MicroStrategy (NASDAQ:MSTR) kept up its Bitcoin (BTC) accumulation run, adding 5,262 tokens valued at $561 million Monday for the week ending December 22. For the software giant, it represents the seventh straight week of Bitcoin purchases.

MicroStrategy's Bitcoin holdingsacquired at an average price of $106,622 eachhave increased to 444,262 tokens with the most recent transaction. Based on present market values, its cryptocurrency hoard is thought to be worth north of $42.2 billion overall.

Reflecting investor confidence in the company's aggressive bitcoin approach, shares have jumped over 130% in the previous three months and are up 447% year-to-date.As MicroStrategy continues to ride high on its stock market gains attained during the better part of this year, the continual increase of its Bitcoin portfolio corresponds with its continuous dedication to using cryptocurrencies as a main component of its corporate strategy.