The tech giant is only the second publicly traded American company, behind Apple, to reach such a valuation. Oil company Saudi Aramco, which went public in 2019, has also previously passed that mark, though its market cap on Tuesday was $1.88 trillion.
The company reached the $2 trillion milestone just over two years after it first passed the $1 trillion market cap mark. Microsoft's stock has gained 64% since March 2020, when pandemic lockdowns began going into effect in the United States.