Deng Xinyi was once considered the ultimate safe pair of hands at Lion Fund Management. When the firm’s 'rockstar' managers exited amid bribery scandals or veteran investors reached retirement, Deng was the one consistently called upon to stabilize the ship. Her reputation as a 'firefighting captain' was cemented during a blockbuster 2025, where her portfolios soared on the back of China's localized tech boom.
However, the spring of 2026 has brought a harsh reality check for the celebrated manager. Data from Wind reveals that her flagship 'Lion Advantageous Industry' fund has plummeted 21.77% year-to-date, ranking it 2,343rd out of 2,347 similar products. This catastrophic decline marks a sharp reversal for an executive who, just a year ago, was delivering returns as high as 87% for her investors.
The root of this volatility lies in a controversial strategy known as 'sector betting.' By analyzing her 2025 year-end holdings, it becomes clear that Deng did not build a diversified portfolio but rather concentrated different funds into specific, high-risk thematic silos. While one fund bet exclusively on humanoid robots and electric vehicle components, another was essentially a concentrated bet on the semiconductor supply chain.
This 'thematic' approach allowed Deng to capture massive upside when specific sectors were in favor, but it left her defenseless when market sentiment shifted in 2026. The extreme divergence in her current fund performance—ranging from slight losses to a 21% collapse—exposes the gamble inherent in her management style. For the retail investors who flocked to her after her 2025 success, the lesson is a painful one: past performance in concentrated sectors is often a poor predictor of future stability.