Data / Foundation grants / The Preuss Family Foundation
The Preuss Family Foundation: 8 grants to organizations, $217,151 (tax year ended December 2025)
The Preuss Family Foundation, a private foundation in La Jolla, CA, paid 8 grants to organizations totaling $217,151 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on March 24, 2026. The largest was $50,000 to The Preuss Foundation Inc in La Jolla, CA for to support charitable, educational, and scientific purposes, including to promote brain tumor and medical research..
SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.
- EIN
- 330229180
- Based in
- La Jolla, CA
- Assets
- $176,317
- Grants paid
- $217,151
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed March 24, 2026, IRS object ID 202630839349100128. It reported $217,151 in grants paid; 8 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $50,000 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $29,666 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $25,234 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $25,000 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $23,925 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $23,326 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $20,000 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $20,000 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed May 8, 2025, IRS object ID 202531289349103213. It reported $193,224 in grants paid; 7 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $70,000 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $29,939 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $29,442 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $28,868 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $15,000 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $14,975 | apps.irs.gov | |
| The Preuss Foundation Inc | La Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $5,000 | apps.irs.gov |
States funded
| Recipient state | Granted |
|---|---|
| California | $410,375 |
Updated March 24, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.