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Form 990-PFTax year 2025EIN 94-6065985

Margaret K Sloss Foundation

A private foundation in Santa Cruz, CA. Its return for tax year 2025 lists 1 grant and $374,795 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

    $374,795

    Grants listed
    1
    Assets, end of year
    $87,809

  • Tax year 2024

    $339,080

    Grants listed
    1
    Assets, end of year
    $34,155

  • Tax year 2023

    $127,602

    Grants listed
    1
    Assets, end of year
    $28,333

  • Tax year 2022

    $202,184

    Grants listed
    1
    Assets, end of year
    $32,829

  • Tax year 2021

    $276,087

    Grants listed
    1
    Assets, end of year
    $26,133

  • Tax year 2020

    $228,050

    Grants listed
    1
    Assets, end of year
    $35,939

  • Tax year 2019

    $164,020

    Grants listed
    1
    Assets, end of year
    $33,713

  • Tax year 2018

    $212,946

    Grants listed
    1
    Assets, end of year
    $19,720

Grants paid in 2025

1 grant, largest first

As listed on the return. Grants to individuals show as “Individual”, with purpose and amount only.

  1. Individual

    Support for public charity

    $374,795

Approved for future payment

1 grant

Approved in 2025 and not yet paid.

  1. Individual

    Support for public charity

    $92,864

Officers, directors and trustees

4 people as filed

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

  • Karen SlossPRESIDENT Hours 0Pay $0
  • Anthony SlossFIRST VP Hours 0Pay $0
  • Elizabeth Sloss2ND VP Hours 0Pay $0
  • Jeffrey SlossSECRETARY Hours 0Pay $0

The return

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