Jaime Leandro Foundation for Therapeutic Cancer Vaccines
The improvement of access to and data about therapeutic neoantigen cancer vaccines.
Jaime Leandro Foundation for Therapeutic Cancer Vaccines at a glance
In short: Jaime Leandro Foundation for Therapeutic Cancer Vaccines gave $664K across 1 grant in 2025 (avg $664K), mostly in North Carolina. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $664,125
- Grants made (2025)
- 1
- Average grant
- $664,125
- Median grant
- $664,125
- Total assets
- $3,115,879
- +4.6% vs 2024
- Primary geography
- North Carolina (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Jaime Leandro Foundation for Therapeutic Cancer Vaccines funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was University of North Carolina at Cha ($664K).
Grant Size Distribution
3 grants across all recorded years
The most common grant size was in the $50–100K range: 2 grants of 3 (67%).
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 Jaime Leandro Foundation for Therapeutic Cancer Vaccines gives
- Giving grew 1228% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2025, annual grant giving ranged from $50K (2022) to $664K (2025). In 2025 it made 1 grant totaling $664K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of North Carolina at Cha Chapel Hill, NC | Support Mission | $664,125 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $3,115,879 | $4,828,327 | $4,565,341 | $664,125 | 1 | $46,538 |
| 2024 | $2,980,237 | $4,757,844 | $2,357,624 | — | — | $932 |
| 2023 | $937,662 | $2,489,623 | $2,330,695 | — | — | — |
| 2022 | $546,360 | $1,344,079 | $1,279,455 | $50,000 | 1 | — |
| 2021 | $277,944 | $335,642 | $416,192 | $65,000 | 1 | — |
About Jaime Leandro Foundation for Therapeutic Cancer Vaccines
Based on IRS filings
Jaime Leandro Foundation for Therapeutic Cancer Vaccines is a public charity focused on Diseases, Disorders & Medical Disciplines, based in Chapel Hill, NC. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $3.1M in total assets. In 2025, it awarded 1 grant totaling $664K. Net investment income was $47K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Jaime Leandro Foundation for Therapeutic Cancer Vaccines is led by William Hoos, President on every filing since 2021; 1 of 6 officers listed in 2025 is compensated.
Officers on the 2025 filing
William Hoos
President
On filings since 2021
8 hrs/week
$20K (2021) → $0 (2025)
Malachi Griffith
Board Member
On filings since 2021
0.5 hrs/week
$9K (2023) → $4K (2025)
Andrew Jacobs
Secretary
On filings since 2021
1 hr/week
No compensation reported
J. Martin Tenenbaum
Board Member
On filings since 2021
0.5 hrs/week
No compensation reported
Jason Chang
Treasurer
On filings since 2021
1 hr/week
No compensation reported
William Gillanders
Board Member
On filings since 2021
0.5 hrs/week
No compensation reported
Former officers (1)
- Former: Andrew Popp (2021–2023) — Board Member
Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $4K, to Malachi Griffith (Board Member).
Frequently asked questions about Jaime Leandro Foundation for Therapeutic Cancer Vaccines
How much does Jaime Leandro Foundation for Therapeutic Cancer Vaccines give each year?
Jaime Leandro Foundation for Therapeutic Cancer Vaccines gave $664K across 1 grant in 2025, according to its 2025 IRS Form 990.
How large is Jaime Leandro Foundation for Therapeutic Cancer Vaccines?
Jaime Leandro Foundation for Therapeutic Cancer Vaccines reported $3.1M in total assets on its 2025 IRS Form 990. Its revenue that year was $4.8M.
What is Jaime Leandro Foundation for Therapeutic Cancer Vaccines?
Jaime Leandro Foundation for Therapeutic Cancer Vaccines is a public charity focused on Diseases, Disorders & Medical Disciplines, based in Chapel Hill, NC. It holds $3.1M in total assets as of 2025.
Where does Jaime Leandro Foundation for Therapeutic Cancer Vaccines operate?
Jaime Leandro Foundation for Therapeutic Cancer Vaccines has awarded grants in Missouri, North Carolina.
What is Jaime Leandro Foundation for Therapeutic Cancer Vaccines's EIN?
Jaime Leandro Foundation for Therapeutic Cancer Vaccines's EIN (Employer Identification Number) is 85-3117614. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(4)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2021 (received by the IRS October 25, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS November 13, 2023)
- Added Form 990 for fiscal year 2025 (received by the IRS May 13, 2026)
- IRS filings on file for fiscal years 2021–2024
Live grants for the work Jaime Leandro Foundation for Therapeutic Cancer Vaccines funds
Diseases, Disorders & Medical Disciplines Open opportunities, soonest deadline first.
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