The Gustavo Posse Foundation
Invitation OnlyBoston, Massachusetts · EIN 74-6521599 · Private foundation
Grants paid (2024)$140K
Organizations funded21
Typical grant$5,000
Total assets$2.8M
Half of its grants to organizations were between $5,000 and $10,000.
From the return
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
66% of grants went outside Massachusetts.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Utu | Fraile Muerto, UY | Education grant | $10,000 |
| The Catholic Conventode Sta | Arequipa, PE | General support | $10,000 |
| Malba - Museo de Arte Latinoamericano | Buenos Aires, AR | General support | $10,000 |
| Louvre Museum | Paris, FR | General support | $10,000 |
| Elementary School 9 | Tupambae, UY | Education grant | $10,000 |
| Catholic Archdiocese of Maldonado | Madonado, UY | General support | $10,000 |
| Buenos Aires Cricket & Rugby Club | Buenos Aires, AR | General support | $10,000 |
| Vatican Museums | Rome, IT | General support | $5,000 |
| Unhcr | Washington, DC | General support | $5,000 |
| Sociedad Rural | Arevalo, UY | General purpose | $5,000 |
| Sheldrick Wildlife Trust USA | Laguna Hills, CA | General purpose | $5,000 |
| Public Library of Town Fraile Muerto | Fraile Muerto, UY | General support | $5,000 |
| LA Vida Foundation | Lynn, MA | General purpose | $5,000 |
| Elementary School 55 | Costas de Jose, UY | Education grant | $5,000 |
| Elementary School 19 | Santa Clara de Olimar, UY | Education grant | $5,000 |
| Elementary School #100 | Cerros de Peniarol, UY | Education grant | $5,000 |
| Elementary School #89 | Pablo Paez, UY | Education grant | $5,000 |
| Elementary School #76 | Caniada Brava, UY | Education grant | $5,000 |
| Elementary School #9 | Arevalo, UY | Education grant | $5,000 |
| Elementary School #66 | Cerros de Las Centas, UY | Education grant | $5,000 |
| Elementary School #36 | Cuchilla Del Carmen, UY | Education grant | $5,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $140,000 | 21 |
| 2023 | $145,000 | 24 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 14, 2025 - IRS e-file batch, object ID 202503189349102600
- IRS Tax Exempt Organization Search for EIN 74-6521599
- Profile updated Nov 8, 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.