The Ronald and Maxine Linde Foundation

EIN 363635349

Litchfield Park, AZ 85340 |(602) 954-5253

Total Given 2022–2025
$18.3M
18 grants · $4.6M avg/year
based on 4 yrs of IRS 990-PF records on file
$1M+/yr
mid-tier
capacity
$270K
typical big bets · $12K–$1.7M
grant size
33%
supporter · 2/6 multi-year
repeat
$36.5M
Assets (2025)
6
Distinct Recipients

Focus Areas

Education Science & Research

Application Information

Accepts Unsolicited Proposals No — Preselected Only
Phone (602) 954-5253

Financial Trends

Giving Over Time

Total Assets Over Time

View financial data as table
YearTotal GivingTotal AssetsRevenueGrants
2022 $3.5M $30.7M $3.2M 2
2023 $2.3M $32.2M $2.9M 3
2024 $1.1M $34.6M $4.9M 4
2025 $11.5M $36.5M $4.4M 9

Grant Size Distribution

Based on 18 grants on record

Minimum
$5K
25th Pctl
$12K
Median
$270K
Average
$1.0M
75th Pctl
$1.7M
Maximum
$5.8M

Geographic Distribution

Officers & Directors

Grants Awarded (18 total)

Purpose
California Institute of Technology (Tax Id # 95-1643307) Pasadena, CA $5,803,900 CENTER FOR SCIENCE,SOCIETY, AND POLICY (LCSSP) ENDOWMENT 2025
California Institute of Technology Pasadena, CA $2,285,000 ENDOWMENT 2022
California Institute of Technology (Tax Id # 95-1643307) Pasadena, CA $2,000,000 CALTECH HERITAGE PROJECT DIRECTORSHIP (CHP) 2025
California Institute of Technology (Tax Id # 95-1643307) Pasadena, CA $2,000,000 LBF BIOPOLICY INITIATIVE 2025
California Institute of Technology Pasadena, CA $1,820,000 ENDOWMENT FUNDS 2023
California Institute of Technology (Tax Id # 95-1643307) Pasadena, CA $1,515,000 CENTER FOR SCIENCE,SOCIETY, AND POLICY (LCSSP) ENDOWMENT 2025
California Institute of Technology Pasadena, CA $1,200,000 ENDOWMENT FUNDS 2022
California Institute of Technology (Tax Id # 95-1643307) Pasadena, CA $1,050,000 ENDOWMENT FUNDS 2024
California Institute of Technology Pasadena, CA $465,000 ENDOWMENT FUNDS 2023
California Institute of Technology (Tax Id # 95-1643307) Pasadena, CA $75,000 SCHOLARSHIP ENDOWMENT (LSE) FUND 2025
California Institute of Technology (Tax Id # 95-1643307) Pasadena, CA $25,000 SCHOLARSHIP ENDOWMENT (LSE) FUND 2025
California Institute of Technology (Tax Id # 95-1643307) Pasadena, CA $20,000 UNRESTRICTED 2024
California Institute of Technology (Tax Id # 95-1643307) Pasadena, CA $20,000 UNRESTRICTED 2025
Academy of Arts and Sciences Cambridge, MA $10,000 UNRESTRICTED 2023
The Ucla Foundation (Tax Id # 95-2250801) Los Angeles, CA $10,000 FOWLER MUSEUM FUND 2024
The American of Academy Arts and Sciences (Tax Id # 04-2103651) Cambridge, MA $10,000 UNRESTRICTED 2024
American Academy of Arts & Sciences (Tax Id# 04-2103651) Cambridge, MA $10,000 UNRESTRICTED 2025
California Institute of Technology (Tax Id # 95-1643307) Pasadena, CA $5,000 DISASTER RELIEF FUND 2025