Marshall E Rinker Sr Foundation Inc
Between its 2021–2023 filings, Marshall E Rinker Sr Foundation Inc made 45 grants to Florida organizations totaling $3,520,000 — median $70,000. Here is what they actually funded, from their IRS 990-PF filings. A note on dates: 990-PF filings become public one to two years after the fiscal year they cover, so 2023 is the newest year on public record — giving patterns persist, but always confirm current priorities with the funder.
Winnability verdict
Apply Our reading as of September 1, 2026, from filings through 2023.
- Their filing publishes an application route — the door is open (details under “How to approach them” below).
- A real pattern, not a one-off: 14 grants in education & literacy on their Florida record ($416,000).
- Size the ask from their record: median grant $70,000, largest $270,000.
Deadline: Their filing describes the process but states no deadline — confirm timing with the funder.
The verdict is our judgment from public filings — the funder’s own process statements are quoted where they exist, and funders make their own decisions. Verify with the funder before applying.
What they actually fund
- Education & literacy — 14 grant(s), $416,000
- Youth & family services — 7 grant(s), $551,000
- Food security & nutrition — 4 grant(s), $301,000
A grant that serves more than one cause is counted under each cause it fits, so the totals above can overlap — the headline grant count above is the true total.
Where their Florida grants land: West Palm Beach, Palm Beach Gardens, Deland, Gainesville, Tampa.
Grants on the record
The largest itemized Florida grants in their filings:
| Year | Recipient | Amount | Stated purpose |
|---|---|---|---|
| 2023 | Stetson University | $270,000 | International Learning Endowment |
| 2023 | University of Florida Health Cancer Center | $250,000 | Cancer Research |
| 2023 | Boy Scouts of America Gulf Stream Council | $225,000 | New Climbing Tower and Camp Expedition |
| 2021 | Stetson University | $210,000 | Rinker International Learning Endowment |
| 2023 | Palm Beach Atlantic University | $200,000 | Experiential Learning Center |
| 2022 | Habitat for Humanity | $200,000 | Construction of Home at 1112 17th Street, West Palm Beach, Fl |
| 2022 | Palm Beach Atlantic University | $200,000 | Rinker Center for Experiential Learning |
| 2022 | Stetson University | $200,000 | International Learning Endowment |
How to approach them
~20 grants/yr, median $27,500
Source: 990-PF Part XV via grantmakers.io.
Full filings on ProPublica · EIN 650871532
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Data: itemized grants from IRS 990-PF filings through 2023, via public records. Page updated September 1, 2026. Winnable Grants is not affiliated with Marshall E Rinker Sr Foundation Inc; figures are our reading of public filings — verify with the funder before applying. Nothing here is legal or financial advice.