Grants paid by Harry & Beatrice Sley Foundation
EIN 23-6391020 · Bethesda, MD · Form 990-PF, Part XV
Harry & Beatrice Sley Foundation of Bethesda, MD (EIN 23-6391020) reported 106 grants paid totaling $301,913 to 58 recipients in tax years 2018–2025, on Form 990-PF, Part XV. It also reported $1,000 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
$301,913
106 grants
Recipients
58
distinct organizations
Tax years
2018–2025
8 filings in the corpus
Approved for future payment
$1,000
1 commitment · not included in grants paid
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 14 | $32,700 | — |
| 2019 | 16 | $33,850 | — |
| 2020 | 19 | $35,450 | — |
| 2021 | 12 | $33,150 | $1,000 |
| 2022 | 11 | $35,100 | — |
| 2023 | 14 | $41,738 | — |
| 2024 | 9 | $40,275 | — |
| 2025 | 11 | $49,650 | — |
Top recipients
The 58 recipients receiving the most from Harry & Beatrice Sley Foundation, by grants paid, out of 58 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| The Kennedy Center 99-3411032 | C | Washington, DC | 7 | $118,713 | 2024 |
| Duke University 22-3114978 | B | Durham, NC | 5 | $30,000 | 2022 |
| Giffords Law Center | U | Washington DC, DC | 1 | $21,500 | 2025 |
| Church of the Redeemer | U | Gaithersburg, MD | 2 | $20,000 | 2025 |
| Washington Hebrew Congregation | U | Washington, DC | 6 | $18,950 | 2023 |
| US Holocaust Memorial Museum | U | Washington, DC | 2 | $11,200 | 2025 |
| International Myeloma Foundation 95-4296919 | B | Studio City, CA | 1 | $9,250 | 2025 |
| Friends of Israel Defense Forces | U | Brooklyn, NY | 1 | $8,000 | 2023 |
| United States Holocaust Memorial Museum | U | Washington DC, DC | 1 | $5,000 | 2023 |
| Imagination Stage 52-1164889 | B | Bethesda, MD | 4 | $5,000 | 2023 |
| Pioneersorg | U | Orlando, FL | 2 | $4,000 | 2022 |
| The Lukemia & Lymphoma Society | U | Washington, DC | 2 | $4,000 | 2019 |
| Pioneers Org | U | Orlando, FL | 2 | $4,000 | 2021 |
| The Leukemia & Lymphona Society | U | Washington, DC | 2 | $4,000 | 2022 |
| Anti-Defamation League | U | Washington DC, DC | 2 | $3,600 | 2024 |
| Cystic Fibrosis Foundation 13-1930701 | B | Bethesda, MD | 6 | $3,100 | 2024 |
| Manassas Ballet Theatre | U | Manassas, VA | 4 | $3,000 | 2025 |
| First Descents 81-0539964 | C | Denver, CO | 4 | $2,500 | 2022 |
| Maccabi USA 13-1810938 | B | Phildelphia, PA | 3 | $2,500 | 2023 |
| Alzheimers Association 31-1815826 | D | Lutherville, MD | 6 | $2,150 | 2025 |
| Leukemia and Lymphoma Society | U | Washington, DC | 1 | $2,000 | 2020 |
| Pioneers 52-1206938 | B | Orlando, FL | 1 | $2,000 | 2018 |
| Sibley Memorial Hospital Foundation 45-0562642 | B | Washington, DC | 1 | $1,500 | 2018 |
| US Holocaust Memorial Muesum | U | Washington, DC | 3 | $1,450 | 2020 |
| Colorectal Cancer Alliance 86-0947831 | B | Washington, DC | 1 | $1,200 | 2019 |
| The Lab School | U | Washington DC, DC | 1 | $1,100 | 2025 |
| Jewish Women's International 52-6040461 | C | Washington, DC | 1 | $1,000 | 2022 |
| Manassas Performing Arts Inc 54-1244590 | B | Manassas, VA | 1 | $1,000 | 2020 |
| Alzheimers Drug Discovery Foundation 20-1082179 | B | New York, NY | 2 | $1,000 | 2019 |
| Mclean Project for the Arts 52-1374407 | B | Mclean, VA | 2 | $700 | 2024 |
| The Defiant Requiem Foundation 26-3238489 | B | Washington, DC | 2 | $700 | 2025 |
| The Washington Ballet 52-0846173 | B | Washington, DC | 1 | $650 | 2018 |
