Radix Earth Foundation
Radix Earth Foundation is a private foundation, based in Wilmington, DE. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $972K in total assets. In 2025, it awarded 4 grants totaling $61K. Net investment income was $22K.
Radix Earth Foundation at a glance
In short: Radix Earth Foundation gave $61K across 4 grants in 2025 (avg $15K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $61,350
- +104.5% vs 2024
- Grants made (2025)
- 4
- +100.0% vs 2024
- Average grant
- $15,338
- +2.3% vs 2024
- Median grant
- $5,000
- Total assets
- $971,609
- -6.7% vs 2024
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Radix Earth Foundation funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
The largest 2025 recipient was Save the Redwoods League ($50K). Together the top 3 received $61K.
Grant Size Distribution
10 grants across all recorded years
The most common grant size was under $50K: 6 grants of 10 (60%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
States
Cities
How Radix Earth Foundation gives
- Giving held roughly steady from 2022 to 2025 (+2%). Method
- In 2025 it paid out 121% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2025, annual grant giving ranged from $30K (2024) to $500K (2021). In 2025 it made 4 grants totaling $61K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Save the Redwoods League San Francisco, CA | General & Unrestricted | $50,000 |
| San Domenico School San Anselmo, CA | Sustainable Future Fund to provide essential resources to continue to enhance the commitment to responsible environmental stewardship programs | $5,000 |
| San Domenico School San Anselmo, CA | Sustainability and Environmental Stewardship program | $5,000 |
| Los Angeles Regional Food Bank Vernon, CA | General & Unrestricted | $1,350 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $971,609 | $19,949 | $89,718 | $61,350 | 4 | $75,988 | $21,697 | $62,623 |
| 2024 | $1,041,378 | $20,708 | $45,503 | $30,000 | 2 | $38,410 | $23,296 | $58,221 |
| 2023 | $1,066,173 | $15,772 | $120,470 | $100,000 | 1 | $111,054 | $28,407 | $55,322 |
| 2022 | $1,170,871 | $-11,065 | $81,406 | $60,000 | 2 | $70,972 | $9,404 | $58,195 |
| 2021 | $1,263,342 | $1,770,270 | $506,928 | $500,000 | 1 | $506,928 | $270 | $9,703 |
Under IRS private-foundation payout rules, Radix Earth Foundation reported a distributable amount of $63K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Radix Earth Foundation is led by Robert L Dixon, Director, President & Secretary on every filing since 2021; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Robert L Dixon
Director, President & Secretary
On filings since 2021
8 hrs/week
No compensation reported
Maricela Perdomo
Director & Treasurer
On filings since 2021
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "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 Radix Earth Foundation
How much does Radix Earth Foundation give each year?
Radix Earth Foundation gave $61K across 4 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $30K across 2 grants.
What is Radix Earth Foundation's typical grant size?
Radix Earth Foundation's median grant in 2025 was $5,000, and its average grant was $15,338, across 4 grants on its 2025 IRS Form 990-PF.
Where does Radix Earth Foundation give grants?
Radix Earth Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were San Anselmo, CA (2 grants).
Does Radix Earth Foundation give general operating support?
Yes: 50% of Radix Earth Foundation's 2025 grants with a stated purpose (2 of 4) were for general or operating support, per its 2025 IRS Form 990-PF.
How large is Radix Earth Foundation?
Radix Earth Foundation reported $972K in total assets on its 2025 IRS Form 990-PF. It paid out $76K in qualifying distributions that year, against a required minimum of $63K (roughly 5% of its investment assets).
What is Radix Earth Foundation's EIN?
Radix Earth Foundation's EIN (Employer Identification Number) is 87-2470710. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS June 25, 2026)
- IRS filings on file for fiscal years 2021–2024
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