Jinnie K Simonsen and John V Carbone
Jinnie K Simonsen and John V Carbone is a private foundation focused on Medical Research, based in TIBURON, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.5M in total assets. In 2024, it awarded 15 grants totaling $297K. Net investment income was $144K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$1.5M
+2419.7% YoY
Annual Giving
$297K
+515.2% YoY
Grant Count
15
+7.1% YoY
Avg Grant Size
$20K
+474.2% YoY
Under IRS private-foundation payout rules, Jinnie K Simonsen and John V Carbone reported a distributable amount of $251K for 2024 — the minimum it must pay out in qualifying distributions.
About Jinnie K Simonsen and John V Carbone
Based on IRS filings
Jinnie K Simonsen and John V Carbone is a private foundation focused on Medical Research, based in TIBURON, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.5M in total assets. In 2024, it awarded 15 grants totaling $297K. Net investment income was $144K.
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 | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $1,508,502 | $59,869 | $69,641 |
| Revenue | $1,727,877 | $45,944 | $159,446 |
| Expenses | $357,380 | $55,716 | $158,720 |
| Qualifying Distributions | $357,107 | $54,412 | $158,720 |
| Net Investment Income | $144,446 | $19,640 | $89,667 |
| Distributable Amount | $251,202 | $17,412 | $11,335 |
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
42 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Eatonville Dollars for Scholars ($100,000), Marin Health Foundation ($100,000), SF Opera Guild ($25,588).
| Recipient | Purpose | Amount |
|---|---|---|
| Eatonville Dollars for Scholars Eatonville, WA | Contribution to General Fund. | $100,000 |
| Vivalon San Rafael, CA | Contribution to General Fund. | $3,500 |
| Marin Health Foundation Cancer Care Greenbrae, CA | Contribution to General Fund. | $5,000 |
| Marin Health Foundation Greenbrae, CA | Contribution to General Fund. | $100,000 |
| SF Marin Food Bank San Rafael, CA | Contribution to General Fund. | $1,000 |
| Marin Health Foundation Racoons Greenbrae, CA | Contribution to General Fund. | $12,500 |
| SF Opera Guild San Francisco, CA | Contribution to General Fund. | $25,588 |
| By the Bay Hospice Larkspur, CA | Contribution to General Fund. | $20,000 |
| Chabad of Tiburon Tiburon, CA | Contribution to General Fund. | $2,500 |
| Integrated Community Services San Rafael, CA | Contribution to General Fund. | $5,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Jinnie K Simonsen | President & CEO | — | — |
| John V Carbone | Vice President | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Jinnie K Simonsen and John V Carbone?
Jinnie K Simonsen and John V Carbone is a private foundation focused on Medical Research, based in TIBURON, CA. It holds $1.5M in total assets as of 2024.
How large is Jinnie K Simonsen and John V Carbone?
As of 2024, Jinnie K Simonsen and John V Carbone holds $1.5M in total assets with $1.7M in annual revenue. It awarded 15 grants totaling $297K in 2024.
Where does Jinnie K Simonsen and John V Carbone operate?
Jinnie K Simonsen and John V Carbone has awarded grants in California, Florida, Missouri, New York, Washington.
What size grants does Jinnie K Simonsen and John V Carbone award?
In 2024, Jinnie K Simonsen and John V Carbone awarded 15 grants totaling $297K — an average of about $20K per grant, based on its IRS Form 990 filings.
How much is Jinnie K Simonsen and John V Carbone required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Jinnie K Simonsen and John V Carbone reported a distributable amount of $251K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Jinnie K Simonsen and John V Carbone's EIN?
Jinnie K Simonsen and John V Carbone's EIN (Employer Identification Number) is 85-2237636. IRS Form 990 filing data is available on this page for 2020–2024.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.