CNBC | US Top News and Analysis Follow Bill Ackman's $5 billion Pershing Square IPO to start trading, testing Berkshire-style vision The listing gives public investors their first direct stake in Ackman's investment platform, which runs a concentrated portfolio of 10 large-cap names. https://www.cnbc.com/2026/04/29/bill-ackmans-5-billion-pershing-square-ipo-to-start-trading-testing-berkshire-style-vision.html cnbc.com
