Joseph & Martye Rubin Foundation
Joseph & Martye Rubin Foundation is a private foundation, based in San Antonio, TX. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $54K in total assets. In 2025, it awarded 8 grants totaling $18K. Net investment income was $8K.
Joseph & Martye Rubin Foundation at a glance
In short: Joseph & Martye Rubin Foundation gave $18K across 8 grants in 2025 (avg $2K), mostly in Texas. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $18,450
- -32.6% vs 2024
- Grants made (2025)
- 8
- +33.3% vs 2024
- Average grant
- $2,306
- -49.4% vs 2024
- Median grant
- $1,775
- Total assets
- $54,098
- -16.7% vs 2024
- Primary geography
- Texas (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 Joseph & Martye Rubin Foundation funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2025
The largest 2025 recipient was 15 and the Mahomies Foundation ($5K). Together the top 8 received $18K.
Grant Size Distribution
44 grants across all recorded years
The most common grant size was under $50K: 44 grants of 44 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 8 itemized grants.
Cities
How Joseph & Martye Rubin Foundation gives
- Giving fell 41% from 2022 to 2025. Method
- In 2025 it paid out 94% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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 2020 to 2025, annual grant giving ranged from $7K (2021) to $32K (2022). In 2025 it made 8 grants totaling $18K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| 15 and the Mahomies Foundation Austin, TX | Operating fund | $5,000 |
| Right Connection Foundation San Antonio, TX | Operating fund | $4,650 |
| Jewish Federation of San Antonio San Antonio, TX | Operating fund | $3,000 |
| Texas Biomedical Research Institute San Antonio, TX | Operating fund | $2,300 |
| Holocaust Memorial Museum of San Antonio San Antonio, TX | Operating fund | $1,250 |
| San Antonio Legal Services Association San Antonio, TX | Operating fund | $1,000 |
| Texas Cavaliers Foundation San Antonio, TX | Operating fund | $1,000 |
| SNIPSA Inc San Antonio, TX | Operating fund | $250 |
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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 | $54,098 | $9,794 | $20,420 | $18,450 | 8 | $18,450 | $7,824 | $19,547 |
| 2024 | $64,939 | $9,494 | $29,260 | $27,360 | 6 | $27,360 | $7,594 | $19,193 |
| 2023 | $84,861 | $9,118 | $29,620 | $25,950 | 14 | $25,950 | $5,448 | $20,034 |
| 2022 | $105,363 | $8,701 | $33,300 | $31,500 | 8 | $31,500 | $6,901 | $21,663 |
| 2021 | $129,760 | $8,488 | $10,650 | $7,150 | 8 | — | $8,488 | $20,605 |
| 2020 | $132,041 | $8,771 | $23,075 | $17,925 | 11 | — | $8,771 | $19,836 |
Under IRS private-foundation payout rules, Joseph & Martye Rubin Foundation reported a distributable amount of $20K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Joseph & Martye Rubin Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
James M O Rubin
Co Trustee Part-Time
On filings since 2020
2 hrs/week
$900 (2020) → $0 (2025)
Joe P Rubin
Co-Trustee Part-Time
On filings since 2020
2 hrs/week
$900 (2020) → $0 (2025)
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.
Compensation Overview
From 2022 IRS filing
The highest reported compensation on the 2022 filing was $900, to Joe P Rubin (Co-Trustee Part-Time). 2 officers or directors reported compensation on that filing.
Frequently asked questions about Joseph & Martye Rubin Foundation
How much does Joseph & Martye Rubin Foundation give each year?
Joseph & Martye Rubin Foundation gave $18K across 8 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $27K across 6 grants.
What is Joseph & Martye Rubin Foundation's typical grant size?
Joseph & Martye Rubin Foundation's median grant in 2025 was $1,775, and its average grant was $2,306, across 8 grants on its 2025 IRS Form 990-PF.
Where does Joseph & Martye Rubin Foundation give grants?
Joseph & Martye Rubin Foundation gives mostly in Texas: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were San Antonio, TX (7 grants).
Does Joseph & Martye Rubin Foundation give general operating support?
Yes: 100% of Joseph & Martye Rubin Foundation's 2025 grants with a stated purpose (8 of 8) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Joseph & Martye Rubin Foundation's largest grantees?
Joseph & Martye Rubin Foundation's largest 2025 grantees include 15 and the Mahomies Foundation ($5,000), Right Connection Foundation ($4,650) and Jewish Federation of San Antonio ($3,000), according to its 2025 IRS Form 990-PF. Together they received 69% of its itemized 2025 grant dollars.
How large is Joseph & Martye Rubin Foundation?
Joseph & Martye Rubin Foundation reported $54K in total assets on its 2025 IRS Form 990-PF. It paid out $18K in qualifying distributions that year, against a required minimum of $20K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What is Joseph & Martye Rubin Foundation's EIN?
Joseph & Martye Rubin Foundation's EIN (Employer Identification Number) is 74-6041430. 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.
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 July 15, 2026)
- IRS filings on file for fiscal years 2020–2024
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