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Tomkat Foundation

Private foundation · Grantmaker San Francisco, CA EIN: 92-1160421 Website

Tomkat Foundation is a private foundation based in San Francisco, California. Its 2024 filing reports 50 grants totaling $4,999,630, with all listed grant purposes described as general operating support. Recipients included organizations working in sustainability education, climate policy, youth services, higher education, and community philanthropy.

Tomkat Foundation at a glance

In short: Tomkat Foundation gave $5.0M across 50 grants in 2024 (avg $100K), mostly in California. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$4,999,630
-38.4% vs 2023
Grants made (2024)
50
+150.0% vs 2023
Average grant
$99,993
-75.4% vs 2023
Median grant
$25,000
Total assets
$42,795,689
-12.9% vs 2023
Primary geography
California (53% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026.

How to apply to Tomkat Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 111 Sutter Street 10Th Floor, San Francisco, CA 94104
Phone: (415) 529-5692

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Tomkat Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Center for Ecoliteracy: $750KCenter for Ecoliteracy$750KNextgen Climate America: $650KNextgen Climate America$650KRegenesis Community Development: $650KRegenesis CommunityDevelopment$650KPresident & Fellows of Harvard College: $500KPresident & Fellows of HarvardCollege$500KEat Learn Play Foundation: $250KEat Learn Play Foundation$250KGlenbrook Underground: $250KGlenbrook Underground$250KGood Samaritan: $235KGood Samaritan$235KMeridian Institute: $175KMeridian Institute$175KPerforming Stars of Marin: $158KPerforming Stars of Marin$158KMarin Community Foundation: $112KMarin Community Foundation$112K

The largest 2024 recipient was Center for Ecoliteracy ($750K). Together the top 10 received $3.7M.

Grant Size Distribution

70 grants across all recorded years

40<$50K8$50–100K10$100–250K4$250–500K6$500K–1M2$1–5M$5M+

The most common grant size was under $50K: 40 grants of 70 (57%).

Geographic Focus

Where this funder awards grants

In 2024, recipients in California received 53% of grant dollars, followed by recipients in South Dakota at 15%, Massachusetts at 10%, Nevada at 5%, and Oklahoma at 5%. The 2024 grants also included recipients in Colorado.

Grant Distribution by State

17states

Share of 2024 grant dollars across all 50 itemized grants.

Cities

OaklandSan FranciscoBerkeleyDillonMadisonMarin CityNew YorkNovatoPlaya VistaSonomaSouth Lake TahoeSpartanburgAptosBakersfieldBoulderCambridgeCarson CityCharlotteClarkstonCohagen

How Tomkat Foundation gives

  • 32% of 2024 grantees were also funded in 2023. Method
  • In 2024 it paid out 240% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (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

$0$2.5M$5M$7.5M$10M0 grants2022 20 grants2023 50 grants2024

From 2023 to 2024, annual grant giving ranged from $5.0M (2024) to $8.1M (2023). In 2024 it made 50 grants totaling $5.0M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Center for Ecoliteracy Berkeley, CAGeneral Operating Support$750,000
Nextgen Climate America San Francisco, CAGeneral Operating Support$650,000
Regenesis Community Development Spartanburg, SDGeneral Operating Support$650,000
President & Fellows of Harvard College Cambridge, MAGeneral Operating Support$500,000
Eat Learn Play Foundation Oakland, CAGeneral Operating Support$250,000
Glenbrook Underground Carson City, NVGeneral Operating Support$250,000
Good Samaritan Tulsa, OKGeneral Operating Support$235,000
Meridian Institute Dillon, COGeneral Operating Support$175,000
Performing Stars of Marin Marin City, CAGeneral Operating Support$157,500
Marin Community Foundation Novato, CAGeneral Operating Support$111,630
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$42,795,689$5,535,246$5,236,946$4,999,63050$5,192,332$2,683,989$2,166,024
2023$49,126,680$12,365,457$8,311,481$8,114,45020$8,300,448—$2,061,812
2022$46,406,503———————

Under IRS private-foundation payout rules, Tomkat Foundation reported a distributable amount of $2.2M 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 earlier profile describes the foundation’s focus areas as “Good Money,” “Good Food,” and “Good Energy,” covering financial systems and economic prosperity, sustainable food systems, and climate change mitigation and clean energy. Its 2024 grants also went to organizations whose own missions span other areas.

