Private foundation · EIN 65-0350358 · Wilmington, Delaware

Margaret Q Landenberger Research Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 9 grants paid, $1.0M total, median $100K.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
9
$1.0M
Median grant
$100K
Stays in DE
—
of grants
Deadline
—
Assets
$17M

Grants paid in 2025

9 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
Massachusetts General HospitalBoston, MAResearch support$200K
Children's Hospital of PhiladelphiaPhiladelphia, PAResearch support$100K
Drexel UniversityPhiladelphia, PAGeneral support$100K
John's Hopkins University School of MedicineBaltimore, MDGeneral purpose$100K
The Wistar InstitutePhiladelphia, PAGeneral purpose$100K
Thomas Jefferson UniversityPhiladelphia, PAResearch support$100K
University of PennsylvaniaPhiladelphia, GAResearch support$100K
University of RochesterRochester, NYGeneral purpose$100K
University of WisconsinMadison, WIResearch support$100K

By state: Pennsylvania 4 · Massachusetts 1 · Maryland 1 · Georgia 1 · New York 1 · Wisconsin 1

About this foundation

Margaret Q Landenberger Research Foundation is a private grantmaking foundation in Wilmington, Delaware, administered in care of Brown Brothers Harriman Tr Co LLC, tax-exempt since 1992. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Margaret Q Landenberger Research Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Margaret Q Landenberger Research Foundation give each year?

In tax year 2025 it paid $1.0M across 9 grants, a median of $100K.

Where does Margaret Q Landenberger Research Foundation give?

Pennsylvania (4 grants), Massachusetts (1 grants), Maryland (1 grants) and elsewhere, per its latest filing.

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