At $765B+, Apple's market cap is double any other publicly traded US company
Apple Is Now More Than Double the Size of Exxon—And Everyone Else — Just how ginormous is Apple Inc. now? — As the iPhone-maker's shares continue to set fresh record highs, its market cap is now above $765 billion.
Context & Ripple Effects
In February 2015, Apple at $765B stood alone — more than double Exxon and every other publicly traded US company — a gap driven by iPhone-era record highs. The decade of related coverage shows what that isolation turned into: Apple became the first US company to reach $2T in August 2020 and the first to hit $3T in January 2022.
The story since then is less about solitude than about company. By June 2024 Apple's $3.18T sat just under Microsoft's $3.22T after its biggest one-day jump since November 2022, and when Apple crossed $4T intraday in October 2025 it did so as only the third public company ever — up 56% from its April low.
First-order effects
- Exxon's position as the largest US company is decisively overtaken: Apple's iPhone-led share rally puts it at more than twice the size of any domestic peer, making AAPL the market's single largest index weight.
Second-order effects
- Rivals are forced to measure against Apple rather than their own sectors — the coverage shows Microsoft closing to within tens of billions by mid-2024, turning trillion-dollar thresholds into an explicit two-company race.
Third-order effects
- If the pattern holds, round-number market caps become recurring structural events rather than curiosities: Apple was first through $1T, $2T, and $3T, yet needed to be 'only the third' to reach $4T — evidence of extreme mega-cap concentration across the whole market, not one company.
The trend: Since its 2015 peak of relative dominance, Apple has been first through every major valuation milestone while the mega-cap tier around it thickened, turning solo records into three-company races.