Jaime Leandro Foundation for Therapeutic Cancer Vaccines logo

Jaime Leandro Foundation for Therapeutic Cancer Vaccines

Public charity · Grantmaker Chapel Hill, NC EIN: 85-3117614 Website

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

University of North Carolina at Cha: $664KUniversity of North Carolinaat Cha$664K

The largest 2025 recipient was University of North Carolina at Cha ($664K).

Grant Size Distribution

3 grants across all recorded years

<$50K2$50–100K$100–250K$250–500K1$500K–1M$1–5M$5M+

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

2states

Share of the 2025 grant dollars on its one itemized grant.

Cities

Saint LouisChapel Hill

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

$0$200K$400K$600K$800K1 grant2021 1 grant2022 0 grants2023 0 grants2024 1 grant2025

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

RecipientPurposeAmount
University of North Carolina at Cha Chapel Hill, NCSupport Mission$664,125
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment Income
2025$3,115,879$4,828,327$4,565,341$664,1251$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$50,0001—
2021$277,944$335,642$416,192$65,0001—

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.

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

Malachi Griffith — Board Member: $4KMalachi GriffithBoard Member$4K

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

  1. Updated Form 990 for fiscal year 2021 (received by the IRS October 25, 2022)
  2. Updated Form 990 for fiscal year 2022 (received by the IRS November 13, 2023)
  3. Added Form 990 for fiscal year 2025 (received by the IRS May 13, 2026)
  4. IRS filings on file for fiscal years 2021–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Jaime Leandro Foundation for Therapeutic Cancer Vaccines's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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