GiveRate / All records / Forbes 400 (Sept. 2026) / Katharine Rayner

Katharine Rayner

1–5%

Katharine Rayner has given an estimated 1–5% of current net worth ($5.0B), based on Forbes' philanthropy score.

GiveRate

1–5%

Net worth

$5.0B

Stated lifetime giving

Not stated

Forbes 400

#343 · Media, automotive · East Hampton, New York

Status

Source-reported range

Sources

Forbes 400 profile · Sept. 2026

The math

Forbes philanthropy score 2 of 5: lifetime giving is 1–5% of current net worth. The range is Forbes' own banding; GiveRate shows it as published.

Profile

Age

81

Residence

East Hampton, New York

Industry

Media & Entertainment

Source of wealth

Media, automotive

Self-made

No (inherited or family wealth)

One-year change

$6.3B (#232) in Sept. 2025 to $5.0B (#343) in Sept. 2026, a drop of 21%.

What the range means in dollars

Forbes gives Katharine Rayner a philanthropy score of 2 out of 5, meaning lifetime giving equals 1% to 5% of current net worth. On a $5.0B fortune, that implies lifetime giving of roughly between $50M and $250M. 138 of the 400 share this score, 177 score lower and 68 score higher.

For scale: 1% to 5% of a $50,000 household income would be $500 to $2,500.

Giving on record

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

From the Forbes profile (Sept. 2026).

Others in Media & Entertainment

• Rupert Murdoch & family: Under 1% · $25.0B
• Charles Ergen: Under 1% · $12.8B
• John Malone: 5–10% · $11.4B
• Gabe Newell: Under 1% · $10.2B
• David Geffen: 5–10% · $9.7B
• Steven Spielberg: 5–10% · $7.9B

Others in New York

• Michael Bloomberg: ≥21.1% · $94.9B
• Julia Koch & family: 1–5% · $84.6B
• Stephen Schwarzman: 1–5% · $46.4B
• Marilyn Simons & family: 20%+ · $36.6B
• Israel Englander: Under 1% · $27.6B
• Rupert Murdoch & family: Under 1% · $25.0B

Questions

How much has Katharine Rayner given to charity?

Forbes scores Katharine Rayner 2 of 5 for philanthropy, meaning lifetime giving of 1% to 5% of net worth, roughly between $50M and $250M on a $5.0B fortune.

What is Katharine Rayner's net worth?

Forbes estimates $5.0B as of September 2026, ranking #343 on the Forbes 400.

What is Katharine Rayner's GiveRate?

1–5%. GiveRate is lifetime giving as a share of wealth, built from published Forbes figures. See giverate.org/methods/ for the method.

GiveRate is an estimate built only from the published figures above. Wealth and giving totals are themselves estimates. See methods. Spot an error? Request a correction. See all Forbes 400 (Sept. 2026) · Open in the interactive rankings · Calculate your own GiveRate