Investors are still waiting to see how Abel will manage the huge stock portfolio at Berkshire.Warren Buffett left new Chief Executive Officer Greg Abel with a mountain of a portfolio to manage when he stepped down from the position at the end of 2025. Berkshire Hathaway's (BRK.A 0.13%) (BRK.B +0.01%) marketable equity portfolio is valued at about $320 billion as of this writing, and the business has about $354 billion of cash to deploy on top of that. Many of the holdings in the portfolio are positions esta ...