Hadley & Marion Stuart Foundation
The Hadley & Marion Stuart Foundation is a private family foundation established in 1988 and based in Longmont, Colorado. The foundation was established by the heirs of the founder of Carnation Milk Products Co. (later the Carnation Company). It operates as a private non-operating foundation with a trust structure.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$111.8M
-1.1% YoY
Annual Giving
$5.9M
+3.9% YoY
Grant Count
21
+0.0% YoY
Avg Grant Size
$279K
+3.9% YoY
Mission & Focus Areas
The foundation's giving priorities focus primarily on:
- Education
- Animal Welfare (particularly veterinary cancer research)
- Philanthropy, Voluntarism & Grantmaking
- Human Services
The foundation is notably known for its extraordinary commitment to veterinary cancer research, particularly at Colorado State University's Flint Animal Cancer Center, where the Stuart family has contributed approximately $22 million since 1983.
Grantmaking
Grant Range
** $10,000 to $1,400,000
How to Apply
** The foundation operates without a public application process. It makes grants only to preselected charitable organizations through trustee discretion. No public contact information, website, phone number, or email address is maintained for grant inquiries.
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Geographic Focus
Where this funder awards grants
The foundation has a primary focus on Colorado, North Carolina, and California, with some national reach.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
Total Assets: $111.8 million to $114.2 million (as of 2023–2024)
Annual Giving: $5.6 million to $5.86 million
Total Revenue: $3.3 million to $5.01 million (varies by year)
Tax-Exempt Status: 501(c)(3) organization; tax-exempt since March 1988
EIN: 94-6607854
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $111,783,246 | $113,069,124 | $114,206,046 |
| Revenue | $5,068,756 | $5,010,695 | $3,345,235 |
| Expenses | $6,356,655 | $6,138,690 | $6,663,004 |
| Qualifying Distributions | $5,860,000 | $5,640,000 | $6,120,000 |
| Net Investment Income | $4,637,919 | $4,576,651 | $3,330,844 |
| Distributable Amount | $5,600,528 | $6,073,124 | $5,893,488 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
111 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
- Brett Fullerton Stuart – Trustee
- Nan M Stuart – Trustee
The foundation is led by siblings Nan and Brett Stuart from Longmont, Colorado.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| NAN M STUART | TRUSTEE | 7.5 | — |
Contact Information
Address: 11732 Crystal View Lane, Longmont, CO 80504-8453
Phone: 303-652-2869
Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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