Warren Buffett's Berkshire Hathaway Inc. is set to release its third-quarter earnings on Saturday, November 2nd, at approximately 7 AM ET. Investors are keenly watching for updates on the company's cash reserves, buybacks, and its significant Apple stake. Additionally, Berkshire Hathaway has recently acquired $60.7 million in Sirius XM Holdings Inc. stock, continuing Buffett's investment in the satellite-radio broadcaster. This follows a recent purchase of $61 million in Sirius XM shares, highlighting a strategic focus on the company's subscriber growth initiatives. Speculation is high on whether Berkshire now holds over $300 billion in cash.