Diodes Foundation
Diodes Foundation is a private foundation focused on Education, based in Wilmington, DE. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $12.2M in total assets. In 2025, it awarded 13 grants totaling $190K. Net investment income was $621K.
Diodes Foundation at a glance
In short: Diodes Foundation gave $190K across 13 grants in 2025 (avg $15K), mostly in Texas. 36% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $189,725
- -78.1% vs 2024
- Grants made (2025)
- 13
- +44.4% vs 2024
- Average grant
- $14,594
- -84.8% vs 2024
- Median grant
- $5,000
- Total assets
- $12,161,002
- +18.6% vs 2024
- New grantees (estimate)
- 36% first-time grantees (4 of 11, 2025; small sample)
- Primary geography
- Texas (72% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated November 2026. New grantees are estimated by matching recipient names across years (methodology).
Who Diodes Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Texas A&M Foundation ($110K across 2 grants). Together the top 10 received $189K.
Grant Size Distribution
38 grants across all recorded years
The most common grant size was under $50K: 35 grants of 38 (92%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 13 itemized grants.
Cities
Is Diodes Foundation open to new grantees?
36%
first-time grantees, 2025
In 2025, 4 of 11 grantees (36%) were first-time recipients. With only 11 grantees, that is a small sample: one grantee more or less moves the share by about 9 points. First grants averaged $12K; repeat grants $20K. How we count
Medians: $8K first-time, $5K repeat.
- 64% of 2025 grantees were also funded in 2024. Method
- Giving grew 549% from 2022 to 2025. Method
- In 2025 it paid out 36% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2022–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2025, annual grant giving ranged from $29K (2022) to $866K (2024). In 2025 it made 13 grants totaling $190K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Texas A&M Foundation College Station, TX | Advanced Semiconductor Manufacturing and education program | $100,000 |
| The Pinnacle Learning Trust | General & Unrestricted | $30,000 |
| Chinese Institute of Engineers USA Inc Richardson, TX | Diamond fund | $12,000 |
| Texas A&M Foundation College Station, TX | MSEN Capstone fund | $10,000 |
| United Way Inc Portland, ME | General & Unrestricted | $10,000 |
| Dallas Asian American Youth Orchestra Arlington, TX | General & Unrestricted | $7,500 |
| Perot Museum of Nature and Science Dallas, TX | Associate Level fund | $5,000 |
| South Portland High School South Portland, ME | In support of South Portland High School Robotics team | $5,000 |
| 9 11 Day Irvine, CA | General & Unrestricted | $4,725 |
| United Way Inc Portland, ME | Leading Through Community fund | $2,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $12,161,002 | $2,182,195 | $277,369 | $189,725 | 13 | $207,269 | $621,495 | $578,923 |
| 2024 | $10,256,176 | $2,478,658 | $922,110 | $865,766 | 9 | $885,766 | $447,114 | $477,673 |
| 2023 | $8,699,628 | $5,712,179 | $504,717 | $473,766 | 9 | $495,634 | $204,596 | $366,253 |
| 2022 | $3,492,166 | $3,530,697 | $38,531 | $29,250 | 7 | $37,592 | $27,758 | $100,210 |
Under IRS private-foundation payout rules, Diodes Foundation reported a distributable amount of $579K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Diodes Foundation is led by Gary Yu, Director & President on the 2025 filing; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Gary Yu
Director & President
New on the 2025 filing
1 hr/week
No compensation reported
Keh-Shew Lu
Director & Chairman
Chariman & Director → Chairman & Director, 2022
On filings since 2021
1 hr/week
No compensation reported
Brett Whitmire
Director & Treasurer
On filings since 2022
1 hr/week
No compensation reported
Richard D White
Director & Secretary
On filings since 2022
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Diodes Foundation
How much does Diodes Foundation give each year?
Diodes Foundation gave $190K across 13 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $866K across 9 grants.
What is Diodes Foundation's typical grant size?
Diodes Foundation's median grant in 2025 was $5,000, and its average grant was $14,594, across 13 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Diodes Foundation that year got $12K on average.
Where does Diodes Foundation give grants?
Diodes Foundation gives mostly in Texas: 72% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Maine (9%). The most frequent recipient cities were College Station, TX (2 grants), Richardson, TX (2 grants), Portland, ME (2 grants) and Dallas, TX (2 grants).
Does Diodes Foundation give general operating support?
Yes: 38% of Diodes Foundation's 2025 grants with a stated purpose (5 of 13) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Diodes Foundation's largest grantees?
Diodes Foundation's largest 2025 grantees include Texas A&M Foundation ($110,000 across 2 grants), The Pinnacle Learning Trust ($30,000) and Chinese Institute of Engineers USA Inc ($12,000), according to its 2025 IRS Form 990-PF. Together they received 80% of its itemized 2025 grant dollars.
How large is Diodes Foundation?
Diodes Foundation reported $12.2M in total assets on its 2025 IRS Form 990-PF. It paid out $207K in qualifying distributions that year, against a required minimum of $579K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What is Diodes Foundation?
Diodes Foundation is a private foundation focused on Education, based in Wilmington, DE. It holds $12.2M in total assets as of 2025.
What is Diodes Foundation's EIN?
Diodes Foundation's EIN (Employer Identification Number) is 87-4053108. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated November 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS September 1, 2026)
- IRS filings on file for fiscal years 2021–2024
Live grants for the work Diodes Foundation funds
Education Open opportunities, soonest deadline first.
- UK Annual Writing Award: 'Pleasure in the Task of Writing' £250 (1st prize); £50 (runners-up); books for school library · Due November 5, 2026
- Nellie Mae Event Sponsorship Fund Grant Up to US $5,000 · Due November 5, 2026
- Rubin and Gloria Feldman Family Educational Institute Up to $5,000 · Due November 5, 2026
Explore Open Grants
Browse active grant opportunities in Diodes Foundation's focus areas in our free grants database
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