MicroStrategy has made headlines again by adding 11,000 Bitcoin to its portfolio, according to a Jan. 21 filing with the US Securities and Exchange Commission (SEC).

This acquisition represents the firm’s biggest Bitcoin purchase of the year and extends its ongoing streak of weekly buys into the eleventh week. Earlier this month, the company acquired 1,070 BTC on Jan. 6, followed by 2,530 BTC on Jan. 13, rounding out a highly active January.

MicroStrategy said it funded its latest purchase by selling over three million shares for $1.1 billion between Jan. 13 and 20. Despite this, the company retains the option to sell $5.4 billion worth of shares under its current agreement, ensuring ample funding for future purchases.

Meanwhile, the new addition has boosted MicroStrategy’s total Bitcoin holdings to 461,000 BTC. At current market prices, this stash is worth an estimated $48 billion.

The firm has invested approximately $29 billion in its Bitcoin strategy, with an average acquisition cost of $63,610 per BTC. As a result, the company has accrued an unrealized profit of around $19 billion.

MSTR is down 0.9% at pre-market trading, according to Yahoo Finance data.

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