Michael Saylor is CEO of the firm. It's a big fan of Bitcoin.

Its total BTC holding is around 139K tokens. In the past 5 weeks its bought 6455 BTC.

btc chart saylor microstrategy buying 28 March 2023

Getting this info in hindsight is all well and good. And getting it real time is very difficult indeed unless you are an insider. Retail traders of BTC tend to rely on technical analysis instead. What else do folks use? In the comments please!