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Form 990-PFTax year 2025EIN 87-4187428

The Margery L Block Charitable Foundation

A private foundation in San Antonio, TX. Its return for tax year 2025 lists 10 grants and $3 million paid in grants.

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

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

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

  • Tax year 2025

    $2,975,000

    Grants listed
    10
    Assets, end of year
    $37,725,482

  • Tax year 2024

    $2,475,000

    Grants listed
    12
    Assets, end of year
    $39,393,664

  • Tax year 2023

    $533,000

    Grants listed
    3
    Assets, end of year
    $40,490,794

  • Tax year 2022

    $0

    Grants listed
    0
    Assets, end of year
    $0

Grants paid in 2025

10 grants, largest first

As listed on the return.

  1. The University of Texas MD Anderson Cancer CenterHouston, TX

    Contribution to support the innovative programs that advance patient care, research, education, and prevention.

    $1,000,000
  2. Temple Beth ElSan Antonio, TX

    Contribution to support community, worship, and learning.

    $750,000
  3. Breakthrough T1DNew York, NY

    To contribute to improving lives by accelerating breakthroughs to cure, prevent, and treat type 1 diabetes (T1D).

    $250,000
  4. Bank of America Charitable Gift Fund - Sechler FundBoston, MA

    Donor advised fund for various charitable organizations

    $150,000
  5. Bank of America Charitable Gift Fund - Zeller DafBoston, MA

    Donor advised fund for various charitable organizations

    $150,000
  6. Jewish Community Federation of Sf-Stephanie Block DafSan Fransisco, CA

    Donor advised fund for various charitable organizations

    $150,000
  7. GS Donor Advised Philanthropy Fund Paige SachsNew York, NY

    Donor advised fund for various charitable organizations

    $150,000
  8. Bank of America Charitable Gift Fund - Corey Block FundBoston, MA

    Donor advised fund for various charitable organization

    $150,000
  9. The University of Texas Health Science CenterSan Antonio, TX

    Contribution to support integration of art and to enhance the therapeutic environment for students and faculty.

    $125,000
  10. Family Violence Prevention ServicesSan Antonio, TX

    Contribution for general support

    $100,000

Where the money goes

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

  1. Health1 grant $250,00071% of the total
  2. Human services1 grant $100,00029% of the total

By State

Grants to organizations with a US address, latest year.

  1. Texas4 grants $1,975,000
  2. Massachusetts3 grants $450,000
  3. New York2 grants $400,000
  4. California1 grant $150,000

Officers, directors and trustees

5 people as filed

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

  • Allison Dreeben ZellerPRESIDENT Hours 0Pay $0
  • Lisa Dreeben SechlerVICE PRESIDENT/SECRETARY Hours 0Pay $0
  • Paige Dreeben SachsVICE PRESIDENT/ASST. TREASURER Hours 0Pay $0
  • Stephanie Leigh BlockVICE PRESIDENT/ASST. SECRETARY Hours 0Pay $0
  • Corey Alexis BlockVICE PRESIDENT/TREASURER Hours 0Pay $0

The return

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