MicroStrategy’s newest 8-K filing with the SEC shows that the company bought 6,455 BTC for $150M between February 16 and March 23.

They also paid off their Silvergate Bank loan at a 22% discount over the same period of time. The loan was originally for $205M but they paid it off for $161M.

As of March of this year, MicroStrategy now holds around 138,955 BTC – with an aggregate purchase price of $4.14B (average price $29K).

The newest purchase of BTC cements MicroStrategy’s position as the biggest corporate holder of BTC in the world.