The Patricia M and Robert H Martinsen
The Patricia M and Robert H Martinsen is a private foundation based in Ridgefield, Connecticut. Its 2025 filing reports grants to charitable organizations for medical, educational, and social purposes, including recipients in Connecticut and New York.
The Patricia M and Robert H Martinsen at a glance
In short: The Patricia M and Robert H Martinsen gave $403K across 21 grants in 2025 (avg $19K), mostly in Connecticut. 14% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $402,900
- +399.3% vs 2024
- Grants made (2025)
- 21
- +10.5% vs 2024
- Average grant
- $19,186
- +351.7% vs 2024
- Median grant
- $100
- Total assets
- $549,112
- -21.9% vs 2024
- New grantees (estimate)
- 14% first-time grantees (3 of 21, 2025; small sample)
- Primary geography
- Connecticut (75% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The Patricia M and Robert H Martinsen
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 761 Ridgebury Road, Ridgefield, CT 06877
Phone: (203) 743-9434
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Patricia M and Robert H Martinsen funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was RVNA ($300K). Together the top 10 received $402K.
Grant Size Distribution
95 grants across all recorded years
The most common grant size was under $50K: 90 grants of 95 (95%).
Geographic Focus
Where this funder awards grants
The 2025 filing reports that 75% of grant dollars went to recipients in Connecticut and 25% to recipients in New York.
Grant Distribution by State
Share of 2025 grant dollars across all 21 itemized grants.
States
Cities
Is The Patricia M and Robert H Martinsen open to new grantees?
14%
first-time grantees, 2025
In 2025, 3 of 21 grantees (14%) were first-time recipients. With only 21 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. First grants averaged $167; repeat grants $22K. How we count
Medians: $200 first-time, $100 repeat.
- 62% of 2025 grantees were also funded in 2024. Method
- Giving grew 4542% from 2022 to 2025. Method
- In 2025 it paid out 878% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $9K (2022) to $403K (2025). In 2025 it made 21 grants totaling $403K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| RVNA Ridgefield, CT | Medical Purposes | $300,000 |
| Colgate University Hamilton, NY | Educational Purposes | $100,000 |
| Leadership Institute New York, NY | Educational Purposes | $400 |
| Alzheimer's Disease Research Clarksburg, MD | Medical Purposes | $300 |
| Claremont Institute Claremont, CA | Social Purposes | $200 |
| Founders Hall Ridgefield, CT | Social Purposes | $200 |
| Judicial Watch Washington, DC | Social Purposes | $200 |
| Lounsbury House Ridgefield, CT | Social Purposes | $200 |
| Massachusetts General Hospital Cardiovascular Research Center Boston, MA | Medical Purposes | $200 |
| American Cancer Society Kennesaw, GA | Medical Purposes | $100 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $549,112 | $235,465 | $407,664 | $402,900 | 21 | $402,900 | $151,774 | $45,874 |
| 2024 | $703,290 | $322,177 | $84,326 | $80,700 | 19 | $80,700 | $159,178 | $40,016 |
| 2023 | $465,439 | $219,995 | $267,428 | $258,800 | 18 | $258,800 | $119,696 | $24,075 |
| 2022 | $512,872 | $244,013 | $12,708 | $8,680 | 23 | $8,680 | $185,631 | $23,386 |
| 2021 | $281,567 | $73,350 | $59,636 | $52,550 | 14 | $52,550 | $8,974 | $19,959 |
| 2020 | $267,853 | $399,859 | $223,260 | $219,760 | 20 | — | $283,253 | $11,356 |
Under IRS private-foundation payout rules, The Patricia M and Robert H Martinsen reported a distributable amount of $46K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants include medical, educational, and social purposes. The grantees’ own descriptions show support for organizations with varied activities: Judicial Watch says it promotes government integrity, transparency, accountability, and fidelity to the rule of law; American Cornerstone Institute says it develops policy and educational materials promoting conservative solutions; Tax Foundation says it seeks to improve lives through tax policies that support economic growth and opportunity; and State Policy Network says it catalyzes state-level freedom movements anchored by independent think tanks. The American Cancer Society says it works through advocacy, research, and patient support for people with cancer and their families.
