The Gordon and Marilyn Macklin

N BETHESDA, MD EIN: 52-2205133

The Gordon and Marilyn Macklin is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in N BETHESDA, MD. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $14.3M in total assets. In 2025, it awarded 2 grants totaling $2.8M. Net investment income was $2.6M.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$14.3M

-1.7% YoY

Annual Giving

$2.8M

+30.6% YoY

Grant Count

2

-33.3% YoY

Avg Grant Size

$1.4M

+96.0% YoY

Under IRS private-foundation payout rules, The Gordon and Marilyn Macklin reported a distributable amount of $2.7M for 2025 — the minimum it must pay out in qualifying distributions.

About The Gordon and Marilyn Macklin

Based on IRS filings

The Gordon and Marilyn Macklin is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in N BETHESDA, MD. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $14.3M in total assets. In 2025, it awarded 2 grants totaling $2.8M. Net investment income was $2.6M.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

9states
+1 more states

Cities

BaltimoreBurtonsvilleGreat FallsMiamiMinneapolisNew HavenNew YorkSan DiegoTrinityWashingtonWilliamsportWinter Garden

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$847K$2M$3M$3M202020212022202320242025
Metric202520242023
Total Assets$14,312,133$14,565,997$16,075,970
Revenue$2,826,167$914,640$809,388
Expenses$3,080,031$2,424,613$2,417,905
Qualifying Distributions$2,845,539$2,194,397$2,186,918
Net Investment Income$2,602,891$691,783$586,958
Distributable Amount$2,657,282$2,388,556$2,058,396

Giving Over Time

Total grant dollars and number of grants per year

$0$696K$1M$2M$3M5 grants20205 grants20216 grants20225 grants20233 grants20242 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

JOHNS HOPKINS ATAXIA CEN…$2.2MMEDSTAR NATIONAL REHABIL…$561K

Grant Size Distribution

21 grants across all recorded years

1<$50K1$50–100K6$100–250K6$250–500K3$500K–1M4$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2025 grants, the largest include Johns Hopkins Ataxia Center ($2,223,000), Medstar National Rehabilitation Hospital ($561,103).

RecipientPurposeAmount
JOHNS HOPKINS ATAXIA CENTER BALTIMORE, MDJOHNS HOPKINS UNIVERSITY - FUNDING OF JOHNS HOPKINS ATAXIA CENTER - 2026-2030$2,223,000
MEDSTAR NATIONAL REHABILITATION HOSPITAL WASHINGTON, DC4-YEAR PEER MENTOR AND WELLNESS PROGRAM CHALLENGE GRANT FOR SPINAL CORD INJURED PATIENTS$561,103

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2025 IRS filing

DONALD D DAWNPRESIDENT, DIRECTOR$260K

From 2025 filing

NameTitleHoursCompensation
DONALD D DAWNPRESIDENT, DIRECTOR32$259,992

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is The Gordon and Marilyn Macklin?

The Gordon and Marilyn Macklin is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in N BETHESDA, MD. It holds $14.3M in total assets as of 2025.

How large is The Gordon and Marilyn Macklin?

As of 2025, The Gordon and Marilyn Macklin holds $14.3M in total assets with $2.8M in annual revenue. It awarded 2 grants totaling $2.8M in 2025.

Where does The Gordon and Marilyn Macklin operate?

The Gordon and Marilyn Macklin has awarded grants in California, Connecticut, District of Columbia, Florida, Maryland, Minnesota, New York, Pennsylvania, Virginia.

What size grants does The Gordon and Marilyn Macklin award?

In 2025, The Gordon and Marilyn Macklin awarded 2 grants totaling $2.8M — an average of about $1.4M per grant, based on its IRS Form 990 filings.

How much is The Gordon and Marilyn Macklin required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2025, The Gordon and Marilyn Macklin reported a distributable amount of $2.7M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is The Gordon and Marilyn Macklin's EIN?

The Gordon and Marilyn Macklin's EIN (Employer Identification Number) is 52-2205133. IRS Form 990 filing data is available on this page for 2020–2025.

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Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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