Mathieson Family Foundation
The Mathieson Family Foundation is a private foundation based in Pittsburgh, Pennsylvania. Its 2025 filing reports 17 grants totaling $69,000 to charitable organizations.
Mathieson Family Foundation at a glance
In short: Mathieson Family Foundation gave $69K across 17 grants in 2025 (avg $4K), top state Montana. 18% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $69,000
- +4.5% vs 2024
- Grants made (2025)
- 17
- -10.5% vs 2024
- Average grant
- $4,059
- +16.8% vs 2024
- Median grant
- $3,000
- Total assets
- $834,883
- -6.0% vs 2024
- New grantees (estimate)
- 18% first-time grantees (3 of 17, 2025; small sample)
- Primary geography
- Montana (26% 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 Mathieson Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 103 Brilliant Avenue Suite A, Pittsburgh, PA 15215
Phone: (412) 963-6160
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Mathieson Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Telluride ($10K). Together the top 10 received $51K.
Grant Size Distribution
96 grants across all recorded years
The most common grant size was under $50K: 96 grants of 96 (100%).
Geographic Focus
Where this funder awards grants
In 2025, the largest shares of grant dollars went to recipients in Montana (26%), Pennsylvania (22%), New Hampshire (15%), Colorado (14%), and Connecticut (11%).
Grant Distribution by State
Share of 2025 grant dollars across all 17 itemized grants.
Cities
Is Mathieson Family Foundation open to new grantees?
18%
first-time grantees, 2025
In 2025, 3 of 17 grantees (18%) were first-time recipients. With only 17 grantees, that is a small sample: one grantee more or less moves the share by about 6 points. First grants averaged $6K; repeat grants $4K. How we count
Medians: $5K first-time, $3K repeat.
- 82% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+11%). Method
- In 2025 it paid out 85% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). 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 2019 to 2025, annual grant giving ranged from $45K (2019) to $69K (2025). In 2025 it made 17 grants totaling $69K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Telluride Telluride, CO | General Support | $10,000 |
| The Savoy Company Endowment Norristown, PA | General Support | $7,150 |
| Stenton Philadelphia, PA | General Support | $5,150 |
| Big Sky Youth Empowerment Bozeman, MT | General Support | $5,000 |
| Deerwood Foundation Cornwall, CT | Forever Squam / Anual Support | $5,000 |
| The Arts Council of Big Sky Big Sky, MT | General Support | $5,000 |
| Radical Grandma Collective Eugene, OR | General Support | $5,000 |
| Sweetwater Spectrum Sonoma, CA | General Support | $3,000 |
| Museum of the Rockies Bozeman, MT | General Support | $3,000 |
| Bucknell University Lewisburg, PA | Aw & Ar Mathieson Scholarship | $2,750 |
Ready to take the next step with Mathieson Family Foundation?
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 | $834,883 | $23,162 | $76,549 | $69,000 | 17 | $69,000 | $23,162 | $81,510 |
| 2024 | $888,270 | $118,299 | $72,761 | $66,000 | 19 | $72,761 | $118,299 | $72,563 |
| 2023 | $839,215 | $74,293 | $77,406 | $68,000 | 20 | $74,393 | $74,293 | $64,424 |
| 2022 | $839,657 | $159,740 | $67,491 | $62,000 | 21 | $67,273 | $159,522 | $66,120 |
| 2021 | $743,492 | $80,676 | $58,801 | $56,000 | 19 | $58,500 | $80,375 | $65,591 |
| 2020 | $720,102 | $34,764 | $54,193 | $46,000 | 21 | — | $34,523 | $49,808 |
| 2019 | $737,238 | $160,528 | $53,096 | $45,000 | 10 | — | $153,579 | $47,095 |
Under IRS private-foundation payout rules, Mathieson Family Foundation reported a distributable amount of $82K 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 support for arts, education, conservation, natural science, and community organizations. For example, Sweetwater Spectrum describes its mission as providing community-based, long-term housing for adults with autism or similar intellectual and developmental disabilities. The Museum of the Rockies says it invites people to discover natural science and cultural history, while the Squam Lakes Association says it works to conserve the natural beauty and resources of the lakes area.
