Grants paid by The Gordon and Marilyn Macklin Foundation Inc
EIN 52-2205133 · Great Falls, MD · Form 990-PF, Part XV · NTEE T22
The Gordon and Marilyn Macklin Foundation Inc of Great Falls, MD (EIN 52-2205133) reported 37 grants paid totaling $16,066,742 to 17 recipients in tax years 2018–2025, on Form 990-PF, Part XV. It also reported $1,685,750 approved for future payment, which is listed separately and not included in the total. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$16,066,742
37 grants
Recipients
17
distinct organizations
Tax years
2018–2025
8 filings in the corpus
Approved for future payment
$1,685,750
8 commitments · not included in grants paid
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 6 | $1,607,500 | $455,750 |
| 2019 | 5 | $1,725,500 | $85,000 |
| 2020 | 5 | $1,880,000 | $145,000 |
| 2021 | 5 | $2,177,553 | — |
| 2022 | 6 | $1,634,036 | — |
| 2023 | 5 | $2,127,043 | $1,000,000 |
| 2024 | 3 | $2,131,007 | — |
| 2025 | 2 | $2,784,103 | — |
Top recipients
The 17 recipients receiving the most from The Gordon and Marilyn Macklin Foundation Inc, by grants paid, out of 17 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Rady Childrens Hospital Foundation | U | San Diego, CA | 8 | $5,141,724 | 2024 |
| Johns Hopkins University | U | Baltimore, MD | 4 | $2,576,000 | 2020 |
| Johns Hopkins Ataxia Center | U | Baltimore, MD | 1 | $2,223,000 | 2025 |
| The National Ataxia Foundation 41-0832903 | C | Minneapolis, MN | 6 | $1,670,043 | 2023 |
| Montgomery College Foundation 52-1267008 | B | Rockville, MD | 1 | $1,220,000 | 2019 |
| Medstar National Rehabilitation Hospital | U | Washington, DC | 2 | $609,103 | 2025 |
| Worldwide Orphans Foundation | U | New York, NY | 2 | $568,783 | 2024 |
| Medstar National Rehabiliation Hospital | U | Washington, DC | 2 | $566,053 | 2021 |
| Center for Adoption Support and Education 52-2100734 | B | Burtonsville, MD | 1 | $400,000 | 2022 |
| Selective Mutism Association 65-0946164 | C | Trinity, FL | 3 | $362,000 | 2022 |
| Yale University | U | New Haven, CT | 1 | $300,000 | 2023 |
| Florida International University Foundation 23-7047106 | B | Miami, FL | 1 | $177,379 | 2022 |
| Medstar National Rehabilitation Network | U | Washington, DC | 1 | $120,000 | 2018 |
| Lift Me Up Inc 51-0187545 | B | Great Falls, VA | 1 | $62,657 | 2022 |
| Medstar Health Inc | U | Washington, DC | 1 | $50,000 | 2020 |
| Little League Baseball Inc | U | Williamsport, PA | 1 | $10,000 | 2021 |
| Kawasaki Disease Foundation 04-3536123 | C | Ipswich, MA | 1 | $10,000 | 2018 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 45 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Johns Hopkins Ataxia Center Baltimore, MD | U | $2,223,000 | paid | JOHNS HOPKINS UNIVERSITY - FUNDING OF JOHNS HOPKINS ATAXIA CENTER - 2026-2030 | 202523459349100012 |
| 2025 | Medstar National Rehabilitation Hospital Washington, DC | U | $561,103 | paid | 4-YEAR PEER MENTOR AND WELLNESS PROGRAM CHALLENGE GRANT FOR SPINAL CORD INJURED PATIENTS | 202523459349100012 |
| 2024 | Rady Childrens Hospital Foundation San Diego, CA | U | $1,000,000 | paid | ENDOWED CHAIR IN KAWASAKI DISEASE CARE AND RESEARCH | 202403269349100005 |
| 2024 | Rady Childrens Hospital Foundation San Diego, CA | U | $862,224 | paid | 3-YEAR KAWASAKI DISEASE RESEARCH CHALLENGE GRANT - CELL-FREE RNA SIGNATURES FOR DIAGNOSIS OF KAWASAKI DISEASE | 202403269349100005 |