| The Morgan Pressel Foundation 27-2854677 | B | Boca Raton, FL | 1 | $600 | 2023 |
| Main Street Connect 81-5280080 | C | Rockville, MD | 1 | $600 | 2018 |
| Cabin John Park Volunteer Fire Dept 52-0707953 | D | Bethesda, MD | 1 | $500 | 2020 |
| Washington National Opera 53-0237707 | C | Washington, DC | 1 | $500 | 2019 |
| St Jude's Children's Hospital | U | Arlington, VA | 1 | $500 | 2020 |
| Hospice of the Chesapeake 52-1181448 | B | Pasadena, MD | 1 | $500 | 2022 |
| Rockville Jcc 33-2445553 | D | Rockville, MD | 1 | $500 | 2021 |
| Cystic Fibrosis Foundationa | U | Bethesda, MD | 1 | $500 | 2021 |
| Salvation Army | U | Towson, MD | 1 | $350 | 2019 |
| The Hands of Love Foundation 26-2832041 | B | Marietta, GA | 1 | $325 | 2023 |
| Mclean School 52-1117092 | D | Potomac, MD | 1 | $250 | 2020 |
| National Jewish Health 74-2044647 | B | Denver, CO | 1 | $250 | 2019 |
| National Jewish Health | U | New York, NY | 1 | $200 | 2020 |
| We Will Survive Cancer 27-0463904 | B | Alexandria, VA | 1 | $200 | 2019 |
| National Ms Society | U | Washington, DC | 1 | $150 | 2019 |
| Hospice of Charles County | U | Waldorf, MD | 1 | $150 | 2019 |
| American Heart Association | U | Glen Allen, VA | 1 | $150 | 2018 |
| Washington Opera Society 47-5123474 | B | Washington, DC | 1 | $125 | 2024 |
| St Jude Childrens Research Hospital 62-0646012 | B | Memphis, TN | 1 | $100 | 2025 |
| Humane Society of New York 13-1624041 | B | New York, NY | 1 | $100 | 2024 |
| Washington International Piano Arts Council 61-1426920 | B | Fairfax, VA | 1 | $100 | 2023 |
| Chesapeake Bay Foundation 52-6065757 | B | Annapolis, MD | 1 | $100 | 2020 |
| World Wildlife Fund | U | San Francisco, CA | 1 | $100 | 2025 |
| World Wildlife Fund 52-1693387 | B | Washington, DC | 1 | $100 | 2020 |
| Guide Dogs for the Blind 94-1196195 | C | San Rafael, CA | 1 | $100 | 2020 |
| The Ivymount School 52-1195527 | B | Rockville, MD | 1 | $100 | 2025 |
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 107 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Giffords Law Center Washington DC, DC | U | $21,500 | paid | General | 202631049349101308 |
| 2025 | Church of the Redeemer Gaithersburg, MD | U | $10,000 | paid | General | 202631049349101308 |
| 2025 | International Myeloma Foundation Studio City, CA | B | $9,250 | paid | General | 202631049349101308 |
| 2025 | US Holocaust Memorial Museum Washington DC, DC | U | $5,500 | paid | General | 202631049349101308 |
| 2025 | The Lab School Washington DC, DC | U | $1,100 | paid | General | 202631049349101308 |
| 2025 | Manassas Ballet Theatre Manassas, VA | U | $1,000 | paid | General | 202631049349101308 |
| 2025 | Defiant Requim Foundation Washington DC, DC | C | $500 | paid | General | 202631049349101308 |
| 2025 | Alzheimers Association Lutherville, MD | D | $500 | paid | General | 202631049349101308 |
| 2025 | St Jude Childrens Research Hospital Memphis, TN | B | $100 | paid | General | 202631049349101308 |
| 2025 | World Wildlife Fund San Francisco, CA | U | $100 | paid | General | 202631049349101308 |
| 2025 | The Ivymount School Rockville, MD | B | $100 | paid | General | 202631049349101308 |
| 2024 | The Kennedy Center Washington, DC | C | $21,500 | paid | GENERAL | 202541349349104659 |
| 2024 | Church of the Redeemer Gaithersburg, MD | U | $10,000 | paid | GENERAL | 202541349349104659 |
