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Apple Under Cook: From $350B to $5 Trillion
28 Aug
Summary
- Apple's market cap grew from $350 billion to over $4 trillion.
- The iPhone generated over $209 billion in sales in 2025.
- Services became Apple's second-largest business segment.

Tim Cook's final day as Apple CEO is August 31, 2026, concluding a remarkable 15-year leadership. Taking the helm in 2011 after Steve Jobs' passing, Cook oversaw an extraordinary expansion, elevating Apple's market capitalization from around $350 billion to over $4 trillion. This period of success is widely acknowledged by industry experts.
Under Cook's guidance, the iPhone, already a successful product, was further developed into history's most profitable device. In 2025, the iPhone alone generated $209.5 billion in revenue, representing about half of Apple's total sales. Cook also strategically broadened the iPhone lineup and managed its complex global supply chain.
Cook's strategic vision extended to establishing a robust ecosystem of products and services. Services have now become Apple's second-largest business, with $109.1 billion in revenue last year, while wearables contributed $35.6 billion. China also emerged as a critical market, with $64.3 billion in sales in 2025.