The Greta a Rosenberg-Witt Private Foundation
Invitation OnlyAventura, Florida · EIN 65-6475171 · Private foundation
Half of its grants to organizations were between $35,990 and $35,990.
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It made more grants in Massachusetts than in any other state. The free match starts there. Set your own state and causes to see which of thousands of foundations fit you best.
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
100% of grants went outside Florida.
Where it gives most, by cause
Its largest causes in a single state on the latest return. Each page shows the leading foundations that fund the same cause there, with their largest grants.
- Health grants in Massachusetts1 of its grant, $36K · 2,425 foundations
- Mental Health grants in Massachusetts1 of its grant, $36K · 467 foundations
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Harvard Medical School | Boston, MA | Brain research & psychiatric disease | $35,990 |
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Harvard Medical School | Boston, MA | Brain research & psychiatric disease | $38,141 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $35,990 | 2 |
| 2023 | $35,636 | 2 |
| 2021 | $28,645 | 2 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 6, 2025 - IRS e-file batch, object ID 202543109349101434
- IRS Tax Exempt Organization Search for EIN 65-6475171
- Profile updated Nov 11, 2026 · Report a mistake
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.
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