Buffett's aggressive purchase of this stock has nothing to do with its recent reverse stock split.Warren Buffett bought only seven stocks for Berkshire Hathaway's portfolio in the second quarter of 2024. He seemed to be especially enthusiastic about Sirius XM Holdings (SIRI 3.87%), increasing Berkshire's stake by 262%.Rest assured that Sirius XM's 1-for-10 reverse stock split conducted earlier this month had nothing to do with Buffett's purchase of more shares. The legendary investor might have liked the re ...