The Caitlin Bull Foundation
The Caitlin Bull Foundation is a private foundation focused on Diseases, Disorders & Medical Disciplines, based in RIVER FOREST, IL. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $5.4M in total assets. In 2025, it awarded 2 grants totaling $251K. Net investment income was $245K.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$5.4M
+6.4% YoY
Annual Giving
$251K
-21.6% YoY
Grant Count
2
-60.0% YoY
Avg Grant Size
$125K
+96.0% YoY
About The Caitlin Bull Foundation
Based on IRS filings
The Caitlin Bull Foundation is a private foundation focused on Diseases, Disorders & Medical Disciplines, based in RIVER FOREST, IL. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $5.4M in total assets. In 2025, it awarded 2 grants totaling $251K. Net investment income was $245K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $5,445,287 | $5,117,936 | $4,693,868 |
| Revenue | $628,965 | $787,116 | $325,361 |
| Expenses | $301,614 | $363,048 | $184,700 |
| Qualifying Distributions | $254,560 | $319,500 | $155,000 |
| Net Investment Income | $245,239 | $432,926 | $122,667 |
| Distributable Amount | $267,485 | $244,871 | $226,770 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
Grant Size Distribution
13 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 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Keith Jackson | President | — | — |
| Nicholas Markham | Treasurer | — | — |
| Viktor Zysman | Secretary | — | — |
Subject Areas
Focus areas based on grantmaking activity
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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