George Macke and Ida Diamond Foundation
Invitation OnlyWilmington, Delaware · EIN 87-2376302 · Private foundation
Grants paid (2025)$1,000
Organizations funded2
Typical grant$500
Total assets$269K
Half of its grants to organizations were between $500 and $500.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
Where it gives
100% of grants went outside Delaware.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Charity Navigator | Harlan, IA | General & Unrestricted | $500 |
| Clear Lake Symphony at Uh Clc | Houston, TX | General & Unrestricted | $500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $1,000 | 2 |
| 2024 | $1,000 | 2 |
| 2023 | $1,500 | 2 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 6, 2026 - IRS e-file batch, object ID 202621269349101852
- IRS Tax Exempt Organization Search for EIN 87-2376302
- Profile updated Nov 7, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.