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Form 990-PFTax year 2024EIN 13-4156738

The Quercus Fund Inc

A private foundation in Palm Beach, FL. Its return for tax year 2024 lists 4 grants and $927,000 paid in grants.

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

Tax year 2024 (period ending Jul 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2024

    $927,000

    Grants listed
    4
    Assets, end of year
    $18,117,143

  • Tax year 2023

    $837,500

    Grants listed
    4
    Assets, end of year
    $17,514,947

  • Tax year 2022

    $737,500

    Grants listed
    1
    Assets, end of year
    $16,090,415

  • Tax year 2021

    $790,000

    Grants listed
    2
    Assets, end of year
    $14,904,126

  • Tax year 2020

    $630,000

    Grants listed
    2
    Assets, end of year
    $16,758,458

  • Tax year 2019

    $900,000

    Grants listed
    2
    Assets, end of year
    $14,944,774

  • Tax year 2018

    $550,000

    Grants listed
    1
    Assets, end of year
    $16,139,336

Grants paid in 2024

4 grants, largest first

As listed on the return.

  1. Fellows of Harvard CollegeBoston, MA

    Ecological research & education

    $350,000
  2. Highstead Foundation IncRedding, CT

    Research & education

    $327,000
  3. Open Medicine FoundationAgoura Hills, CA

    Healthcare research & education

    $200,000
  4. VNA Health GroupNeptune, NJ

    Nursing education

    $50,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Medical research1 grant $200,000100% of the total

By State

Grants to organizations with a US address, latest year.

  1. Massachusetts1 grant $350,000
  2. Connecticut1 grant $327,000
  3. California1 grant $200,000
  4. New Jersey1 grant $50,000

Officers, directors and trustees

7 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Elisabeth C DudleyPRESIDENT, DIRECTOR Hours 1Pay $0
  • Henry C DudleyVICE PRESIDENT, TREASURER, DIRECTOR Hours 1Pay $0
  • Sarah Dudley PlimptonVICE PRESIDENT, DIRECTOR Hours 1Pay $0
  • Jane C DudleyVICE PRESIDENT, DIRECTOR Hours 1Pay $0
  • Frank E ShanleyASSISTANT TREASURER, DIRECTOR Hours 1Pay $0
  • Irina FaymanASSISTANT SECRETARY Hours 1Pay $0
  • Christiane McNamaraASSISTANT TREASURER, SECRETARY Hours 1Pay $0

The return

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