Brontanus Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BYRON, IL. IRS filing data is available from 2020 through 2022. In 2022, it awarded 1 grants totaling $2.1M. Net investment income was $33K.
Financial Overview
From 2022 IRS Form 990-PF · View filing
Total Assets
—
-100.0% YoY
Annual Giving
$2.1M
+105.9% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$2.1M
+105.9% YoY
Under IRS private-foundation payout rules, Brontanus Foundation reported a distributable amount of $104K for 2022 — the minimum it must pay out in qualifying distributions.
About Brontanus Foundation
Based on IRS filings
Brontanus Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BYRON, IL. IRS filing data is available from 2020 through 2022. In 2022, it awarded 1 grants totaling $2.1M. Net investment income was $33K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2022 | 2021 | 2020 |
|---|---|---|---|
| Total Assets | — | $2,035,976 | $1,768,068 |
| Revenue | $39,627 | $1,039,068 | $1,065,441 |
| Expenses | $2,074,946 | $1,007,978 | $54,028 |
| Qualifying Distributions | $2,072,096 | $1,006,131 | — |
| Net Investment Income | $32,752 | $34,155 | $67,285 |
| Distributable Amount | $104,325 | $116,705 | $64,093 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2022
Grant Size Distribution
3 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2022 grants, the largest include Vanguard Charitable Fund ($2,069,585).
| Recipient | Purpose | Amount |
|---|---|---|
| VANGUARD CHARITABLE FUND WARWICK, RI | CHARITABLE | $2,069,585 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2022 IRS filing
From 2022 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| THOMAS A MULDOWNEY | PRESIDENT/SECRETARY | 0.2 | — |
| ROSEMARY L MULDOWNEY | VICE PRES/TREASURER | 0.2 | — |
| JESSICA N CONNORS | DIRECTOR | 0.1 | — |
| ELIZABETH N MULDOWNEY | DIRECTOR | 0.1 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Brontanus Foundation?
Brontanus Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BYRON, IL. It holds — in total assets as of 2022.
Where does Brontanus Foundation operate?
Brontanus Foundation has awarded grants in Rhode Island.
What size grants does Brontanus Foundation award?
In 2022, Brontanus Foundation awarded 1 grants totaling $2.1M — an average of about $2.1M per grant, based on its IRS Form 990 filings.
How much is Brontanus Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2022, Brontanus Foundation reported a distributable amount of $104K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Brontanus Foundation's EIN?
Brontanus Foundation's EIN (Employer Identification Number) is 82-3388781. IRS Form 990 filing data is available on this page for 2020–2022.
Explore Open Grants
Browse active grant opportunities in Brontanus Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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