TSMC's market share is a huge deal. In Q3 2024, TSMC led the global semiconductor foundry market with a whopping 64.9% share. That's more than half of all outsourced chip production running through them. This kind of control gives them a lot of influence over pricing, supply chains, and where the industry is headed. They've built a reputation for getting things done, being reliable, and having the best tech – all things that matter a lot as demand for chips keeps growing, especially for AI, cars, and high-performance computing.