On Friday evening, billionaire investor Warren Buffett, the founder of Berkshire Hathaway, disclosed that he had purchased a massive stake in oil refinery Phillips 66 (PSX).
As of Friday’s share price close of $US77.23, Buffett’s stake is valued at $US4.47 billion.
Buffett had been aggressively buying shares of Phillips 66 since Wednesday of this week.
Earlier this month, Buffett had indicated in his 13-F filing that he was building a new position.
Here’s a rundown of Buffett’s purchases over the last few days.