Private foundation · EIN 46-4336081 · Baltimore, Maryland · Philanthropy & grantmaking

Madeline 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: 25 grants paid, $3.7M total, median $65K. 92% of grants stayed in Maryland.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
25
$3.7M
Median grant
$65K
Stays in MD
92%
of grants
Deadline
—
Assets
$35M

Grants paid in 2025

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

RecipientPurposeAmount
Living Classrooms FoundationBaltimore, MDUnrestricted$1.1M
Chesapeake Bay FoundationAnnapolis, MDUnrestricted$679K
Baltimore Squashwise IncBaltimore, MDUnrestricted$281K
Planned Parenthood of MarylandBaltimore, MDUnrestricted$179K
Rebuild MetroBaltimore, MDUnrestricted$179K
Cristo Rey Jesuit High SchoolBaltimore, MDUnrestricted$173K
Baltimore School for the Arts FoundationBaltimore, MDUnrestricted$164K
Cylburn Arboretum AssociationBaltimore, MDUnrestricted$158K
ThreadBaltimore, MDUnrestricted$158K
Walters Art MuseumBaltimore, MDUnrestricted$102K
Center for Urban FamiliesBaltimore, MDUnrestricted$79K
International Rescue CommitteeBaltimore, MDUnrestricted$65K
The Nature ConservancyArlington, VAUnrestricted$65K
World Central KitchenWashington, DCUnrestricted$65K
Backyard Basecamp IncBaltimore, MDUnrestricted$39K
Chesapeake Outward BoundBaltimore, MDUnrestricted$39K
Soccer Without BordersBaltimore, MDUnrestricted$32K
Baltimore Abortion FundBaltimore, MDUnrestricted$25K
Bryn Mawr SchoolBaltimore, MDUnrestricted$16K
Center Stage Associates IncBaltimore, MDUnrestricted$16K
Maryland Family NetworkBaltimore, MDUnrestricted$16K
Enoch Pratt Free LibraryBaltimore, MDUnrestricted$11K
HopeBaltimore, MDUnrestricted$8,389
Irvine Natural Science CenterOwings Mills, MDUnrestricted$5,872
Chesapeake Bay FoundationAnnapolis, MDUnrestricted$1,000

By state: Maryland 23 · Virginia 1 · District of Columbia 1

About this foundation

Madeline Foundation is a private grantmaking foundation in Baltimore, Maryland, administered in care of Harry S Gruner, tax-exempt since 2015. 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 Madeline 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 Madeline Foundation give each year?

In tax year 2025 it paid $3.7M across 25 grants, a median of $65K.

Where does Madeline Foundation give?

Maryland (23 grants), Virginia (1 grants), District of Columbia (1 grants), per its latest filing.

More foundations near Baltimore that accept applications

All in Maryland
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
The Abell Foundation Incsince 1955 Baltimore, MD $13M391 grants · 2024 $20KYes $335M
France-Merrick Foundation Incsince 1967 Baltimore, MD $10M184 grants · 2024 $22KYes $193M
Robert W Deutsch Foundation Incsince 1992 Baltimore, MD $3.8M76 grants · 2024 $20KYes $136M
Jacob and Hilda Blaustein Foundation Incsince 1959 Baltimore, MD $10M220 grants · 2024 $35KYes $123M
Email me matching grants