Grantmaking
In filing year 2025, the foundation reported 21 grants totaling $402,900. Grant amounts ranged from $100 to $300,000, with a median of $100.
The largest reported grants included $300,000 to RVNA in Ridgefield, Connecticut, for medical purposes and $100,000 to Colgate University in Hamilton, New York, for educational purposes. Other reported grants included $400 to Leadership Institute for educational purposes; $200 each to Alzheimer’s Disease Research, Claremont Institute, Founders Hall, Judicial Watch, Lounsbury House, and Massachusetts General Hospital Cardiovascular Research Center; and $100 each to American Cancer Society, American Cornerstone Institute, and American Parkinsons Disease Association.
Leadership & Key People
Leadership team and compensation from IRS filings
Robert H Martinsen is listed as trustee, as required, on the 2025 filing.
The Patricia M and Robert H Martinsen is led by Robert H. Martinsen, Trustee - As Required on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Robert H. Martinsen
Trustee - As Required
On filings since 2020
No compensation reported
Former officers (1)
- Former: Patricia M. Martinsen (2020) — Trustee - As Required
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about The Patricia M and Robert H Martinsen
How much does The Patricia M and Robert H Martinsen give each year?
The Patricia M and Robert H Martinsen gave $403K across 21 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $81K across 19 grants.
What is The Patricia M and Robert H Martinsen's typical grant size?
The Patricia M and Robert H Martinsen's median grant in 2025 was $100, and its average grant was $19,186, across 21 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Patricia M and Robert H Martinsen that year got $167 on average.
Where does The Patricia M and Robert H Martinsen give grants?
The Patricia M and Robert H Martinsen gives mostly in Connecticut: 75% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was New York (25%). The most frequent recipient cities were Washington, DC (5 grants), Ridgefield, CT (3 grants) and Boston, MA (2 grants).
Does The Patricia M and Robert H Martinsen give general operating support?
Not in 2025: none of the 21 grants with a stated purpose on The Patricia M and Robert H Martinsen's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Social Purposes" (12 grants), "Medical Purposes" (6 grants) and "Educational Purposes" (3 grants).
Who are The Patricia M and Robert H Martinsen's largest grantees?
The Patricia M and Robert H Martinsen's largest 2025 grantees include RVNA ($300,000), Colgate University ($100,000) and Leadership Institute ($400), according to its 2025 IRS Form 990-PF. Together they received 99% of its itemized 2025 grant dollars.
How large is The Patricia M and Robert H Martinsen?
The Patricia M and Robert H Martinsen reported $549K in total assets on its 2025 IRS Form 990-PF. It paid out $403K in qualifying distributions that year, against a required minimum of $46K (roughly 5% of its investment assets).
What does The Patricia M and Robert H Martinsen fund?
No mission statement for the foundation is provided. Its 2025 grants include medical, educational, and social purposes. See mission & focus areas ↑
How do I apply for a grant from The Patricia M and Robert H Martinsen?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Patricia M and Robert H Martinsen's EIN?
The Patricia M and Robert H Martinsen's EIN (Employer Identification Number) is 27-6961238. IRS Form 990 filing data is available on this page for 2020–2025.
Does The Patricia M and Robert H Martinsen accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 13, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS June 17, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 14, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 16, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 18, 2026)
Live grants for the work The Patricia M and Robert H Martinsen funds
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Cite this profile
Grantable. (2026). The Patricia M and Robert H Martinsen funder profile. GrantGraph. Retrieved October 24, 2026, from https://grantable.co/funders/the-patricia-m-and-robert-h-martinsen-morg_5065796757b04cd0a525284c280cd3b1
BibTeX
@misc{grantable_276961238_2026,
author = {{Grantable}},
title = {{The Patricia M and Robert H Martinsen funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-patricia-m-and-robert-h-martinsen-morg_5065796757b04cd0a525284c280cd3b1},
note = {Accessed 2026-10-24. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Patricia M and Robert H Martinsen's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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