Gustavus and Louise Pfeiffer Research
Gustavus and Louise Pfeiffer Research is a private foundation focused on Education, based in WILMINGTON, DE. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $19.6M in total assets. In 2024, it awarded 3 grants totaling $651K. Net investment income was $1.7M.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$19.6M
+9.8% YoY
Annual Giving
$651K
Grant Count
3
Avg Grant Size
$217K
Under IRS private-foundation payout rules, Gustavus and Louise Pfeiffer Research reported a distributable amount of $925K for 2024 — the minimum it must pay out in qualifying distributions.
About Gustavus and Louise Pfeiffer Research
Based on IRS filings
Gustavus and Louise Pfeiffer Research is a private foundation focused on Education, based in WILMINGTON, DE. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $19.6M in total assets. In 2024, it awarded 3 grants totaling $651K. Net investment income was $1.7M.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $19,610,601 | $17,863,505 | $15,514,522 |
| Revenue | $1,647,953 | $933,643 | $1,247,468 |
| Expenses | $849,467 | $188,163 | $596,765 |
| Qualifying Distributions | $801,537 | $150,344 | $875,673 |
| Net Investment Income | $1,654,680 | $926,124 | $1,185,859 |
| Distributable Amount | $925,423 | $952,813 | $789,503 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2024
Grant Size Distribution
30 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Huntington Medical Research Institutes ($500,000), Pfeiffer University ($150,000), Old Mill Foundation ($1,000).
| Recipient | Purpose | Amount |
|---|---|---|
| HUNTINGTON MEDICAL RESEARCH INSTITUTES PASADENA, CA | To name the Imaging Core located in Room 332 as the "H. Robert Herold II Imaging Core" | $500,000 |
| OLD MILL FOUNDATION SAN MARINO, CA | General & Unrestricted | $1,000 |
| PFEIFFER UNIVERSITY MISENHEIMER, NC | Milton C. Rose Research Scholars | $150,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Kimberly Herold Alvarez | Dir | 1 | $5,200 |
| Lise P Chapman | Dir, Pres | 1 | $7,200 |
| Patricia R Herold | Dir, AS Sec, AS TREAS | 1 | $7,200 |
| Matthew Mayro Keeney | Dir, VP | 1 | $7,200 |
| Sarah SP McCarthy | Dir, Sec, Treas | 1 | $7,200 |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Gustavus and Louise Pfeiffer Research?
Gustavus and Louise Pfeiffer Research is a private foundation focused on Education, based in WILMINGTON, DE. It holds $19.6M in total assets as of 2024.
How large is Gustavus and Louise Pfeiffer Research?
As of 2024, Gustavus and Louise Pfeiffer Research holds $19.6M in total assets with $1.6M in annual revenue. It awarded 3 grants totaling $651K in 2024.
Where does Gustavus and Louise Pfeiffer Research operate?
Gustavus and Louise Pfeiffer Research has awarded grants in California, Connecticut, Maryland, Maine, Missouri, North Carolina, New Jersey.
What size grants does Gustavus and Louise Pfeiffer Research award?
In 2024, Gustavus and Louise Pfeiffer Research awarded 3 grants totaling $651K — an average of about $217K per grant, based on its IRS Form 990 filings.
How much is Gustavus and Louise Pfeiffer Research required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Gustavus and Louise Pfeiffer Research reported a distributable amount of $925K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Gustavus and Louise Pfeiffer Research's EIN?
Gustavus and Louise Pfeiffer Research's EIN (Employer Identification Number) is 13-6086299. IRS Form 990 filing data is available on this page for 2020–2024.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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