The Hillside Foundation Inc
The Hillside Foundation Inc is a private foundation based in Washington, DC. In 2024, it awarded grants to organizations working in areas including museums and cultural heritage, food and nutrition, climate solutions, and medical research.
The Hillside Foundation Inc at a glance
In short: The Hillside Foundation Inc gave $4.2M across 8 grants in 2024 (avg $522K), top state District of Columbia. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $4,174,294
- -42.3% vs 2023
- Grants made (2024)
- 8
- -20.0% vs 2023
- Average grant
- $521,787
- -27.9% vs 2023
- Median grant
- $477,500
- Total assets
- $1,110,464
- -48.9% vs 2023
- Primary geography
- District of Columbia (47% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026.
How to apply to The Hillside Foundation Inc
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests.
- Contact
Mailing address: 1001 Pennsylvania Avenue Nw 220S, Washington, DC 20004
Phone: (202) 729-5506
Website: https://hillside.com
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Hillside Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2024
The largest 2024 recipient was Smithsonian Institution ($1.2M). Together the top 8 received $4.2M.
Grant Size Distribution
71 grants across all recorded years
The most common grant size was in the $100–250K range: 18 grants of 71 (25%).
Geographic Focus
Where this funder awards grants
The foundation’s 2024 grant dollars went to recipients in DC (47%), Massachusetts (24%), California (23%), and Maryland (7%).
Grant Distribution by State
Share of 2024 grant dollars across all 8 itemized grants.
Cities
How The Hillside Foundation Inc gives
- Giving fell 48% from 2021 to 2024. Method
- In 2024 it paid out well above its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $4.2M (2024) to $9.1M (2020). In 2024 it made 8 grants totaling $4.2M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Smithsonian Institution Washington, DC | To Support the Nash Innovations Gallery | $1,166,667 |
| Island Grown Initiative Vineyard Haven, MA | To Support Updates to the Greenhouse | $1,000,000 |
| DC Greens Washington, DC | To support nutritional and wellness needs of patients in d.c. | $500,000 |
| Uc Berkley Foundation Berkeley, CA | To Support the Haas Climate Solutions Fund | $500,000 |
| Syngap Research Fund Palo Alto, CA | To Support the Exempt Purpose of the Organization | $455,000 |
| Johns Hopkins University Baltimore, MD | To Support the Wilmer Eye Institute | $277,627 |
| United States Holocaust Museum Washington, DC | To support the never again: what you do matters campaign | $250,000 |
| The Defiant Requiem Foundation Washington, DC | To preserve the memory and legacy of terezin prisoners during wwii | $25,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $1,110,464 | $3,125,434 | $4,189,908 | $4,174,294 | 8 | $4,185,408 | $120,934 | $120,591 |
| 2023 | $2,174,938 | $9,022,036 | $7,243,262 | $7,233,333 | 10 | $7,243,262 | $22,036 | $59,301 |
| 2022 | $396,164 | $7,510,027 | $7,115,532 | $7,094,167 | 11 | $7,115,532 | $27 | $14,340 |
| 2021 | $1,669 | $8,095,121 | $8,095,318 | $8,074,167 | 19 | $8,075,318 | $121 | $65,676 |
| 2020 | $1,866 | $9,009,089 | $9,075,786 | $9,067,311 | 23 | — | $89 | $37,274 |
Under IRS private-foundation payout rules, The Hillside Foundation Inc reported a distributable amount of $121K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2024 grants show support for a range of organizations and purposes. These included the Smithsonian Institution’s NASM Innovations Gallery, greenhouse updates at Island Grown Initiative, nutrition and wellness support through DC Greens, and the Haas Climate Solutions Fund at UC Berkeley Foundation.
The grantees describe their own missions in varied terms: Island Grown Initiative says it works to build a regenerative and equitable food system on Martha’s Vineyard; DC Greens says it advances health equity by building a just and resilient food system; and SynGAP Research Fund says it seeks to improve the quality of life of SynGAP-1 patients through research, treatments, therapies, and support systems.
Grantmaking
In 2024, the foundation reported 8 grants totaling $4,174,294. Grants ranged from $25,000 to $1,166,667, with a median of $477,500. Among the largest were $1,166,667 to the Smithsonian Institution for its NASM Innovations Gallery; $1,000,000 to Island Grown Initiative for greenhouse updates; $500,000 to DC Greens for patients’ nutritional and wellness needs in D.C.; and $500,000 to UC Berkeley Foundation for the Haas Climate Solutions Fund.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Allan M Holt as president, treasurer, and director; Shelley L Holt as vice president, secretary, and director; and David H Holt as director.
The Hillside Foundation Inc is led by Allan M. Holt, President, Treasurer & Director on every filing since 2020; none of the 3 officers listed in 2024 report compensation.
Officers on the 2024 filing
Allan M. Holt
President, Treasurer & Director
On filings since 2020
1.5 hrs/week
No compensation reported
David H. Holt
Director
On filings since 2020
1 hr/week
No compensation reported
Shelley L. Holt
Vice President, Secretary & Director
On filings since 2020
1.3 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about The Hillside Foundation Inc
How much does The Hillside Foundation Inc give each year?
The Hillside Foundation Inc gave $4.2M across 8 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $7.2M across 10 grants.
What is The Hillside Foundation Inc's typical grant size?
The Hillside Foundation Inc's median grant in 2024 was $477,500, and its average grant was $521,787, across 8 grants on its 2024 IRS Form 990-PF.
Where does The Hillside Foundation Inc give grants?
The Hillside Foundation Inc's top state is District of Columbia, with 47% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Massachusetts (24%) and California (23%). The most frequent recipient cities were Washington, DC (4 grants).
Does The Hillside Foundation Inc give general operating support?
Not in 2024: none of the 8 grants with a stated purpose on The Hillside Foundation Inc's 2024 IRS Form 990-PF were described as general or operating support.
Who are The Hillside Foundation Inc's largest grantees?
The Hillside Foundation Inc's largest 2024 grantees include Smithsonian Institution ($1,166,667), Island Grown Initiative ($1,000,000) and DC Greens ($500,000), according to its 2024 IRS Form 990-PF. Together they received 64% of its itemized 2024 grant dollars.
How large is The Hillside Foundation Inc?
The Hillside Foundation Inc reported $1.1M in total assets on its 2024 IRS Form 990-PF. It paid out $4.2M in qualifying distributions that year, against a required minimum of $121K (roughly 5% of its investment assets).
What does The Hillside Foundation Inc fund?
No mission statement for the foundation is provided. Its 2024 grants show support for a range of organizations and purposes. See mission & focus areas ↑
How do I apply for a grant from The Hillside Foundation Inc?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Hillside Foundation Inc's EIN?
The Hillside Foundation Inc's EIN (Employer Identification Number) is 20-2787879. IRS Form 990 filing data is available on this page for 2020–2024.
Does The Hillside Foundation Inc accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Live grants for the work The Hillside Foundation Inc funds
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