‘The best thing that you can do for your career is to make yourself redundant’: Inside Stellantis’ AI push after the ‘starting gun went off’ Nebex CEO: NASA wants a commercial space economy. Here’s how it can enable one Ukraine is pushing fiber-optic drones to greater ranges. One maker questions whether that's worth the trade-offs. Canceled port calls and cash appeals: Inside the final months of the Villa Vie Odyssey's doomed round-the-world cruise A retired student-loan borrower is fighting for public service debt relief. Now he's named in a lawsuit against Trump. I run an 8-person startup that uses AI agents. We don't let our agents run on vibes — here's the playbook system we created Markets podcaster Ed Elson says investors are reading Anthropic's S-1 wrong What a veteran bond investor is watching as sharp interest rate moves roil markets This new indie film about an AI startup founder and his family feels less like sci-fi by the day OpenAI pares fundraising goal, now seeking up to $20 billion in latest round

Katharine Rayner

Katharine Rayner

Katharine Rayner (#891)

Global Rank #891
Country Rank #358
Country United States

Katharine Rayner is listed among the world billionaires tracked by Iconic Billionaires.

  • $ 5 B
  • Media, automotive
  • United States
  • F
  • 81 Years

Snapshot

Quick Facts

Global Rank #891
Country Rank #358
Net Worth $4.9B
Previous Worth $4.9B
Worth Change +$0.0B
Country United States
Industry Media, automotive
Age 81 Years
Gender F
Worth As Of May 4, 2026
Last Refreshed 09 Sep 2026, 12:00 AM
Residence East Hampton, New York
World Billionaires List United States Billionaires Media, automotive

Profile Data

Personal Stats

Age 81
Source Of Wealth Media, automotive
Self Made Score 1
Philanthropy Score 1
Residence East Hampton, New York
Citizenship United States
Marital Status Widowed
Education Bachelor of Arts/Science, Sarah Lawrence college
Net Worth Change +$0.0B +0.0% from previous worth
Previous Net Worth $4.9B
Current Net Worth $4.9B

Worth as of May 4, 2026

About Me

Katharine Rayner inherited an estimated 17% stake in media and automotive conglomerate Cox Enterprises from her mother, Anne Cox Chambers. Cox Enterprises, a private communications, media, and automotive conglomerate started by Rayner's grandfather, has $23.1 billion in revenues. Her siblings, James Chambers and Margaretta Taylor, also inherited an estimated 17% stake each in Cox Enterprises. Neither Rayner nor her siblings or mother have ever had an active role in the company. Her cousin, Jim Kennedy, is chairman emeritus of Cox Enterprises. Her nephew, Alex Taylor, is CEO and chairman.

Insights

Did You Know?

Rayner lives in East Hampton, N.Y. She is known to be an avid gardener.

A noted philanthropist, she serves on the board of the New York Public Library and the Morgan Library.

Wealth Growth

Net Worth Growth Over Time

Tracking Katharine Rayner'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: $4.9B (May 4, 2026)

© Iconic Billionaires