a strong focus on the Technology sector, which continues to drive significant returns. BERKSHIRE HATHAWAY INC DEL (BRK-B), with a portfolio percentage allocation of 17.78%, highlights growth in the Financial Services sector.
PDD HOLDINGS INC (PDD) follows closely with a portfolio percentage allocation of 7.72%, indicating a strategic presence in the Consumer Cyclical sector. The remaining investments are distributed across Energy, Communication Services, and Technology sectors, ensuring diversification within the portfolio.
Notable changes from prior periods include a significant increase in BRK-B shares by 1.8 million units, representing a 36% growth. Conversely, AAPL saw a slight decrease of 289,500 shares, reflecting a -0.82% change in portfolio value. PDD and BABA also experienced decreases, while GOOG showed minimal changes.
Duan Yongping's investment strategy appears to be centered around sectoral diversification with a focus on high-growth areas such as Technology and Consumer Cyclical sectors. The portfolio's balanced allocation across multiple sectors suggests an effort to mitigate risk through diversification.
While the portfolio shows strong concentration in key sectors, it also demonstrates adaptability by maintaining investments in emerging areas like Energy and Communication Services. This approach aims to capitalize on market trends while safeguarding against excessive exposure to any single sector.