MicroStrategy (MSTR) said Monday in a filing with the US Securities and Exchange Commission that it acquired about 15,400 bitcoins for $1.5 billion between Nov. 25 and Dec. 1.

The purchase was funded with $1.48 billion raised from the sale of about 3.7 million shares during the same period, the company said.

As of Dec. 1, MicroStrategy owned roughly 402,100 bitcoins, according to the filing.

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