Apple became the world’s most valuable public company in 2011 after overtaking ExxonMobil.
Apple surpassed ExxonMobil by market capitalization in August 2011. The shift illustrated the growing financial importance of consumer technology as Apple’s iPhone, iPad, and software ecosystem expanded worldwide.
ExxonMobil had been a symbol of corporate scale because of its oil production, refining, and global energy operations. Apple’s rise showed that a company could achieve a larger market value through intellectual property, recurring customer purchases, and high-margin hardware and software rather than through physical commodities.
The lead changed hands at different times afterward. Market capitalization is a moving comparison, so a company’s rank depends on both its own share price and the prices of its competitors. The 2011 event is best understood as a historical milestone, not a permanent title.