Neil & Anna Rasmussen Foundation
The Neil and Anna Rasmussen Foundation is a private grantmaking foundation established in November 1995 and based in Concord, Massachusetts. Founded by Neil Rasmussen, entrepreneur and co-founder of American Power Conversion Corporation (acquired for $6.1 billion in 2007), and his wife Anna Winter Rasmussen, a longtime advocate for historical preservation in Concord, the foundation reflects their deep commitment to preserving cultural heritage while supporting scientific research and community initiatives.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$51.6M
-3.9% YoY
Annual Giving
$6.2M
+4.7% YoY
Grant Count
48
-11.1% YoY
Avg Grant Size
$130K
+17.8% YoY
Mission & Focus Areas
The foundation gives primarily for:
- Historical preservation
- Natural resource conservation
- Education
- Human services
- Healthcare (including children's hospitals)
The foundation's work reflects the founders' commitment to preserving cultural heritage and supporting cutting-edge scientific research.
Grantmaking
The foundation made 42 grants in 2024.
Grant Range
** $1,000 to $3,012,500
How to Apply
** The foundation does not accept unsolicited applications and only makes grants to preselected organizations. Grantmaking operates through trustee discretion without formal application cycles.
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Geographic Focus
Where this funder awards grants
The foundation primarily supports organizations in Massachusetts, with some support in New York and Washington, D.C.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | Amount | Year |
|---|---|---|
| Total Assets | $51,554,636 | 2024 |
| Total Giving | $6,249,353 | 2024 |
| Total Revenues | $4,514,557 | 2024 |
| Total Expenses | $6,579,234 | 2024 |
| Total Liabilities | $0 | 2024 |
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $51,554,636 | $53,619,313 | $56,411,001 |
| Revenue | $4,514,557 | $3,518,232 | $321,775 |
| Expenses | $6,579,234 | $6,309,920 | $1,692,750 |
| Qualifying Distributions | $6,254,674 | $5,975,353 | $821,866 |
| Net Investment Income | $4,071,621 | $3,060,285 | $627,444 |
| Distributable Amount | $2,906,563 | $2,989,168 | $3,205,235 |
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
225 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
Neil Rasmussen – Trustee and founder; serves as a life member of the MIT Corporation
Anna Winter Rasmussen – Co-founder; serves on the boards of The Walden Woods Project, Louisa May Alcott's Orchard House, and the Concord Museum
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| NEIL AND ANNA RASMUSSEN | TRUSTEES | 0.25 | — |
| SUSAN W WINTER | TRUSTEE | 0.25 | — |
Contact Information
Address: 393 Estabrook Road, Concord, MA 01742-5614
Telephone: 978-287-0422
EIN: 04-6771880
Subject Areas
Focus areas based on grantmaking activity
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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