Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Jun 2025.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
What each dollar paid for.
Form 990-PF Part I, lines 24–26. Every line is in By the numbers.
Something off? Claim to add context
Who runs it and what they're paid
1 person listed on the 990-PF.
Programs and updates
A private foundation based in Wilmington, DE.
Questions for The Rhombus Foundation
Your first name shows with your question. The Rhombus Foundation answers here, for everyone.
Grants and how to apply
Who it funds, and how to ask.
Who They Fund
Grantmaking Profile
By the numbers
The FY2025 990-PF, line by line.
Download 990
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest ViewingFiled with the IRS Jun 12, 2026 | $28K | $359K | −$331K | $649K | 990 PDF |
| FY2024Filed with the IRS May 9, 2025 | $1000K | $19K | $980K | $980K | 990 PDF |
Schedules filed Part IV
Form 990 e-file FY2025 from the IRS (about our sources) · Classification, formation year and address from the IRS Business Master File
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