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.

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.