Funding search · EIN 843852739 · Stratham, NH

The Helidoni Foundation

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

49
grants reported
$2.2M
total given
2022–2025
filing years
$25,000
median grant

Based on grants this organization reported to the IRS for tax years 20222025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

periodecogeniasschoolchaniacycledoridaenvironmentalpilots

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Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

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10 grants matching “period · $204,500

  • $12,000

    Stewards · 2025

    General funding for the period

  • $5,000

    Deon Policy Institute · Dorchester, MA · 2025

    General funding for the period

  • $25,000

    Stewards · 2024

    General funding for the period

  • $100,000

    Stewards · 2023

    General funding for the period

  • $5,000

    Deree Alba · Springfield, OR · 2023

    General funding for the period

  • $1,000

    Brookline Center for Community Health · Brookline, MA · 2023

    General funding for the period

  • $1,000

    Tedys Team Organization · Plainville, MA · 2023

    General funding for the period

  • $500

    Chicago Parks Foundation · Chicago, IL · 2023

    General funding for the period

  • $50,000

    Stewards · 2022

    General funding for the period

  • $5,000

    Tedys Team Organization · Plainville, MA · 2022

    General funding for the period

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

  • Ten Million Hands4 grants · $745,000
  • Ecogenia4 grants · $325,000
  • Stewards4 grants · $187,000
  • Schema Labs2 grants · $167,500
  • World Human Forum3 grants · $150,000
  • Action Finance Initiative1 grant · $100,000
  • Bodossaki Foundation2 grants · $83,021
  • Thi Via1 grant · $75,000
  • Fashion Revolution1 grant · $40,000
  • Higher Incubator Giving Growth and Sustainability1 grant · $35,000

Giving over time

$546,500
2022
$406,500
2023
$610,067
2024
$627,454
2025

Grant history

All 49 reported grants, largest first.

  • $285,000

    Ten Million Hands · 2024

    School training program

  • $210,000

    Ten Million Hands · 2025

    School training program

  • $150,000

    Ten Million Hands · 2022

    Becoming a founding donor of the organization

  • $110,000

    Schema Labs · 2024

    Developing and launching schema labs' flagship project, opencouncil

  • $100,000

    Action Finance Initiative · 2025

    The grant will be allocated to support initiatives aimed at raising awareness about microfinance and business development services (bds)

  • $100,000

    Ecogenia · 2023

    Funding a portion of ecogenias dorida & chania pilots

  • $100,000

    Stewards · 2023

    General funding for the period

  • $100,000

    Ten Million Hands · 2023

    School training program

  • $100,000

    Ecogenia · 2022

    Funding a portion of ecogenias dorida & chania pilots

  • $75,000

    Ecogenia · 2024

    Funding a portion of ecogenias dorida & chania pilots

  • $75,000

    Thi Via · Brooklyn, NY · 2022

    An unrestricted grant to further the organization's exempt purpose.

  • $57,500

    Schema Labs · 2025

    Developing and launching schema labs' flagship project

  • $50,000

    Ecogenia · 2025

    To support ecogenias efforts to grow a national climate corps

  • $50,000

    World Human Forum · 2025

    Inner values incubator (ivi) project

  • $50,000

    World Human Forum · 2024

    Eleusis symposium 2023

  • $50,000

    World Human Forum · 2023

    Eleusis symposium 2023

  • $50,000

    Stewards · 2022

    General funding for the period

  • $42,954

    Bodossaki Foundation · 2025

    8th cycle of the points of support program

  • $40,067

    Bodossaki Foundation · 2024

    7th cycle of the points of support program

  • $40,000

    Fashion Revolution · 2022

    Funding part of the fashion revolution summer school 2022

  • $35,000

    Higher Incubator Giving Growth and Sustainability · 2025

    To support early social and environmental initiatives in building sustainable, revenuedriven impact models.

  • $30,000

    Astylab Astiki Mi Kerdoskopiki Etaireia · 2025

    To support early entrepreneurs in an 8week program to develop ventures addressing key social and environmental challenges.

  • $25,000

    Panathenea · 2025

    To deliver the panathenea festival, a studentled annual event blending technology, art, and entrepreneurship to creatively reimagine an ancient tradition for modern needs.

  • $25,000

    Stewards · 2024

    General funding for the period

  • $25,000

    Cities for Cycling · 2023

    Cycle into hostory and arts

  • $25,000

    Impact Hub Labs · 2022

    Conscious consumption project

  • $20,000

    Antama · 2022

    Purposes of the project paths of life festival

  • $15,000

    Incommon · 2023

    Close the food circle" in the municipality of papagos - holargos

  • $15,000

    Istia Aigiou · 2022

    Promotional aegean cargo sailing round in 23 islands

  • $15,000

    P2p Lab Blue Greece · 2022

    Small-scale solar-powered desalination. It is built at the intersection of open-source hardware, the maker movement and community spirit.

  • $12,000

    Stewards · 2025

    General funding for the period

  • $10,000

    Elc Productions · 2024

    Funded project genia 17 (sdg4)

  • $10,000

    Scico · 2024

    Stem in tanzania

  • $10,000

    Elc Productions · 2022

    Funding a part of "genia 17" project

  • $10,000

    Eyes of Light · 2022

    Create a more dynamic and sustainable strategy for its post-pandemic presence and activities.

  • $10,000

    Incommon · 2022

    Close the food circle" in the municipality of papagos - holargos

  • $10,000

    Social Hacker Academy · 2022

    Offering 10 scholarships to greek people who reside outside of major big cities in greece. The students will participate in our 7-month blockchain career track

  • $9,000

    Istia Aigiou · 2023

    Promotional aegean cargo sailing round in 23 islands

  • $6,500

    Endrasy · 2022

    Evrostia health promotion program "i live, move, and eat right"

  • $5,000

    American College of Greece · Boston, MA · 2025

    Environmental studies field course

  • $5,000

    Attikos Omilos Antisfairiseos Filotheis Tennis Club · 2025

    Renovating the lockers room at aoafs premises.

  • $5,000

    Deon Policy Institute · Dorchester, MA · 2025

    General funding for the period

  • $5,000

    Attikos Omilos Antisfairiseos Filotheis · 2024

    The renovation of the athletes' gym

  • $5,000

    Deree Alba · Springfield, OR · 2023

    General funding for the period

  • $5,000

    Actionaid · 2022

    General operating costs of the organization

  • $5,000

    Tedys Team Organization · Plainville, MA · 2022

    General funding for the period

  • $1,000

    Brookline Center for Community Health · Brookline, MA · 2023

    General funding for the period

  • $1,000

    Tedys Team Organization · Plainville, MA · 2023

    General funding for the period

  • $500

    Chicago Parks Foundation · Chicago, IL · 2023

    General funding for the period

Who else funds this kind of work

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Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.