Duan Yongping Portfolio Concentration: Top Holdings Analysis for 2025

Duan Yongping's $17.5B portfolio as of Dec 31, 2025, is heavily concentrated in Apple, Berkshire Hathaway, and NVIDIA, with significant changes in holdings.

By AI Generated.Mar 2, 2026, 7:47 PM
Duan Yongping Portfolio Concentration: Top Holdings Analysis for 2025

Duan Yongping's investment portfolio, valued at approximately $17.5 billion as of December 31, 2025, demonstrates significant concentration in a select group of stocks. This analysis focuses on the largest holdings and notable share changes observed during the period.

The largest position in Duan's portfolio is Apple Inc. (AAPL), representing 50.3% of the total value. With over 32 million shares held, Apple remains the cornerstone of this investment strategy. The position saw a slight reduction in shares during the period, decreasing by 0.74%.

Berkshire Hathaway Inc. (BRK-B) is the second-largest holding, accounting for 20.63% of the portfolio. Duan increased his stake in BRK-B significantly, adding nearly 0.4 million shares, representing a 38.24% increase in holdings during the period.

NVIDIA Corporation (NVDA) is the third-largest position, making up 7.72% of the portfolio. This technology stock saw an extraordinary increase, with Duan adding over 6.6 million shares, resulting in an over 1,100% increase in shares and a substantial rise in its portfolio allocation.

Other significant holdings include Pinduoduo Holdings Inc. (PDD) at 7.48%, Microsoft Corp. (MSFT) at 2.38%, and Taiwan Semiconductor Manufacturing Co. Ltd. (TSM) at 2.13%. Notable changes include a significant increase in PDD shares (+34.55%) and MSFT shares (+207.66%), while the allocation to Disney (DIS) decreased slightly to 0.46%.

For a more comprehensive view of Duan Yongping's investment activities, you can explore his profile on Insiderset: Duan Yongping at Insiderset. Detailed information on each stock holding, including company profiles, can be found at: Apple Inc., Berkshire Hathaway, NVIDIA Corporation, and many others.