Maine · Nonprofit
MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC
MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC (Maine) receives grants from 2 organizations whose IRS filings report $96,347 to it, the largest being THE CHAMPLIN FOUNDATION ($75,000). 0 of them have funded it in more than one year.
- Revenue FY2025
- $73k
- Funders on record
- 2
- Grants received
- $96k
- Net assets
- $762k
The organization over time
Each line starts at 100 in 2020, so what you read is the shape rather than the size: 150 means half as much again as 2020, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2020 to 2021, from $667k to $769k (+15%).
Who funds it, year by year
Grant support over time, funder by funder — shade shows the grant size each year.
From the IRS filings of MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC leans on a few funders — its largest provides 78% of grant income and the top three 100%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Where its funders are
MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC draws 100% of its grant income from funders outside Maine, across 2 states in all.
Funder states come from each funder’s own filing. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC has grown faster than three-quarters of the 17,277 education nonprofits its size.
this organization peer median middle 50% of peers· 17,277 education nonprofits under $100k, FY2025
Organizations like MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In Maine
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Screen this organization
A dated, signed PDF of the compliance screen for MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC?
- MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC (Maine) receives grants from 2 organizations whose IRS filings report $96,347 to it, the largest being THE CHAMPLIN FOUNDATION ($75,000). 0 of them have funded it in more than one year.
- How many funders does MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC have?
- IRS filings report 2 organizations giving $96,347 in grants to MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC.
- Who is the largest funder of MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC?
- THE CHAMPLIN FOUNDATION is the largest funder on record, with $75,000 in grants. The full list of funders is on this page.
- How can an organization like MARGARET & DONALD MATHESON SCHOOL PORTLAND TRUST CO LLC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Maine. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2020–2025), and the filings of 2 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing