Stephenson Foundation

PALO ALTO, CA EIN: 94-3320092

Stephenson Foundation is a private grantmaking foundation based in Palo Alto, California. Established in 1999, it operates as a 501(c)(3) organization and is classified as a private grantmaking foundation under the National Taxonomy of Exempt Entities (NTEE).

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$21.4M

+2.3% YoY

Annual Giving

$1.2M

+1.7% YoY

Grant Count

30

+0.0% YoY

Avg Grant Size

$42K

+1.7% YoY

Under IRS private-foundation payout rules, Stephenson Foundation reported a distributable amount of $1.4M 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 foundation's giving priorities focus primarily on:

  • Education
  • Philanthropy, Voluntarism & Grantmaking
  • Human Services
  • Science and innovation
  • Environmental causes

The foundation gives primarily for education and the environment.

Grantmaking

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

18states
+10 more states

Cities

ArlingtonAtlantaBaltimoreBerkeleyBerkleyBismarckBostonCambridgeDallasEl CerritoErieJosephLos AngelesMemphisMenlo ParkMerrifieldMill ValleyNew YorkOaklandOwasso

Financial History

Multi-year comparison from IRS filings

Assets: $20.9 million to $21.4 million

  • 2023: $20.9 million in total assets
  • Most recent filing: $21,371,271 in total assets

Liabilities: $0 (2023)

Revenue: $1.47 million (2023)

Tax Status: Tax-exempt since July 1999 (EIN: 94-3320092)

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$839K$2M$3M$3M20202021202220232024
Metric202420232022
Total Assets$21,371,271$20,890,359$20,820,653
Revenue$1,901,258$1,474,279$471,548
Expenses$1,424,822$1,392,290$1,730,998
Qualifying Distributions$1,248,103$1,226,700$1,562,500
Net Investment Income$1,744,279$1,326,499$435,489
Distributable Amount$1,410,855$1,282,599$1,330,914

Giving Over Time

Total grant dollars and number of grants per year

$0$391K$781K$1M$2M34 grants202039 grants202134 grants202230 grants202330 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

HOOVER INSTITUTION$850KFOLDS OF HONOR$100KAMERICAN ENTERPRISE INST…$50KFOLDS OF HONOR$50KCAL MATTERS$25KCURE ALZHEIMER'S FUND$25KHARVARD UNIVERSITY$25KLELAND STANFORD JUNIOR U…$25KKIPP BAY AREA SCHOOLS$15KANTI CORRUPTION FOUNDATION$10K

Grant Size Distribution

167 grants across all recorded years

135<$50K14$50–100K11$100–250K4$250–500K3$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Hoover Institution ($850,000), Folds of Honor ($100,000), American Enterprise Institute ($50,000).

RecipientPurposeAmount
ALL STARS HELPING KIDS SANTA CLARA, CATO DISRUPT THE CYCLE OF POVERTY AND ENCOURAGE INNOVATION BY SEED FUNDING START-UP NONPROFITS IN THE BAY AREA.$2,000
AMERICAN ENTERPRISE INSTITUTE WASHINGTON, DCTO SUPPORT RESEARCH AND EDUCATION ON ISSUES OF GOVERNMENT, POLITICS, ECONOMICS AND SOCIAL WELFARE$50,000
AMERICAN FEDERATION OF POLICE AND CONCERNED CITIZENS TITUSVILLE, FLTO SUPPORT FAMILES OF OFFICERS KILLED IN THE LINE OF DUTY.$750
AMERICAN HEART ASSOCIATION DALLAS, TXTO HELP SUPPORT IN FIGHTING HEART DISEASE AND STROKE.$250
ANTI CORRUPTION FOUNDATION NEW YORK, NYTO MAINTAIN AND BUILD UPON A STANDARD OF EXCELLENCE IN INVETIGATIONS EXPOSING TO CORRUPTION AND CRIMES.$10,000
ATHERTON POLICE OFFICERS ASSOCIATION REDWOOD CITY, CATO SUPPORT THE ATHERTON POLICE DEPARTMENT$100
ATHERTON POLICE OFFICERS ASSOCIATION REDWOOD CITY, CATO SUPPORT THE ATHERTON POLICE DEPARTMENT$500
BUSINESS EXECUTIVES FOR NATIONAL SOCIETY (BENS) WASHINGTON, DCTO SUPPORT GOVERNMENT LEADERS IMPLEMENT SOLUTIONS TO THE MOST CHALLENGING PROBLEMS IN NATIONAL SECURITY.$253
CAL MATTERS OAKLAND, CATO PREPARE STUDENTS IN UNDERSERVED COMMUNITIES FOR SUCCESS IN COLLEGE AND IN LIFE$25,000
COUNCIL OF AMERICAN AMBASSADORS WASHINGTON, DCTO SUPPORT THE ROLE OF THE AMERICAN AMBASSADOR AND THE COUNTRY TEAM IN CARRYING OUT U.S. FOREIGN POLICY AT EMBASSIES AROUND THE WORLD.$1,000

Leadership & Key People

Leadership team and compensation from IRS filings

Frank Rimerman is listed as a contact associated with the foundation's address.

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
BARBARA STEPHENSONPRESIDENT1
THOMAS F STEPHENSONVICE PRESIDENT1

Recent News & Activity

Recent developments and announcements

The Stephenson Foundation has been associated with significant philanthropic initiatives:

**Stephenson Global Prize:** A second annual $1 million prize is now open for nominations, indicating an ongoing commitment to recognizing innovation and achievement.

Second Annual $1 Million Stephenson Global Prize Now Open for Nominations

**Pancreatic Cancer Research:** The foundation launched the Stephenson Prize for Innovation in Pancreatic Cancer Research, supported by a $150 million gift to City of Hope.

Second Annual $1 Million Stephenson Global Prize Now Open for Nominations

**Exploration Programs:** The foundation supports the Stephenson Explorers Advancement Program, providing grants for exploration initiatives.

The Stephenson Exploration Advancement Program

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does Stephenson Foundation fund?

The foundation's giving priorities focus primarily on: • Education • Philanthropy, Voluntarism & Grantmaking • Human Services • Science and innovation • Environmental causes The foundation gives primarily for education and the environment.

How do I apply for a grant from Stephenson Foundation?

**Grant Amounts:** Typical awards range from $100,000 to $850,000. **Annual Giving:** The foundation distributed approximately $1.2 to $1.4 million annually in recent years: • 2023: $1.39 million in expenses • Total giving reported at $1,248,103 (based on most recent IRS 990 filing) **Geographic Focus:** The foundation primarily funds organizations in California, Massachusetts, and the District of Columbia.

What size grants does Stephenson Foundation award?

In 2024, Stephenson Foundation awarded 30 grants totaling $1.2M — an average of about $42K per grant, based on its IRS Form 990 filings.

How much is Stephenson Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Stephenson Foundation reported a distributable amount of $1.4M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Stephenson Foundation's EIN?

Stephenson Foundation's EIN (Employer Identification Number) is 94-3320092. IRS Form 990 filing data is available on this page for 2020–2024.

Explore Open Grants

Browse active grant opportunities in Stephenson Foundation's focus areas in our free grants database

Related Funders

Similar funders by location and focus area

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

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