Form 990-PF for tax year 2024

Totals

Total revenue

$14,595,246

Total expenses

$3,492,312

Contributions and grants received

— not reported

Contributions, gifts and grants paid

$1,401,103

Fair market value of assets, end of year

$270,354,769

Listed in Part VIII

Compensation is as filed in Part VIII of the Form 990-PF: compensation, contributions to benefit plans, expense account, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total.

Grants paid on this return

Grants paid, cash basis (Part I, line 25, column (d))

$1,393,579

As filed, and sometimes filed as 0.

Grants paid, Part XV total (line 3a)

$1,401,103

The foundation's own total of the grants it itemizes.

These are the grants the foundation paid during the year. The “Contributions, gifts and grants paid” total above is the figure on the foundation's books. This return marks the cash method, under which a grant is recorded when it is paid. Even so, the books total and the cash figures in this section can differ, and column (d) is sometimes filed as 0.

• LANDON SCHOOL

  $386,845

  BETHESDA, MD

  GENERAL PURPOSE - GRANT MADE IN PUBLICLY TRADED STOCK

• LANDON SCHOOL

  $244,183

  BETHESDA, MD

  GENERAL PURPOSE - GRANT MADE IN PUBLICLY TRADED STOCK

• LANDON SCHOOL

  $235,614

  BETHESDA, MD

  GENERAL PURPOSE - GRANT MADE IN PUBLICLY TRADED STOCK

• LANDON SCHOOL

  $209,257

  BETHESDA, MD

  GENERAL PURPOSE - GRANT MADE IN PUBLICLY TRADED STOCK

• SMITHSONIAN INSTITUTION

  $200,871

  WASHINGTON, DC

  GENERAL PURPOSE - GRANT MADE IN PUBLICLY TRADED STOCK

• LANDON SCHOOL

  $112,680

  BETHESDA, MD

  GENERAL PURPOSE - GRANT MADE IN PUBLICLY TRADED STOCK

• LANDON SCHOOL

  $7,524

  BETHESDA, MD

  GENERAL PURPOSE

• LANDON SCHOOL

  $4,129

  BETHESDA, MD

  GENERAL PURPOSE - GRANT MADE IN PUBLICLY TRADED STOCK

Provenance

Return type

form_990_pf

Tax year

2024

Filed

12 November 2025

IRS schema version

2024v5.2

Source object

202543219349101704

Check it against the return as filed: the GivingTuesday Data Lake hosts a public copy of the original XML.

The source document this was parsed from is served over the API, which is where bulk and document access live.