| 2024 | US Holocaust Memorial Museum Washington, DC | U | $5,700 | paid | GENERAL | 202541349349104659 |
| 2024 | Anti-Defamation League Washington, DC | U | $1,800 | paid | GENERAL | 202541349349104659 |
| 2024 | Cystic Firbrosis Foundation Bethesda, MD | C | $500 | paid | GENERAL | 202541349349104659 |
| 2024 | Mclean Project for the Arts Mclean, VA | B | $350 | paid | GENERAL | 202541349349104659 |
| 2024 | Alzheimer's Association Lutherville, MD | D | $200 | paid | GENERAL | 202541349349104659 |
| 2024 | Washington Opera Society Washington, DC | B | $125 | paid | GENERAL | 202541349349104659 |
| 2024 | Humane Society of New York New York, NY | B | $100 | paid | GENERAL | 202541349349104659 |
| 2023 | The Kennedy Center Washington DC, DC | C | $16,763 | paid | General | 202421309349102502 |
| 2023 | Friends of Israel Defense Forces Brooklyn, NY | U | $8,000 | paid | General | 202421309349102502 |
| 2023 | United States Holocaust Memorial Museum Washington DC, DC | U | $5,000 | paid | General | 202421309349102502 |
| 2023 | Washington Hebrew Congregation Washington DC, DC | U | $4,300 | paid | General | 202421309349102502 |
| 2023 | Imagination Stage Bethesda, MD | B | $2,000 | paid | General | 202421309349102502 |
| 2023 | Anti-Defamation League Washington DC, DC | U | $1,800 | paid | General | 202421309349102502 |
| 2023 | Maccabi USA Philadelphia, PA | B | $1,000 | paid | General | 202421309349102502 |
| 2023 | The Morgan Pressel Foundation Boca Raton, FL | B | $600 | paid | General | 202421309349102502 |
| 2023 | Alzheimer's Association Lutherville, MD | D | $500 | paid | General | 202421309349102502 |
| 2023 | Manassas Ballet Theatre Manassas, VA | U | $500 | paid | General | 202421309349102502 |
| 2023 | Cystic Fibrosis Foundation Bethesda, MD | B | $500 | paid | General | 202421309349102502 |
| 2023 | Mclean Project for the Arts Mclean, VA | B | $350 | paid | General | 202421309349102502 |
| 2023 | The Hands of Love Foundation Marietta, GA | B | $325 | paid | General | 202421309349102502 |
| 2023 | Washington International Piano Arts Council Fairfax, VA | B | $100 | paid | General | 202421309349102502 |
| 2022 | The Kennedy Center Washington, DC | C | $18,350 | paid | General | 202311319349102251 |
| 2022 | Duke University Durham, NC | B | $6,000 | paid | General | 202311319349102251 |
| 2022 | Washington Hebrew Congregation Washington, DC | U | $2,750 | paid | General | 202311319349102251 |
| 2022 | The Leukemia & Lymphona Society Washington, DC | U | $2,000 | paid | General | 202311319349102251 |
| 2022 | Pioneersorg Orlando, FL | U | $2,000 | paid | General | 202311319349102251 |
| 2022 | Manassas Ballet Theatre Manassas, VA | U | $1,000 | paid | General | 202311319349102251 |
| 2022 | Jewish Women's International Washington, DC | C | $1,000 | paid | General | 202311319349102251 |
| 2022 | Alzheimer's Association Lutherville, MD | D | $500 | paid | General | 202311319349102251 |
| 2022 | First Descents Denver, CO | C | $500 | paid | General | 202311319349102251 |
| 2022 | Cystic Fibrosis Foundation Bethesda, MD | B | $500 | paid | General | 202311319349102251 |
| 2022 | Hospice of the Chesapeake Pasadena, MD | B | $500 | paid | General | 202311319349102251 |
| 2021 | The Kennedy Center Washington, DC | C | $16,500 | paid | General | 202201249349102100 |
