MicroStrategy's purchase of an additional 5,445 bitcoins for $214.6 million brings its total Bitcoin holdings to over 158,000 BTC, worth over $4.7 billion at current prices. This makes MicroStrategy the largest publicly traded corporate holder of Bitcoin.MicroStrategy CEO Michael Saylor is a vocal advocate for Bitcoin, and he has repeatedly said that he believes it is a digital store of value with a bright future. Saylor has also said that he believes Bitcoin is a good hedge against inflation and economic uncertainty.Is Saylor Prepping for an Early Bull Run?It is possible that Saylor is preparing for an early bull run in Bitcoin. Bitcoin has been in a bear market since November 2021, but there are some signs that the market may be turning around. For example, Bitcoin has been trading above its 200-day moving average for the past few weeks, and this is often seen as a bullish signal.However, it is also possible that Saylor is simply buying Bitcoin because he believes it is a good long-term investment. Saylor has said that he believes Bitcoin has the potential to reach $500,000 per coin in the next few years.Crypto Market Outlook for SeptemberThe crypto market outlook for September is mixed. On the one hand, there are some signs that the market may be turning around. For example, Bitcoin has been trading above its 200-day moving average for the past few weeks, and this is often seen as a bullish signal.On the other hand, there are also some risks facing the crypto market. For example, the US Federal Reserve is continuing to raise interest rates in an effort to combat inflation. This could lead to a decline in risk assets, including cryptocurrencies.Overall, the crypto market outlook for September is uncertain. There are both bullish and bearish signals, and investors should do their own research before making any investment decisions.Additional ThoughtsMicroStrategy's purchase of more Bitcoin is a bullish sign for the cryptocurrency. It shows that institutional investors are still interested in Bitcoin, even though the market has been in a bear market for several months.It is also worth noting that MicroStrategy is not the only institutional investor that has been buying Bitcoin recently. Other large companies, such as Tesla and Square, have also bought Bitcoin in recent months. This suggests that institutional interest in Bitcoin is growing, and this could be a sign of a bull market ahead.However, it is important to remember that the crypto market is volatile and unpredictable. Investors should always do their own research before making any investment decisions.