About Donald Bren Foundation
The Donald Bren Foundation concentrates almost all of its philanthropic dollars on education, with very large, multi-million-dollar gifts to a small number of institutions. The foundation is a major supporter of Caltech (multiple sizable stock-based gifts) and also funds local public K–12 through Irvine Unified School District, indicating a focus on advancing high-level scientific research and strengthening local schools in its home region.
Focus Areas
Research and graduate science/engineering programs at the California Institute of TechnologyPublic K–12 support in Irvine (Irvine Unified School District)Capital or major asset gifts (stock donations and large single-event grants)
Who They Fund
unspecified / not indicated
Giving Approach
Highly concentrated giving: very few, very large grants (including stock transfers) primarily to repeat flagship beneficiaries rather than broad, small-dollar distributions.
Funding Style
unrestricted / general operating supportin-kind securities donation (stock transfer)
About Donald Bren Foundation
The Donald Bren Foundation directs nearly all of its giving toward a small set of California institutions, with the largest recent grants going to the California Institute of Technology in Pasadena. Three consecutive annual awards in 2023, 2024, and 2025 show a sustained relationship with the university, including a 2025 transfer described with 42,033 shares of Apple Inc. That pattern points to a foundation that uses large, mission-supporting gifts to back advanced research and graduate science and engineering work rather than spreading dollars broadly across many organizations. The foundation’s other major recent grant went to Irvine Unified School District, reinforcing a second clear priority: local public K–12 support in the Irvine area. Smaller awards in the recent-grants list extend the picture to nearby Orange County and select California institutions, including Hoag Hospital Foundation-Hoag Innovators, Hope Builders, Tustin Public Schools Foundation, and Hoover Institute at Stanford. Across these gifts, The Donald Bren Foundation appears to favor flexible support for the recipient’s mission, often at a scale that is large relative to the number of organizations funded.
What Donald Bren Foundation Funds
Education is the clearest through line in the recent grants. The Donald Bren Foundation gave $9,044,575 in 2023 to California Institute of Technology for mission support, followed by $8,558,602 in 2024 and another $8,891,871 in 2025, with the latest award documented as a stock transfer. Those grants align with support for research and graduate science and engineering programs. Local public schooling is another visible theme. In 2024, the foundation awarded $2,000,000 to Irvine Unified School District to support the recipient’s mission, and it also gave $25,000 in 2023 to Tustin Public Schools Foundation. The recent list also includes community and institutional support beyond education: Hoag Hospital Foundation-Hoag Innovators received $250,000 in 2025, and Hope Builders received $50,000 in 2023. A separate $50,000 award went to Hoover Institute at Stanford in 2025.
How Donald Bren Foundation Gives
The Donald Bren Foundation’s recent giving is defined by very large grants at the high end of its distribution: p25 is $50,000, median grant size is $1,125,000, and p75 is $8,641,919. The pattern is concentrated rather than diffuse, with a small number of recipients receiving most of the dollars. The recent-grants list shows repeated support to the same institution across multiple years, especially California Institute of Technology, which received gifts in 2023, 2024, and 2025. The foundation’s grants are presented as mission support, including unrestricted or general operating support language, and one 2025 gift was an in-kind securities donation. It does not fund individuals and is not listed as making program-related investments.
Financial Snapshot
Annual Giving
$5.4M
Total Assets
$386.8M
Total Revenue
$55.9M
Total Expenses
$6.3M
Typical Grant Size
Most grants fall between $50K and $8.6M, with a median of $1.1M.
25th Percentile
$50K
Median
$1.1M
75th Percentile
$8.6M
Geographic Reach
Local1 state funded
Intensidad de financiamiento
BajaAlta
Sede
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