CEOs and founders of tech's biggest names lost $61 billion during the stock market's plunge in October - here's who got hit hard

Rank on Bloomberg Billionaire's Index: 82

Net worth on October 31: $13.6 billion (-16% from $16.1 billion at the end of September)

Holdings in Baidu: $13.4 billion

Source: Bloomberg

Rank on Bloomberg Billionaire's Index: 35

Net worth on October 31: $21 billion (-3% from $21.6 billion at the end of September)

Holdings in Apple: $8.5 billion

Source: Bloomberg

Rank on Bloomberg Billionaire's Index: 26

Net worth on October 31: $28 billion (-17% from $33.6 billion at the end of September)

Holdings in Tencent: $25.6 billion

Source: Bloomberg

Rank on Bloomberg Billionaire's Index: 19

Net worth on October 31: $37 billion (-8% from $40.2 billion at the end of September)

Holdings in Alibaba: $20.3 billion

Source: Bloomberg

Rank on Bloomberg Billionaire's Index: 10

Net worth on October 31: $52 billion (-9% from $57.1 billion at the end of September)

Holdings in Alphabet: $41.8 billion

Source: Bloomberg

Rank on Bloomberg Billionaire's Index: 8

Net worth on October 31: $53.2 billion (-9% from $58.4 billion at the end of September)

Holdings in Alphabet: $43.4 billion

Source: Bloomberg

Rank on Bloomberg Billionaire's Index: 6

Net worth on October 31: $60.2 billion (-8% from $65.2 billion at the end of September)

Holdings in Facebook: $57.6 billion

Source: Bloomberg

Rank on Bloomberg Billionaire's Index: 1

Net worth on October 31: $132.8 billion (-20% from $166.1 billion at the end of September)

Holdings in Amazon: $126 billion

Source: Bloomberg