Boston.com / Business / Technology / For Gates and Ballmer, it will be a rich payout "While investors rewarded the news by sending shares of Microsoft up 5 percent in after-hours action, those likely to benefit the most are Gates and Ballmer. Gates, who started the company in 1975, remains its largest shareholder, owning about 10 percent of the company.
Currently, Gates owns 1.2 billion shares of Microsoft. He is set to collect more than $3 billion in the one-time dividend and about $384 million from its annual dividend. Meanwhile, Ballmer, who owns 410.9 million shares of Microsoft is set to rake in $1.23 billion from the special dividend and roughly $131.5 million from the annual dividend."