Ishiyama Foundation

Foundation · Grantmaker SAN FRANCISCO, CA EIN: 94-1659373

Ishiyama Foundation is a private foundation based in San Francisco, California. The foundation maintains substantial assets and supports charitable work across multiple sectors.

Key facts about Ishiyama Foundation

EIN: 94-1659373
Latest 990 filing: Form 990-PF, 2024
Annual giving (2024): $4,237,886
Grants made (2024): 65
Average grant: $65,198
Median grant: $10,000
Total assets: $89,798,753
Primary geography: California (36% of itemized 2024 grant dollars)

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

Who Ishiyama Foundation funds

By grant dollars, the top recipient states for Ishiyama Foundation's 65 itemized 2024 grants were California (36%), District of Columbia (29%) and Virginia (13%). The most frequent recipient cities were San Francisco, CA (12 grants), Washington, DC (5 grants), Palo Alto, CA (4 grants) and Seattle, WA (4 grants). None of its 65 grants with a stated purpose were described as general or operating support. Recurring purposes include "Community Outreach" (20 grants), "Conservation" (11 grants) and "Education" (9 grants).

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$89.8M

+4.3% YoY

Annual Giving

$4.2M

-9.8% YoY

Grant Count

+0.0% YoY

Avg Grant Size

$65K

-9.8% YoY

Under IRS private-foundation payout rules, Ishiyama Foundation reported a distributable amount of $4.4M 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 grant-making priorities include:

Education
Philanthropy, Voluntarism & Grantmaking
Human Services

Grantmaking

The foundation distributes grants primarily within its geographic focus areas.

Grant Range

** $1,000–$789,927

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Geographic Focus

Where this funder awards grants

The foundation's grant-making activities are concentrated in:

California
Washington
Idaho

Grant Distribution by State

California $6.9M (32%)

District of Columbia $6.1M (28%)

Virginia $3.9M (18%)

Colorado $1.4M (7%)

Wyoming $928K (4%)

New York $820K (4%)

Idaho $696K (3%)

Washington $390K (2%)

+12 more states

States

California Colorado Connecticut District of Columbia Georgia Hawaii Idaho Massachusetts Maryland Michigan Montana New Mexico New York Ohio Oregon Pennsylvania Rhode Island Virginia Washington Wyoming

Cities

San FranciscoPalo AltoWashingtonSeattleOaklandStanfordNew YorkArlingtonSan JoseMenlo ParkSacramentoAshtonBostonBozemanLos AngelesMilpitasPiedmontBoiseClevelandCody

Financial History

Multi-year comparison from IRS filings

Total Assets: $89,798,753
Total Annual Giving: $4,237,886

(Financial data sourced from most recent IRS Form 990 filing, 2024)

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023	2022
Total Assets	$89,798,753	$86,071,134	$85,157,735
Revenue	$2,809,078	$231,357	$298,659
Expenses	$5,199,680	$5,197,423	$4,900,021
Qualifying Distributions	$4,237,886	$4,699,627	$4,008,000
Net Investment Income	$1,936,902	$658,607	$506,764
Distributable Amount	$4,378,589	$4,093,107	$4,527,879

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Grant Size Distribution

300 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Npr ($789,926), Trout Unlimited ($565,000), Stanford University ($500,000).

Recipient	Purpose	Amount
NPR WASHINGTON, DC	SUPPORTS LOCAL NON PROFIT ORGANIZATIONS	$789,926
TROUT UNLIMITED ARLINGTON, VA	CONSERVATION	$565,000
STANFORD UNIVERSITY STANFORD, CA	EDUCATION	$500,000
HIGH COUNTRY NEWS PAONIA, CO	COMMUNITY OUTREACH	$250,000
NATIONAL PARKS CONSERVATION ASSOCIATION WASHINGTON, DC	CONSERVATION	$250,000
BUFFALO BILL CENTER FOR THE WEST CODY, WY	EDUCATION	$200,000
CALIFORNIA TROUT SAN FRANCISCO, CA	CONSERVATION	$160,000
HENRY'S FORK FOUNDATION ASHTON, ID	CONSERVATION	$151,000
FRESH LIFELINES FOR YOUTH MILPITAS, CA	YOUTH SERVICES	$150,000
THEODORE ROOSEVELT CONSERVATION PARTNERSHIP WASHINGTON, DC	CONSERVATION	$150,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

Name	Title	Hours	Compensation
ELIZABETH RAFFIN	VICE PRESIDENT	2	—
PATRICIA ISHIYAMA	PRESIDENT	2	—
NELSON ISHIYAMA	SECRETARY	2	—
JULIA ISHIYAMA JOINED 1024	DIRECTOR	2	—

Frequently Asked Questions

What does Ishiyama Foundation fund?

The foundation's grant-making priorities include: • Education • Philanthropy, Voluntarism & Grantmaking • Human Services

How do I apply for a grant from Ishiyama Foundation?

**Grant Range:** $1,000–$789,927 **Annual Giving:** $4,237,886 (based on most recent IRS 990 filing) The foundation distributes grants primarily within its geographic focus areas.

Where does Ishiyama Foundation make grants?

The foundation's grant-making activities are concentrated in: • California • Washington • Idaho

What size grants does Ishiyama Foundation award?

In 2024, Ishiyama Foundation awarded 65 grants totaling $4.2M — an average of about $65K per grant, based on its IRS Form 990 filings.

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

Private foundations must generally distribute about 5% of their assets annually. For 2024, Ishiyama Foundation reported a distributable amount of $4.4M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.