| 2021 | Duke University Durham, NC | B | $6,000 | paid | General | 202201249349102100 |
| 2021 | Washington Hebrew Congregation Washington, DC | U | $2,400 | paid | General | 202201249349102100 |
| 2021 | Pioneers Org Orlando, FL | U | $2,000 | paid | General | 202201249349102100 |
| 2021 | The Leukemia & Lymphona Society Washington, DC | U | $2,000 | paid | General | 202201249349102100 |
| 2021 | Imagination Stage Bethesda, MD | B | $1,000 | paid | General | 202201249349102100 |
| 2021 | Imagination Stage Bethesda, MD | B | $1,000 | approved, future | General | 202201249349102100 |
| 2021 | Maccabi USA Philadelphia, PA | B | $1,000 | paid | General | 202201249349102100 |
| 2021 | Manassas Ballet Theatre Manassas, VA | U | $500 | paid | General | 202201249349102100 |
| 2021 | Cystic Fibrosis Foundationa Bethesda, MD | U | $500 | paid | General | 202201249349102100 |
| 2021 | Rockville Jcc Rockville, MD | D | $500 | paid | General | 202201249349102100 |
| 2021 | First Descents Denver, CO | C | $500 | paid | General | 202201249349102100 |
| 2021 | Alzheimer's Association Lutherville, MD | D | $250 | paid | General | 202201249349102100 |
| 2020 | The Kennedy Center Washington, DC | C | $16,700 | paid | General | 202111339349100241 |
| 2020 | Duke University Durham, NC | B | $6,000 | paid | General | 202111339349100241 |
| 2020 | Washington Hebrew Congregation Washington, DC | U | $2,800 | paid | General | 202111339349100241 |
| 2020 | Leukemia and Lymphoma Society Washington, DC | U | $2,000 | paid | General | 202111339349100241 |
| 2020 | Pioneersorg Orlando, FL | U | $2,000 | paid | General | 202111339349100241 |
| 2020 | Manassas Performing Arts Inc Manassas, VA | B | $1,000 | paid | General | 202111339349100241 |
| 2020 | Imagination Stage Bethesda, MD | B | $1,000 | paid | General | 202111339349100241 |
| 2020 | US Holocaust Memorial Muesum Washington, DC | U | $500 | paid | General | 202111339349100241 |
| 2020 | St Jude's Children's Hospital Arlington, VA | U | $500 | paid | General | 202111339349100241 |
| 2020 | Maccabi USA Phildelphia, PA | B | $500 | paid | General | 202111339349100241 |
| 2020 | First Descents Denver, CO | C | $500 | paid | General | 202111339349100241 |
| 2020 | Cabin John Park Volunteer Fire Dept Bethesda, MD | D | $500 | paid | General | 202111339349100241 |
| 2020 | Cystic Fibrosis Foundation Bethesda, MD | B | $500 | paid | General | 202111339349100241 |
| 2020 | Mclean School Potomac, MD | D | $250 | paid | General | 202111339349100241 |
| 2020 | National Jewish Health New York, NY | U | $200 | paid | General | 202111339349100241 |
| 2020 | The Defiant Requiem Foundation Washington, DC | B | $200 | paid | General | 202111339349100241 |
| 2020 | Guide Dogs for the Blind San Rafael, CA | C | $100 | paid | General | 202111339349100241 |
| 2020 | Chesapeake Bay Foundation Annapolis, MD | B | $100 | paid | General | 202111339349100241 |
| 2020 | World Wildlife Fund Washington, DC | B | $100 | paid | General | 202111339349100241 |
| 2019 | The Kennedy Center Washington, DC | C | $14,900 | paid | General | 202041819349100414 |
| 2019 | Duke University Durham, NC | B | $6,000 | paid | General | 202041819349100414 |
| 2019 | Washington Hebrew Congregation Washington, DC | U | $4,400 | paid | General | 202041819349100414 |
| 2019 | Pioneers Org Orlando, FL | U | $2,000 | paid | General | 202041819349100414 |
