Data / Foundation grants / Gustavus and Louise Pfeiffer Research Foundation
Gustavus and Louise Pfeiffer Research Foundation: 3 grants to organizations, $651,000 (tax year ended December 2024)
Gustavus and Louise Pfeiffer Research Foundation, a private foundation in Wilmington, DE, paid 3 grants to organizations totaling $651,000 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on October 23, 2025. The largest was $500,000 to Huntington Medical Research Institutes in Pasadena, CA for to name the imaging core located in room 332 as the "h. robert herold ii imaging core".
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- EIN
- 136086299
- Based in
- Wilmington, DE
- Assets
- $19,610,601
- Grants paid
- $651,000
- Tax year ended
- December 2024
Grants paid, tax year ended December 2024
From the Form 990-PF filed October 23, 2025, IRS object ID 202512969349100901. It reported $651,000 in grants paid; 3 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Huntington Medical Research Institutes | Pasadena, CA | To name the Imaging Core located in Room 332 as the "H. Robert Herold II Imaging Core" | Medical research | $500,000 | apps.irs.gov |
| Pfeiffer University | Misenheimer, NC | Milton C. Rose Research Scholars | Education | $150,000 | apps.irs.gov |
| Old Mill Foundation | San Marino, CA | General & Unrestricted | Arts, culture and humanities | $1,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Medical research | $500,000 |
| Education | $150,000 |
| Arts, culture and humanities | $1,000 |
States funded
| Recipient state | Granted |
|---|---|
| California | $501,000 |
| North Carolina | $150,000 |
Also on SpecStream
- Who funds medical research in California
- Who funds education in North Carolina
- Who funds arts, culture and humanities in California
Updated October 23, 2025. 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.