MacKenzie Scott Shrinks Her Amazon Stake by $12.6 Billion

Billionaire philanthropist MacKenzie Scott reduced her stake in Amazon.com Inc. by 42% over the past year, according to a regulatory filing Tuesday.

The latest disclosure, dated Sept. 30, shows she holds 81.1 million shares, down 58 million from a year earlier. At Tuesday’s closing price, that reduction would be worth $12.6 billion.