George Macke and Ida Diamond Foundation
George Macke and Ida Diamond Foundation is a private foundation, based in Wilmington, DE. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $238K in total assets. In 2025, it awarded 2 grants totaling $1K. Net investment income was $8K.
George Macke and Ida Diamond Foundation at a glance
In short: George Macke and Ida Diamond Foundation gave $1K across 2 grants in 2025 (avg $500), mostly in Iowa. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,000
- +0.0% vs 2024
- Grants made (2025)
- 2
- +0.0% vs 2024
- Average grant
- $500
- +0.0% vs 2024
- Median grant
- $500
- Total assets
- $237,807
- -0.6% vs 2024
- Primary geography
- Iowa (50% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who George Macke and Ida Diamond Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
The largest 2025 recipient was Charity Navigator ($500). Together the top 2 received $1K.
Grant Size Distribution
7 grants across all recorded years
The most common grant size was under $50K: 7 grants of 7 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
Cities
How George Macke and Ida Diamond Foundation gives
- Giving grew 100% from 2022 to 2025. Method
- In 2025 it paid out 77% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2025, annual grant giving ranged from $500 (2022) to $2K (2023). In 2025 it made 2 grants totaling $1K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Charity Navigator Harlan, IA | General & Unrestricted | $500 |
| Clear Lake Symphony at Uh CLC Houston, TX | General & Unrestricted | $500 |
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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 | $237,807 | $8,256 | $9,801 | $1,000 | 2 | $9,801 | $8,256 | $12,658 |
| 2024 | $239,352 | $8,563 | $11,659 | $1,000 | 2 | $11,659 | $8,563 | $12,461 |
| 2023 | $242,897 | $11,154 | $8,178 | $1,500 | 2 | $7,746 | $11,154 | $10,808 |
| 2022 | $239,472 | $14,505 | $8,700 | $500 | 1 | $8,700 | $14,505 | $10,405 |
| 2021 | $233,667 | $242,914 | $9,247 | — | — | $6,947 | $160,414 | $1,170 |
Under IRS private-foundation payout rules, George Macke and Ida Diamond Foundation reported a distributable amount of $13K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
George Macke and Ida Diamond Foundation is led by George Macke, Director, President, Secretary & Treasurer on every filing since 2021; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
George Macke
Director, President, Secretary & Treasurer
On filings since 2021
1 hr/week
No compensation reported
Ida Diamond
Director & Vice President
On filings since 2021
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 George Macke and Ida Diamond Foundation
How much does George Macke and Ida Diamond Foundation give each year?
George Macke and Ida Diamond Foundation gave $1K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1K across 2 grants.
How large is George Macke and Ida Diamond Foundation?
George Macke and Ida Diamond Foundation reported $238K in total assets on its 2025 IRS Form 990-PF. It paid out $10K in qualifying distributions that year, against a required minimum of $13K (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.
Where does George Macke and Ida Diamond Foundation operate?
George Macke and Ida Diamond Foundation has awarded grants in Iowa, Texas.
What is George Macke and Ida Diamond Foundation's EIN?
George Macke and Ida Diamond Foundation's EIN (Employer Identification Number) is 87-2376302. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 10, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS April 11, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS October 31, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS April 25, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 6, 2026)
- IRS filings on file for fiscal years 2021–2024
Live grants for the work George Macke and Ida Diamond Foundation funds
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