The Thomas and Stacey Siebel Foundation concentrates its giving on a few large, high-impact recipients: a major unrestricted commitment to the University of Illinois and recurring multi-site grants to Salvation Army branches that fund food, shelter and services for people experiencing homelessness. The foundation also supports its own thematic scholar program (Siebel Scholars), indicating an interest in higher education and leadership/STEM talent development. Grants are national in scope but show particular attention to communities in California, Montana and Illinois.
A $50 million grant to the University of Illinois Foundation for general operations stands out as the clearest signal in The Thomas and Stacey Siebel Foundation’s recent giving. Around that large university commitment, the foundation has also made repeated $1 million grants to Salvation Army affiliates in San Francisco, San Jose, New York City, Helena and Great Falls to provide food and shelter for homeless families and individuals. That pattern points to a funder that combines major institutional support with direct-service funding for people facing homelessness. The foundation’s recent grants also show an interest in leadership and STEM-related talent development through the Siebel Scholars Foundation, which received multiple seven-figure and mid-six-figure operating grants. Other grants extend to education and public-policy institutions such as the Hoover Institution, Eastside College Preparatory School and the American Enterprise Institute for Public Policy. Across the recent list, the foundation appears to favor large awards to a small set of repeat recipients rather than a broad spread of smaller gifts.
Homelessness services are a major theme. The Thomas and Stacey Siebel Foundation gave $1 million to Salvation Army New York City for food and shelter for homeless families and individuals in Manhattan, and it made the same size grant to Salvation Army - San Francisco for the same purpose in the San Francisco area. Education and leadership development also appear in the grant list. Siebel Scholars Foundation received $505,000 in 2023 and $350,000 in 2024, both for general operations, followed by $315,000 in 2025. The foundation also supports youth and academic institutions. US Sailing Foundation received $301,652 to deepen and expand the Siebel Sailors program, while Eastside College Preparatory School received $250,000 in 2023 and $250,000 in 2024 for general operations.
Typical grant size is substantial: the 25th percentile is $20,000, the median is $100,000, and the 75th percentile is $275,826. The recent record is shaped by a few very large awards alongside repeated operating support for a small number of organizations. Several recipients appear across multiple years, including Salvation Army affiliates, Siebel Scholars Foundation, Eastside College Preparatory School and Bob Hoover Academy. The foundation is classified as a regular funder and funds individuals.
$56M
$69.9M
$10.2M
$57.1M
Most grants fall between $20K and $276K, with a median of $100K.
25th Percentile
$20K
Median
$100K
75th Percentile
$276K
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Highly concentrated: one very large unrestricted gift dominates total giving, complemented by repeated multi-location grants to a single operational partner (Salvation Army). Mix of a transformational, one-off institutional gift plus several mid-to-large restricted grants to local service providers; consistent repeat funding to the same local branches.
Notable grantees: University of Illinois Foundation, Salvation Army - San Francisco (representative of multiple Salvation Army branch grants), Salvation Army - New York City, Siebel Scholars Foundation
Grantmaking is nationwide but heavily concentrated in a few places. California accounts for 45% of grants to recipients in the foundation’s HQ state, and the most frequent recipient state overall is DC. Recent awards landed in Chicago, New York, San Francisco, San Jose, Helena, Great Falls, Billings, Washington and Stanford, showing a strong mix of coastal and inland urban recipients. All recent grants in the provided list went to U.S. organizations.
The recent grants list is dominated by universities, homeless-services providers, and education-focused organizations. Large awards went to the University of Illinois Foundation and to multiple Salvation Army affiliates, while other grants supported the Siebel Scholars Foundation, Eastside College Preparatory School, the Hoover Institution and the US Sailing Foundation.
The foundation’s grant-size distribution is relatively large: the 25th percentile is $20,000, the median grant is $100,000, and the 75th percentile is $275,826. The recent list also includes repeated $1 million grants and a $50 million award.
Yes. Several organizations appear in multiple years, including Salvation Army affiliates in San Francisco, San Jose, New York City, Helena, Great Falls and Billings, plus the Siebel Scholars Foundation and Eastside College Preparatory School. The pattern suggests ongoing support rather than one-time gifts only.
