Mayo Foundation has received $57 million across 364 grants from 108 funders over IRS Form 990 filings (2018–2025). Its largest funder is Fred C and Katherine B Andersen Foundation.
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Fred C and Katherine B Andersen Foundation has given $38.8M across 3 grants to Mayo Foundation.
Judd Leighton Foundation INC has given $2.3M across 5 grants to Mayo Foundation.
Paul Galvin Memorial Foundation Trust has given $1.8M across 3 grants to Mayo Foundation.
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