Well Told Grants

Nonprofits / Florida

Who funds Mayo Clinic?

Jacksonville, Florida

48 private foundations reported grants to Mayo Clinic in Jacksonville, Florida totaling $3.4 million across 49 grants in tax years 2023 to 2025. The largest funder was The Ruffwood Foundation, with $1.0 million.

From the funders' IRS Form 990-PF filings.

Foundations that fund Mayo Clinic

All 48 funders, by amount
FoundationPurpose givenGrantsAmount
The Ruffwood Foundation
Georgia · 2025
Charitable1$1.0 million
Louis P Ciminelli Foundation
New York · 2025
Unrestricted1$500,000
Santulli Family Foundation
New York · 2024
General Charitable Purposes1$250,000
John N & Marilyn P McConnell Charitable Foundation Inc
Florida · 2024
Healthcare1$202,426
Ventus Charitable Foundation
Florida · 2025
Charitable1$200,000
The Kennedy Family Charitable Foundation
Florida · 2025
To provide whole-person care to everyone who needs healing.2$102,000
The Martin F Greenberg Family Foundation Inc
Florida · 2024
General Support1$100,000
The Willits Foundation Inc
Florida · 2024
Women's Health Research1$100,000
The Inglesea Charitable Trust
Connecticut · 2024
Charitable1$100,000
The Lastinger Family Foundation Inc
Florida · 2024 · accepts applications
To enhance medical innovation, collaboration, and commitment1$100,000
Nash Long Life Foundation
Texas · 2025 · accepts applications
Medical Research1$100,000
The Bertold TD and Thyra Schwarz Foundation Inc
Florida · 2024
General purposes1$75,000
James E and Betty J Huffer Foundation
Georgia · 2025
Unrestricted1$50,000
Harvey and Carol Massey Foundation Inc
Florida · 2024
Support to treat patients, educate medial leaders and conduct research1$50,000
The Francis and Miranda Childress Foundation
Florida · 2024
General operating1$50,000
Maustin Davis Foundation Inc
Florida · 2024
Unspecified1$50,000
The Michael Cascone Jr & Elizabeth Belyea Cascone Family Foundation
Florida · 2025
General fund1$50,000
Diane Lynn Family Foundation Inc
Florida · 2023
Research1$50,000
Beaver Street Foundation Inc
Florida · 2025
General contribution1$30,000
Trager Family Foundation Inc
Florida · 2024
Health research1$25,000
Charlotte Geyer Foundation
Florida · 2025
Medical1$25,000
WW and Eloise D Gay Foundation
Florida · 2024
Unrestricted - charity1$20,000
Marg & Jack Tarver Fdn Irrv Tr
Florida · 2025
General operating1$20,000
The Brian Harman Foundation Inc
Georgia · 2025 · accepts applications
To provide funding for patients1$17,185
Madigan Family Foundation
Illinois · 2025
Charitable purpose1$15,000
Charles and Sandra Johnston Foundation
Florida · 2025
Medical1$15,000
The Robert E Jones Foundation
Missouri · 2025
Hospital care.1$11,000
AEL Family Foundation Inc
Florida · 2025
Unrestricted Grant1$10,000
Jones Family Foundation
New York · 2024
General support1$10,000
The WLT Foundation
South Carolina · 2025
Dr loftis ulcerative colitis research1$10,000
Soderstrom Family Charitable Trust
Illinois · 2025
Charitable1$10,000
Marco Family Foundation Inc
Florida · 2024
Healthcare1$10,000
Jeffrey S Pechter Family Foundation Inc
Florida · 2024
Unrestricted1$10,000
Siavosh Bozorgi Family Foundation Trust DTD 11/27/92
Florida · 2025
Support healthcare1$5,000
The D&p Foundation Inc
Florida · 2024
To further the purpose of exempt org1$5,000
The Flag Foundation Inc
Florida · 2023
General operating support1$5,000
Andrews Foundation Inc
Alabama · 2024
General support1$5,000
Grune Family Foundation Inc
Pennsylvania · 2025
General Fund1$5,000
The Green Family Foundation
Florida · 2025
General fund1$5,000
Thomas T Phillips Jr Foundation Inc
Florida · 2024
General support of public health1$3,500
Montgomery Family Foundation Inc
Georgia · 2024
Various charitable program activities1$2,500
The Palmer Family Foundation
New York · 2025 · accepts applications
Unrestricted1$2,500
Shorstein Family Foundation Inc
Florida · 2023
Health care1$1,500
The Gant Family Foundation
New York · 2024
See statement #91$1,000
Edwin and Carolyn Levy Charitable Foundation Inc
New York · 2025
Unrestricted grant for the donees tax-exempt purpose1$500
The Billi Marcus Foundation Inc
Georgia · 2024
General operations1$500
John Henry Dorminy Foundation Inc
Georgia · 2024
Operating1$500
Alicia Watchorn Snyder Foundation Inc
Florida · 2025
donation1$50

Amounts are grants paid as each foundation reported them. Names are matched across filings, so a grant written under a different name for the same organization may be missing.

Using this list

A foundation that already gives to Mayo Clinic gives in its field and region, so the list doubles as a prospect list for similar organizations in Jacksonville. Open a foundation to see its application rules, typical grant and every other grant it paid.

Questions people ask

Who funds Mayo Clinic?

The Ruffwood Foundation, Louis P Ciminelli Foundation, Santulli Family Foundation, John N & Marilyn P McConnell Charitable Foundation Inc and Ventus Charitable Foundation, and 43 more, according to their IRS Form 990-PF filings.

How much does Mayo Clinic get from foundations?

$3.4 million in 49 reported grants from 48 private foundations in tax years 2023 to 2025. Government grants and gifts from individuals are not included.

Which of these funders accept applications?

The Lastinger Family Foundation Inc, Nash Long Life Foundation, The Brian Harman Foundation Inc and The Palmer Family Foundation say in their filings that they accept applications.

Other funded organizations in Jacksonville