Mark and Karla Stuart Foundation
The Mark and Karla Stuart Foundation is a private foundation based in San Diego, California. In 2025, it gave $30,590 through 22 grants to charitable organizations, including organizations working in areas such as cancer care, food assistance, and support for military personnel and their families.
Mark and Karla Stuart Foundation at a glance
In short: Mark and Karla Stuart Foundation gave $31K across 22 grants in 2025 (avg $1K), mostly in California. 45% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $30,590
- -5.7% vs 2024
- Grants made (2025)
- 22
- +22.2% vs 2024
- Average grant
- $1,390
- -22.8% vs 2024
- Median grant
- $1,000
- Total assets
- $814,193
- +13.3% vs 2024
- New grantees (estimate)
- 45% first-time grantees (10 of 22, 2025; small sample)
- Primary geography
- California (67% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Mark and Karla Stuart Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: 9191 Towne Centre Drive Ste 355, San Diego, CA 92122
Phone: (858) 455-5400
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Mark and Karla Stuart Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was SU2CANCER ($10K). Together the top 10 received $24K.
Grant Size Distribution
77 grants across all recorded years
The most common grant size was under $50K: 77 grants of 77 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 67% of grant dollars went to recipients in California and 22% to recipients in Florida. Illinois, Kentucky, and Washington, DC, each accounted for 3%.
Grant Distribution by State
Share of 2025 grant dollars across all 22 itemized grants.
States
Cities
Is Mark and Karla Stuart Foundation open to new grantees?
45%
first-time grantees, 2025
In 2025, 10 of 22 grantees (45%) were first-time recipients. With only 22 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. First grants averaged $1K; repeat grants $2K. How we count
Medians: $1K first-time, $1K repeat.
- 45% of 2025 grantees were also funded in 2024. Method
- Giving grew 417% from 2022 to 2025. Method
- In 2025 it paid out 85% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $6K (2022) to $32K (2024). In 2025 it made 22 grants totaling $31K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| SU2CANCER Los Angeles, CA | Charitable Purpose | $10,000 |
| Jung Optimist Los Angeles, CA | Charitable Purpose | $5,000 |
| WGA San Diego, CA | Charitable Purpose | $1,500 |
| Pink Ribbon Jax Ponte Vedra Beach, FL | Charitable Purpose | $1,500 |
| Troup #3349 San Diego, CA | Charitble Purpose | $1,100 |
| The Rotarty Foundation Evanston, IL | Charitable Purpose | $1,050 |
| Warrior Foundation Freedom Station San Diego, CA | Charitable Purpose | $1,000 |
| City of Hope Durate, CA | Charitable Purpose | $1,000 |
| Blessings in a Backpack Louisville, KY | Charitable Purpose | $1,000 |
| Beaches Community Fund Jacksonville, FL | Charitable Purpose | $1,000 |
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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 | $814,193 | $71,315 | $44,410 | $30,590 | 22 | $30,590 | $52,613 | $36,136 |
| 2024 | $718,504 | $43,731 | $45,654 | $32,429 | 18 | $32,429 | $31,930 | $31,681 |
| 2023 | $665,949 | $47,241 | $43,708 | $31,255 | 15 | $31,255 | $37,880 | $30,462 |
| 2022 | $588,803 | $5,257 | $19,774 | $5,920 | 9 | $5,920 | $3,326 | $32,522 |
| 2021 | $733,745 | $57,608 | $22,080 | $7,953 | 13 | $7,953 | $37,043 | $33,772 |
| 2020 | $658,613 | $31,071 | $22,348 | $9,096 | 6 | — | $19,891 | $29,722 |
Under IRS private-foundation payout rules, Mark and Karla Stuart Foundation reported a distributable amount of $36K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants included support for organizations with varied missions. City of Hope describes its mission as making hope a reality for people touched by cancer and diabetes. Blessings in a Backpack says it provides weekend food for school-aged children who might otherwise go hungry. Warrior Foundation Freedom Station says it assists and supports military service members and their families, including through quality-of-life items and support services during recovery.
Grantmaking
In 2025, the foundation made 22 grants totaling $30,590. Grants ranged from $100 to $10,000, with a median grant of $1,000. Among the largest grants were $10,000 to SU2CANCER and $5,000 to JUNG OPTIMIST, both in Los Angeles, California; $1,500 to WGA in San Diego and $1,500 to Pink Ribbon Jax in Ponte Vedra Beach, Florida; and $1,100 to Troup #3349 in San Diego.
Other 2025 grants included $1,000 each to Warrior Foundation Freedom Station, City of Hope, Blessings in a Backpack, Beaches Community Fund, Bright Holidays, and Possibilities Plus. The filing lists grant purposes as charitable purposes.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Mark H Stuart as director, president, and treasurer, and Karla Stuart as director, vice president, and secretary.
Mark and Karla Stuart Foundation is led by Mark H. Stuart, Director, President & Treasurer on every filing since 2020; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Mark H. Stuart
Director, President & Treasurer
On filings since 2020
1 hr/week
No compensation reported
Karla Stuart
Director, Vice President & Secrty
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 Mark and Karla Stuart Foundation
How much does Mark and Karla Stuart Foundation give each year?
Mark and Karla Stuart Foundation gave $31K across 22 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $32K across 18 grants.
What is Mark and Karla Stuart Foundation's typical grant size?
Mark and Karla Stuart Foundation's median grant in 2025 was $1,000, and its average grant was $1,390, across 22 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Mark and Karla Stuart Foundation that year got $1K on average.
Where does Mark and Karla Stuart Foundation give grants?
Mark and Karla Stuart Foundation gives mostly in California: 67% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Florida (22%). The most frequent recipient cities were San Diego, CA (4 grants), Jacksonville, FL (3 grants), Atlantic Beach, FL (3 grants) and Los Angeles, CA (2 grants).
Who are Mark and Karla Stuart Foundation's largest grantees?
Mark and Karla Stuart Foundation's largest 2025 grantees include SU2CANCER ($10,000), Jung Optimist ($5,000) and WGA ($1,500), according to its 2025 IRS Form 990-PF. Together they received 54% of its itemized 2025 grant dollars.
How large is Mark and Karla Stuart Foundation?
Mark and Karla Stuart Foundation reported $814K in total assets on its 2025 IRS Form 990-PF. It paid out $31K in qualifying distributions that year, against a required minimum of $36K (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 does Mark and Karla Stuart Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants included support for organizations with varied missions. City of Hope describes its mission as making hope a reality for people touched by cancer and diabetes. See mission & focus areas ↑
How do I apply for a grant from Mark and Karla Stuart Foundation?
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Mark and Karla Stuart Foundation's EIN?
Mark and Karla Stuart Foundation's EIN (Employer Identification Number) is 46-2805434. IRS Form 990 filing data is available on this page for 2020–2025.
Does Mark and Karla Stuart Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS August 16, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 9, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS June 10, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 12, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
- IRS filings on file for fiscal years 2020–2024
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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Mark and Karla Stuart Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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