1

Warren Buffett

Investments

$3.1-billion

Foundations

2

Mark Zuckerberg and Priscilla Chan

Technology

$498.8-million

Community Foundations

3

John and Laura Arnold

Finance

$423.4-million

Foundations

4

Paul Allen

Technology

$309.1-million

Medical Research

5

Sergey Brin and Anne Wojcicki

Technology

$222.9-million

Foundations

6

Mortimer Zuckerman

Media and entertainment, real estate

$200.0-million

Colleges and Universities

7

Fred Fields

Manufacturing

$191.5-million
(bequest)

Community Foundations

8

Carl Icahn

Investments

$150.0-million

Colleges and Universities

9

Sheldon and Miriam Adelson

Hotels

$143.0-million

Foundations

10

David Gundlach

Insurance

$140.0-million
(bequest)

Community Foundations

11

David Koch

Oil

$137.0-million

Museums and Libraries

12

Philip and Penelope Knight

Manufacturing

$125.0-million

Colleges and Universities

13

Michael Moritz and Harriet Heyman

Finance, technology

$116.4-million

Colleges and Universities

14

Eli and Edythe Broad

Finance, real estate

$101.5-million

Foundations

15

John and Jenny Paulson

Finance

$100.0-million

Sports and Recreation

16

Brooke Russell Astor

Family wealth

$88.8-million
(bequest)

Community Foundations

17

Wayne and Delores Barr Weaver

Retail

$83.7-million

Community Foundations

18

Irwin and Joan Jacobs

Telecommunications

$60.1-million

Donor-Advised Fund

19

Herbert and Florence Irving

Food and beverage

$60.0-million

Hospitals and Medical Centers

20

Joshua Rechnitz

Family wealth

$57.0-million

Foundations

21

Jonathan and Karin Fielding

Investments

$50.0-million

Colleges and Universities

21

Jeff and Judy Henley

Technology

$50.0-million

Colleges and Universities

21

Eugene Lang

Manufacturing, technology

$50.0-million

Colleges and Universities

21

George Roberts

Finance

$50.0-million

Colleges and Universities

21

Ernest Scheller Jr. and Roberta Scheller

Manufacturing

$50.0-million

Colleges and Universities

26

Ethel Strong Allen

Family wealth

$49.3-million
(bequest)

Schools

27

Ronald Perelman

Finance, investments

$49.0-million

Colleges and Universities

28

Leon and Debra Black

Finance

$48.0-million

Colleges and Universities

29

Lawrence Ellison

Technology

$45.6-million

Medical Research

30

Vance Kondon and Elisabeth Giesberger

Health care, investments

$45.0-million
(bequest)

Museums and Libraries

31

Mary Porter

Family wealth

$43.9-million
(bequest)

Community Foundations

32

Garthe and Grace Brown

Law

$43.1-million
(bequest)

Community Foundations

33

David Rubenstein

Finance

$42.5-million

Colleges and Universities

34

Mica Ertegun

Entertainment

$41.0-million

Colleges and Universities

35

Michael and Marilyn Quinlan

Food and beverage

$40.0-million

Colleges and Universities

36

Thomas Golisano

Investments

$33.3-million

Hospitals and Medical Centers

37

Darlene Marcos Shiley

Health products, invention

$33.1-million

Colleges and Universities

38

Richard Driehaus

Finance

$30.5-million

Colleges and Universities

39

Jon Stryker

Family wealth

$30.1-million

Foundations

40

Stephen Bing

Entertainment, family wealth

$30.0-million

Human-Service Groups

40

Helen Gurley Brown

Media and entertainment

$30.0-million

Colleges and Universities

40

Richard D'Amore

Finance

$30.0-million

Colleges and Universities

40

David Geffen

Entertainment

$30.0-million

Human-Service Groups

40

Jeffrey Katzenberg

Entertainment

$30.0-million

Human-Service Groups

40

Alan McKim

Industry

$30.0-million

Colleges and Universities

40

Joseph and Katherine O'Donnell

Finance, food and beverage

$30.0-million

Colleges and Universities

40

Steven Spielberg

Entertainment

$30.0-million

Human-Service Groups

48

James Spilker Jr. and Anna Marie Spilker

Technology

$28.0-million

Colleges and Universities

49

Patrick and Tandra Cadigan

Real estate, technology

$27.0-million

Colleges and Universities

50

Leonard and Pamela Schaeffer

Insurance

$26.8-million

Colleges and Universities