GiveRate / All records / Forbes 400 (Sept. 2026) / Weili Dai
Weili Dai
Under 1%
Weili Dai has given an estimated under 1% of current net worth ($4.8B), based on Forbes' philanthropy score.
- GiveRate
- Under 1%
- Net worth
- $4.8B
- Stated lifetime giving
- Not stated
- Forbes 400
- #356 · Semiconductors · Las Vegas, Nevada
- Status
- Source-reported range
- Sources
- Forbes 400 profile · Sept. 2026
The math
Forbes philanthropy score 1 of 5: lifetime giving is under 1% of current net worth. The range is Forbes' own banding; GiveRate shows it as published.
Profile
- Age
- 65
- Residence
- Las Vegas, Nevada
- Industry
- Technology
- Source of wealth
- Semiconductors
- Self-made
- Yes
- Role
- Cofounder-President, Marvell Technology
- One-year change
- New to the Forbes 400 in 2026 at #356 with $4.8B.
What the range means in dollars
Forbes gives Weili Dai a philanthropy score of 1 out of 5, meaning lifetime giving equals under 1% of current net worth. On a $4.8B fortune, that implies lifetime giving of less than $48M. 177 of the 400 share this score and 206 score higher.
For scale: under 1% of a $50,000 household income would be under $500.
Others in Technology
- Elon Musk: Under 1% · $908B
- Jeff Bezos: 1–5% · $378B
- Larry Page: Under 1% · $278B
- Michael Dell: 1–5% · $263B
- Sergey Brin: 1–5% · $256B
- Mark Zuckerberg: 1–5% · $212B
Others in Nevada
- Miriam Adelson & family: 1–5% · $33.5B
- Nancy Walton Laurie: Under 1% · $17.2B
- David Duffield: 5–10% · $11.5B
- Don Hankey: Under 1% · $10.5B
- Jay Chaudhry: Under 1% · $9.7B
- Andrew Cherng: Under 1% · $8.3B
Questions
How much has Weili Dai given to charity?
Forbes scores Weili Dai 1 of 5 for philanthropy, meaning lifetime giving of under 1% of net worth, less than $48M on a $4.8B fortune.
What is Weili Dai's net worth?
Forbes estimates $4.8B as of September 2026, ranking #356 on the Forbes 400.
What is Weili Dai's GiveRate?
Under 1%. 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