MSG Sports is splitting the Knicks and Rangers into two stocks, and history says spin-offs tend to beat IPOs Ukraine’s drones lose their Starlink link above 100 mph. Musk, Rubio and Trump all say it wasn’t them Ukraine and the U.S. are at odds over Starshield. Here's what to know ‘How many canaries have we killed in the coal mine?’ — Wall Street debates if the latest AI bubble warnings are another head fake or the real thing Trump denies limiting Ukraine access to Starlink network Brian Sullivan: Why the 'real' price of oil is likely $30-$40 higher than where it is now Harvard’s endowment jumps 27% in fiscal 2026, lifted by SpaceX as top holding Why is Starlink internet so important on the battlefield in Ukraine? City becomes hub for booming Esports industry Bipartisan group of senators call on Trump to rescind Russian diesel deal

Elaine Marshall & family

Elaine Marshall & family

Elaine Marshall & family (#73)

Global Rank #73
Country Rank #36
Country United States

Elaine Marshall & family is listed among the world billionaires tracked by Iconic Billionaires.

  • $ 32 B
  • Koch, Inc.
  • United States
  • F
  • 84 Years

Snapshot

Quick Facts

Global Rank #73
Country Rank #36
Net Worth $32.2B
Previous Worth $32.2B
Worth Change +$0.0B
Country United States
Industry Koch, Inc.
Age 84 Years
Gender F
Worth As Of May 22, 2026
Last Refreshed 04 Sep 2026, 12:00 AM
Residence Dallas, Texas
World Billionaires List United States Billionaires Koch, Inc.

Profile Data

Personal Stats

Age 84
Source Of Wealth Koch Inc.
Self Made Score 2
Philanthropy Score 1
Residence Dallas, Texas
Citizenship United States
Children 2
Net Worth Change +$0.0B +0.0% from previous worth
Previous Net Worth $32.2B
Current Net Worth $32.2B

Worth as of May 22, 2026

About Me

Elaine Marshall owns an estimated 16% of $125 billion (revenue) conglomerate Koch, Inc. (formerly Koch Industries) with her two sons. She inherited her stake from husband E. Pierce Marshall (d. 2006), whose father J. Howard Marshall II (d. 1995) was an early partner of founder Fred Koch (d. 1967). J. Howard II was married to Playboy Playmate Anna Nicole Smith (d. 2007) at the time of his death. Fred Koch's son Charles is chairman and co-CEO of Koch, Inc. and splits an 84% voting stake with Julia Koch, the widow of his brother David (d. 2019). Elaine's son Preston Marshall is a former director of the Cato Institute, a libertarian think tank cofounded by Charles Koch. Her son E. Pierce Marshall, Jr. runs investment firm Élevage Capital Management.

Wealth Growth

Net Worth Growth Over Time

Tracking Elaine Marshall & family's net worth journey over the years, highlighting key growth phases and financial milestones.

Worth Trend Net Worth Growth
Period Change Worth Movement
Current Net Worth: $32.2B (May 22, 2026)

© Iconic Billionaires