Soaring Military Outlays Add $28 Billion to Defense Fortunes

US sailors prepare ordnance on the flight deck of USS Abraham Lincoln, in a photo released by the US Navy, on Feb. 28.

Photographer: US Navy/Getty Images

The conflict with Iran, now in its 20th day, highlights a years-long surge in global military spending that’s driving a boom in defense stocks and racking up billions in gains for owners.

Fourteen individuals and families with large stakes in defense firms have added more than $28 billion to their fortunes in less than three months, according to an analysis by the Bloomberg Billionaires Index. Shares of companies that make missiles, drones, electronic warfare systems — and even the humble fuse — have climbed sharply this year as governments rush to rearm.