The California State Capitol

Form 990-PFTax year 2025EIN 83-2768216

The TD & Ab Foundation

A private foundation in Menlo Park, CA. Its return for tax year 2025 lists 1 grant and $110,000 paid in grants.

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

7 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $110,000

    Grants listed
    1
    Assets, end of year
    $3,186,470
  • Tax year 2024

    $83,500

    Grants listed
    1
    Assets, end of year
    $2,935,233
  • Tax year 2023

    $83,000

    Grants listed
    1
    Assets, end of year
    $2,262,404
  • Tax year 2022

    $82,500

    Grants listed
    1
    Assets, end of year
    $1,607,474
  • Tax year 2021

    $40,000

    Grants listed
    2
    Assets, end of year
    $2,234,104
  • Tax year 2020

    $1,000

    Grants listed
    1
    Assets, end of year
    $1,911,178
  • Tax year 2019

    $57,000

    Grants listed
    1
    Assets, end of year
    $1,274,542

Grants paid in 2025

1 grant, largest first

As listed on the return.

  1. Stanford UniversityStanford, CA

    Education

    $110,000

Where the money goes

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

  1. Education1 grant $110,000100% of the total

By State

Grants to organizations with a US address, latest year.

  1. California1 grant $110,000

Officers, directors and trustees

2 people as filed

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

  • Thomas C DefilippsPRESIDENT, CEO & CHAIRMAN Hours 0.5Pay $0
  • Ann BaskinsVICE PRESIDENT, SECRETARY, TREASURER Hours 0.5Pay $0

The return

More foundations

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  5. The Daro Foundation IncMenlo Park, CA 26 grants Preselected only $407,600 giving