Recipients in California account for 45% of grants in the foundation’s HQ state, and Washington, DC is the top state by grant count overall. Recent grants also reached Illinois, New York and Montana, with recipient cities including Chicago, New York, San Francisco, San Jose, Helena, Great Falls and Billings.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| UNIVERSITY OF ILLINOIS FDN | CHICAGO, IL | $50,000,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| SALVATION ARMY NEW YORK CITY | NEW YORK, NY | $1,000,000 | 2025 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN MANHATTAN |
| SALVATION ARMY - SAN FRANCISCO | SAN FRANCISCO, CA | $1,000,000 | 2025 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN FRANCISCO AREA |
| SALVATION ARMY - SAN JOSE | SAN JOSE, CA | $1,000,000 | 2025 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN JOSE AREA |
| SALVATION ARMY - HELENA MT | HELENA, MT | $1,000,000 | 2025 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE HELENA AREA |
| SALVATION ARMY - GREAT FALLS MT | GREAT FALLS, MT | $500,000 | 2025 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE GREAT FALLS AREA |
| BOB HOOVER ACADEMY | SALINAS, CA | $320,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| SIEBEL SCHOLARS FOUNDATION | REDWOOD CITY, CA | $315,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| SALVATION ARMY - BILLINGS MT | BILLINGS, MT | $250,000 | 2025 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE BILLINGS AREA |
| HOOVER INSTITUTION | STANFORD, CA | $200,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| AOPA FOUNDATION | FREDERICK, MD | $132,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| AMERICAN ACADEMY OF ARTS & SCIENCES | CAMBRIDGE, MA | $100,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| AUGUSTA VOLUNTEER FIRE DEPARTMENT | AUGUSTA, MT | $25,000 | 2025 | TO ASSIST IN PROVIDING EMERGENCY SERVICES |
| WOLF CREEK VOLUNTEER FIRE DEPT | WOLF CREEK, MT | $25,000 | 2025 | TO PROTECT THE COMMUNITY |
| WOLF CREEK SCHOOL | WOLF CREEK, MT | $25,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| MONTANA GAME WARDEN'S ASSOCIATION | WOLF CREEK, MT | $15,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| AUGUSTA VOLUNTEER AMBULANCE SERVICES | AUGUSTA, MT | $15,000 | 2025 | TO ASSIST IN PROVIDING EMERGENCY SERVICES |
| CHILDREN'S HEALTH COUNCIL | PALO ALTO, CA | $10,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| RECREATIONAL AVIATION FOUNDATION | BOZEMAN, MT | $10,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| THE WOODSIDE TRAIL CLUB | WOODSIDE, CA | $10,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| CTETA LTD THE HORSE PARK AT WOODSIDE | REDWOOD CITY, CA | $10,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| IAC CHAPTER 38 | OSHKOSH, WI | $1,000 | 2025 | TO SUPPORT GENERAL OPERATIONS |
| SALVATION ARMY NEW YORK CITY | NEW YORK, NY | $1,000,000 | 2024 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN MANHATTAN. |
| SALVATION ARMY - HELENA MT | HELENA, MT | $1,000,000 | 2024 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE HELENA AREA. |
| SALVATION ARMY - SAN FRANCISCO | SAN FRANCISCO, CA | $1,000,000 | 2024 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN FRANCISCO AREA. |
| SALVATION ARMY - SAN JOSE | SAN JOSE, CA | $1,000,000 | 2024 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN JOSE AREA. |
| SALVATION ARMY - GREAT FALLS MT | GREAT FALLS, MT | $500,000 | 2024 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE GREAT FALLS AREA. |
| SIEBEL SCHOLARS FOUNDATION | REDWOOD CITY, CA | $350,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| EASTSIDE COLLEGE PREPARATORY SCHOOL | EAST PALO ALTO, CA | $250,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| AMERICAN ENTERPRISE INSTITUTE FOR PUBLIC POLICY | WASHINGTON, DC | $250,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| SALVATION ARMY - BILLINGS MT | BILLINGS, MT | $250,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| BOB HOOVER ACADEMY | SALINAS, CA | $204,343 | 2024 | TO SUPPORT GENERAL OPERATIONS |
| HOOVER INSTITUTION | STANFORD, CA | $100,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| AMERICAN ACADEMY OF ARTS & SCIENCES | CAMBRIDGE, MA | $100,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| AUGUSTA SCHOOL DISTRICT | AUGUSTA, MT | $50,000 | 2024 | TO SUPPORT GENERAL OPERATIONS |
| RECREATIONAL AVIATION FOUNDATION | BOZEMAN, MT | $50,000 | 2024 | TO SUPPORT GENERAL OPERATIONS |
| WOLF CREEK VOLUNTEER FIRE DEPT | WOLF CREEK, MT | $25,000 | 2024 | TO PROTECT THE COMMUNITY. |
