Ken Fisher's $5.51 billion stake in Taiwan Semiconductor Manufacturing reflects confidence in the chipmaker's dominant 70% market share in advanced semiconductor production for AI.

Taiwan Semiconductor Manufacturing Company (TSM) ranks #6 among billionaire Ken Fisher's top AI stocks to buy

Fisher has invested $5.51 billion in TSM, making it a significant position in his AI-focused portfolio

TSM maintains a strong competitive moat by controlling approximately 70% of the advanced semiconductor manufacturing market

The company is positioned as a potential under-the-radar AI play due to its critical role in producing chips for AI applications