As of July 17, 2026, Apple was valued at $4.90 trillion, closing the gap with Nvidia in the race for the title of world's most valuable company by market capitalization (Reuters). Nvidia remained the world's largest company by market cap at approximately $4.7 trillion as of early July, according to data compiled by MacDailyNews on July 8 (MacDailyNews).

The gap has been compressing steadily. On July 3, Yahoo Finance reported Nvidia's market cap at about $4.7 trillion, roughly $190 billion, or about 4%, ahead of Apple's $4.5 trillion (Yahoo Finance). The same day, The Motley Fool noted Nvidia's market cap was approaching $5 trillion, with Apple approximately 4% behind (The Motley Fool). By June 24, CNBC reported Nvidia's market cap was close to $5 trillion (CNBC).

The trajectory of Nvidia's ascent traces back to a compressed period in mid-2024. On May 28, 2024, Nvidia's market cap reached $2.8 trillion against Apple's $2.9 trillion (Reuters). Eight days later, on June 5, Nvidia closed at $3.012 trillion, edging past Apple's $3.003 trillion to become the second most valuable U.S. company (Reuters). That same day, Nvidia surpassed $3 trillion for the first time, leapfrogging Apple (Bloomberg). On June 18, 2024, Nvidia became the world's most valuable company at approximately $3.3 trillion, surpassing both Microsoft and Apple (Bloomberg). At that point, the combined market cap of Microsoft, Nvidia, and Apple totaled roughly $9.2 trillion, exceeding the entire value of China's stock market (Bloomberg). Nvidia overtook Apple again as the world's most valuable company on October 25, 2024 (Reuters).

The $4 trillion threshold fell on July 10, 2025, when Nvidia closed at $4.004 trillion for the first time (Reuters). By January 21, 2025, the top three were tightly clustered: Nvidia at about $3.45 trillion, Apple at about $3.35 trillion, and Microsoft at about $3.2 trillion (CNBC).

The competitive dynamics among the megacaps have shifted in other ways. On January 8, 2026, Bloomberg reported that Alphabet had overtaken Apple to become the second most valuable company behind Nvidia, after Apple's stock dropped nearly 5% over a six-day trading slump ending around January 7, when Apple's market cap closed at $3.85 trillion (Bloomberg). Four days later, on January 12, Alphabet's market cap surpassed $4 trillion for the first time, with its stock closing at $331.86. As of that date, Nvidia, Microsoft, Apple, and Alphabet each held market caps exceeding $4 trillion (CNBC).

By May 1, 2026, Nvidia's market cap had risen above $4.6 trillion but remained under $4.9 trillion (CNBC). Nvidia's gross margin peaked at around 79%, a figure that contextualizes the profitability underpinning its valuation expansion (CNBC).

Apple's leadership transition adds a separate variable. In April 2026, Apple announced that Tim Cook would become Apple Executive Chairman and John Ternus would become Apple CEO. The company's press release noted that under Cook's leadership, Apple's market cap grew from approximately $350 billion to $4 trillion, a more than 1,000% increase (Apple Newsroom).

The broader context here is that the gap between Nvidia and Apple has oscillated rather than moved in a straight line. Nvidia first overtook Apple in June 2024, reclaimed the top spot in October 2024 after Apple had briefly reasserted itself, and has held the position through multiple rounds of volatility in both stocks. The current compression, with Apple at $4.90 trillion as of July 17, puts Apple within striking distance if the trend of the past two weeks persists. Whether Apple actually reclaims the top spot depends on relative earnings momentum, buyback execution, and the direction of AI infrastructure spending that has driven Nvidia's gross margins to near-80% levels.

For investors and market participants, the practical implication is straightforward: at a roughly 4% gap as of early July, a single earnings cycle or a repricing of AI demand expectations could flip the ranking. The structural question is whether Apple's hardware-ecosystem compounding or Nvidia's data-center margin engine sustains the higher exit multiple. Both companies are now valued at levels where incremental percentage moves translate into hundreds of billions of dollars in market cap, making the headline race as much a function of sentiment and positioning as of fundamentals.