| WOLF CREEK SCHOOL | WOLF CREEK, MT | $25,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| AUGUSTA VOLUNTEER FIRE DEPARTMENT | AUGUSTA, MT | $25,000 | 2024 | TO ASSIST IN PROVIDING EMERGENCY SERVICES. |
| AUGUSTA VOLUNTEER AMBULANCE SERVICES | AUGUSTA, MT | $15,000 | 2024 | TO ASSIST IN PROVIDING EMERGENCY SERVICES. |
| MONTANA GAME WARDEN'S ASSOCIATION | WOLF CREEK, MT | $15,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| TAHOE FUND | TAHOE CITY, CA | $10,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| THE WOODSIDE TRAIL CLUB | WOODSIDE, CA | $10,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| CTETA LTD THE HORSE PARK AT WOODSIDE | REDWOOD CITY, CA | $10,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| WIKIPEDIA | SAN FRANCISCO, CA | $5,000 | 2024 | TO SUPPORT GENERAL OPERATIONS. |
| SALVATION ARMY - SAN JOSE | SAN JOSE, CA | $1,000,000 | 2023 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN JOSE AREA. |
| SALVATION ARMY - HELENA MT | HELENA, MT | $1,000,000 | 2023 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE HELENA AREA. |
| SALVATION ARMY NEW YORK CITY | NEW YORK, NY | $1,000,000 | 2023 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN MANHATTAN. |
| SALVATION ARMY - SAN FRANCISCO | SAN FRANCISCO, CA | $1,000,000 | 2023 | TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN FRANCISCO AREA. |
| SIEBEL SCHOLARS FOUNDATION | REDWOOD CITY, CA | $505,000 | 2023 | TO SUPPORT GENERAL OPERATIONS. |
SALVATION ARMY NEW YORK CITY
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN MANHATTAN
SALVATION ARMY - SAN FRANCISCO
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN FRANCISCO AREA
SALVATION ARMY - SAN JOSE
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN JOSE AREA
SALVATION ARMY - HELENA MT
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE HELENA AREA
SALVATION ARMY - GREAT FALLS MT
TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE GREAT FALLS AREA
BOB HOOVER ACADEMY
$320,000TO SUPPORT GENERAL OPERATIONS
SIEBEL SCHOLARS FOUNDATION
$315,000TO SUPPORT GENERAL OPERATIONS
SALVATION ARMY - BILLINGS MT
$250,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE BILLINGS AREA
HOOVER INSTITUTION
$200,000TO SUPPORT GENERAL OPERATIONS
AUGUSTA VOLUNTEER FIRE DEPARTMENT
$25,000TO ASSIST IN PROVIDING EMERGENCY SERVICES
WOLF CREEK VOLUNTEER FIRE DEPT
$25,000TO PROTECT THE COMMUNITY
WOLF CREEK SCHOOL
$25,000TO SUPPORT GENERAL OPERATIONS
MONTANA GAME WARDEN'S ASSOCIATION
$15,000TO SUPPORT GENERAL OPERATIONS
AUGUSTA VOLUNTEER AMBULANCE SERVICES
$15,000TO ASSIST IN PROVIDING EMERGENCY SERVICES
THE WOODSIDE TRAIL CLUB
$10,000TO SUPPORT GENERAL OPERATIONS
CTETA LTD THE HORSE PARK AT WOODSIDE
$10,000TO SUPPORT GENERAL OPERATIONS
IAC CHAPTER 38
$1,000TO SUPPORT GENERAL OPERATIONS
SALVATION ARMY NEW YORK CITY
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN MANHATTAN.
SALVATION ARMY - HELENA MT
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE HELENA AREA.
SALVATION ARMY - SAN FRANCISCO
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN FRANCISCO AREA.
SALVATION ARMY - SAN JOSE
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN JOSE AREA.
SALVATION ARMY - GREAT FALLS MT
$500,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE GREAT FALLS AREA.
SIEBEL SCHOLARS FOUNDATION
$350,000TO SUPPORT GENERAL OPERATIONS.
TO SUPPORT GENERAL OPERATIONS.
SALVATION ARMY - BILLINGS MT
$250,000TO SUPPORT GENERAL OPERATIONS.
BOB HOOVER ACADEMY
$204,343TO SUPPORT GENERAL OPERATIONS
AUGUSTA SCHOOL DISTRICT
$50,000TO SUPPORT GENERAL OPERATIONS
WOLF CREEK VOLUNTEER FIRE DEPT
$25,000TO PROTECT THE COMMUNITY.
WOLF CREEK SCHOOL
$25,000TO SUPPORT GENERAL OPERATIONS.
AUGUSTA VOLUNTEER FIRE DEPARTMENT
$25,000TO ASSIST IN PROVIDING EMERGENCY SERVICES.
AUGUSTA VOLUNTEER AMBULANCE SERVICES
$15,000TO ASSIST IN PROVIDING EMERGENCY SERVICES.
MONTANA GAME WARDEN'S ASSOCIATION
$15,000TO SUPPORT GENERAL OPERATIONS.
THE WOODSIDE TRAIL CLUB
$10,000TO SUPPORT GENERAL OPERATIONS.
CTETA LTD THE HORSE PARK AT WOODSIDE
$10,000TO SUPPORT GENERAL OPERATIONS.
WIKIPEDIA
$5,000TO SUPPORT GENERAL OPERATIONS.
SALVATION ARMY - SAN JOSE
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN JOSE AREA.
SALVATION ARMY - HELENA MT
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE HELENA AREA.
SALVATION ARMY NEW YORK CITY
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN MANHATTAN.
SALVATION ARMY - SAN FRANCISCO
$1,000,000TO PROVIDE FOOD AND SHELTER TO HOMELESS FAMILIES AND INDIVIDUALS IN THE SAN FRANCISCO AREA.
SIEBEL SCHOLARS FOUNDATION
$505,000TO SUPPORT GENERAL OPERATIONS.