Cadieux Martin Foundation
Cadieux Martin Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in Tiburon, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $305K in total assets. In 2025, it awarded 15 grants totaling $59K. Net investment income was $50K.
Key facts about Cadieux Martin Foundation
In short: Cadieux Martin Foundation gave $59K across 15 grants in 2025 (avg $4K), top state California. 13% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- EIN
- 68-6121768
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $59,000
- Grants made (2025)
- 15
- Average grant
- $3,933
- Median grant
- $3,000
- New grantees (estimate)
- 13% first-time grantees (2 of 15, 2025)
- Total assets
- $305,024
- Primary geography
- California (42% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$305K
-4.1% YoY
Annual Giving
$59K
+107.0% YoY
Grant Count
15
+0.0% YoY
Avg Grant Size
$4K
+107.0% YoY
Is Cadieux Martin Foundation open to new grantees?
13%
first-time grantees, 2025
In 2025, 2 of 15 grantees (13%) were first-time recipients. First grants averaged $2K; repeat grants $4K. How we count
Medians: $2K first-time, $5K repeat.
- 80% of 2025 grantees were also funded in 2024. Method
- Giving grew 39% from 2022 to 2025. Method
- In 2024 it paid out 119% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 15 itemized 2025 grant dollars.
States
Cities
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 2025
Grant Size Distribution
80 grants across all recorded years
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| SF MARIN FOOD BANK San Francisco, CA | FOR UNRESTRICTED USE IN TAX EXEMPT PURPOSE | $12,000 |
| DOCTORS WITHOUT BORDERS Hagerstown, MD | FOR UNRESTRICTED USE IN TAX EXEMPT PURPOSE | $5,000 |
| HABITAT FOR HUMANITY INTERNATIONAL Americus, GA | FOR UNRESTRICTED USE IN TAX EXEMPT PURPOSE | $5,000 |
| ILLINOIS INSTITUTE OF TECHNOLOGY Chicago, IL | FOR UNRESTRICTED USE IN TAX EXEMPT PURPOSE | $5,000 |
| TULANE SCHOOL OF MEDICINE New Orleans, LA | FOR UNRESTRICTED USE IN TAX EXEMPT PURPOSE | $5,000 |
| UCSF FOUNDATION San Fransisco, CA | FOR UNRESTRICTED USE IN TAX EXEMPT PURPOSE | $5,000 |
| UNIVERSITY OF CHICAGO BOOTH Chicago, IL | FOR UNRESTRICTED USE IN TAX EXEMPT PURPOSE | $5,000 |
| AIM HIGH San Francisco, CA | FOR UNRESTRICTED USE IN TAX EXEMPT PURPOSE | $3,000 |
| UC BERKELEY FOUNDATION Berkeley, CA | FOR UNRESTRICTED USE IN TAX EXEMPT PURPOSE | $3,000 |
| ACLU FOUNDATION New York, NY | FOR UNRESTRICTED USE IN TAX EXEMPT PURPOSE | $2,000 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $305,024 | $318,053 | $332,198 |
| Revenue | $50,382 | $20,162 | $6,557 |
| Expenses | $63,411 | $34,307 | $50,425 |
| Qualifying Distributions | $59,000 | $28,500 | $45,000 |
| Net Investment Income | $50,382 | $14,355 | $6,174 |
| Distributable Amount | — | $23,882 | $23,045 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS June 29, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 12, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 11, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS August 22, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 21, 2026)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS June 29, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 12, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 11, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS August 22, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 21, 2026)
Leadership & Key People
Officers and directors from IRS filings
Cadieux Martin Foundation is led by Mary Martin Cadieux, Trustee on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Mary Martin Cadieux
Trustee
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Cadieux Martin Foundation
How much does Cadieux Martin Foundation give each year?
Cadieux Martin Foundation gave $59K across 15 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $29K across 15 grants.
What is Cadieux Martin Foundation's typical grant size?
Cadieux Martin Foundation's median grant in 2025 was $3,000, and its average grant was $3,933, across 15 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Cadieux Martin Foundation that year got $2K on average.
Where does Cadieux Martin Foundation give grants?
Cadieux Martin Foundation's top state is California, with 42% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Illinois (17%) and Maryland (8%). The most frequent recipient cities were San Francisco, CA (2 grants), Chicago, IL (2 grants) and New York, NY (2 grants).
Does Cadieux Martin Foundation give general operating support?
Yes: 100% of Cadieux Martin Foundation's 2025 grants with a stated purpose (15 of 15) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Cadieux Martin Foundation's largest grantees?
Cadieux Martin Foundation's largest 2025 grantees include SF Marin Food Bank ($12,000), Doctors Without Borders ($5,000) and Habitat for Humanity International ($5,000), according to its 2025 IRS Form 990-PF. Together they received 37% of its itemized 2025 grant dollars.
How large is Cadieux Martin Foundation?
Cadieux Martin Foundation reported $305K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $50K.
What is Cadieux Martin Foundation?
Cadieux Martin Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in Tiburon, CA. It holds $305K in total assets as of 2025.
What is Cadieux Martin Foundation's EIN?
Cadieux Martin Foundation's EIN (Employer Identification Number) is 68-6121768. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Here's the math on researching Cadieux Martin Foundation by hand.
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