Corabelle Lumps Foundation
Corabelle Lumps Foundation is a private foundation located in Princeton, NJ, established in July 2008. With assets of $476M, it ranks in the top 1% of US foundations. The foundation only makes contributions to preselected charitable organizations and does not accept unsolicited applications. It has limited staffing and reported grant activity in recent filings.
Corabelle Lumps Foundation at a glance
In short: Corabelle Lumps Foundation gave $20.0M across 1 grant in 2025 (avg $20.0M), mostly in Massachusetts. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $20,000,000
- +10.2% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $20,000,000
- +10.2% vs 2024
- Median grant
- $20,000,000
- Total assets
- $293,421,930
- +31.3% vs 2024
- Primary geography
- Massachusetts (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Corabelle Lumps Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Partners in Health a Nonprofit Corporation ($20.0M).
Grant Size Distribution
9 grants across all recorded years
The most common grant size was $5M or more: 5 grants of 9 (56%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Corabelle Lumps Foundation gives
- Giving grew 90% from 2022 to 2025. Method
- In 2025 it paid out 76% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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 2025, annual grant giving ranged from $7.7M (2020) to $20.0M (2025). In 2025 it made 1 grant totaling $20.0M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Partners in Health a Nonprofit Corporation Boston, MA | Philanthropic | $20,000,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $293,421,930 | $90,412,678 | $20,445,198 | $20,000,000 | 1 | $20,007,750 | $5,853,547 | $26,236,674 |
| 2024 | $223,454,450 | $61,688,722 | $18,439,762 | $18,150,000 | 1 | $18,157,920 | $4,496,181 | $19,113,782 |
| 2023 | $180,205,488 | $33,206,042 | $13,413,109 | $13,200,000 | 3 | $13,207,920 | $3,517,741 | $15,518,744 |
| 2022 | $160,400,456 | $31,321,611 | $10,688,871 | $10,500,000 | 2 | $10,507,445 | $2,174,869 | $13,152,267 |
| 2021 | $139,819,248 | $23,885,298 | $9,084,135 | $8,750,000 | 2 | $8,757,545 | $1,608,036 | $10,523,610 |
| 2020 | $125,034,630 | $2,057,631 | $7,949,339 | $7,700,000 | 5 | — | $1,805,218 | $8,971,156 |
Under IRS private-foundation payout rules, Corabelle Lumps Foundation reported a distributable amount of $26.2M for 2025 — the minimum it must pay out in qualifying distributions.
About Corabelle Lumps Foundation
Based on IRS filings
Corabelle Lumps Foundation is a private foundation, based in Princeton, NJ. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $293.4M in total assets. In 2025, it awarded 1 grant totaling $20.0M. Net investment income was $5.9M.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Corabelle Lumps Foundation is led by Anne Dinning, Trustee on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Anne Dinning
Trustee
On filings since 2020
0.5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 Corabelle Lumps Foundation
How much does Corabelle Lumps Foundation give each year?
Corabelle Lumps Foundation gave $20.0M across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $18.1M across 1 grant.
How large is Corabelle Lumps Foundation?
Corabelle Lumps Foundation reported $293.4M in total assets on its 2025 IRS Form 990-PF. It paid out $20.0M in qualifying distributions that year, against a required minimum of $26.2M (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
Where does Corabelle Lumps Foundation operate?
Corabelle Lumps Foundation has awarded grants in Massachusetts, New York.
What is Corabelle Lumps Foundation's EIN?
Corabelle Lumps Foundation's EIN (Employer Identification Number) is 26-6208988. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS June 15, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS March 9, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS March 11, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS March 27, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 19, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS March 16, 2026)
- IRS filings on file for fiscal years 2020–2025
Live grants for the work Corabelle Lumps Foundation funds
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