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
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
Ready to take the next step with Brontanus Foundation?
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
No grants recorded for .
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
Related Funders
Similar funders by location and focus area
Green and Blue Foundation
CHICAGO, IL
Assets
—
Grants
3
Total Given
$51K
Above and Beyond Daycare Center
FAIRVIEW HEIGHTS, IL
Assets
—
Grants
0
Total Given
—
Primo Center for Women & Children
CHICAGO, IL
Assets
$9.7M
Grants
1
Total Given
$35K
Rose Lafferty Educational Fund Xxxxx9006
CHICAGO, IL
Assets
$3.4M
Grants
1
Total Given
$228K
The John Crerar Foundation
CHICAGO, IL
Assets
$991K
Grants
1
Total Given
$35K
Fostering Success
WAYNE, IL
Assets
$38K
Grants
1
Total Given
$2K
Data last updated April 2026. Sourced from IRS Form 990-PF filings.
What could you do with Brontanus Foundation on Grantable?
- Assess strategic fit with your organization
- Draft a tailored letter of inquiry
- Find open RFPs from this funder
- Monitor for new funding opportunities