The Pennsylvania State Capitol
Foundation Lookup

Form 990-PFTax year 2025EIN 61-1633896

The Millbrook Foundation

A private foundation in Gladwyne, PA. Its return for tax year 2025 lists 2 grants and $15,000 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. It still lists the details below.

Contact
Laura Tseng
1010 Black Rock Road
Gladwyne, PA 19035
(215) 750-7884
Form and materials
Applicant own letter describing charitable or exempt purpose.
Deadlines
None
Restrictions
None provided that the organization qualifies under irc section 501(c)(3).

Assets and giving by year

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

  • Tax year 2025

    $15,000

    Grants listed
    2
    Assets, end of year
    $58,282

  • Tax year 2024

    $10,000

    Grants listed
    2
    Assets, end of year
    $68,871

  • Tax year 2023

    $0

    Grants listed
    0
    Assets, end of year
    $75,737

  • Tax year 2022

    $5,000

    Grants listed
    1
    Assets, end of year
    $75,278

  • Tax year 2021

    $5,000

    Grants listed
    1
    Assets, end of year
    $76,660

  • Tax year 2020

    $5,000

    Grants listed
    1
    Assets, end of year
    $78,218

  • Tax year 2019

    $5,000

    Grants listed
    1
    Assets, end of year
    $83,242

  • Tax year 2018

    $5,000

    Grants listed
    1
    Assets, end of year
    $85,043

Grants paid in 2025

2 grants, largest first

As listed on the return.

  1. International AIDS Vaccine Initiative IncNew York, NY

    Unrestricted

    $10,000
  2. PhilabundancePhiladelphia, PA

    Unrestricted

    $5,000

Where the money goes

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

  1. International aid1 grant $10,00067% of the total
  2. Food and agriculture1 grant $5,00033% of the total

By State

Grants to organizations with a US address, latest year.

  1. New York1 grant $10,000
  2. Pennsylvania1 grant $5,000

Officers, directors and trustees

4 people as filed

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

  • Laura TsengPRESIDENT Hours 0Pay $0
  • Trey KatzenbachVICE PRESIDENT Hours 0Pay $0
  • Laura TsengTREASURER Hours 0Pay $0
  • Laura TsengSECRETARY Hours 0Pay $0

The return

More foundations

Similar foundations

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

  1. The Kalan FoundationGladwyne, PA 25 grants Accepts applications $53,800 giving
  2. The LighthousePittsburgh, PA 1 grant Preselected only $14,996 giving
  3. Erik T Hostvedt FoundationPipersville, PA 4 grants Accepts applications $15,325 giving
  4. Norman and Rosalie Cohen Family FoundationPhiladelphia, PA 5 grants Preselected only $14,607 giving
  5. Kaplan Family Charitable Trust 4827Honesdale, PA 1 grant Preselected only $15,692 giving