Charity Search / JINNIE K SIMONSEN AND JOHN V CARBONE FOUNDATION
Medical Research (H30) 990 on File

JINNIE K SIMONSEN AND JOHN V CARBONE FOUNDATION

EIN: 85-2237636 · TIBURON, CA 94920-2084 · United States · FY 2024 Data
3 out of 5 43 / 100 Based on 2+ years of filings
Financial strength (30%) 71/100
Reliability (20%) 45/100
Effectiveness (25%) 51/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
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CharityAI™ Score
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Financial Overview — FY 2024
$1.7M
Total Revenue
$357K
Total Expenses
$1.4M
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 99.9%
Fundraising Efficiency N/A
Operating Reserve 47.00x
Liability-to-Asset 7.2%
Revenue Diversification 91.6%
Compared with Peers
FY 2024
Compared with 726 similar organizations (United States, Medical Research, $100K–$1M in expenses), FY 2024.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
99.9% 84.5%
P10P90
Top quarter
Operating reserve
Months of expenses covered by net assets · higher is better
47.0 mo 13.4 mo
P10P90
Top quarter
Liabilities to assets
Total liabilities / total assets · lower is better
7.2% 0.4%
P10P90
Bottom quarter
Revenue concentration
Share of revenue from the largest source · lower is better
91.6% 93.3%
P10P90
Above median
Revenue growth
Year over year revenue growth
3660.8% 9.1%
P10P90
Expense growth
Year over year expense growth
541.4% 8.8%
P10P90
Surplus margin
Surplus as a share of revenue
79.3% 1.8%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $1.7M $357K $1.4M 99.9% —
2023 $46K $56K $29K 97.7% —
2022 $159K $159K $39K 100.0% —
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Organization Details
EIN
85-2237636
State
CA
City
TIBURON
ZIP
94920-2084
Classification
H30
Category
Medical Research
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
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