天海防务跌2.10%，成交额13.20亿元，主力资金净流出1.29亿元

Core Viewpoint - Tianhai Defense's stock price has shown significant volatility, with a year-to-date increase of 69.23% but a recent decline in the last 20 days by 3.77% [2] Group 1: Stock Performance - As of December 30, Tianhai Defense's stock price was 7.92 yuan per share, with a trading volume of 1.32 billion yuan and a turnover rate of 9.90% [1] - The stock has increased by 2.46% over the last five trading days and by 27.95% over the last 60 days [2] Group 2: Company Overview - Tianhai Defense, established on October 29, 2001, and listed on October 30, 2009, is based in Shanghai and operates in shipbuilding, marine engineering, military-civilian integration, and clean energy [2] - The company's revenue composition includes: 92.05% from shipbuilding and marine engineering, 1.97% from design services, 1.80% from energy, 1.75% from other products, 1.18% from defense equipment, and 0.50% from ship leasing [2] Group 3: Financial Performance - For the period from January to September 2025, Tianhai Defense reported revenue of 3.148 billion yuan, a year-on-year increase of 34.50%, and a net profit of 232 million yuan, reflecting a growth of 202.12% [2] Group 4: Shareholder Information - As of September 30, 2025, the number of shareholders increased by 7.54% to 133,900, with an average of 12,301 circulating shares per person, a decrease of 7.01% [2] - Major shareholders include Hong Kong Central Clearing Limited, which increased its holdings by 11.9969 million shares, and various ETFs with varying changes in their holdings [3]