The Ronald and Maxine Linde Foundation
The Ronald and Maxine Linde Foundation is a private foundation, based in PARADISE VALLEY, AZ. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $36.5M in total assets. In 2025, it awarded 5 grants totaling $1.6M. Net investment income was $2.2M.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$36.5M
+5.6% YoY
Annual Giving
$1.6M
+44.5% YoY
Grant Count
5
+25.0% YoY
Avg Grant Size
$315K
+15.6% YoY
Under IRS private-foundation payout rules, The Ronald and Maxine Linde Foundation reported a distributable amount of $1.7M for 2025 — the minimum it must pay out in qualifying distributions.
About The Ronald and Maxine Linde Foundation
Based on IRS filings
The Ronald and Maxine Linde Foundation is a private foundation, based in PARADISE VALLEY, AZ. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $36.5M in total assets. In 2025, it awarded 5 grants totaling $1.6M. Net investment income was $2.2M.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $36,548,537 | $34,614,596 | $32,218,912 |
| Revenue | $4,418,238 | $4,879,036 | $2,864,372 |
| Expenses | $2,331,709 | $1,779,066 | $2,125,731 |
| Qualifying Distributions | $1,576,284 | $1,094,625 | $1,835,312 |
| Net Investment Income | $2,155,877 | $3,096,421 | $1,046,470 |
| Distributable Amount | $1,744,294 | $1,575,228 | $1,587,361 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2025
Grant Size Distribution
15 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest include California Institute of Technology (tax Id # 95-1643307) ($1,515,000), California Institute of Technology (tax Id # 95-1643307) ($25,000), California Institute of Technology (tax Id # 95-1643307) ($20,000).
| Recipient | Purpose | Amount |
|---|---|---|
| CALIFORNIA INSTITUTE OF TECHNOLOGY (TAX ID # 95-1643307) PASADENA, CA | CENTER FOR SCIENCE,SOCIETY, AND POLICY (LCSSP) ENDOWMENT | $1,515,000 |
| CALIFORNIA INSTITUTE OF TECHNOLOGY (TAX ID # 95-1643307) PASADENA, CA | SCHOLARSHIP ENDOWMENT (LSE) FUND | $25,000 |
| CALIFORNIA INSTITUTE OF TECHNOLOGY (TAX ID # 95-1643307) PASADENA, CA | UNRESTRICTED | $20,000 |
| CALIFORNIA INSTITUTE OF TECHNOLOGY (TAX ID # 95-1643307) PASADENA, CA | DISASTER RELIEF FUND | $5,000 |
| AMERICAN ACADEMY OF ARTS & SCIENCES (TAX ID# 04-2103651) CAMBRIDGE, MA | UNRESTRICTED | $10,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| RONALD K LINDE | CHAIR/TREASURER/SECRETARY/DIRECTOR | 1.5 | — |
| MAXINE H LINDE | PRESIDENT/DIRECTOR | 0.5 | — |
| JENNINGS J NEWCOM | DIRECTOR | 0.1 | — |
| LESTER G TRAUB | DIRECTOR | 0.1 | — |
Frequently Asked Questions
How large is The Ronald and Maxine Linde Foundation?
As of 2025, The Ronald and Maxine Linde Foundation holds $36.5M in total assets with $4.4M in annual revenue. It awarded 5 grants totaling $1.6M in 2025.
Where does The Ronald and Maxine Linde Foundation operate?
The Ronald and Maxine Linde Foundation has awarded grants in California, Massachusetts.
What size grants does The Ronald and Maxine Linde Foundation award?
In 2025, The Ronald and Maxine Linde Foundation awarded 5 grants totaling $1.6M — an average of about $315K per grant, based on its IRS Form 990 filings.
How much is The Ronald and Maxine Linde Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, The Ronald and Maxine Linde Foundation reported a distributable amount of $1.7M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is The Ronald and Maxine Linde Foundation's EIN?
The Ronald and Maxine Linde Foundation's EIN (Employer Identification Number) is 36-3635349. IRS Form 990 filing data is available on this page for 2021–2025.
Explore Open Grants
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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