Apple is the richest company, so where are all the billionaires?

Finding billionaires in Silicon Valley isn’t hard. Dropbox ’s Arash Ferdowsi and Veeva Systems’ Peter Gassner have both crossed the threshold this year, and tech fortunes make up a fifth — or about $1 trillion — of the Bloomberg Billionaires Index.

But tracking down members of the three-comma club at Apple is a less fruitful endeavour, even though the iPhone-maker is the world’s most valuable company, with a market capitalisation of $879 billion.

Chairman Art Levinson is the only insider to make the cut, and Apple stock accounts for just 20 percent of his $1 billion fortune, according to regulatory filings. The