11 self-made American billionaires who are on the Forbes 400 list for the first time

Rocco Commisso: $4.5 billion

Rank: 150

Source of wealth: Telecom company Mediacom

Age: 67

Residence: Saddle River, New Jersey

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Ben Ashkenazy: $4 billion

Rank: 172

Source of wealth: Real estate firm Ashkenazy Acquisitions

Age: 48

Residence: New York, New York

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Rishi Shah: $3.6 billion

Rank: 206

Source of wealth: Healthcare media company Outcome Health

Age: 31

Residence: Chicago, Illinois

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Rodger Riney: $3.5 billion

Rank: 212

Source of wealth: Discount brokerage Scottrade

Age: 71

Residence: St. Louis, Missouri

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Clifford Asness: $3 billion

Rank: 264

Source of wealth: Hedge fund AQR Capital Management

Age: 51

Residence: Greenwich, Connecticut

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Chuck Bundrant: $3 billion

Rank: 264

Source of wealth: Fishing company Trident Seafoods

Age: 75

Residence: Seattle, Washington

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Don Vultaggio: $3 billion

Rank: 264

Source of wealth: Beverage company AriZona Beverages

Age: 65

Residence: Port Washington, New York

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Osman Kibar: $2.8 billion

Rank: 288

Source of wealth: Biotech company Samumed

Age: 46

Residence: La Jolla, California

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Frank VanderSloot: $2.7 billion

Rank: 302

Source of wealth: Nutrition and wellness company Melaleuca

Age: 69

Residence: Idaho Falls, Idaho

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Bert Beveridge: $2.5 billion

Rank: 324

Source of wealth: Beverage company Tito's Vodka

Age: 55

Residence: Austin, Texas

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Reed Hastings: $2.2 billion

Rank: 359

Source of wealth: Tech company Netflix

Age: 57

Residence: Santa Cruz, California

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Source: Business Insider India