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The Fat Tire Foundation

Foundation · Grantmaker Los Altos, CA EIN: 20-8066058 Website

The Fat Tire Foundation is a private grantmaking foundation established in 2006 and based in Los Altos, California. As a 501(c)(3) organization, it operates as a family foundation focused on philanthropic giving across multiple cause areas.

Key facts about The Fat Tire Foundation

EIN
20-8066058
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$3,128,017
Grants made (2024)
43
Average grant
$72,745
Median grant
$25,000
New grantees (estimate)
21% first-time grantees (9 of 43, 2024)
Total assets
$86,600,524
Primary geography
California (54% of itemized 2024 grant dollars)
Accepts unsolicited proposals
No

Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who The Fat Tire Foundation funds

By grant dollars, the top recipient states for The Fat Tire Foundation's 43 itemized 2024 grants were California (54%), New York (20%) and District of Columbia (11%). The most frequent recipient cities were San Francisco, CA (12 grants), New York, NY (6 grants), Oakland, CA (4 grants) and Washington, DC (3 grants). None of its 43 grants with a stated purpose were described as general or operating support. Recurring purposes include "Environmental Preservation" (14 grants), "Wellness" (10 grants) and "Community" (8 grants).

Is The Fat Tire Foundation open to new grantees?

21%

first-time grantees, 2024

In 2024, 9 of 43 grantees (21%) were first-time recipients. First grants averaged $44K; repeat grants $80K. How we count

Medians: $25K first-time, $20K repeat.

  • 79% of 2024 grantees were also funded in 2023. Method
  • Giving grew 130% from 2021 to 2024. Method
  • In 2024 it paid out 77% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized IRS Form 990-PF grant lists (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Next steps with The Fat Tire Foundation

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$86.6M

+62.2% YoY

Annual Giving

$3.1M

+76.0% YoY

Grant Count

43

-20.4% YoY

Avg Grant Size

$73K

+121.0% YoY

Under IRS private-foundation payout rules, The Fat Tire Foundation reported a distributable amount of $4.1M for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The Fat Tire Foundation's mission encompasses four primary areas:

  • Cure Type 1 Diabetes (T1D)
  • Eliminate inequality in the Bay Area
  • Provide increased opportunity through education
  • Protect the natural world

Grantmaking

The foundation is an active grantmaker that does not accept unsolicited grant proposals. Interested organizations should contact the foundation directly at fattirefoundation@gmail.com.

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Geographic Focus

Where this funder awards grants

The foundation maintains a primary focus on the Bay Area while also making grants nationally and internationally across its mission areas.

Grant Distribution by State

15states

Share of all 43 itemized 2024 grant dollars.

Cities

San FranciscoNew YorkOaklandWashingtonPortola ValleyBerkeleySan JoseStanfordWestboroughArlingtonMilpitasSeattleBoulderBozemanColorado SpringsBrooklynCupertinoEast Palo AltoHonoluluKansas City

Financial History

Multi-year comparison from IRS filings

As of December 2024:

  • Total Assets: $86.6 million
  • Total Revenue: $32.6 million
  • Total Expenses: $4.29 million
  • Total Liabilities: $8,390

As of December 2023:

  • Total Assets: $53.4 million
  • Total Revenue: $13.9 million
  • Total Expenses: $2.6 million
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$9M$18M$27M$36M20202021202220232024
Metric202420232022
Total Assets$86,600,524$53,382,035$47,733,421
Revenue$32,574,341$13,924,116$453,658
Expenses$4,289,575$2,572,689$2,339,682
Qualifying Distributions$3,161,857$1,823,271$1,793,518
Net Investment Income$25,847,499$1,511,498$650,079
Distributable Amount$4,094,422$2,762,456$2,802,246

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Giving Over Time

Total grant dollars and number of grants per year

$0$782K$2M$2M$3M27 grants202026 grants202140 grants202254 grants202343 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

