Jeff Bezos’ ex-wife MacKenzie Scott has reportedly slashed her stake in Amazon by about 42%, or $12.6 billion, over the past year.Scott now holds 81.1 million shares of the e-commerce giant, down 58 million from this time last year, according to a regulatory filing dated Sept. 30 that was viewed by Bloomberg.The 55-year-old philanthropist has donated more than$19 billion since her 2019 divorce from the Amazon founder. MacKenzie Scott has slashed her stake in Amazon by about 42%, or $12.6 billion, over the ...