Mayo Foundation
Funding Overview
From IRS Form 990 filings · 2019–2025
Total received
$2.2M
Foundation funders
28
Grants recorded
39
Years covered
2019–2025
Who funds Mayo Foundation?
Mayo Foundation is funded by 28 grantmakers, led by Eisenbrandt Family Foundation ($1.1M), Johns Hopkins University ($331K), Tillie S Patterson Memorial Foundation ($210K). In total, IRS Form 990 filings record $2.2M in grants to Mayo Foundation between 2019–2025.
Show all 28 funders
| Molitor Family Foundation | $1,000 | 1 | 2025 |
| JBJ Foundation Inc | $1,000 | 1 | 2019 |
| Edwin J Yentzer Trust | $515 | 1 | 2025 |
Funding over time
Grant dollars and counts received per year
What grants has Mayo Foundation received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | Eisenbrandt Family Foundation | GENERAL DONATION | $1,100,000 |
| 2025 | Tillie S Patterson Memorial Foundation | CHARITABLE | $134,194 |
| 2025 | Alice and Phil Cohn Family Foundation | TO FURTHER WORK OF DONEE | $50,000 |
| 2025 | Kathryn a Knappenberger Charitable Remainder | RESEARCH PURPOSES | $48,939 |
| 2025 | Harold F Griffiths Foundation | CANCER & ALZHEIMER'S DISEASE RESEARCH | $40,000 |
| 2025 | Dale & Christy Davidson Memorial Tr XXXXX3001 | GENERAL | $38,148 |
| 2025 | Bertha Bouton Turck Tua | UNRESTRICTED GENERAL | $30,437 |
| 2025 | Ken and Betty Dahlberg Foundation | EDUCATIONAL ORGANIZATION | $25,000 |
| 2025 | The Cold Heading Foundation | TO SUPPORT THE ORGANIZATION'S MISSION | $25,000 |
| 2025 | C Paul & Irene G Venables | MEDICAL RESEARCH | $20,000 |
| 2025 | Harold F and Muriel K Kappler | GENERAL OPERATIONS | $20,000 |
| 2025 | Kilbourne Eh Res Char Tr-Main | GENERAL OPERATING | $11,550 |
| 2025 | John D Whittington Tr-Mayo Fdn Bank of | UNRESTRICTED GENERAL | $10,746 |
| 2025 | The MTB Charitable Foundation Inc | TO PROVIDE SUPPORT FOR MEDICAL RESEARCH & TRAINING | $10,000 |
| 2025 | JS Charitable Trust | Unrestricted | $10,000 |
| 2025 | Krause Family Foundation | Scientific/Medical | $10,000 |
| 2025 | John and Mary Franco | GENERAL OPERATING FUNDS | $10,000 |
| 2025 | Michael Gidwitz Charitable Foundation | GENERAL PROGRAM SERVICES | $5,000 |
| 2025 | Linder Family Foundation | SUPPORT FOR HEALTHCARE | $2,500 |
| 2025 | Martin D & Barbara H Rich Family | OPERATING NEEDS | $2,000 |
| 2025 | Molitor Family Foundation | OPERATING SUPPORT | $1,000 |
| 2025 | Edwin J Yentzer Trust | UNRESTRICTED GENERAL | $515 |
| 2024 | Modestus Bauer Foundation | GENERAL CHARITABLE USE | $20,000 |
| 2024 | John and Mary Franco | GENERAL OPERATING FUNDS | $10,000 |
| 2023 | Robert L Howell Foundation | Medical Education | $20,000 |
| 2023 | C Paul & Irene G Venables | MEDICAL RESEARCH | $17,500 |
| 2023 | John and Mary Franco | GENERAL OPERATING FUNDS | $10,000 |
| 2022 | Johns Hopkins University | SUB-AWARD | $331,032 |
| 2022 | John and Mary Franco | GENERAL OPERATING FUNDS | $10,000 |
| 2021 | John and Mary Franco | GENERAL OPERATING FUNDS | $10,000 |
Showing 30 most recent of 39 recorded grants.
Frequently Asked Questions
Who funds Mayo Foundation?
Mayo Foundation is funded by 28 grantmakers, led by Eisenbrandt Family Foundation ($1.1M), Johns Hopkins University ($331K), Tillie S Patterson Memorial Foundation ($210K). In total, IRS Form 990 filings record $2.2M in grants to Mayo Foundation between 2019–2025.
Who is Mayo Foundation's largest funder?
Eisenbrandt Family Foundation is the largest recorded funder of Mayo Foundation, with $1.1M across 2 grants (2019–2025).
How much grant funding has Mayo Foundation received?
IRS 990 filings record $2.2M in grants to Mayo Foundation across 39 grants from 28 funders between 2019–2025. Filings are published on a delay, so recent grants may not appear yet.
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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.