funder-graph › Recipients
Who funds Preuss Foundation Inc
EIN 33-0085513 · La Jolla, CA
Preuss Foundation Inc of La Jolla, CA (EIN 33-0085513) was named as a grant recipient by 1 funder in 47 grants paid totaling $1,664,930 in tax years 2020–2025, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$1,664,930
47 grants paid
Funders
1
distinct grantmakers
Tax years
2020–2025
as reported by funders
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| The Preuss Family Foundation 33-0229180 | CA | B | 47 | $1,664,930 | 2025 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Grants
The 47 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $50,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202630839349100128 |
| 2025 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $29,666 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202630839349100128 |
| 2025 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $25,234 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202630839349100128 |
| 2025 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $25,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202630839349100128 |
| 2025 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $23,925 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202630839349100128 |
| 2025 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $23,326 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202630839349100128 |
| 2025 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $20,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202630839349100128 |
| 2025 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $20,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202630839349100128 |
| 2024 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $70,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202531289349103213 |
| 2024 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $29,939 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202531289349103213 |
| 2024 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $29,442 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202531289349103213 |
| 2024 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $28,868 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202531289349103213 |
| 2024 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $15,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202531289349103213 |
| 2024 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $14,975 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202531289349103213 |
| 2024 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $5,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202531289349103213 |
| 2023 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $79,702 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202401249349100240 |
| 2023 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202401249349100240 |
| 2023 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202401249349100240 |
| 2023 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202401249349100240 |
| 2023 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202401249349100240 |
| 2023 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $28,639 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202401249349100240 |
| 2022 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $100,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202311259349100646 |
| 2022 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202311259349100646 |
| 2022 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202311259349100646 |
| 2022 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $29,876 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202311259349100646 |
| 2022 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $26,256 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202311259349100646 |
| 2022 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $25,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202311259349100646 |
| 2022 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $25,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202311259349100646 |
| 2022 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $23,381 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING TO PROMOTE BRAIN TUMOR AND MEDICAL RESEARCH. | 202311259349100646 |
| 2021 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $160,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202241369349103914 |
| 2021 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,163 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202241369349103914 |
| 2021 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,147 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202241369349103914 |
| 2021 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202241369349103914 |
| 2021 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $29,608 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202241369349103914 |
| 2021 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $29,550 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202241369349103914 |
| 2021 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $28,575 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202241369349103914 |
| 2021 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $25,115 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202241369349103914 |
| 2021 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $25,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202241369349103914 |
| 2020 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $130,172 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202143279349100609 |
| 2020 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,169 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202143279349100609 |
| 2020 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202143279349100609 |
| 2020 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202143279349100609 |
| 2020 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202143279349100609 |
| 2020 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $30,000 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202143279349100609 |
| 2020 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $28,728 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202143279349100609 |
| 2020 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $24,499 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202143279349100609 |
| 2020 | The Preuss Family Foundation | The Preuss Foundation Inc La Jolla, CA | B | $14,975 | paid | TO SUPPORT CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, ESPECIALLY TO PROMOTE BRAIN TUMOR RESEARCH. | 202143279349100609 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.