Grantmaking
In 2025, the foundation reported 17 grants totaling $69,000. Grants ranged from $2,500 to $10,000, with a median of $3,000. Larger grants included $10,000 to Telluride; $7,150 to The Savoy Company Endowment; $5,150 to Stenton; and $5,000 each to Big Sky Youth Empowerment, Deerwood Foundation, The Arts Council of Big Sky, and Radical Grandma Collective. The listed purposes were generally support, with exceptions including scholarship support and support for Deerwood Foundation’s “Forever Squam / Anual Support.”
Other 2025 recipients included the Squam Lakes Natural Science Center ($2,650), which says its mission is to advance understanding of ecology by exploring New Hampshire’s natural world; Connecticut College ($2,650), which says it educates students to put the liberal arts into action as citizens of a global society; the Gallatin River Task Force ($2,500), which says it works to protect and restore the Gallatin River and inspire its stewardship; and the Squam Lakes Conservation Society ($2,500), which says it seeks to preserve the character of the Squam watershed by protecting land.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Peter F. Mathieson as director and president; Andrew F. Mathieson as director and vice president; and Margaret M. Conver as director and treasurer/secretary.
Mathieson Family Foundation is led by Peter F. Mathieson, Director & President on every filing since 2019; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Peter F. Mathieson
Director & President
On filings since 2019
1 hr/week
No compensation reported
Andrew F. Mathieson
Director & Vice President
On filings since 2019
1 hr/week
No compensation reported
Margaret M. Conver
Director, Treasurer & Secretary
On filings since 2019
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "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 Mathieson Family Foundation
How much does Mathieson Family Foundation give each year?
Mathieson Family Foundation gave $69K across 17 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $66K across 19 grants.
What is Mathieson Family Foundation's typical grant size?
Mathieson Family Foundation's median grant in 2025 was $3,000, and its average grant was $4,059, across 17 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Mathieson Family Foundation that year got $6K on average.
Where does Mathieson Family Foundation give grants?
Mathieson Family Foundation's top state is Montana, with 26% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Pennsylvania (22%) and New Hampshire (15%). The most frequent recipient cities were Holderness, NH (4 grants), Bozeman, MT (3 grants) and Big Sky, MT (2 grants).
Does Mathieson Family Foundation give general operating support?
Yes: 82% of Mathieson Family Foundation's 2025 grants with a stated purpose (14 of 17) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Mathieson Family Foundation's largest grantees?
Mathieson Family Foundation's largest 2025 grantees include Telluride ($10,000), The Savoy Company Endowment ($7,150) and Stenton ($5,150), according to its 2025 IRS Form 990-PF. Together they received 32% of its itemized 2025 grant dollars.
How large is Mathieson Family Foundation?
Mathieson Family Foundation reported $835K in total assets on its 2025 IRS Form 990-PF. It paid out $69K in qualifying distributions that year, against a required minimum of $82K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does Mathieson Family Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants include support for arts, education, conservation, natural science, and community organizations. See mission & focus areas ↑
How do I apply for a grant from Mathieson Family Foundation?
The foundation states that it 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 Mathieson Family Foundation's EIN?
Mathieson Family Foundation's EIN (Employer Identification Number) is 20-2502389. IRS Form 990 filing data is available on this page for 2019–2025.
Does Mathieson Family Foundation 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
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 28, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS July 15, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in Mathieson Family Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Mathieson Family Foundation funder profile. GrantGraph. Retrieved October 12, 2026, from https://grantable.co/funders/mathieson-family-foundation-morg_0b159ec66cd841bdb36ad5e384358aaf
BibTeX
@misc{grantable_202502389_2026,
author = {{Grantable}},
title = {{Mathieson Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/mathieson-family-foundation-morg_0b159ec66cd841bdb36ad5e384358aaf},
note = {Accessed 2026-10-12. 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 Mathieson Family Foundation'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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