| 2024 | Worldwide Orphans Foundation New York, NY | U | $268,783 | paid | CHALLENGE GRANT TO PROVIDE TRAUMA RELATED SERVICES | 202403269349100005 |
| 2023 | Rady Childrens Hospital Foundation San Diego, CA | U | $1,000,000 | paid | 50% OF ENDOWED CHAIR IN KAWASAKI DISEASE CARE AND RESEARCH | 202313539349100001 |
| 2023 | Rady Childrens Hospital Foundation San Diego, CA | U | $1,000,000 | approved, future | 50% OF ENDOWED CHAIR IN KAWASAKI DISEASE CARE AND RESEARCH | 202313539349100001 |
| 2023 | The National Ataxia Foundation Minneapolis, MN | C | $612,043 | paid | 3-YEAR CHALLENGE ATAXIA RESEARCH GRANT FUNDING. MRI IMAGING FOR CLINICAL RESEARCH CONSORTIUM SPINAL CEREBELLAR ATAXIA | 202313539349100001 |
| 2023 | Yale University New Haven, CT | U | $300,000 | paid | 3-YEAR CHALLENGE GRANT - COMPUTATIONAL GENOMICS IN KAWASAKI DISEASE | 202313539349100001 |
| 2023 | Rady Childrens Hospital Foundation San Diego, CA | U | $115,000 | paid | ADULT KAWASAKI DISEASE LONG TERM STUDY | 202313539349100001 |
| 2023 | Rady Childrens Hospital Foundation San Diego, CA | U | $100,000 | paid | 2-YEAR CHALLENGE GRANT - IMMUNOLOGICAL DIFFERENCES IN CHILDREN WITH KAWASAKI DISEASE | 202313539349100001 |
| 2022 | The National Ataxia Foundation Minneapolis, MN | C | $450,000 | paid | 3-YEAR CHALLENGE ATAXIA RESEARCH GRANT FUNDING | 202310129349100246 |
| 2022 | Center for Adoption Support and Education Burtonsville, MD | B | $400,000 | paid | CHALLENGE GRANT TRAINING FOR SCHOOL-BASED MENTAL HEALTH PROFESSIONALS | 202310129349100246 |
| 2022 | Worldwide Orphans Foundation New York, NY | U | $300,000 | paid | CHALLENGE GRANT TO PROVIDE TRAUMA RELATED SERVICES TO CHILDREN IN UKRAINE | 202310129349100246 |
| 2022 | Selective Mutism Association Winter Garden, FL | B | $244,000 | paid | SUPPORT FOR VARIOUS PROJECTS AND INITIATIVES | 202310129349100246 |
| 2022 | Florida International University Foundation Miami, FL | B | $177,379 | paid | TO SUPPORT LONGITUDINAL CLINICAL OUTCOMES OF YOUTH WITH SELECTIVE MUTISM RESEARCH | 202310129349100246 |
| 2022 | Lift Me Up Inc Great Falls, VA | B | $62,657 | paid | PURCHASE OF EQUIPMENT AND FUNDING OF VARIOUS PROJECTS | 202310129349100246 |
| 2021 | Rady Childrens Hospital Foundation San Diego, CA | U | $1,401,500 | paid | KAWASAKI DISEASE RESEARCH CHALLENGE GRANT | 202240129349101504 |
| 2021 | Medstar National Rehabiliation Hospital Washington, DC | U | $431,053 | paid | SPINAL CORD INJURY - PEER MENTOR AND WELLNESS PROGRAM CHALLENGE GRANT | 202240129349101504 |
| 2021 | Rady Childrens Hospital Foundation San Diego, CA | U | $200,000 | paid | KAWASAKI DISEASE LONG TERM OUTCOMES RESEARCH | 202240129349101504 |
| 2021 | Medstar National Rehabiliation Hospital Washington, DC | U | $135,000 | paid | NEUROLOGIC WELLNESS PROGRAM MATCH | 202240129349101504 |
| 2021 | Little League Baseball Inc Williamsport, PA | U | $10,000 | paid | TO SUPPORT YOUTH BASEBALL IN PORT CHARLOTTE, FLORIDA | 202240129349101504 |
| 2020 | Johns Hopkins University Baltimore, MD | U | $1,627,000 | paid | ATAXIA CLINIC | 202140359349100514 |
| 2020 | Medstar National Rehabiliation Hospital Washington, DC | U | $135,000 | approved, future | NEUROLOGIC WELLNESS PROGRAM | 202140359349100514 |
| 2020 | The National Ataxia Foundation Minneapolis, MN | C | $100,000 | paid | BRAND STRATEGY AND WEBSITE DEVELOPMENT | 202140359349100514 |
