Valued at a market cap of over $80 billion, MicroStrategy (MSTR) stock has soared more than 10% today to touch a new all-time intraday high north of $430, rising alongside a continued breakout in Bitcoin (BTCUSD) to fresh records of its own.

MicroStrategy invests $4.6B in Bitcoin, boosting its crypto holdings. MSTR stock surges as the company strengthens its position as a major Bitcoin holder.

In an SEC filing Monday, MicroStrategy said that it acquired approximately 51,780 bitcoins for approximately $4.6 billion in cash, at an average price of approximately $88,627 per bitcoin, inclusive of fees and expenses.

MicroStrategy has bought about $4.6 billion of bitcoin—the first fruits of a huge new fundraising plan, and its largest bitcoin purchase since it first started acquiring the cryptocurrency more than four years ago.

MicroStrategy Inc. bought about 51,780 Bitcoin for around $4.6 billion, the largest purchase by the crypto hedge-fund proxy since it began acquiring the digital-asset more than four years ago.