Overview

• Forbes’ tracker showed Musk’s fortune hitting $500.1 billion on October 1 and settling near $499.1 billion by 5 p.m. ET as Tesla shares gained about 3.3%.
• Other gauges put his wealth lower, with the Bloomberg Billionaires Index estimating roughly $470 billion, reflecting differences in methodology and private-market valuations.
• Most of Musk’s wealth is tied to stakes in Tesla, SpaceX and xAI, including an about 12% Tesla holding valued near $191 billion, SpaceX at roughly a $400 billion valuation and xAI last pegged at $75 billion in July.
• Tesla’s board has proposed a performance-based compensation plan for Musk that could exceed $1 trillion if aggressive targets are met, with a shareholder vote slated for November and the 2018 award still under legal appeal.
• Musk disclosed nearly $1 billion in Tesla share purchases in a September SEC filing, a move cited alongside his renewed focus on the company as drivers of recent investor confidence.