The Lewis Foundation
The Lewis Foundation is a private foundation, based in Aspen, CO. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $146.1M in total assets. In 2024, it awarded 7 grants totaling $6.7M. Net investment income was $2.8M.
The Lewis Foundation at a glance
In short: The Lewis Foundation gave $6.7M across 7 grants in 2024 (avg $957K), top state District of Columbia. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $6,700,000
- -17.8% vs 2023
- Grants made (2024)
- 7
- -22.2% vs 2023
- Average grant
- $957,143
- +5.7% vs 2023
- Median grant
- $1,000,000
- Total assets
- $146,080,818
- +10.6% vs 2023
- Primary geography
- District of Columbia (48% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026.
Who The Lewis Foundation funds
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2024
The largest 2024 recipient was The Aspen Institute Inc ($3.2M across 3 grants). Together the top 5 received $6.7M.
Grant Size Distribution
36 grants across all recorded years
The most common grant size was in the $100–250K range: 16 grants of 36 (44%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 7 itemized grants.
Cities
How The Lewis Foundation gives
- Giving grew 294% from 2021 to 2024. Method
- In 2024 it paid out 103% of 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 $1.7M (2021) to $8.2M (2023). In 2024 it made 7 grants totaling $6.7M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Aspen Institute Inc Washington, DC | General Support | $2,000,000 |
| Aspen Community Foundation Basalt, CO | Support nonprofit organizations by connecting donors to community needs | $1,000,000 |
| Aspen Country Day School Inc Aspen, CO | Teacher Wellness Fund | $1,000,000 |
| Rocky Mountain Institute Boulder, CO | General Support | $1,000,000 |
| The Aspen Institute Inc Washington, DC | General Support | $1,000,000 |
| Earthjustice San Francisco, CA | General Support | $500,000 |
| The Aspen Institute Inc Washington, DC | Food & Society Program | $200,000 |
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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 | $146,080,818 | $9,640,027 | $6,478,996 | $6,700,000 | 7 | $7,207,091 | $2,844,365 | $6,991,733 |
| 2023 | $132,051,517 | $12,992,163 | $12,954,208 | $8,150,000 | 9 | $8,237,082 | $884,456 | $6,173,868 |
| 2022 | $116,372,442 | $21,513,992 | $3,053,214 | $2,200,000 | 6 | $2,317,133 | $51,772 | $5,283,909 |
| 2021 | $112,638,890 | $16,389,017 | $1,986,695 | $1,700,000 | 7 | $1,829,242 | $11,446,375 | $4,897,024 |
| 2020 | $90,187,226 | $11,059,474 | $5,257,768 | $5,200,000 | 7 | — | $6,142,466 | $4,401,084 |
Under IRS private-foundation payout rules, The Lewis Foundation reported a distributable amount of $7.0M for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Lewis Foundation is led by Adam J. Lewis, President on every filing since 2020; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Adam J. Lewis
President
On filings since 2020
2 hrs/week
No compensation reported
Melony M. Lewis
Vice President
On filings since 2020
2 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 Lewis Foundation
How much does The Lewis Foundation give each year?
The Lewis Foundation gave $6.7M across 7 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $8.2M across 9 grants.
What is The Lewis Foundation's typical grant size?
The Lewis Foundation's median grant in 2024 was $1,000,000, and its average grant was $957,143, across 7 grants on its 2024 IRS Form 990-PF.
Where does The Lewis Foundation give grants?
The Lewis Foundation's top state is District of Columbia, with 48% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Colorado (45%) and California (7%). The most frequent recipient cities were Washington, DC (3 grants).
Does The Lewis Foundation give general operating support?
Yes: 57% of The Lewis Foundation's 2024 grants with a stated purpose (4 of 7) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are The Lewis Foundation's largest grantees?
The Lewis Foundation's largest 2024 grantees include The Aspen Institute Inc ($3,200,000 across 3 grants), Aspen Community Foundation ($1,000,000) and Aspen Country Day School Inc ($1,000,000), according to its 2024 IRS Form 990-PF. Together they received 78% of its itemized 2024 grant dollars.
How large is The Lewis Foundation?
The Lewis Foundation reported $146.1M in total assets on its 2024 IRS Form 990-PF. It paid out $7.2M in qualifying distributions that year, against a required minimum of $7.0M (roughly 5% of its investment assets).
What is The Lewis Foundation's EIN?
The Lewis Foundation's EIN (Employer Identification Number) is 41-2063101. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated October 2026. Sourced from IRS Form 990-PF filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 13, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 11, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 13, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 16, 2025)
- IRS filings on file for fiscal years 2020–2024
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