| 2019 | The Lukemia & Lymphoma Society Washington, DC | U | $2,000 | paid | General | 202041819349100414 |
| 2019 | Colorectal Cancer Alliance Washington, DC | B | $1,200 | paid | General | 202041819349100414 |
| 2019 | Cystic Fibrosis Foundation Bethesda, MD | B | $600 | paid | General | 202041819349100414 |
| 2019 | Alzheimers Drug Discovery Foundation New York, NY | B | $500 | paid | General | 202041819349100414 |
| 2019 | Washington National Opera Washington, DC | C | $500 | paid | General | 202041819349100414 |
| 2019 | US Holocaust Memorial Muesum Washington, DC | U | $450 | paid | General | 202041819349100414 |
| 2019 | Salvation Army Towson, MD | U | $350 | paid | General | 202041819349100414 |
| 2019 | National Jewish Health Denver, CO | B | $250 | paid | General | 202041819349100414 |
| 2019 | Alzheimers Association Lutherville, MD | D | $200 | paid | General | 202041819349100414 |
| 2019 | We Will Survive Cancer Alexandria, VA | B | $200 | paid | General | 202041819349100414 |
| 2019 | National Ms Society Washington, DC | U | $150 | paid | General | 202041819349100414 |
| 2019 | Hospice of Charles County Waldorf, MD | U | $150 | paid | General | 202041819349100414 |
| 2018 | The Kennedy Center Washington, DC | C | $14,000 | paid | General | 201911339349101811 |
| 2018 | Duke University Durham, NC | B | $6,000 | paid | General | 201911339349101811 |
| 2018 | Washington Hebrew Congregation Washington, DC | U | $2,300 | paid | General | 201911339349101811 |
| 2018 | The Lukemia & Lymphoma Society Washington, DC | U | $2,000 | paid | General | 201911339349101811 |
| 2018 | Pioneers Orlando, FL | B | $2,000 | paid | General | 201911339349101811 |
| 2018 | Sibley Memorial Hospital Foundation Washington, DC | B | $1,500 | paid | General | 201911339349101811 |
| 2018 | First Descents Denver, CO | C | $1,000 | paid | General | 201911339349101811 |
| 2018 | Imagination Stage Bethesda, MD | B | $1,000 | paid | General | 201911339349101811 |
| 2018 | The Washington Ballet Washington, DC | B | $650 | paid | General | 201911339349101811 |
| 2018 | Main Street Connect Rockville, MD | C | $600 | paid | General | 201911339349101811 |
| 2018 | Alzheimers Drug Discovery Foundation New York, NY | B | $500 | paid | General | 201911339349101811 |
| 2018 | US Holocaust Memorial Muesum Washington, DC | U | $500 | paid | General | 201911339349101811 |
| 2018 | Cystic Fibrosis Foundation Bethesda, MD | B | $500 | paid | General | 201911339349101811 |
| 2018 | American Heart Association Glen Allen, VA | U | $150 | paid | General | 201911339349101811 |
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 | 2025-12-31 | not stated | 2025v4.1 | 202631049349101308 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202541349349104659 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202421309349102502 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202311319349102251 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.2 | 202201249349102100 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202111339349100241 |
| 990PF | 2019 | 2019-12-31 | not stated | 2019v5.1 | 202041819349100414 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201911339349101811 |
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/236391020.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.