| 2020 | Selective Mutism Association Trinity, FL | C | $68,000 | paid | WEBSITE, MARKETING, SOCIAL MEDIA DEVELOPMENT | 202140359349100514 |
| 2020 | Medstar Health Inc Washington, DC | U | $50,000 | paid | COVID EMERGENCY ASSOCIATE FUND | 202140359349100514 |
| 2020 | The National Ataxia Foundation Minneapolis, MN | C | $35,000 | paid | RESEARCH FUNDS DRIVE MATCH | 202140359349100514 |
| 2020 | Little League Baseball Inc Williamsport, PA | U | $10,000 | approved, future | SUPPORT YOUTH BASEBALL | 202140359349100514 |
| 2019 | Montgomery College Foundation Rockville, MD | B | $1,220,000 | paid | CREATION OF A FINANCE LABORATORY | 202012329349100311 |
| 2019 | Johns Hopkins University Baltimore, MD | U | $250,000 | paid | SPINAL FUSION LABORATORYSPINAL FUSION LABORATORY | 202012329349100311 |
| 2019 | The National Ataxia Foundation Minneapolis, MN | C | $157,500 | paid | CLINICAL RESEARCH CONSORTIUM | 202012329349100311 |
| 2019 | Medstar Health Inc Columbia, MD | B | $50,000 | approved, future | ASSOCIATE EMERGENCY SUPPORT FUND CONTRIBUTION | 202012329349100311 |
| 2019 | Selective Mutism Association Trinity, FL | C | $50,000 | paid | SUPPORT GRANT | 202012329349100311 |
| 2019 | Medstar National Rehabilitation Hospital Washington, DC | U | $48,000 | paid | SPINAL CORD INJURY, PEER MENTOR AND WELLNESS PROGRAM | 202012329349100311 |
| 2019 | The National Ataxia Foundation Minneapolis, MN | C | $35,000 | approved, future | ATAXIA RESEARCH MATCHING CONTRIBUTION | 202012329349100311 |
| 2018 | Rady Childrens Hospital Foundation San Diego, CA | U | $463,000 | paid | KAWASAKI DISEASE RESEARCH | 201932289349100503 |
| 2018 | Johns Hopkins University Baltimore, MD | U | $449,000 | paid | ATAXIA CENTER | 201932289349100503 |
| 2018 | The National Ataxia Foundation Minneapolis, MN | C | $315,500 | paid | RESEARCH | 201932289349100503 |
| 2018 | Johns Hopkins University Baltimore, MD | U | $250,000 | approved, future | SPINAL FUSION RESEARCH, CONTINGENT MATCHING GRANT | 201932289349100503 |
| 2018 | Johns Hopkins University Baltimore, MD | U | $250,000 | paid | SPINAL FUSION LABORATORY | 201932289349100503 |
| 2018 | The National Ataxia Foundation Minneapolis, MN | C | $157,750 | approved, future | RESEARCH | 201932289349100503 |
| 2018 | Medstar National Rehabilitation Network Washington, DC | U | $120,000 | paid | SPINAL CORD INJURY, PEER MENTOR AND WELLNESS PROGRAM | 201932289349100503 |
| 2018 | Medstar Health Inc Columbia, MD | B | $48,000 | approved, future | SPINAL CORD INJURY, PEER MENTOR AND WELLNESS PROGRAM, CONTINGENT MATCHING GRANT | 201932289349100503 |
| 2018 | Kawasaki Disease Foundation Ipswich, MA | C | $10,000 | paid | KAWASAKI DISEASE RESEARCH | 201932289349100503 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-10-31 | not stated | 2024v5.2 | 202523459349100012 |
| 990PF | 2024 | 2024-10-31 | not stated | 2023v5.1 | 202403269349100005 |
| 990PF | 2023 | 2023-10-31 | not stated | 2022v5.0 | 202313539349100001 |
| 990PF | 2022 | 2022-10-31 | not stated | 2021v4.2 | 202310129349100246 |
| 990PF | 2021 | 2021-10-31 | not stated | 2020v4.1 | 202240129349101504 |
| 990PF | 2020 | 2020-10-31 | not stated | 2019v5.1 | 202140359349100514 |
| 990PF | 2019 | 2019-10-31 | not stated | 2018v3.2 | 202012329349100311 |
| 990PF | 2018 | 2018-10-31 | not stated | 2017v2.3 | 201932289349100503 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/522205133.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.