In Bezos split, a question about who gets the couple's Amazon.com stock?

Jeff Bezos owns almost 79 million shares of Amazon.com, worth about $130 billion as of Thursday.

Jeff and MacKenzie Bezos’s split has created a puzzle for index investors: Who gets their stock in Amazon.com Inc.?

Regulatory filings show Jeff Bezos owns almost 79 million shares of the company, worth about $130 billion as of Thursday. If MacKenzie takes a chunk in a settlement--or either party needs to liquidate their assets to meet divorce expenses--those could become part of the company’s freely traded stock. In turn, that could boost the company’s weighting in indexes including the S&P 500 -- sending tracker funds on a small Amazon shopping spree.

“From the perspective of the index, you’d need to