GiveRate / All records / Forbes 400 (Sept. 2026) / Henry Samueli

Henry Samueli

1–5%

Henry Samueli has given an estimated 1–5% of current net worth ($33.8B), based on Forbes' philanthropy score.

Share on LinkedInFacebookXBlueskyThreadsRedditEmail
GiveRate
1–5%
Net worth
$33.8B
Stated lifetime giving
Not stated
Forbes 400
#31 · Semiconductors · Newport Beach, California
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
71
Residence
Newport Beach, California
Industry
Technology
Source of wealth
Semiconductors
Self-made
Yes
One-year change
$27.7B (#34) in Sept. 2025 to $33.8B (#31) in Sept. 2026, a gain of 22%.

What the range means in dollars

Forbes gives Henry Samueli a philanthropy score of 2 out of 5, meaning lifetime giving equals 1% to 5% of current net worth. On a $33.8B fortune, that implies lifetime giving of roughly between $338M and $1.7B. 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

The Samuelis donated $200 million to the University of California, Irvine in 2017.

From the Forbes profile (Sept. 2026).

Others in Technology

Others in California

Questions

How much has Henry Samueli given to charity?

Forbes scores Henry Samueli 2 of 5 for philanthropy, meaning lifetime giving of 1% to 5% of net worth, roughly between $338M and $1.7B on a $33.8B fortune.

What is Henry Samueli's net worth?

Forbes estimates $33.8B as of September 2026, ranking #31 on the Forbes 400.

What is Henry Samueli'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 card for Henry Samueli: 1–5%

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