William E. Greehey's holdings reflect a strong stake in Valero Energy Corporation. By the end of his tenure as CEO in December 2005, he had built a significant portfolio, with around 1.2 million shares valued at nearly $35 million at...

William E. Greehey's holdings reflect a strong stake in Valero Energy Corporation. By the end of his tenure as CEO in December 2005, he had built a significant portfolio, with around 1.2 million shares valued at nearly $35 million at the time of retirement. His holding represented a considerable portion of his wealth, demonstrating his belief in the company's prospects. Greehey's shares were significantly vested and formed the bulk of his long-term investment strategy. Notably, the performance shares he was granted were set to vest based on the company's strong performance metrics, further tying his financial success to Valero's achievements in the refining industry.