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Form 990-PFTax year 2025EIN 46-6498939

Mary M Tanenbaum Foundation

A private foundation in New York, NY. Its return for tax year 2025 lists 4 grants and $142,500 paid in grants.

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Tax year 2025 (period ending Dec 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

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

  • Tax year 2025

    $142,500

    Grants listed
    4
    Assets, end of year
    $269,612

  • Tax year 2024

    $50,000

    Grants listed
    1
    Assets, end of year
    $321,050

  • Tax year 2023

    $50,000

    Grants listed
    1
    Assets, end of year
    $482,914

  • Tax year 2022

    $80,000

    Grants listed
    2
    Assets, end of year
    $511,681

  • Tax year 2021

    $40,000

    Grants listed
    1
    Assets, end of year
    $573,395

  • Tax year 2020

    $45,000

    Grants listed
    1
    Assets, end of year
    $596,584

  • Tax year 2019

    $35,000

    Grants listed
    1
    Assets, end of year
    $625,758

  • Tax year 2018

    $12,500

    Grants listed
    2
    Assets, end of year
    $648,873

Grants paid in 2025

4 grants, largest first

As listed on the return.

  1. Asian Art MuseumSan Francisco, CA

    Directors fund $2,500 general purpose $100,000

    $102,500
  2. Jewish Family & Children's ServiceNew York, NY

    General purpose

    $25,000
  3. Stanford UniversityStanford, CA

    Library fund

    $10,000
  4. New York Community Trust FundNew York, NY

    General purpose

    $5,000

Where the money goes

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

  1. Education1 grant $10,000100% of the total

By State

Grants to organizations with a US address, latest year.

  1. California2 grants $112,500
  2. New York2 grants $30,000

Officers, directors and trustees

1 person as filed

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

  • Ann TannenbaumPRESIDENT, TTEE Hours 0.5Pay $0

The return

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