An observatory dome on a brick building at dusk
Foundation Lookup

Grant recipient EIN 20-3431833Science and technology

Who funds Hamptons Observatory Inc?

5 private foundations gave Hamptons Observatory Inc in East Hampton, NY $60,283 across 9 grants, in tax years 2021 to 2025.

See which foundations fund work like yours Matching by cause, place and grant size

Grants listed on funders’ 990-PF returns for tax years 2021 to 2025, 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

9 grants

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

  1. The Weakley Foundation TrustSayville, NY 2025

    Program support

    $10,000
  2. Harnisch Family FoundationNew York, NY 2024

    Charitable

    $25,000
  3. Chin Ying Foundation IncSyosset, NY 2024

    General donation to support hamptons observatory daily activities,

    $100
  4. William F Harnisch Foundation IncEast Quogue, NY 2023

    General operations support

    $5,000
  5. Amazonsmile FoundationSeattle, WA 2023

    General support

    $61
  6. William F Harnisch Foundation IncEast Quogue, NY 2022

    General operations support

    $10,000
  7. Amazonsmile FoundationSeattle, WA 2022

    General support

    $69
  8. William F Harnisch Foundation IncEast Quogue, NY 2021

    General operations support

    $10,000
  9. Amazonsmile FoundationSeattle, WA 2021

    General support

    $53

Funders of similar organizations nearby

Foundations that gave to other science and technology organizations in New York and are not among Hamptons Observatory Inc’s funders above.

  1. The Bank of America Charitable Foundation IncCharlotte, NC 11 grants Accepts applications $253,150 to similar organizations
  2. JPMorgan Chase FoundationNew York, NY 21 grants Preselected only $10,630 to similar organizations
  3. The Pfizer Foundation IncNew York, NY 7 grants Preselected only $1,230 to similar organizations
  4. The Simons Foundation IncNew York, NY 15 grants Preselected only $7,700,548 to similar organizations
  5. Gates FoundationSeattle, WA 14 grants Accepts applications $10,660,236 to similar organizations
  6. Gordon E and Betty I Moore FoundationPalo Alto, CA 15 grants Preselected only $3,997,771 to similar organizations
  7. Alfred P Sloan FoundationNew York, NY 8 grants Accepts applications $1,505,686 to similar organizations
  8. The Eric and Wendy Schmidt Fund for Strategic InnovationPalo Alto, CA 3 grants Preselected only $512,500 to similar organizations

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 20-3431833 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.