New Delhi, July 2 -- SpaceX's public offering on June 12 pushed founder and CEO Elon Musk into rarefied trillionaire status, solidifying his place as the wealthiest person in the world-by far.

But how are the rest of the multibillionaires doing at this midpoint of the year?

Just fine, for the most part. But, it would take adding the wealth of the next five richest people in the world to surpass Musk's net worth, which was about $1.2 trillion as of June 30, according to Barron's calculations.

A 13.4% gain in Alphabet shares through the first half contributed to co-founder Larry Page maintaining his second place ranking among the world's multibillionaires with a net worth of $301 billion, according to the Bloomberg Billionaires Index as ...