For example, the Center for Ecoliteracy says it cultivates education for the sustainability of people and the planet. NextGen Climate America describes work advancing equity and justice for Californians, including climate resilience, college access, workforce training, and food security. The President and Fellows of Harvard College describes its mission as education and research across academic domains. Other 2024 grantees include Eat Learn Play Foundation, which describes a whole-child, whole-school approach to transforming the public school experience; Marin Performing Stars, which offers music and arts programs for children from low-income families; and Marin Community Foundation, which says it mobilizes philanthropy to advance equity for people, places, and the planet.

Grantmaking

In filing year 2024, the foundation reported 50 grants totaling $4,999,630. Grants ranged from $10,000 to $750,000, with a median grant of $25,000. In 2023, it reported 20 grants totaling $8,114,450. Its 2024 filing, the latest on this page, reports 50 grants totaling $5 million.

The largest reported 2024 grants included $750,000 to the Center for Ecoliteracy; $650,000 each to NextGen Climate America and Regenesis Community Development; $500,000 to the President and Fellows of Harvard College; and $250,000 each to Eat Learn Play Foundation and Glenbrook Underground. The filing lists each of these grants as general operating support.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Kathryn A. Taylor as president and Thomas Steyer as director.

Tomkat Foundation is led by Kathryn A. Taylor, President on every filing since 2022; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Kathryn A. Taylor

    President

    On filings since 2022

    1 hr/week

    No compensation reported

  • Thomas Steyer

    Director

    On filings since 2023

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2022–2024. "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 Tomkat Foundation

How much does Tomkat Foundation give each year?

Tomkat Foundation gave $5.0M across 50 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $8.1M across 20 grants.

What is Tomkat Foundation's typical grant size?

Tomkat Foundation's median grant in 2024 was $25,000, and its average grant was $99,993, across 50 grants on its 2024 IRS Form 990-PF.

Where does Tomkat Foundation give grants?

Tomkat Foundation gives mostly in California: 53% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were South Dakota (15%) and Massachusetts (10%). The most frequent recipient cities were San Francisco, CA (8 grants), Oakland, CA (6 grants) and Berkeley, CA (2 grants).

Does Tomkat Foundation give general operating support?

Yes: 100% of Tomkat Foundation's 2024 grants with a stated purpose (50 of 50) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are Tomkat Foundation's largest grantees?

Tomkat Foundation's largest 2024 grantees include Center for Ecoliteracy ($750,000), Nextgen Climate America ($650,000) and Regenesis Community Development ($650,000), according to its 2024 IRS Form 990-PF. Together they received 41% of its itemized 2024 grant dollars.

How large is Tomkat Foundation?

Tomkat Foundation reported $42.8M in total assets on its 2024 IRS Form 990-PF. It paid out $5.2M in qualifying distributions that year, against a required minimum of $2.2M (roughly 5% of its investment assets).

What does Tomkat Foundation fund?

The earlier profile describes the foundation’s focus areas as “Good Money,” “Good Food,” and “Good Energy,” covering financial systems and economic prosperity, sustainable food systems, and climate change mitigation and clean energy. See mission & focus areas ↑

How do I apply for a grant from Tomkat Foundation?

The foundation states that it 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 Tomkat Foundation's EIN?

Tomkat Foundation's EIN (Employer Identification Number) is 92-1160421. IRS Form 990 filing data is available on this page for 2022–2024.

Does Tomkat 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

  1. IRS filings on file for fiscal years 2022–2024

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Environment & Animals

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—

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Cite this profile

Grantable. (2026). Tomkat Foundation funder profile. GrantGraph. Retrieved October 12, 2026, from https://grantable.co/funders/tomkat-foundation-morg_0444f29b92354f8b9e849c7cd2ab1c13

BibTeX
@misc{grantable_921160421_2026,
  author       = {{Grantable}},
  title        = {{Tomkat Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/tomkat-foundation-morg_0444f29b92354f8b9e849c7cd2ab1c13},
  note         = {Accessed 2026-10-12. 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 Tomkat 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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