University of California San Francisco: $1.0MUniversity of California SanFrancisco$1.0MJDRF T1D Fund LLC: $250KJDRF T1D Fund LLC$250KAbortion Care Network: $200KAbortion Care Network$200KAdventure Scientists: $200KAdventure Scientists$200KBoys and Girls Clubs of the Peninsula: $200KBoys and Girls Clubs of thePeninsula$200KDoctors Without Borders: $200KDoctors Without Borders$200KCenter for Disaster Philanthropy: $100KCenter for DisasterPhilanthropy$100KSecond Harvest Food Bank: $100KSecond Harvest Food Bank$100KAmerican Civil Liberties Union: $100KAmerican Civil Liberties Union$100KConservation International: $100KConservation International$100K

Grant Size Distribution

190 grants across all recorded years

144<$50K15$50–100K21$100–250K7$250–500K2$500K–1M1$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include University of California San Francisco ($1,000,000), JDRF T1D Fund LLC ($250,000), Abortion Care Network ($200,000).

RecipientPurposeAmount
UNIVERSITY OF CALIFORNIA SAN FRANCISCO San Francisco, CAEDUCATIONAL RESOURCES$1,000,000
JDRF T1D FUND LLC New York, NYWELLNESS$250,000
ABORTION CARE NETWORK Washington, DCWELLNESS$200,000
ADVENTURE SCIENTISTS Bozeman, MTENVIRONMENTAL PRESERVATION$200,000
BOYS AND GIRLS CLUBS OF THE PENINSULA Menlo Park, CACOMMUNITY$200,000
DOCTORS WITHOUT BORDERS New York, NYWELLNESS$200,000
CENTER FOR DISASTER PHILANTHROPY Washington, DCENVIRONMENTAL PRESERVATION$100,000
SECOND HARVEST FOOD BANK San Jose, CAPOVERTY RELIEF$100,000
AMERICAN CIVIL LIBERTIES UNION New York, NYCOMMUNITY$100,000
CONSERVATION INTERNATIONAL Arlington, VACOMMUNITY$100,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

No officer or director reported compensation in the available filings.

From 2024 IRS filing

NameTitleHoursCompensation
Jeff JordanDirector0.1—
Karen Shishino JordanCEO0.5—
Alison JordanSecretary0.25—
Connor JordanTreasurer0.25—

Contact Information

Address: PO Box 1707, Los Altos, CA 94023-1707

Phone: 650-845-8100

Email: fattirefoundation@gmail.com

EIN: 20-8066058

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does The Fat Tire Foundation fund?

The Fat Tire Foundation's mission encompasses four primary areas: • Cure Type 1 Diabetes (T1D) • Eliminate inequality in the Bay Area • Provide increased opportunity through education • Protect the natural world

How do I apply for a grant from The Fat Tire Foundation?

The foundation is an active grantmaker that does not accept unsolicited grant proposals. Interested organizations should contact the foundation directly at fattirefoundation@gmail.com. In 2023, the foundation made 38 grants totaling approximately $1.06 million. Notable recent grants include: • Japanese American National Museum: $200,000 (Educational Resources) • Stanford University / The Board of Trustees of the Leland Stanford Junior University: $166,667 (Educational Resources) • Adventurers S…

Where does The Fat Tire Foundation make grants?

The foundation maintains a primary focus on the Bay Area while also making grants nationally and internationally across its mission areas.

What size grants does The Fat Tire Foundation award?

In 2024, The Fat Tire Foundation awarded 43 grants totaling $3.1M — an average of about $73K per grant, based on its IRS Form 990 filings.

How much is The Fat Tire Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, The Fat Tire Foundation reported a distributable amount of $4.1M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is The Fat Tire Foundation's EIN?

The Fat Tire Foundation's EIN (Employer Identification Number) is 20-8066058. IRS Form 990 filing data is available on this page for 2020–2024.

Does The Fat Tire Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

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Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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