The Maryland State Capitol

Form 990-PFTax year 2025EIN 52-7195462

The Robert A Waidner Foundation

A private foundation in Baltimore, MD. Its return for tax year 2025 lists 3 grants and $7.5 million 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

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

    $7,538,017

    Grants listed
    3
    Assets, end of year
    $18,531,852
  • Tax year 2024

    $239,897

    Grants listed
    1
    Assets, end of year
    $22,454,203
  • Tax year 2023

    $239,897

    Grants listed
    1
    Assets, end of year
    $19,021,305
  • Tax year 2022

    $239,897

    Grants listed
    1
    Assets, end of year
    $17,974,068
  • Tax year 2021

    $239,897

    Grants listed
    1
    Assets, end of year
    $17,586,675
  • Tax year 2020

    $6,237,332

    Grants listed
    3
    Assets, end of year
    $16,050,406

Grants paid in 2025

3 grants, largest first

As listed on the return.

  1. Dickinson CollegeCarlisle, PA

    Unrestricted

    $4,832,062
  2. GBMC Healthcare IncBaltimore, MD

    Unrestricted

    $2,416,031
  3. Baltimore Symphony OrchestaBaltimore, MD

    Unrestricted

    $289,924

Where the money goes

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

  1. Education1 grant $4,832,06267% of the total
  2. Health1 grant $2,416,03133% of the total

By State

Grants to organizations with a US address, latest year.

  1. Pennsylvania1 grant $4,832,062
  2. Maryland2 grants $2,705,955

Officers, directors and trustees

2 people as filed

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

  • Robert SloanTrustee Hours 2Pay $0
  • Frederick S KoontzTrustee Hours 2Pay $0

The return

More foundations

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Same main cause (education), giving between a quarter and four times this foundation’s where possible, nearby first.

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  2. France-Merrick Foundation IncBaltimore, MD 184 grants Accepts applications $10,056,030 giving
  3. The Abell Foundation IncBaltimore, MD 391 grants Accepts applications $13,360,002 giving
  4. Sigmund M Hyman Foundation IncBaltimore, MD 9 grants Preselected only $14,000,000 giving
  5. Leonard and Helen R Stulman CharitableBaltimore, MD 36 grants Preselected only $3,386,899 giving