Tosa Foundation
Tosa Foundation is a private foundation based in Portola Valley, California. In 2024, it reported 116 grants totaling $129,772,088, including awards for education, medical purposes, international work, and U.S. aid.
Tosa Foundation at a glance
In short: Tosa Foundation gave $129.8M across 116 grants in 2024 (avg $1.1M), mostly in Wisconsin. 23% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $129,772,088
- +46.0% vs 2023
- Grants made (2024)
- 116
- -21.6% vs 2023
- Average grant
- $1,118,725
- +86.3% vs 2023
- Median grant
- $5,000
- Total assets
- $391,617,057
- -18.6% vs 2023
- New grantees (estimate)
- 23% first-time grantees (27 of 116, 2024)
- Primary geography
- Wisconsin (70% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Tosa Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 3130 Alpine Road Pmb 705 288, Portola Valley, CA 94028
Phone: (650) 851-6922
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Tosa Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Fidelity Charitable Gift Fund - Taupo ($29.3M). Together the top 10 received $125.8M.
Grant Size Distribution
781 grants across all recorded years
The most common grant size was under $50K: 635 grants of 781 (81%).
Geographic Focus
Where this funder awards grants
In 2024, 70% of grant dollars went to recipients in Wisconsin, 23% to Ohio, 5% to New York, 1% to Colorado, and less than 1% to Alaska, as reported in the filing.
Grant Distribution by State
Share of 2024 grant dollars across all 116 itemized grants.
States
Cities
Is Tosa Foundation open to new grantees?
23%
first-time grantees, 2024
In 2024, 27 of 116 grantees (23%) were first-time recipients. First grants averaged $956K; repeat grants $1.2M. How we count
Medians: $5K first-time, $8K repeat.
- 58% of 2024 grantees were also funded in 2023. Method
- Giving grew 20% from 2021 to 2024. Method
- In 2024 it paid out 534% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). 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 2024, annual grant giving ranged from $46.1M (2022) to $129.8M (2024). In 2024 it made 116 grants totaling $129.8M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Fidelity Charitable Gift Fund - Taupo Cincinnati, OH | See Statement 15 | $29,346,141 |
| University of Wisconsin Foundation Madison, WI | Education | $26,000,000 |
| Fund for Wisconsin Scholars Madison, WI | Education | $25,000,000 |
| Morgridge Institute Foundation Madison, WI | Medical | $25,000,000 |
| Alverno College Milwaukee, WI | Education | $10,000,000 |
| African Leadership Foundation New York, NY | International | $5,000,000 |
| Milwaukee Public Schools Milwaukee, WI | Education | $2,403,213 |
| Boys and Girls Club of Greater Milwaukee Milwaukee, WI | Education | $1,269,784 |
| Covenant House New York, NY | US AID | $976,085 |
| Book Trust Denver, CO | Education | $813,000 |
Ready to take the next step with Tosa Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $391,617,057 | $52,610,043 | $130,852,488 | $129,772,088 | 116 | $103,037,420 | $52,524,927 | $19,284,086 |
| 2023 | $481,360,708 | $57,041,598 | $89,832,883 | $88,885,636 | 148 | $89,088,210 | $53,723,579 | $23,516,965 |
| 2022 | $505,364,370 | $45,134,010 | $47,905,491 | $46,104,859 | 152 | $46,304,896 | $63,993,863 | $26,531,003 |
| 2021 | $620,174,698 | $135,076,785 | $108,762,738 | $107,765,350 | 198 | $107,897,300 | $70,936,129 | $28,522,720 |
| 2020 | $593,763,925 | $84,531,812 | $62,285,273 | $61,127,880 | 167 | — | $36,169,601 | $27,466,552 |
Under IRS private-foundation payout rules, Tosa Foundation reported a distributable amount of $19.3M for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
The foundation’s filing describes distributions from limited partnerships and related income reported on its tax returns. Its 2024 grants included awards classified as education, medical, international, and U.S. aid.
