The Helidoni Foundation Inc
Invitation OnlyStratham, New Hampshire · EIN 84-3852739 · Private foundation
Grants paid (2025)$627K
Organizations funded13
Typical grant$35,000
Total assets$9.9M
Half of its grants to organizations were between $12,000 and $50,000.
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.
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 New Hampshire.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Ten Million Hands | Athens, GR | School training program | $210,000 |
| Action Finance Initiative | Athens, GR | The grant will be allocated to support initiatives aimed at raising awareness about microfinance and business development services (bds) | $100,000 |
| Schema Labs | Neo Psychiko, GR | Developing and launching schema labs' flagship project | $57,500 |
| Ecogenia | Marousi, GR | To support ecogenias efforts to grow a national climate corps | $50,000 |
| World Human Forum | Athenes, GR | Inner values incubator (ivi) project | $50,000 |
| Bodossaki Foundation | Athens, GR | 8Th cycle of the points of support program | $42,954 |
| Higher Incubator Giving Growth and Sustainability | Athenes, GR | To support early social and environmental initiatives in building sustainable, revenuedriven impact models. | $35,000 |
| Astylab Astiki Mi Kerdoskopiki Etaireia | Athenes, GR | To support early entrepreneurs in an 8week program to develop ventures addressing key social and environmental challenges. | $30,000 |
| Panathenea | Athenes, GR | To deliver the panathenea festival, a studentled annual event blending technology, art, and entrepreneurship to creatively reimagine an… | $25,000 |
| Stewards | Athens, GR | General funding for the period | $12,000 |
| American College of Greece | Boston, MA | Environmental studies field course | $5,000 |
| Attikos Omilos Antisfairiseos Filotheis Tennis Club | Filothei, GR | Renovating the lockers room at aoafs premises. | $5,000 |
| Deon Policy Institute | Dorchester, MA | General funding for the period | $5,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $627,454 | 13 |
| 2024 | $610,067 | 9 |
| 2023 | $406,500 | 11 |
Sources
- IRS Form 990-PF, tax year 2025, filed Apr 7, 2026 - IRS e-file batch, object ID 202610979349100706
- IRS Tax Exempt Organization Search for EIN 84-3852739
- Profile updated Nov 5, 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.