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Grant recipient EIN 27-3518399Philanthropy and grantmaking

Who funds Marathon Foundation?

2 private foundations gave Marathon Foundation in San Antonio, TX $11,471 across 3 grants, in tax years 2017 to 2024.

Grants listed on funders’ 990-PF returns for tax years 2017 to 2024, read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Grants received by year

Grants from private foundations by the funder’s tax year. The latest year is in blue; it is not complete until all its returns reach the IRS.

Every foundation grant, by year

3 grants

Each line as the funder listed it on its return, newest year first, then largest.

  1. Holt Atherton Educational FoundationSan Antonio, TX 2024

    General funds

    $500
  2. The HM FoundationSan Antonio, TX 2018

    General endowment

    $471
  3. The HM FoundationSan Antonio, TX 2017

    General endowment

    $10,500

Funders of similar organizations nearby

Foundations that gave to other philanthropy and grantmaking organizations in San Antonio, TX and are not among Marathon Foundation’s funders above.

  1. Amazonsmile FoundationSeattle, WA 163 grants Preselected only $18,420 to similar organizations
  2. The Bank of America Charitable Foundation IncCharlotte, NC 15 grants Accepts applications $226,836 to similar organizations
  3. 80-20 FoundationSan Antonio, TX 13 grants Accepts applications $4,574,327 to similar organizations
  4. Harvey E Najim Charitable FoundationSan Antonio, TX 27 grants Accepts applications $2,008,200 to similar organizations
  5. Nancy Smith Hurd FoundationSan Antonio, TX 8 grants Accepts applications $862,000 to similar organizations
  6. Muriel F Siebert Foundation IncSouthampton, NY 6 grants Preselected only $63,195 to similar organizations
  7. The Ewing Halsell FoundationSan Antonio, TX 26 grants Accepts applications $6,140,000 to similar organizations
  8. Genevieve & Ward Orsinger FoundationSan Antonio, TX 6 grants Preselected only $316,200 to similar organizations

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 27-3518399 by name and ZIP code against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.