The Ronald and Maxine Linde Foundation
Invitation OnlyParadise Valley, Arizona · EIN 36-3635349 · Private foundation
Grants paid (2024)$1.6M
Organizations funded5
Typical grant$20,000
Total assets$36.5M
Half of its grants to organizations were between $10,000 and $25,000.
From the return
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
100% of grants went outside Arizona.
Grants paid in tax year 2024
| Recipient | Location | 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 |
| American Academy of Arts & Sciences (Tax Id# 04-2103651) | Cambridge, MA | Unrestricted | $10,000 |
| California Institute of Technology (Tax Id # 95-1643307) | Pasadena, CA | Disaster relief fund | $5,000 |
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| California Institute of Technology (Tax Id # 95-1643307) | Pasadena, CA | Center for science,society, and policy (lcssp) endowment | $5,803,900 |
| California Institute of Technology (Tax Id # 95-1643307) | Pasadena, CA | Caltech heritage project directorship (chp) | $2,000,000 |
| California Institute of Technology (Tax Id # 95-1643307) | Pasadena, CA | Lbf biopolicy initiative | $2,000,000 |
| California Institute of Technology (Tax Id # 95-1643307) | Pasadena, CA | Scholarship endowment (lse) fund | $75,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $1,575,000 | 9 |
| 2023 | $1,090,000 | 4 |
Sources
- IRS Form 990-PF, tax year 2024, filed Oct 28, 2025 - IRS e-file batch, object ID 202533019349101408
- IRS Tax Exempt Organization Search for EIN 36-3635349
- Profile updated Nov 6, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.