Examples of supported organizations include the University of Wisconsin Foundation, whose stated mission is to advance the objectives of the University of Wisconsin–Madison by encouraging alumni, donor, and community engagement and support. Alverno College says it prepares women for personal and professional distinction and meaningful engagement, and also offers graduate and adult programs to women and men. The African Leadership Foundation says it seeks to develop young African leaders and entrepreneurs, primarily by supporting African Leadership Academy. Book Trust says it works to provide children equitable access to books of choice to promote reading motivation and engagement.
Grantmaking
In 2024, the foundation reported 116 grants totaling $129,772,088. Grant amounts ranged from $10 to $29,346,141, with a median of $5,000.
Among the largest awards were $29,346,141 to Fidelity Charitable Gift Fund - Taupo in Cincinnati, Ohio, with the purpose listed as “see Statement 15”; $26,000,000 to the University of Wisconsin Foundation for education; $25,000,000 to the Fund for Wisconsin Scholars for education; and $25,000,000 to the Morgridge Institute Foundation for medical purposes. Other notable grants included $10,000,000 to Alverno College for education, $5,000,000 to the African Leadership Foundation for international purposes, and $2,403,213 to Milwaukee Public Schools for education.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Tashia F. Morgridge as Director/President, John P. Morgridge as Director/CFO, and John D. Morgridge as Director.
Tosa Foundation is led by Tashia F. Morgridge, Director & President on every filing since 2020; 1 of 2 officers listed in 2024 is compensated.
Officers on the 2024 filing
Tashia F. Morgridge
Director & President
On filings since 2020
20 hrs/week
No compensation reported
John D. Morgridge
Director, CFO & Director
On filings since 2020
20 hrs/week
$30K (2020) → $30K (2024)
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $30K, to John D Morgridge (Director).
Frequently asked questions about Tosa Foundation
How much does Tosa Foundation give each year?
Tosa Foundation gave $129.8M across 116 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $88.9M across 148 grants.
What is Tosa Foundation's typical grant size?
Tosa Foundation's median grant in 2024 was $5,000, and its average grant was $1,118,725, across 116 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Tosa Foundation that year got $956K on average.
Where does Tosa Foundation give grants?
Tosa Foundation gives mostly in Wisconsin: 70% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Ohio (23%). The most frequent recipient cities were Milwaukee, WI (7 grants), San Francisco, CA (7 grants), Washington, DC (6 grants) and Madison, WI (5 grants).
Does Tosa Foundation give general operating support?
Occasionally: 3% of Tosa Foundation's 2024 grants with a stated purpose (3 of 116) were for general or operating support, per its 2024 IRS Form 990-PF. Recurring purposes include "US Aid" (42 grants), "Education" (23 grants) and "Conservation" (19 grants).
Who are Tosa Foundation's largest grantees?
Tosa Foundation's largest 2024 grantees include Fidelity Charitable Gift Fund - Taupo ($29,346,141), University of Wisconsin Foundation ($26,000,000) and Fund for Wisconsin Scholars ($25,000,000), according to its 2024 IRS Form 990-PF. Together they received 62% of its itemized 2024 grant dollars.
How large is Tosa Foundation?
Tosa Foundation reported $391.6M in total assets on its 2024 IRS Form 990-PF. It paid out $103.0M in qualifying distributions that year, against a required minimum of $19.3M (roughly 5% of its investment assets).
What does Tosa Foundation fund?
The foundation’s filing describes distributions from limited partnerships and related income reported on its tax returns. Its 2024 grants included awards classified as education, medical, international, and U.S. aid. See mission & focus areas ↑
How do I apply for a grant from Tosa Foundation?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Tosa Foundation's EIN?
Tosa Foundation's EIN (Employer Identification Number) is 94-3165171. IRS Form 990 filing data is available on this page for 2020–2024.
Does Tosa 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 October 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). Tosa Foundation funder profile. GrantGraph. Retrieved October 10, 2026, from https://grantable.co/funders/tosa-foundation-morg_4c16b92a0f6e4a55abb81223911d777d
BibTeX
@misc{grantable_943165171_2026,
author = {{Grantable}},
title = {{Tosa Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/tosa-foundation-morg_4c16b92a0f6e4a55abb81223911d777d},
note = {Accessed 2026-10-10. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Tosa 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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