John J and Ann E Mariotti Foundation
John J and Ann E Mariotti Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Plainfield, IL. IRS filing data is available from 2019 through 2024. In 2024, it awarded 14 grants totaling $46K.
Key facts about John J and Ann E Mariotti Foundation
- EIN
- 36-4381984
- Latest 990 filing
- Form 990-PF, 2024
- Annual giving (2024)
- $46,200
- Grants made (2024)
- 14
- Average grant
- $3,300
- Median grant
- $2,300
- New grantees (estimate)
- 43% first-time grantees (6 of 14, 2024)
- Primary geography
- Illinois (44% of itemized 2024 grant dollars)
Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
Who John J and Ann E Mariotti Foundation funds
By grant dollars, the top recipient states for John J and Ann E Mariotti Foundation's 14 itemized 2024 grants were Illinois (44%), Indiana (43%) and North Carolina (6%). The most frequent recipient cities were Chicago, IL (2 grants) and Elgin, IL (2 grants). 100% of grants with a stated purpose were for general or operating support.
Is John J and Ann E Mariotti Foundation open to new grantees?
43%
first-time grantees, 2024
In 2024, 6 of 14 grantees (43%) were first-time recipients. First grants averaged $2K; repeat grants $4K. How we count
Medians: $2K first-time, $3K repeat.
Estimate from itemized IRS Form 990-PF grant lists (2019–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Next steps with John J and Ann E Mariotti Foundation
- How to evaluate John J and Ann E Mariotti Foundation as a funder
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Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$46K
+19.3% YoY
Grant Count
14
+7.7% YoY
Avg Grant Size
$3K
+10.7% YoY
About John J and Ann E Mariotti Foundation
Based on IRS filings
John J and Ann E Mariotti Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Plainfield, IL. IRS filing data is available from 2019 through 2024. In 2024, it awarded 14 grants totaling $46K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 14 itemized 2024 grant dollars.
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2019–2024
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
56 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest recipients include Maxville Christian Church ($16,000), Save Inc ($4,000), Fox Valley Christian Action ($3,500).
| Recipient | Purpose | Amount |
|---|---|---|
| MAXVILLE CHRISTIAN CHURCH Winchester, IN | UNRESTRICTED CONTRIBUTION | $16,000 |
| SAVE INC Carmel, IN | UNRESTRICTED CONTRIBUTION | $4,000 |
| FOX VALLEY CHRISTIAN ACTION St Charles, IL | UNRESTRICTED CONTRIBUTION | $3,500 |
| WAYSIDE CROSS MINISTRIES Aurora, IL | UNRESTRICTED CONTRIBUTION | $3,500 |
| MOODY RADIO Chicago, IL | UNRESTRICTED CONTRIBUTION | $3,000 |
| GLOBAL SERVICE NETWORK Apex, NC | UNRESTRICTED CONTRIBUTION | $3,000 |
| RETT SYNDROME FOUNDATION Cincinnati, OH | UNRESTRICTED CONTRIBUTION | $2,600 |
| HARVEST CHRISTIAN ACADEMY Elgin, IL | UNRESTRICTED CONTRIBUTION | $2,000 |
| HARVEST BIBLE CHAPEL Elgin, IL | UNRESTRICTED CONTRIBUTION | $2,000 |
| ONE LINE CHURCH Wheaton, IL | UNRESTRICTED CONTRIBUTION | $2,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
No officer or director reported compensation in the available filings.
From 2024 IRS filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| John Mariotti Jr | President | — | — |
| Francis Molinari | Secretary | — | — |
| Patricia Anderson | Treasurer | — | — |
| Ann Fidati | Director | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is John J and Ann E Mariotti Foundation?
John J and Ann E Mariotti Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Plainfield, IL. It holds — in total assets as of 2024.
Where does John J and Ann E Mariotti Foundation operate?
John J and Ann E Mariotti Foundation has awarded grants in Florida, Georgia, Illinois, Indiana, Missouri, North Carolina, New York, Ohio, Tennessee, Virginia.
What size grants does John J and Ann E Mariotti Foundation award?
In 2024, John J and Ann E Mariotti Foundation awarded 14 grants totaling $46K — an average of about $3K per grant, based on its IRS Form 990 filings.
What is John J and Ann E Mariotti Foundation's EIN?
John J and Ann E Mariotti Foundation's EIN (Employer Identification Number) is 36-4381984. IRS Form 990 filing data is available on this page for 2019–2024.
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Data last updated September 2026. Sourced from IRS Form 990-PF filings.