Net worth
$35.4B
Forbes Real-Time · as of Sep 24, 2026
Latest moves
No moves from David Sun in the digest yet. The archive grows every morning.
Recent SEC filings
This person doesn't file with the SEC.
Footprint
Companies
Kingston Technology Corporation (private; Fountain Valley, CA; revenue $14.4B in 2025)Co-founder
source ↗More
- Role
- Co-founder (1987, with John Tu), COO
Private deals
Kingston's revenue was $14.4B in the last full year, making it Forbes' 27th-largest US private company. An AI-driven…Feb 2026
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- In full
- Kingston's revenue was $14.4B in the last full year, making it Forbes' 27th-largest US private company. An AI-driven memory-chip supply crunch added ~$14B combined to Sun's and Tu's wealth by Feb 2026 (Bloomberg Billionaires data)
- Date
- 2026-02-22
Real estate
Irvine, California (listed residence)residence · as of 2026-09
source ↗Giving
Foundation run by David and Diana Sun giving grants to education programs for under-served youth in the US and Taiwan (legal name not confirmed)
source ↗Sun Family Foundation (Irvine, CA; David Sun, president & chairman) — total assets $70.2M, expenses $7.7M (tax year 2023 990-PF data); latest 990-PF filed 2025-11-03EIN 33-0868088
source ↗Research gaps: Pass 2 identifies the foundation's legal name and EIN (Sun Family Foundation, 33-0868088) from ProPublica officer listings. Kingston's stake split is still unverified from an accessible source: Bloomberg's profile returned 403, and a search summary says Tu 50% / Sun the balance.
What to watch
Memory-chip price cycle (AI-driven DRAM/NAND shortage) drives Kingston's value and his net worth
source ↗